test read/write RAM

tesst mem_pin
test test_pin & led
2023-08-07 10:46:00 +08:00 · 2023-08-07 10:44:44 +08:00 · 2023-08-07 10:43:46 +08:00 · 2023-08-03 22:34:00 +08:00 · 2023-08-03 21:27:03 +08:00 · 2023-08-03 21:26:53 +08:00
18 changed files with 1309 additions and 544 deletions
@@ -152,11 +152,11 @@ extern "C"
 // Priority for dispatching the BLE events to the Scanning Module.
 #define NRF_BLE_SCAN_OBSERVER_PRIO                   1
 // Scanning interval. Determines the scan interval in units of 0.625 millisecond.
-#define NRF_BLE_SCAN_SCAN_INTERVAL                   160
+#define NRF_BLE_SCAN_SCAN_INTERVAL                   600
 // Duration of a scanning session in units of 10 ms. Range: 0x0001 - 0xFFFF (10 ms to 10.9225 ms). If set to 0x0000, the scanning continues until it is explicitly disabled.
 #define NRF_BLE_SCAN_SCAN_DURATION                   0
 // Scanning window. Determines the scanning window in units of 0.625 millisecond.
-#define NRF_BLE_SCAN_SCAN_WINDOW                     80
+#define NRF_BLE_SCAN_SCAN_WINDOW                     400
 // Determines the supervision time-out in units of 10 millisecond.
 #define NRF_BLE_SCAN_SUPERVISION_TIMEOUT             4000
 // Determines minimum connection interval in milliseconds.
@@ -168,9 +168,9 @@ extern "C"
 // Enabling filters for the Scanning Module.
 #define NRF_BLE_SCAN_FILTER_ENABLE                   1
 // Number of filters for UUIDs.
-#define NRF_BLE_SCAN_UUID_CNT                        0
+#define NRF_BLE_SCAN_UUID_CNT                        1
 // Number of name filters.
-#define NRF_BLE_SCAN_NAME_CNT                        2
+#define NRF_BLE_SCAN_NAME_CNT                        0
 // Number of short name filters.
 #define NRF_BLE_SCAN_SHORT_NAME_CNT                  0
 // Number of address filters.
@@ -211,6 +211,17 @@ extern "C"
 // Enable GATT MTU exchange initiation
 #define NRF_BLE_GATT_MTU_EXCHANGE_INITIATION_ENABLED 1

+// The maximum number of characteristics present in a service record
+#define BLE_GATT_DB_MAX_CHARS 16
+
+// Custom UUID service & char
+#define BLE_UUID_CUSTOM_SERVICE      0xFFF0
+#define BLE_UUID_REGULAR_DATA_CHAR   0xFFF1
+#define BLE_UUID_LOW_FREQ_DATA_CHAR  0xFFF2
+#define BLE_UUID_AUXILIARY_DATA_CHAR 0xFFF3
+#define BLE_UUID_STATUS_CHAR         0xFFF4
+#define BLE_UUID_EVENT_CHAR          0xFFF5
+
 #define COUNTOF(x)                                   (sizeof(x) / sizeof(x[0]))

 #ifdef __cplusplus
@@ -25,6 +25,7 @@
    <ProjectFile>bmd380_central.vcxproj</ProjectFile>
    <RemoteBuildEnvironment>
      <Records />
+      <EnvironmentSetupFiles />
    </RemoteBuildEnvironment>
    <ParallelJobCount>1</ParallelJobCount>
    <SuppressDirectoryChangeMessages>true</SuppressDirectoryChangeMessages>
@@ -32,12 +32,12 @@
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">
    <GNUConfigurationType>Debug</GNUConfigurationType>
    <ToolchainID>com.visualgdb.arm-eabi</ToolchainID>
-    <ToolchainVersion>10.3.1/10.2.90/r1</ToolchainVersion>
+    <ToolchainVersion>12.2.1/12.2/r2</ToolchainVersion>
    <MCUPropertyListFile>$(ProjectDir)nrf5x.props</MCUPropertyListFile>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">
    <ToolchainID>com.visualgdb.arm-eabi</ToolchainID>
-    <ToolchainVersion>10.3.1/10.2.90/r1</ToolchainVersion>
+    <ToolchainVersion>12.2.1/12.2/r2</ToolchainVersion>
    <MCUPropertyListFile>$(ProjectDir)nrf5x.props</MCUPropertyListFile>
  </PropertyGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">
@@ -55,7 +55,8 @@
      <LibrarySearchDirectories>%(Link.LibrarySearchDirectories)</LibrarySearchDirectories>
      <AdditionalLibraryNames>%(Link.AdditionalLibraryNames)</AdditionalLibraryNames>
      <AdditionalLinkerInputs>%(Link.AdditionalLinkerInputs)</AdditionalLinkerInputs>
-      <AdditionalOptions />
+      <AdditionalOptions>
+      </AdditionalOptions>
    </Link>
  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">
@@ -77,6 +78,10 @@
  </ImportGroup>
  <ItemGroup>
    <ClCompile Include="host_tasks.c" />
+    <ClCompile Include="le_gatt_c.c" />
+    <ClCompile Include="mem_drv.c" />
+    <ClCompile Include="sram_drv.c" />
+    <ClCompile Include="syscalls.c" />
    <ClCompile Include="uart_drv.c" />
    <None Include="nrf5x.props" />
    <ClCompile Include="$(BSP_ROOT)\nRF5x\modules\nrfx\mdk\system_nrf52840.c" />
@@ -379,7 +384,6 @@
    <ClCompile Include="..\bmd380_sdk\components\libraries\queue\nrf_queue.c" />
    <ClCompile Include="le_db_discovery.c" />
    <ClCompile Include="le_dis_c.c" />
-    <ClCompile Include="le_eis_c.c" />
    <ClCompile Include="le_gap.c" />
    <ClCompile Include="le_gatt.c" />
    <ClCompile Include="le_gap_queue.c" />
@@ -1667,15 +1667,24 @@
    <ClCompile Include="le_dis_c.c">
      <Filter>Source files</Filter>
    </ClCompile>
-    <ClCompile Include="le_eis_c.c">
-      <Filter>Source files</Filter>
-    </ClCompile>
    <ClCompile Include="uart_drv.c">
      <Filter>Source files</Filter>
    </ClCompile>
    <ClCompile Include="host_tasks.c">
      <Filter>Source files</Filter>
    </ClCompile>
+    <ClCompile Include="sram_drv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="le_gatt_c.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="mem_drv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="syscalls.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
  </ItemGroup>
  <ItemGroup>
    <ClInclude Include="..\bmd380_sdk\components\ble\ble_services\ble_dis_c\ble_dis_c.h">
@@ -33,13 +33,13 @@ typedef struct
 {
    uint8_t opcode;
    uint8_t len;
-} host_cmd_survive_t;
+} ins_survive_t;

 typedef struct
 {
    uint8_t opcode;
    uint8_t len;
-} host_cmd_scan_t;
+} ins_scan_t;

 typedef struct
 {
@@ -47,28 +47,28 @@ typedef struct
    uint8_t len;
    uint8_t addr_type;
    uint8_t addr[6];
-} host_cmd_connect_t;
+} ins_connect_t;

 typedef struct
 {
    uint8_t opcode;
    uint8_t len;
-} host_cmd_disconnect_t;
+} ins_disconnect_t;

 typedef struct
 {
    uint8_t opcode;
    uint8_t len;
    uint8_t handle;
-    uint8_t write_date[0];
-} host_cmd_write_char_t;
+    uint8_t write_data[255];
+} ins_write_char_t;

 typedef struct
 {
    uint8_t opcode;
    uint8_t len;
    uint8_t handle;
-} host_cmd_read_char_t;
+} ins_read_char_t;

 typedef union
 {
@@ -81,80 +81,127 @@ typedef union
            uint8_t payload[255];
        };
    } raw;
+    ins_survive_t survive;
+    ins_scan_t scan;
+    ins_connect_t connect;
+    ins_disconnect_t disconnect;
+    ins_write_char_t write_char;
+    ins_read_char_t read_char;
+} host_ins_t;

-    host_cmd_survive_t survive;
-    host_cmd_scan_t scan;
-    host_cmd_connect_t connect;
-    host_cmd_disconnect_t disconnect;
-    host_cmd_write_char_t write_char;
-    host_cmd_read_char_t read_char;
+#define EVT_ALL                   0xFFFF
+#define EVT_MEM_RETURN_DATA       0x0010
+#define EVT_MEM_NOTIFY_HANDLE     0x0040
+#define EVT_MEM_UART_ROUTINE      0x0080
+#define EVT_MEM_INS_SCAN          0x0100
+#define EVT_MEM_INS_CONNECT       0x0200
+#define EVT_MEM_INS_WRITE         0x0400
+#define EVT_MEM_INS_READ          0x0800
+#define EVT_MEM_INS_DISCONNECT    0x1000
+#define EVT_MEM_INS_CHECK_SURVIVE 0x2000

-} host_command_t;
+typedef enum
+{
+    INS_IDLE            = 0x00,
+    INS_RESET           = 0x01,
+    INS_KEY             = 0x02,
+    INS_SCAN            = 0x03,
+    INS_SCAN_RESPONSE   = 0x04,
+    INS_CONNECT         = 0x05,
+    INS_WRITE_CHAR      = 0x06,
+    INS_READ_CHAR       = 0x07,
+    INS_DISCONNECT      = 0x08,
+    INS_PREPARE_CONNECT = 0x09,
+    INS_CHECK_SURVIVE   = 0x0A
+} ctrl_instr_t;

-#define CMD_NULL       0x00
-#define CMD_SURVIVE    0x0A
-#define CMD_SCAN       0x03
-#define CMD_CONNECT    0x05
-#define CMD_DISCONNECT 0x08
-#define CMD_WR_CHAR    0x06
-#define CMD_RD_CHAR    0x07
-#define CMD_SUFFIX     0xF1
+#define INST_SUFFIX 0xF1

 static MessageBufferHandle_t host_cmd_msg;

-static void survive_ack(void)
+static void success_ack(void)
 {
    uint8_t ack[] = { 0x04, 0x00, 0x01, 0x03 };
    uart_drv_tx(ack, sizeof(ack));
 }

-void on_survive(host_cmd_survive_t *p_cmd)
+static void on_ins_scan(ins_scan_t *p_ins)
 {
-    survive_ack();
+    extern void le_scan_start(void);
+    le_scan_start();
 }

-static void connect_ack(void)
+bool connect_start = false;
+static void on_ins_connect(ins_connect_t *p_ins)
 {
-    uint8_t ack[] = { 0x04, 0x00, 0x04, 0x2E, 0x50, 0x30, 0x04 };
-    uart_drv_tx(ack, sizeof(ack));
-}
+    ble_gap_addr_t peer_addr;
+    memset(&peer_addr, 0x00, sizeof(peer_addr));
+    peer_addr.addr[0] = p_ins->addr[5];
+    peer_addr.addr[1] = p_ins->addr[4];
+    peer_addr.addr[2] = p_ins->addr[3];
+    peer_addr.addr[3] = p_ins->addr[2];
+    peer_addr.addr[4] = p_ins->addr[1];
+    peer_addr.addr[5] = p_ins->addr[0];

-static void on_connect(host_cmd_connect_t *p_cmd)
-{
    extern void le_scan_stop(void);
-    extern void le_gap_connet(ble_gap_addr_t * p_peer_addr, nrf_ble_scan_t * p_scan);
-    extern const nrf_ble_scan_t *le_scan_obj(void);
+    le_scan_stop();

-    ble_gap_addr_t gap_addr;
-    gap_addr.addr_type    = BLE_GAP_ADDR_TYPE_RANDOM_STATIC;
-    gap_addr.addr_id_peer = 0;
-    for (int i = 0; i < COUNTOF(gap_addr.addr); i++)
-    {
-        gap_addr.addr[i] = p_cmd->addr[COUNTOF(gap_addr.addr) - i - 1];
-    }
-    le_gap_connet((void *)&gap_addr, (void *)le_scan_obj());
+    vTaskDelay(pdMS_TO_TICKS(5));
+
+    extern void le_gap_connet(ble_gap_addr_t * p_peer_addr);
+    le_gap_connet(&peer_addr);

    char rsp_buf[64];
-    sprintf(rsp_buf, "%s(%02X:%02X:%02X:%02X:%02X:%02X)\r\n", __FUNCTION__, gap_addr.addr[5], gap_addr.addr[4], gap_addr.addr[3], gap_addr.addr[2], gap_addr.addr[1], gap_addr.addr[0]);
+    sprintf(rsp_buf, "%s: %02X:%02X:%02X:%02X:%02X:%02X", "Connect to", peer_addr.addr[5], peer_addr.addr[4], peer_addr.addr[3], peer_addr.addr[2], peer_addr.addr[1], peer_addr.addr[0]);
    NRF_LOG_INFO("%s", rsp_buf);
 }

-static void disconnect_ack(void)
+static void on_ins_write_char(ins_write_char_t *p_ins)
 {
-    uint8_t ack[] = { 0x04, 0x00, 0x01, 0x03 };
-    uart_drv_tx(ack, sizeof(ack));
+    NRF_LOG_INFO("write handle: 0x%02X", p_ins->handle);
+    uint16_t write_size = p_ins->len - sizeof(p_ins->handle) - 1;
+    extern ret_code_t le_gatt_c_write_req(uint32_t handle, void *, uint16_t);
+    ret_code_t ret_code = le_gatt_c_write_req(p_ins->handle, p_ins->write_data, write_size);
+    if (ret_code == NRF_SUCCESS)
+    {
+        success_ack();
+    }
 }

-static void on_disconnect(host_cmd_disconnect_t *p_cmd)
+static void on_ins_read_char(ins_read_char_t *p_ins)
+{
+    NRF_LOG_INFO("read handle: 0x%02X", p_ins->handle);
+    extern ret_code_t le_gatt_c_read_char_req(uint32_t handle);
+    ret_code_t ret_code = le_gatt_c_read_char_req(p_ins->handle);
+}
+
+static void on_ins_disconnect(ins_disconnect_t *p_ins)
 {
    extern void le_gap_disconnet(uint16_t);
    le_gap_disconnet(0);
 }

-static void on_scan(host_cmd_scan_t *p_cmd)
+static void on_ins_survive(ins_survive_t *p_ins)
 {
-    extern void le_scan_start(void);
-    le_scan_start();
+    success_ack();
+}
+
+typedef struct
+{
+    uint16_t rsp_code;
+    union
+    {
+        uint8_t len;
+        uint8_t payload[256];
+    };
+} __PACKED read_char_rsp_t;
+
+read_char_rsp_t read_char_rsp;
+void host_read_char_cb(uint8_t *p_data, uint16_t len)
+{
+    read_char_rsp.rsp_code = 0x0004;
+    memcpy(&read_char_rsp.len, p_data, len);
+    uart_drv_tx(&read_char_rsp, offsetof(read_char_rsp_t, payload) + len);
 }

 typedef struct
@@ -176,63 +223,43 @@ void host_scan_filter_match_cb(
    ble_gap_addr_t const *peer_addr,
    int16_t rssi)
 {
-
    typedef struct
    {
        uint16_t hci_packet_event;
        uint8_t len;
        uint8_t addr[6];
-        uint8_t product_module[4];
-        uint32_t hw_ver;
-        uint8_t buid_time[2];
-        uint8_t parameter[3];
-        uint16_t bat_volt;
-        uint8_t dev_name[11];
+        uint8_t manu_spec_data[15];
+        uint8_t dev_name[21];
    } __PACKED host_scan_rsp_t;

-    volatile host_scan_rsp_t host_scan_rsp = {
-        .hci_packet_event = 0x0004,
-        .product_module   = { 'B', 'P', 'H', 'S' },
-        .parameter        = { 'B', 'A', 'T' },
-        .buid_time        = { 0x17, 0x06 },
-    };
+    static host_scan_rsp_t host_scan_rsp;
+
+    memset(&host_scan_rsp, 0x00, sizeof(host_scan_rsp));
+
+    host_scan_rsp.hci_packet_event = 0x0004;
+
+    host_scan_rsp.len = sizeof(host_scan_rsp_t) - offsetof(host_scan_rsp_t, addr);
+
+    memcpy(host_scan_rsp.addr, peer_addr->addr, sizeof(host_scan_rsp.addr));
+
+    memcpy((void *)&host_scan_rsp.manu_spec_data, p_manu_spec_data, sizeof(host_scan_rsp.manu_spec_data));
+
+    memcpy((void *)host_scan_rsp.dev_name, p_device_name, device_name_len);
+
+    uart_drv_tx(&host_scan_rsp, sizeof(host_scan_rsp));

    char peer_addr_str[(2 + 1) * BLE_GAP_ADDR_LEN + 1] = { 0 };
-    if (peer_addr)
-    {
-        for (int i = 0; i < BLE_GAP_ADDR_LEN; i++)
-        {
-            host_scan_rsp.addr[i] = peer_addr->addr[(BLE_GAP_ADDR_LEN - 1) - i];
-        }
-        sprintf(peer_addr_str, "%02X:%02X:%02X:%02X:%02X:%02X", host_scan_rsp.addr[0], host_scan_rsp.addr[1], host_scan_rsp.addr[2], host_scan_rsp.addr[3], host_scan_rsp.addr[4], host_scan_rsp.addr[5]);
-    }
-    if (p_manu_spec_data)
-    {
-        manu_spec_data_t *p = p_manu_spec_data;
-        memcpy((void *)&host_scan_rsp.hw_ver, &p->data.hw_ver[0], sizeof(p->data.hw_ver));
-        uint16_t voltage       = p->data.battery_level * 37;
-        host_scan_rsp.bat_volt = __REVSH(voltage);
-    }
+    sprintf(peer_addr_str, "%02X:%02X:%02X:%02X:%02X:%02X", host_scan_rsp.addr[5], host_scan_rsp.addr[4], host_scan_rsp.addr[3], host_scan_rsp.addr[2], host_scan_rsp.addr[1], host_scan_rsp.addr[0]);

-    host_scan_rsp.len = offsetof(host_scan_rsp_t, dev_name) - offsetof(host_scan_rsp_t, addr);
-    if (p_device_name)
-    {
-        uint32_t len;
-        len = sizeof(host_scan_rsp.dev_name);
-        len = len > device_name_len ? device_name_len : len;
-        memcpy((void *)host_scan_rsp.dev_name, p_device_name, len);
-        host_scan_rsp.len += len;
-    }
-
-    NRF_LOG_INFO("Found: %s [%s, %s, %08X, %d, %ddb]",
+    NRF_LOG_INFO("Found: %s [%s, %ddb]",
                 host_scan_rsp.dev_name,
                 peer_addr_str,
-                 host_scan_rsp.product_module,
-                 __REV(host_scan_rsp.hw_ver),
-                 __REVSH(host_scan_rsp.bat_volt),
                 rssi);
-    uint32_t tx_len = offsetof(host_scan_rsp_t, addr) + host_scan_rsp.len;
-    uart_drv_tx((void *)&host_scan_rsp, offsetof(host_scan_rsp_t, addr) + host_scan_rsp.len);
+}
+
+void host_connected_cb(void)
+{
+    success_ack();
 }

 static void host_cmd_exec_task(void *p_arg)
@@ -240,26 +267,32 @@ static void host_cmd_exec_task(void *p_arg)
    for (;;)
    {
        static uint8_t buf[256] = { 0 };
-        host_command_t *p_cmd   = (void *)buf;
+        host_ins_t *p_ins       = (void *)buf;

-        p_cmd->raw.opcode = CMD_NULL;
-        p_cmd->raw.len    = 0;
+        p_ins->raw.opcode = INS_IDLE;
+        p_ins->raw.len    = 0;

        size_t recv = xMessageBufferReceive(host_cmd_msg, buf, sizeof(buf), portMAX_DELAY);

-        switch (p_cmd->raw.opcode)
+        switch (p_ins->raw.opcode)
        {
-            case CMD_SURVIVE:
-                on_survive(&p_cmd->survive);
+            case INS_SCAN:
+                on_ins_scan(&p_ins->scan);
                break;
-            case CMD_CONNECT:
-                on_connect(&p_cmd->connect);
+            case INS_CONNECT:
+                on_ins_connect(&p_ins->connect);
                break;
-            case CMD_DISCONNECT:
-                on_disconnect(&p_cmd->disconnect);
+            case INS_WRITE_CHAR:
+                on_ins_write_char(&p_ins->write_char);
                break;
-            case CMD_SCAN:
-                on_scan(&p_cmd->scan);
+            case INS_READ_CHAR:
+                on_ins_read_char(&p_ins->read_char);
+                break;
+            case INS_DISCONNECT:
+                on_ins_disconnect(&p_ins->disconnect);
+                break;
+            case INS_CHECK_SURVIVE:
+                on_ins_survive(&p_ins->survive);
                break;
            default:
                break;
@@ -278,29 +311,37 @@ static void host_cmd_recv_task(void *p_arg)

        while (offset < recv)
        {
-            host_command_t *p_cmd = (void *)&buf[offset];
+            host_ins_t *p_ins = (void *)&buf[offset];

            taskENTER_CRITICAL();

-            if (p_cmd->raw.payload[p_cmd->raw.len] == CMD_SUFFIX)
+            if (p_ins->raw.payload[p_ins->raw.len] == INST_SUFFIX)
            {
-                switch (p_cmd->raw.opcode)
+                switch (p_ins->raw.opcode)
                {
-                    case CMD_SURVIVE:
-                        xMessageBufferSend(host_cmd_msg, p_cmd, sizeof(host_cmd_survive_t), pdMS_TO_TICKS(0));
-                        offset += sizeof(host_cmd_survive_t);
+                    case INS_CHECK_SURVIVE:
+                        xMessageBufferSend(host_cmd_msg, p_ins, sizeof(ins_survive_t), pdMS_TO_TICKS(0));
+                        offset += sizeof(ins_survive_t);
                        break;
-                    case CMD_CONNECT:
-                        xMessageBufferSend(host_cmd_msg, p_cmd, sizeof(host_cmd_connect_t), pdMS_TO_TICKS(0));
-                        offset += sizeof(host_cmd_connect_t);
+                    case INS_CONNECT:
+                        xMessageBufferSend(host_cmd_msg, p_ins, sizeof(ins_connect_t), pdMS_TO_TICKS(0));
+                        offset += sizeof(ins_connect_t);
                        break;
-                    case CMD_DISCONNECT:
-                        xMessageBufferSend(host_cmd_msg, p_cmd, sizeof(host_cmd_disconnect_t), pdMS_TO_TICKS(0));
-                        offset += sizeof(host_cmd_disconnect_t);
+                    case INS_DISCONNECT:
+                        xMessageBufferSend(host_cmd_msg, p_ins, sizeof(ins_disconnect_t), pdMS_TO_TICKS(0));
+                        offset += sizeof(ins_disconnect_t);
                        break;
-                    case CMD_SCAN:
-                        xMessageBufferSend(host_cmd_msg, p_cmd, sizeof(host_cmd_scan_t), pdMS_TO_TICKS(0));
-                        offset += sizeof(host_cmd_scan_t);
+                    case INS_SCAN:
+                        xMessageBufferSend(host_cmd_msg, p_ins, sizeof(ins_scan_t), pdMS_TO_TICKS(0));
+                        offset += sizeof(ins_scan_t);
+                        break;
+                    case INS_READ_CHAR:
+                        xMessageBufferSend(host_cmd_msg, p_ins, sizeof(ins_read_char_t), pdMS_TO_TICKS(0));
+                        offset += sizeof(ins_read_char_t);
+                        break;
+                    case INS_WRITE_CHAR:
+                        xMessageBufferSend(host_cmd_msg, p_ins, offsetof(ins_write_char_t, handle) + p_ins->write_char.len, pdMS_TO_TICKS(0));
+                        offset += offsetof(ins_write_char_t, handle) + p_ins->write_char.len;
                        break;
                    default:
                        offset++;
@@ -322,10 +363,9 @@ static void host_tasks_handler(ble_evt_t const *p_ble_evt, void *p_context)
    switch (p_ble_evt->header.evt_id)
    {
        case BLE_GAP_EVT_CONNECTED:
-            connect_ack();
            break;
        case BLE_GAP_EVT_DISCONNECTED:
-            disconnect_ack();
+            success_ack();
            break;
        default:
            break;
@@ -26,8 +26,8 @@ static void db_disc_handler(ble_db_discovery_evt_t *p_evt)
            NRF_LOG_INFO("BLE_DB_DISCOVERY_COMPLETE");
            extern void le_dis_c_on_db_disc_evt(ble_db_discovery_evt_t * p_evt);
            le_dis_c_on_db_disc_evt(p_evt);
-            extern void le_eis_c_on_db_disc_evt(ble_db_discovery_evt_t * p_evt);
-            le_eis_c_on_db_disc_evt(p_evt);
+            extern void le_gatt_c_on_db_disc_evt(ble_db_discovery_evt_t * p_evt);
+            le_gatt_c_on_db_disc_evt(p_evt);
            break;
        case BLE_DB_DISCOVERY_ERROR:
            NRF_LOG_INFO("BLE_DB_DISCOVERY_ERROR");
@@ -37,6 +37,8 @@ static void db_disc_handler(ble_db_discovery_evt_t *p_evt)
            break;
        case BLE_DB_DISCOVERY_AVAILABLE:
            NRF_LOG_INFO("BLE_DB_DISCOVERY_AVAILABLE");
+            extern void host_connected_cb(void);
+            host_connected_cb();
            break;
        default:
            break;
@@ -1,303 +0,0 @@
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-#include "ble_db_discovery.h"
-#include "ble_gattc.h"
-#include "ble_srv_common.h"
-
-#include "nrf_ble_gq.h"
-
-#include "nrf_log.h"
-#include "nrf_log_ctrl.h"
-#include "nrf_log_default_backends.h"
-
-#include "FreeRTOS.h"
-#include "task.h"
-#include "timers.h"
-
-#ifdef __cplusplus
-}
-#endif
-
-/**< Used vendor specific UUID. */
-#define BLE_EIS_BASE_UUID                                                                              \
-    {                                                                                                  \
-        0x4D, 0x3C, 0x56, 0x45, 0x12, 0x8B, 0x44, 0x1D, 0x8D, 0x6F, 0xC5, 0x95, 0x00, 0x00, 0x9B, 0xD8 \
-    }
-#define BLE_UUID_EIS_SERVICE             0x0001
-#define BLE_UUID_EIS_REGULAR_DATA_CHAR   0x0002
-#define BLE_UUID_EIS_LOW_FREQ_DATA_CHAR  0x0003
-#define BLE_UUID_EIS_AUXILIARY_DATA_CHAR 0x0004
-#define BLE_UUID_EIS_STATUS_CHAR         0x0005
-#define BLE_UUID_EIS_EVENT_CHAR          0x0006
-
-struct ble_eis_c_s
-{
-    uint16_t conn_handle;
-    void (*evt_handler)(ble_evt_t const *p_ble_evt, void *p_context);
-    uint16_t regular_data_char_handle;
-    uint16_t low_freq_data_char_handle;
-    uint16_t auxiliary_data_char_handle;
-    uint16_t status_char_handle;
-    uint16_t event_char_handle;
-};
-
-typedef struct ble_eis_c_s ble_eis_c_t;
-
-static ble_eis_c_t m_eis_c;
-
-static void on_disconnected(ble_eis_c_t *p_ble_eis_c, ble_evt_t const *p_ble_evt)
-{
-    p_ble_eis_c->conn_handle                = BLE_CONN_HANDLE_INVALID;
-    p_ble_eis_c->regular_data_char_handle   = BLE_GATT_HANDLE_INVALID;
-    p_ble_eis_c->auxiliary_data_char_handle = BLE_GATT_HANDLE_INVALID;
-    p_ble_eis_c->status_char_handle         = BLE_GATT_HANDLE_INVALID;
-    p_ble_eis_c->event_char_handle          = BLE_GATT_HANDLE_INVALID;
-}
-
-static uint32_t hvx_cnt     = 0;
-static TickType_t hvx_begin = 0;
-static void on_connected(ble_eis_c_t *p_ble_eis_c, ble_evt_t const *p_ble_evt)
-{
-    hvx_cnt   = 0;
-    hvx_begin = 0;
-}
-
-static void on_hvx(ble_eis_c_t *p_ble_eis_c, ble_evt_t const *p_ble_evt)
-{
-    hvx_cnt++;
-    if (hvx_begin == 0)
-    {
-        hvx_begin = xTaskGetTickCount();
-    }
-    else
-    {
-        static char str[64];
-        float kb       = 8 * hvx_cnt * 240 / 1024.0;
-        float timespan = (xTaskGetTickCount() - hvx_begin) / 1000.0;
-        snprintf(str, sizeof(str), "%s(): %.2fkbps", __FUNCTION__, kb / timespan);
-        NRF_LOG_INFO("%s", str);
-    }
-}
-
-static void on_read_rsp(ble_eis_c_t *p_ble_eis_c, ble_evt_t const *p_ble_evt)
-{
-}
-
-ret_code_t le_eis_ccdc_configure(uint16_t conn_handle, uint16_t char_handle, bool notification_enable)
-{
-    if (conn_handle == BLE_CONN_HANDLE_INVALID)
-    {
-        __BKPT(255);
-        return NRF_ERROR_INVALID_PARAM;
-    }
-
-    if (char_handle == BLE_GATT_HANDLE_INVALID)
-    {
-        __BKPT(255);
-        return NRF_ERROR_INVALID_PARAM;
-    }
-
-    NRF_LOG_INFO("Configuring CCCD Handle = 0x%04X, Connection Handle = 0x%04X",
-                 char_handle + 1,
-                 conn_handle);
-
-    nrf_ble_gq_req_t cccd_req;
-    uint16_t cccd_val = notification_enable ? BLE_GATT_HVX_NOTIFICATION : BLE_GATT_HVX_INVALID;
-    uint8_t cccd[BLE_CCCD_VALUE_LEN];
-
-    cccd[0] = LSB_16(cccd_val);
-    cccd[1] = MSB_16(cccd_val);
-
-    memset(&cccd_req, 0, sizeof(nrf_ble_gq_req_t));
-
-    cccd_req.type                        = NRF_BLE_GQ_REQ_GATTC_WRITE;
-    cccd_req.params.gattc_write.handle   = char_handle + 1;
-    cccd_req.params.gattc_write.len      = BLE_CCCD_VALUE_LEN;
-    cccd_req.params.gattc_write.offset   = 0;
-    cccd_req.params.gattc_write.p_value  = cccd;
-    cccd_req.params.gattc_write.write_op = BLE_GATT_OP_WRITE_REQ;
-
-    extern nrf_ble_gq_t *le_gap_queue(void);
-    return nrf_ble_gq_item_add(le_gap_queue(), &cccd_req, conn_handle);
-}
-
-static void le_eis_c_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
-{
-    ble_eis_c_t *p_ble_eis_c = (ble_eis_c_t *)p_context;
-
-    if ((p_ble_eis_c == NULL) || (p_ble_evt == NULL))
-    {
-        return;
-    }
-
-    switch (p_ble_evt->header.evt_id)
-    {
-        case BLE_GAP_EVT_DISCONNECTED:
-            on_disconnected(p_ble_eis_c, p_ble_evt);
-            break;
-        case BLE_GAP_EVT_CONNECTED:
-            on_connected(p_ble_eis_c, p_ble_evt);
-            break;
-        case BLE_GATTC_EVT_HVX:
-            /*
-            Handle Value Notification or Indication event.
-            Confirm indication with @ref sd_ble_gattc_hv_confirm.
-            See @ref ble_gattc_evt_hvx_t. */
-            on_hvx(p_ble_eis_c, p_ble_evt);
-            break;
-
-        case BLE_GATTC_EVT_READ_RSP:
-            /*
-            Read Response event.
-            See @ref ble_gattc_evt_read_rsp_t. */
-            on_read_rsp(p_ble_eis_c, p_ble_evt);
-            break;
-
-        case BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP:
-            /*
-            Primary Service Discovery Response event.
-            See @ref ble_gattc_evt_prim_srvc_disc_rsp_t. */
-            break;
-        case BLE_GATTC_EVT_REL_DISC_RSP:
-            /*
-            Relationship Discovery Response event.
-            See @ref ble_gattc_evt_rel_disc_rsp_t. */
-            __BKPT(255);
-            break;
-        case BLE_GATTC_EVT_CHAR_DISC_RSP:
-            /*
-            Characteristic Discovery Response event.
-            See @ref ble_gattc_evt_char_disc_rsp_t. */
-            break;
-        case BLE_GATTC_EVT_DESC_DISC_RSP:
-            /*
-            Descriptor Discovery Response event.
-            See @ref ble_gattc_evt_desc_disc_rsp_t. */
-            break;
-        case BLE_GATTC_EVT_ATTR_INFO_DISC_RSP:
-            /*
-            Attribute Information Response event.
-            See @ref ble_gattc_evt_attr_info_disc_rsp_t. */
-            __BKPT(255);
-            break;
-        case BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP:
-            /*
-            Read By UUID Response event.
-            See @ref ble_gattc_evt_char_val_by_uuid_read_rsp_t. */
-            __BKPT(255);
-            break;
-        case BLE_GATTC_EVT_CHAR_VALS_READ_RSP:
-            /*
-            Read multiple Response event.
-            See @ref ble_gattc_evt_char_vals_read_rsp_t. */
-            __BKPT(255);
-            break;
-        case BLE_GATTC_EVT_WRITE_RSP:
-            /*
-            Write Response event.
-            See @ref ble_gattc_evt_write_rsp_t. */
-            break;
-        case BLE_GATTC_EVT_EXCHANGE_MTU_RSP:
-            /*
-            Exchange MTU Response event.
-            See @ref ble_gattc_evt_exchange_mtu_rsp_t. */
-            break;
-        case BLE_GATTC_EVT_TIMEOUT:
-            /*
-            Timeout event.
-            See @ref ble_gattc_evt_timeout_t. */
-            __BKPT(255);
-            break;
-        case BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE:
-            /*
-            Write without Response transmission complete. */
-            __BKPT(255);
-            break;
-        default:
-            // No implementation needed.
-            break;
-    }
-}
-
-void le_eis_c_cccd_timer_cb(TimerHandle_t xTimer)
-{
-    xTimerStop(xTimer, pdMS_TO_TICKS(0));
-    le_eis_ccdc_configure(m_eis_c.conn_handle, m_eis_c.regular_data_char_handle, true);
-    le_eis_ccdc_configure(m_eis_c.conn_handle, m_eis_c.low_freq_data_char_handle, true);
-    le_eis_ccdc_configure(m_eis_c.conn_handle, m_eis_c.auxiliary_data_char_handle, true);
-    le_eis_ccdc_configure(m_eis_c.conn_handle, m_eis_c.status_char_handle, true);
-    le_eis_ccdc_configure(m_eis_c.conn_handle, m_eis_c.event_char_handle, true);
-    NRF_LOG_INFO("Enable notifications. ");
-}
-
-static TimerHandle_t le_eis_c_cccd_timer = NULL;
-
-void le_eis_c_init(void)
-{
-    m_eis_c.evt_handler                = le_eis_c_evt_handler;
-    m_eis_c.conn_handle                = BLE_CONN_HANDLE_INVALID;
-    m_eis_c.regular_data_char_handle   = BLE_GATT_HANDLE_INVALID;
-    m_eis_c.auxiliary_data_char_handle = BLE_GATT_HANDLE_INVALID;
-    m_eis_c.status_char_handle         = BLE_GATT_HANDLE_INVALID;
-    m_eis_c.event_char_handle          = BLE_GATT_HANDLE_INVALID;
-    ble_uuid128_t base_uuid            = { .uuid128 = BLE_EIS_BASE_UUID };
-    ret_code_t err_code;
-    uint8_t uuid_type;
-    ble_uuid_t eis_uuid = {
-        .type = BLE_UUID_TYPE_UNKNOWN,
-        .uuid = BLE_UUID_EIS_SERVICE,
-    };
-    err_code = sd_ble_uuid_vs_add(&base_uuid, &eis_uuid.type);
-    ble_db_discovery_evt_register(&eis_uuid);
-
-    NRF_SDH_BLE_OBSERVER(m_eis_c_observer, BLE_DIS_C_BLE_OBSERVER_PRIO, le_eis_c_evt_handler, &m_eis_c);
-
-    le_eis_c_cccd_timer = xTimerCreate("Timer", pdMS_TO_TICKS(1000), pdTRUE, (void *)0, le_eis_c_cccd_timer_cb);
-}
-
-void le_eis_c_on_db_disc_evt(ble_db_discovery_evt_t *p_evt)
-{
-    ble_gatt_db_char_t *p_chars = p_evt->params.discovered_db.charateristics;
-
-    // Check if the service discovery is necessary for the link and if the event handler is present.
-    if (m_eis_c.evt_handler == NULL || m_eis_c.conn_handle == p_evt->conn_handle)
-    {
-        return;
-    }
-
-    // Check if the eis service was discovered.
-    if ((p_evt->evt_type == BLE_DB_DISCOVERY_COMPLETE) &&
-        (p_evt->params.discovered_db.srv_uuid.uuid == BLE_UUID_EIS_SERVICE) &&
-        (p_evt->params.discovered_db.srv_uuid.type == BLE_UUID_TYPE_VENDOR_BEGIN))
-    {
-        m_eis_c.conn_handle = p_evt->conn_handle;
-
-        for (uint32_t i = 0; i < p_evt->params.discovered_db.char_count; i++)
-        {
-            switch (p_chars[i].characteristic.uuid.uuid)
-            {
-                case BLE_UUID_EIS_REGULAR_DATA_CHAR:
-                    m_eis_c.regular_data_char_handle = p_chars[i].characteristic.handle_value;
-                    break;
-                case BLE_UUID_EIS_LOW_FREQ_DATA_CHAR:
-                    m_eis_c.low_freq_data_char_handle = p_chars[i].characteristic.handle_value;
-                    break;
-                case BLE_UUID_EIS_AUXILIARY_DATA_CHAR:
-                    m_eis_c.auxiliary_data_char_handle = p_chars[i].characteristic.handle_value;
-                    break;
-                case BLE_UUID_EIS_STATUS_CHAR:
-                    m_eis_c.status_char_handle = p_chars[i].characteristic.handle_value;
-                    break;
-                case BLE_UUID_EIS_EVENT_CHAR:
-                    m_eis_c.event_char_handle = p_chars[i].characteristic.handle_value;
-                    break;
-                default:
-                    break;
-            }
-        }
-        xTimerStart(le_eis_c_cccd_timer, 0);
-    }
-}
@@ -31,13 +31,23 @@ void le_gap_init(const char *device_name, uint16_t usAppearance)
    // TODO...
 }

-void le_gap_connet(ble_gap_addr_t *p_peer_addr, nrf_ble_scan_t *p_scan)
+void le_gap_connet(ble_gap_addr_t *p_peer_addr)
 {
    // If address is correct, stop scanning and initiate connection with peripheral device.
-
+    const ble_gap_conn_params_t conn_params = {
+        .conn_sup_timeout =
+            (uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_SUPERVISION_TIMEOUT, UNIT_10_MS),
+        .min_conn_interval =
+            (uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_MIN_CONNECTION_INTERVAL, UNIT_1_25_MS),
+        .max_conn_interval =
+            (uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_MAX_CONNECTION_INTERVAL, UNIT_1_25_MS),
+        .slave_latency =
+            (uint16_t)NRF_BLE_SCAN_SLAVE_LATENCY,
+    };
+    extern ble_gap_scan_params_t *le_scan_params(void);
    ret_code_t err_code = sd_ble_gap_connect(p_peer_addr,
-                                             &p_scan->scan_params,
-                                             &p_scan->conn_params,
+                                             le_scan_params(),
+                                             &conn_params,
                                             APP_BLE_CONN_CFG_TAG);
    APP_ERROR_CHECK(err_code);
 }
@@ -0,0 +1,373 @@
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "ble_db_discovery.h"
+#include "ble_gattc.h"
+#include "ble_srv_common.h"
+
+#include "nrf_ble_gq.h"
+
+#include "nrf_log.h"
+#include "nrf_log_ctrl.h"
+#include "nrf_log_default_backends.h"
+
+#include "FreeRTOS.h"
+#include "task.h"
+#include "timers.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+extern nrf_ble_gq_t *le_gap_queue(void);
+
+struct ble_gatt_c_s
+{
+    uint16_t conn_handle;
+    void (*evt_handler)(ble_evt_t const *p_ble_evt, void *p_context);
+    union
+    {
+        uint16_t char_handles[5];
+        struct
+        {
+            uint16_t regular_data_char_handle;
+            uint16_t low_freq_data_char_handle;
+            uint16_t auxiliary_data_char_handle;
+            uint16_t status_char_handle;
+            uint16_t event_char_handle;
+        };
+    };
+};
+
+uint16_t handle_mapping[5];
+
+typedef struct ble_gatt_c_s ble_gatt_c_t;
+
+static ble_gatt_c_t m_gatt_c;
+
+static void on_disconnected(ble_gatt_c_t *p_ble_gatt_c, ble_evt_t const *p_ble_evt)
+{
+    p_ble_gatt_c->conn_handle                = BLE_CONN_HANDLE_INVALID;
+    p_ble_gatt_c->regular_data_char_handle   = BLE_GATT_HANDLE_INVALID;
+    p_ble_gatt_c->auxiliary_data_char_handle = BLE_GATT_HANDLE_INVALID;
+    p_ble_gatt_c->status_char_handle         = BLE_GATT_HANDLE_INVALID;
+    p_ble_gatt_c->event_char_handle          = BLE_GATT_HANDLE_INVALID;
+}
+
+static uint32_t hvx_cnt     = 0;
+static TickType_t hvx_begin = 0;
+static void on_connected(ble_gatt_c_t *p_ble_gatt_c, ble_evt_t const *p_ble_evt)
+{
+    hvx_cnt   = 0;
+    hvx_begin = 0;
+}
+
+static void on_hvx(ble_gatt_c_t *p_ble_gatt_c, ble_evt_t const *p_ble_evt)
+{
+    uint32_t len = p_ble_evt->evt.gattc_evt.params.hvx.len;
+    uint8_t *p   = p_ble_evt->evt.gattc_evt.params.hvx.data;
+    NRF_LOG_INFO("=======================================");
+    NRF_LOG_HEXDUMP_INFO(p, len);
+}
+
+static void on_read_rsp(ble_gatt_c_t *p_le_gatt_c, ble_evt_t const *p_ble_evt)
+{
+    extern void host_read_char_cb(uint8_t * p_data, uint16_t len);
+    uint16_t handle = p_ble_evt->evt.gattc_evt.params.read_rsp.handle;
+
+    for (int i = 0; i < COUNTOF(p_le_gatt_c->char_handles); i++)
+    {
+        if (handle_mapping[i] == handle)
+        {
+            ble_gattc_evt_read_rsp_t const *p_response = &p_ble_evt->evt.gattc_evt.params.read_rsp;
+            host_read_char_cb((uint8_t *)p_response->data, p_response->len);
+            break;
+        }
+    }
+}
+
+ret_code_t le_gatt_ccdc_configure(uint16_t conn_handle, uint16_t char_handle, bool notification_enable)
+{
+    if (conn_handle == BLE_CONN_HANDLE_INVALID)
+    {
+        __BKPT(255);
+        return NRF_ERROR_INVALID_PARAM;
+    }
+
+    if (char_handle == BLE_GATT_HANDLE_INVALID)
+    {
+        __BKPT(255);
+        return NRF_ERROR_INVALID_PARAM;
+    }
+
+    NRF_LOG_INFO("Configuring CCCD Handle = 0x%04X, Connection Handle = 0x%04X",
+                 char_handle + 1,
+                 conn_handle);
+
+    nrf_ble_gq_req_t cccd_req;
+    uint16_t cccd_val = notification_enable ? BLE_GATT_HVX_NOTIFICATION : BLE_GATT_HVX_INVALID;
+    uint8_t cccd[BLE_CCCD_VALUE_LEN];
+
+    cccd[0] = LSB_16(cccd_val);
+    cccd[1] = MSB_16(cccd_val);
+
+    memset(&cccd_req, 0, sizeof(nrf_ble_gq_req_t));
+
+    cccd_req.type                        = NRF_BLE_GQ_REQ_GATTC_WRITE;
+    cccd_req.params.gattc_write.handle   = char_handle + 1;
+    cccd_req.params.gattc_write.len      = BLE_CCCD_VALUE_LEN;
+    cccd_req.params.gattc_write.offset   = 0;
+    cccd_req.params.gattc_write.p_value  = cccd;
+    cccd_req.params.gattc_write.write_op = BLE_GATT_OP_WRITE_REQ;
+
+    return nrf_ble_gq_item_add(le_gap_queue(), &cccd_req, conn_handle);
+}
+
+static void le_gatt_c_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
+{
+    ble_gatt_c_t *p_ble_gatt_c = (ble_gatt_c_t *)p_context;
+
+    if ((p_ble_gatt_c == NULL) || (p_ble_evt == NULL))
+    {
+        return;
+    }
+
+    switch (p_ble_evt->header.evt_id)
+    {
+        case BLE_GAP_EVT_DISCONNECTED:
+            on_disconnected(p_ble_gatt_c, p_ble_evt);
+            break;
+        case BLE_GAP_EVT_CONNECTED:
+            on_connected(p_ble_gatt_c, p_ble_evt);
+            break;
+        case BLE_GATTC_EVT_HVX:
+            /*
+            Handle Value Notification or Indication event.
+            Confirm indication with @ref sd_ble_gattc_hv_confirm.
+            See @ref ble_gattc_evt_hvx_t. */
+            on_hvx(p_ble_gatt_c, p_ble_evt);
+            break;
+
+        case BLE_GATTC_EVT_READ_RSP:
+            /*
+            Read Response event.
+            See @ref ble_gattc_evt_read_rsp_t. */
+            on_read_rsp(p_ble_gatt_c, p_ble_evt);
+            break;
+
+        case BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP:
+            /*
+            Primary Service Discovery Response event.
+            See @ref ble_gattc_evt_prim_srvc_disc_rsp_t. */
+            break;
+        case BLE_GATTC_EVT_REL_DISC_RSP:
+            /*
+            Relationship Discovery Response event.
+            See @ref ble_gattc_evt_rel_disc_rsp_t. */
+            __BKPT(255);
+            break;
+        case BLE_GATTC_EVT_CHAR_DISC_RSP:
+            /*
+            Characteristic Discovery Response event.
+            See @ref ble_gattc_evt_char_disc_rsp_t. */
+            break;
+        case BLE_GATTC_EVT_DESC_DISC_RSP:
+            /*
+            Descriptor Discovery Response event.
+            See @ref ble_gattc_evt_desc_disc_rsp_t. */
+            break;
+        case BLE_GATTC_EVT_ATTR_INFO_DISC_RSP:
+            /*
+            Attribute Information Response event.
+            See @ref ble_gattc_evt_attr_info_disc_rsp_t. */
+            __BKPT(255);
+            break;
+        case BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP:
+            /*
+            Read By UUID Response event.
+            See @ref ble_gattc_evt_char_val_by_uuid_read_rsp_t. */
+            __BKPT(255);
+            break;
+        case BLE_GATTC_EVT_CHAR_VALS_READ_RSP:
+            /*
+            Read multiple Response event.
+            See @ref ble_gattc_evt_char_vals_read_rsp_t. */
+            __BKPT(255);
+            break;
+        case BLE_GATTC_EVT_WRITE_RSP:
+            /*
+            Write Response event.
+            See @ref ble_gattc_evt_write_rsp_t. */
+            break;
+        case BLE_GATTC_EVT_EXCHANGE_MTU_RSP:
+            /*
+            Exchange MTU Response event.
+            See @ref ble_gattc_evt_exchange_mtu_rsp_t. */
+            break;
+        case BLE_GATTC_EVT_TIMEOUT:
+            /*
+            Timeout event.
+            See @ref ble_gattc_evt_timeout_t. */
+            __BKPT(255);
+            break;
+        case BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE:
+            /*
+            Write without Response transmission complete. */
+            __BKPT(255);
+            break;
+        default:
+            // No implementation needed.
+            break;
+    }
+}
+
+void le_gatt_c_cccd_timer_cb(TimerHandle_t xTimer)
+{
+    xTimerStop(xTimer, pdMS_TO_TICKS(0));
+    le_gatt_ccdc_configure(m_gatt_c.conn_handle, m_gatt_c.regular_data_char_handle, true);
+    le_gatt_ccdc_configure(m_gatt_c.conn_handle, m_gatt_c.low_freq_data_char_handle, true);
+    le_gatt_ccdc_configure(m_gatt_c.conn_handle, m_gatt_c.auxiliary_data_char_handle, true);
+    le_gatt_ccdc_configure(m_gatt_c.conn_handle, m_gatt_c.status_char_handle, true);
+    le_gatt_ccdc_configure(m_gatt_c.conn_handle, m_gatt_c.event_char_handle, true);
+    NRF_LOG_INFO("Enable notifications. ");
+}
+
+static TimerHandle_t le_gatt_c_cccd_timer = NULL;
+
+void le_gatt_c_init(void)
+{
+    m_gatt_c.evt_handler                = le_gatt_c_evt_handler;
+    m_gatt_c.conn_handle                = BLE_CONN_HANDLE_INVALID;
+    m_gatt_c.regular_data_char_handle   = BLE_GATT_HANDLE_INVALID;
+    m_gatt_c.auxiliary_data_char_handle = BLE_GATT_HANDLE_INVALID;
+    m_gatt_c.status_char_handle         = BLE_GATT_HANDLE_INVALID;
+    m_gatt_c.event_char_handle          = BLE_GATT_HANDLE_INVALID;
+    ret_code_t err_code;
+    uint8_t uuid_type;
+    ble_uuid_t uuid = {
+        .type = BLE_UUID_TYPE_BLE,
+        .uuid = BLE_UUID_CUSTOM_SERVICE,
+    };
+    err_code = ble_db_discovery_evt_register(&uuid);
+    APP_ERROR_CHECK(err_code);
+
+    NRF_SDH_BLE_OBSERVER(m_gatt_c_observer, BLE_DIS_C_BLE_OBSERVER_PRIO, le_gatt_c_evt_handler, &m_gatt_c);
+
+    le_gatt_c_cccd_timer = xTimerCreate("Timer", pdMS_TO_TICKS(1000), pdTRUE, (void *)0, le_gatt_c_cccd_timer_cb);
+}
+
+void le_gatt_c_on_db_disc_evt(ble_db_discovery_evt_t *p_evt)
+{
+    ble_gatt_db_char_t *p_chars = p_evt->params.discovered_db.charateristics;
+
+    // Check if the service discovery is necessary for the link and if the event handler is present.
+    if (m_gatt_c.evt_handler == NULL || m_gatt_c.conn_handle == p_evt->conn_handle)
+    {
+        return;
+    }
+
+    // Check if the custom service was discovered.
+    if ((p_evt->evt_type == BLE_DB_DISCOVERY_COMPLETE) &&
+        (p_evt->params.discovered_db.srv_uuid.uuid == BLE_UUID_CUSTOM_SERVICE) &&
+        (p_evt->params.discovered_db.srv_uuid.type == BLE_UUID_TYPE_BLE))
+    {
+        m_gatt_c.conn_handle = p_evt->conn_handle;
+
+        for (uint32_t i = 0; i < p_evt->params.discovered_db.char_count; i++)
+        {
+            switch (p_chars[i].characteristic.uuid.uuid)
+            {
+                case BLE_UUID_REGULAR_DATA_CHAR:
+                    m_gatt_c.regular_data_char_handle = p_chars[i].characteristic.handle_value;
+                    handle_mapping[0]                 = m_gatt_c.regular_data_char_handle;
+                    break;
+                case BLE_UUID_LOW_FREQ_DATA_CHAR:
+                    m_gatt_c.low_freq_data_char_handle = p_chars[i].characteristic.handle_value;
+                    handle_mapping[1]                  = m_gatt_c.low_freq_data_char_handle;
+                    break;
+                case BLE_UUID_AUXILIARY_DATA_CHAR:
+                    m_gatt_c.auxiliary_data_char_handle = p_chars[i].characteristic.handle_value;
+                    handle_mapping[2]                   = m_gatt_c.auxiliary_data_char_handle;
+                    break;
+                case BLE_UUID_STATUS_CHAR:
+                    m_gatt_c.status_char_handle = p_chars[i].characteristic.handle_value;
+                    handle_mapping[3]           = m_gatt_c.status_char_handle;
+                    break;
+                case BLE_UUID_EVENT_CHAR:
+                    m_gatt_c.event_char_handle = p_chars[i].characteristic.handle_value;
+                    handle_mapping[4]          = m_gatt_c.event_char_handle;
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+}
+
+static void le_gatt_c_error_handler(uint32_t nrf_error, void *p_contex, uint16_t conn_handle)
+{
+    UNUSED_PARAMETER(conn_handle);
+    __BKPT(255);
+}
+
+ret_code_t le_gatt_c_read_char_req(uint32_t handle)
+{
+    ble_gatt_c_t *p_le_gatt_c = &m_gatt_c;
+
+    if (p_le_gatt_c->conn_handle == BLE_CONN_HANDLE_INVALID)
+    {
+        return NRF_ERROR_INVALID_STATE;
+    }
+
+    for (int i = 0; i < COUNTOF(p_le_gatt_c->char_handles); i++)
+    {
+        if (handle_mapping[i] == handle)
+        {
+            nrf_ble_gq_req_t gq_req;
+            memset(&gq_req, 0, sizeof(gq_req));
+            gq_req.type                     = NRF_BLE_GQ_REQ_GATTC_READ;
+            gq_req.error_handler.cb         = le_gatt_c_error_handler;
+            gq_req.error_handler.p_ctx      = p_le_gatt_c;
+            gq_req.params.gattc_read.handle = p_le_gatt_c->char_handles[i];
+            return nrf_ble_gq_item_add(le_gap_queue(), &gq_req, p_le_gatt_c->conn_handle);
+        }
+    }
+
+    return NRF_ERROR_INVALID_PARAM;
+}
+
+ret_code_t le_gatt_c_write_req(uint32_t handle, uint8_t const *p_data, uint16_t len)
+{
+    ble_gatt_c_t *p_le_gatt_c = &m_gatt_c;
+
+    if (p_le_gatt_c->conn_handle == BLE_CONN_HANDLE_INVALID)
+    {
+        return NRF_ERROR_INVALID_STATE;
+    }
+
+    for (int i = 0; i < COUNTOF(p_le_gatt_c->char_handles); i++)
+    {
+        if (handle_mapping[i] == handle)
+        {
+            nrf_ble_gq_req_t gq_req;
+            memset(&gq_req, 0, sizeof(gq_req));
+            gq_req.type                        = NRF_BLE_GQ_REQ_GATTC_WRITE;
+            gq_req.error_handler.cb            = le_gatt_c_error_handler;
+            gq_req.error_handler.p_ctx         = p_le_gatt_c;
+            gq_req.params.gattc_write.handle   = p_le_gatt_c->char_handles[i];
+            gq_req.params.gattc_write.p_value  = p_data;
+            gq_req.params.gattc_write.len      = len;
+            gq_req.params.gattc_write.write_op = BLE_GATT_OP_WRITE_REQ;
+            return nrf_ble_gq_item_add(le_gap_queue(), &gq_req, p_le_gatt_c->conn_handle);
+        }
+        else if (handle_mapping[i] + 1 == handle)
+        {
+            uint16_t enable = *(uint16_t *)p_data & 0x0001;
+            return le_gatt_ccdc_configure(m_gatt_c.conn_handle, handle_mapping[i], enable);
+        }
+    }
+
+    return NRF_ERROR_INVALID_PARAM;
+}
@@ -22,14 +22,13 @@ extern "C"
 #include "nrf_sdh_freertos.h"

 #include "ble_advdata.h"
+#include "ble_gap.h"
 #include "nrf_ble_scan.h"

 #ifdef __cplusplus
 }
 #endif

-NRF_BLE_SCAN_DEF(m_scan); /**< Scanning Module instance. */
-
 #define MAX_DEV_NAME_LEN ((BLE_GAP_ADV_SET_DATA_SIZE_MAX + 1) - AD_DATA_OFFSET)

 static void on_adv_report(ble_gap_evt_adv_report_t const *p_adv_report)
@@ -41,16 +40,6 @@ static void on_adv_report(ble_gap_evt_adv_report_t const *p_adv_report)
    char dev_name[MAX_DEV_NAME_LEN];
    memset(dev_name, 0x00, MAX_DEV_NAME_LEN);

-    // Search for advertising manufacturer spec data
-    uint32_t manu_spec_data_len = ble_advdata_search(p_adv_report->data.p_data,
-                                                     p_adv_report->data.len,
-                                                     &offset,
-                                                     BLE_GAP_AD_TYPE_MANUFACTURER_SPECIFIC_DATA);
-    if (manu_spec_data_len)
-    {
-        p_manu_spec_data = &p_adv_report->data.p_data[offset];
-    }
-
    // Search for advertising names.
    uint32_t device_name_len = ble_advdata_search(p_adv_report->data.p_data,
                                                  p_adv_report->data.len,
@@ -61,6 +50,17 @@ static void on_adv_report(ble_gap_evt_adv_report_t const *p_adv_report)
        uint8_t *p = (uint8_t *)p_adv_report->data.p_data;
        memcpy(dev_name, &p[offset], device_name_len);
    }
+
+    // Search for advertising manufacturer spec data
+    offset = 0;
+    uint32_t manu_spec_data_len =
+        ble_advdata_search(p_adv_report->data.p_data, p_adv_report->data.len, &offset, BLE_GAP_AD_TYPE_MANUFACTURER_SPECIFIC_DATA);
+
+    if (manu_spec_data_len)
+    {
+        p_manu_spec_data = &p_adv_report->data.p_data[offset];
+    }
+
    extern void host_scan_filter_match_cb(
        void *p_manu_spec_data,
        uint32_t manu_spec_data_len,
@@ -68,6 +68,7 @@ static void on_adv_report(ble_gap_evt_adv_report_t const *p_adv_report)
        uint32_t device_name_len,
        ble_gap_addr_t const *peer_addr,
        int16_t rssi);
+
    host_scan_filter_match_cb(
        p_manu_spec_data,
        manu_spec_data_len,
@@ -77,86 +78,82 @@ static void on_adv_report(ble_gap_evt_adv_report_t const *p_adv_report)
        p_adv_report->rssi);
 }

-static void scan_evt_handler(scan_evt_t const *p_scan_evt)
+
+
+static uint8_t scan_buffer[BLE_GAP_SCAN_BUFFER_MAX];
+static ble_data_t const adv_report_buffer = { .p_data = scan_buffer,
+                                              .len    = BLE_GAP_SCAN_BUFFER_MAX };
+static ble_uuid_t const filter_uuid       = { .type = BLE_UUID_TYPE_BLE, .uuid = 0xFFF0 };
+
+static uint64_t mac = 0;
+void le_scan_handler(ble_evt_t const *p_ble_evt, void *p_context)
 {
    ret_code_t err_code;
+    ble_gap_evt_adv_report_t const *p_adv_report = &p_ble_evt->evt.gap_evt.params.adv_report;
+    uint16_t data_len                            = p_ble_evt->evt.gap_evt.params.adv_report.data.len;
+    ble_gap_addr_t const *peer_addr              = &p_ble_evt->evt.gap_evt.params.adv_report.peer_addr;
+    uint64_t u64_peer_addr                       = 0;
+    memcpy(&u64_peer_addr, peer_addr, sizeof(peer_addr->addr));

-    switch (p_scan_evt->scan_evt_id)
+    if (ble_advdata_uuid_find(p_adv_report->data.p_data, data_len, &filter_uuid))
    {
-        case NRF_BLE_SCAN_EVT_CONNECTING_ERROR: {
-            /**< Error occurred when establishing the connection.
-            In this event, an error is passed from the function call @ref sd_ble_gap_connect. */
-            err_code = p_scan_evt->params.connecting_err.err_code;
-            APP_ERROR_CHECK(err_code);
+        mac = u64_peer_addr;
+
+        char peer_addr_str[(2 + 1) * BLE_GAP_ADDR_LEN + 1] = { 0 };
+
+        if (peer_addr)
+        {
+            sprintf(peer_addr_str, "%02X:%02X:%02X:%02X:%02X:%02X", peer_addr->addr[5], peer_addr->addr[4], peer_addr->addr[3], peer_addr->addr[2], peer_addr->addr[1], peer_addr->addr[0]);
        }
-        break;
-        case NRF_BLE_SCAN_EVT_FILTER_MATCH: {
-            /**< A filter is matched or all filters are matched in the multifilter mode. */
-            on_adv_report(p_scan_evt->params.filter_match.p_adv_report);
-        }
-        break;
-        case NRF_BLE_SCAN_EVT_CONNECTED:
-            /**< Connected to device. */
-            break;
-        case NRF_BLE_SCAN_EVT_WHITELIST_REQUEST:
-            /**< Request the whitelist from the main application. For whitelist scanning to work, the whitelist must be set when this event occurs. */
-            break;
-        case NRF_BLE_SCAN_EVT_WHITELIST_ADV_REPORT:
-            /**< Send notification to the main application when a device from the whitelist is found. */
-            break;
-        case NRF_BLE_SCAN_EVT_NOT_FOUND:
-            /**< The filter was not matched for the scan data. */
-            break;
-        case NRF_BLE_SCAN_EVT_SCAN_TIMEOUT:
-            /**< Scan timeout. */
-            break;
-        default:
-            break;
+
+        NRF_LOG_INFO("%s", peer_addr_str);
    }
+    else if (mac == u64_peer_addr)
+    {
+        on_adv_report(p_adv_report);
+    }
+
+    sd_ble_gap_scan_start(NULL, &adv_report_buffer);
 }

-static char const *m_target_periph_name[] = ELITE_DEVICE_NAME_LIST;
+static ble_gap_scan_params_t scan_params = {
+    .active                 = 1,
+    .interval               = NRF_BLE_SCAN_SCAN_INTERVAL,
+    .window                 = NRF_BLE_SCAN_SCAN_WINDOW,
+    .filter_policy          = BLE_GAP_SCAN_FP_ACCEPT_ALL,
+    .scan_phys              = BLE_GAP_PHY_1MBPS,
+    .timeout                = BLE_GAP_SCAN_TIMEOUT_UNLIMITED,
+    .channel_mask           = {0, 0, 0, 0, 0},
+    .report_incomplete_evts = 0,
+    .extended               = 0,
+};

 void le_scan_init(void)
 {
-    ret_code_t err_code;
-
-    nrf_ble_scan_init_t init_scan;
-    memset(&init_scan, 0, sizeof(init_scan));
-    init_scan.connect_if_match = false;
-    init_scan.conn_cfg_tag     = APP_BLE_CONN_CFG_TAG;
-
-    err_code = nrf_ble_scan_init(&m_scan, &init_scan, scan_evt_handler);
-    APP_ERROR_CHECK(err_code);
-
-    for (int i = 0; i < COUNTOF(m_target_periph_name); i++)
-    {
-        err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name[i]);
-        APP_ERROR_CHECK(err_code);
-    }
-
-    err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_NAME_FILTER, false);
-
-    APP_ERROR_CHECK(err_code);
+    // TODO...
 }

+bool is_scanning = false;
+
 void le_scan_start(void)
 {
-    ret_code_t ret;
-    NRF_LOG_INFO("Start scanning for device name \"%s\", \"%s\".",
-                 (uint32_t)m_target_periph_name[0],
-                 (uint32_t)m_target_periph_name[1]);
-    ret = nrf_ble_scan_start(&m_scan);
-    APP_ERROR_CHECK(ret);
+    if (is_scanning != true)
+    {
+        NRF_LOG_INFO("Start scanning for UUID service 0x%04X.",
+                     BLE_UUID_CUSTOM_SERVICE);
+        is_scanning = true;
+        sd_ble_gap_scan_start(&scan_params, &adv_report_buffer);
+    }
 }

 void le_scan_stop(void)
 {
    NRF_LOG_INFO("Stop scanning.");
-    nrf_ble_scan_stop();
+    sd_ble_gap_scan_stop();
+    is_scanning = false;
 }

-const nrf_ble_scan_t *le_scan_obj(void)
+ble_gap_scan_params_t *le_scan_params(void)
 {
-    return &m_scan;
-}
+    return &scan_params;
+}
@@ -40,8 +40,11 @@ static void le_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
    ret_code_t err_code;
    switch (p_ble_evt->header.evt_id)
    {
-        case BLE_GAP_EVT_ADV_REPORT:
-            break;
+        case BLE_GAP_EVT_ADV_REPORT: {
+            extern void le_scan_handler(ble_evt_t const *p_ble_evt, void *p_context);
+            le_scan_handler(p_ble_evt, p_context);
+        }
+        break;
        case BLE_GAP_EVT_PHY_UPDATE:
            NRF_LOG_INFO("PHY update procedure is complete.");
            break;
@@ -50,7 +53,6 @@ static void le_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
            break;
        case BLE_GAP_EVT_CONNECTED:
            NRF_LOG_INFO("Connected to peer.");
-            le_scan_stop();
            le_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle);
            le_gap_conn_param_update(p_ble_evt->evt.gap_evt.conn_handle);
            le_db_discovery_start(p_ble_evt->evt.gap_evt.conn_handle);
@@ -62,7 +64,8 @@ static void le_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
            le_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle);
            break;
        case BLE_GATTS_EVT_SYS_ATTR_MISSING: {
-            ret_code_t err_code = sd_ble_gatts_sys_attr_set(p_ble_evt->evt.gatts_evt.conn_handle, NULL, 0, 0);
+            ret_code_t err_code = sd_ble_gatts_sys_attr_set(
+                p_ble_evt->evt.gatts_evt.conn_handle, NULL, 0, 0);
            APP_ERROR_CHECK(err_code);
        }
        break;
@@ -99,19 +102,96 @@ static void le_stack_Init(void)
    NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, le_evt_handler, NULL);
 }

+
+#define ROY_MEM_SEL     NRF_GPIO_PIN_MAP(1, 9)
+#define ROY_MEM_BZY     NRF_GPIO_PIN_MAP(0, 8)
+#define ROY_MEM_REQ     NRF_GPIO_PIN_MAP(0, 6)
+#define ROY_RAM_SEL     NRF_GPIO_PIN_MAP(0, 5)
+#define ROY_MEM_TEST_01 NRF_GPIO_PIN_MAP(0, 26)
+#define ROY_MEM_TEST_02 NRF_GPIO_PIN_MAP(0, 17)
+#define ROY_MEM_TEST_03 NRF_GPIO_PIN_MAP(0, 21)
+#define ROY_MEM_TEST_04 NRF_GPIO_PIN_MAP(0, 19)
+#define ROY_MEM_TEST_05 NRF_GPIO_PIN_MAP(0, 22)
+#define ROY_LED1        NRF_GPIO_PIN_MAP(1, 10)
+
+static void mem_pin(void *p_arg)
+{
+    nrf_gpio_cfg_output(ROY_MEM_SEL);
+    nrf_gpio_cfg_output(ROY_MEM_BZY);
+    nrf_gpio_cfg_output(ROY_MEM_REQ);
+    nrf_gpio_cfg_output(ROY_RAM_SEL);
+
+    static uint8_t time = 0;
+    for (;;) {
+
+        NRF_LOG_INFO("mem_pin %d", time);
+        time++;
+        nrf_gpio_pin_set(ROY_MEM_SEL);
+        nrf_gpio_pin_set(ROY_MEM_BZY);
+        nrf_gpio_pin_set(ROY_MEM_REQ);
+        nrf_gpio_pin_set(ROY_RAM_SEL);
+        NRF_LOG_INFO("mem_pin on");
+        nrf_delay_ms(2000);
+
+        nrf_gpio_pin_clear(ROY_MEM_SEL);
+        nrf_gpio_pin_clear(ROY_MEM_BZY);
+        nrf_gpio_pin_clear(ROY_MEM_REQ);
+        nrf_gpio_pin_clear(ROY_RAM_SEL);
+        NRF_LOG_INFO("mem_pin off");
+        nrf_delay_ms(2000);
+    }
+}
+
+static void test_pin(void *p_arg)
+{
+    nrf_gpio_cfg_output(ROY_MEM_TEST_01);
+    nrf_gpio_cfg_output(ROY_MEM_TEST_02);
+    nrf_gpio_cfg_output(ROY_MEM_TEST_03);
+    nrf_gpio_cfg_output(ROY_MEM_TEST_04);
+    nrf_gpio_cfg_output(ROY_MEM_TEST_05);
+    nrf_gpio_cfg_output(ROY_LED1);
+
+    static uint8_t time = 0;
+    for (;;) {
+
+        NRF_LOG_INFO("test_pin %d", time);
+        time++;
+        nrf_gpio_pin_set(ROY_MEM_TEST_01);
+        nrf_gpio_pin_set(ROY_MEM_TEST_02);
+        nrf_gpio_pin_set(ROY_MEM_TEST_03);
+        nrf_gpio_pin_set(ROY_MEM_TEST_04);
+        nrf_gpio_pin_set(ROY_MEM_TEST_05);
+        nrf_gpio_pin_set(ROY_LED1);
+        NRF_LOG_INFO("test_pin on");
+        nrf_delay_ms(1000);
+
+        nrf_gpio_pin_clear(ROY_MEM_TEST_01);
+        nrf_gpio_pin_clear(ROY_MEM_TEST_02);
+        nrf_gpio_pin_clear(ROY_MEM_TEST_03);
+        nrf_gpio_pin_clear(ROY_MEM_TEST_04);
+        nrf_gpio_pin_clear(ROY_MEM_TEST_05);
+        nrf_gpio_pin_clear(ROY_LED1);
+        NRF_LOG_INFO("test_pin off");
+        nrf_delay_ms(1000);
+    }
+}
+
 static void initialize(void *p_context)
 {
    extern void uart_drv_init(void);
    uart_drv_init();

+    extern void mem_board_init(void);
+    mem_board_init();
+
    extern void le_db_discovery_init(void);
    le_db_discovery_init();

    extern void le_dis_c_init(void);
    le_dis_c_init();

-    extern void le_eis_c_init(void);
-    le_eis_c_init();
+    extern void le_gatt_c_init(void);
+    le_gatt_c_init();

    extern void le_gap_init(void);
    le_gap_init();
@@ -136,6 +216,9 @@ int main(void)

    nrf_sdh_freertos_init(initialize, NULL);

+    //xTaskCreate(mem_pin, "mem_pin", 512, NULL, 5, NULL);
+    //xTaskCreate(test_pin, "test_pin", 512, NULL, 5, NULL);
+
    vTaskStartScheduler();

    for (;;)
@@ -0,0 +1,146 @@
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "nrf_gpio.h"
+#include "nrf_gpiote.h"
+#include "nrf_spim.h"
+
+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "task.h"
+
+#include "nrf_log.h"
+#include "nrf_log_ctrl.h"
+#include "nrf_log_default_backends.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#define MEM_SEL_PIN       NRF_GPIO_PIN_MAP(1, 9)
+#define MEM_BZY_PIN       NRF_GPIO_PIN_MAP(0, 8)
+#define MEM_REQ_PIN       NRF_GPIO_PIN_MAP(0, 6)
+
+#define RAM_SEL_PIN       NRF_GPIO_PIN_MAP(0, 5)
+
+#define MEM_TEST_01_PIN   NRF_GPIO_PIN_MAP(0, 26)
+#define MEM_TEST_02_PIN   NRF_GPIO_PIN_MAP(0, 17)
+#define MEM_TEST_03_PIN   NRF_GPIO_PIN_MAP(0, 21)
+#define MEM_TEST_04_PIN   NRF_GPIO_PIN_MAP(0, 19)
+#define MEM_TEST_05_PIN   NRF_GPIO_PIN_MAP(0, 22)
+
+#define MEM_REQ_GPIOTE_ID 0
+
+static int ram_sel_signal = 0;
+
+static SemaphoreHandle_t mem_drv_semphr = NULL;
+static TaskHandle_t mem_drv_task_handle = NULL;
+
+void mem_ram_select(int select)
+{
+    ram_sel_signal = select;
+    switch (ram_sel_signal)
+    {
+        case 0:
+            nrf_gpio_pin_clear(RAM_SEL_PIN);
+            break;
+        case 1:
+            nrf_gpio_pin_set(RAM_SEL_PIN);
+            break;
+        default:
+            break;
+    }
+}
+
+static void mem_drv_task(void *p_arg)
+{
+    static uint32_t sel = 0;
+
+    extern void sram_drv_init(void);
+    sram_drv_init();
+
+    extern void sram_drv_reset(void);
+    extern int sram_drv_write(uint32_t addr, void *p_dest, uint32_t len);
+    NRF_LOG_INFO("build----1")
+    for (int i = 0; i < 2; i++)
+    {
+        sel ^= 1;
+        mem_ram_select(sel);
+        sram_drv_reset();
+
+        if (sel) {
+            uint8_t buf_1[12] = {1,2,2,6,5,6,7,8,9,0};
+            sram_drv_write(0x0000, buf_1, sizeof(buf_1));
+        } else {
+            uint8_t buf_0[12] = {9,9,8,8,7,7,6,6,5,5,0};
+            sram_drv_write(0x0000, buf_0, sizeof(buf_0));
+        }
+    }
+
+    for (;;)
+    {
+        extern int sram_drv_read(uint32_t addr, void *p_dest, uint32_t len);
+
+        uint8_t buf[4];
+
+        xSemaphoreTake(mem_drv_semphr, portMAX_DELAY);
+
+        sel ^= 0x01;
+        mem_ram_select(sel);
+        sram_drv_read(0x0000, buf, sizeof(buf));
+        NRF_LOG_INFO("mem_sel[%d]: 0x%02X, 0x%02X, 0x%02X, 0x%02X", sel, buf[0], buf[1], buf[2], buf[3]);
+    }
+}
+
+void mem_board_init(void)
+{
+    // Config RAM test pin
+    nrf_gpio_cfg_input(MEM_TEST_01_PIN, NRF_GPIO_PIN_PULLUP);
+    nrf_gpio_cfg_input(MEM_TEST_02_PIN, NRF_GPIO_PIN_PULLUP);
+    nrf_gpio_cfg_input(MEM_TEST_03_PIN, NRF_GPIO_PIN_PULLUP);
+    nrf_gpio_cfg_input(MEM_TEST_04_PIN, NRF_GPIO_PIN_PULLUP);
+    nrf_gpio_cfg_input(MEM_TEST_05_PIN, NRF_GPIO_PIN_PULLUP);
+
+    // Config RAM select pin
+    nrf_gpio_cfg_output(RAM_SEL_PIN);
+    nrf_gpio_pin_clear(RAM_SEL_PIN);
+
+    // Config PI Ctrl pin
+    nrf_gpio_cfg_input(MEM_SEL_PIN, NRF_GPIO_PIN_NOPULL);
+    nrf_gpio_cfg_input(MEM_REQ_PIN, NRF_GPIO_PIN_NOPULL);
+    nrf_gpiote_event_configure(MEM_REQ_GPIOTE_ID, MEM_REQ_PIN, NRF_GPIOTE_POLARITY_TOGGLE);
+    nrf_gpiote_event_enable(MEM_REQ_GPIOTE_ID);
+    nrf_gpiote_int_enable(0x01 << MEM_REQ_GPIOTE_ID);
+
+    // Create Semphr & Task
+    mem_drv_semphr = xSemaphoreCreateBinary();
+    xTaskCreate(mem_drv_task, "mem_drv", 256, NULL, 5, NULL);
+
+    sd_nvic_SetPriority(GPIOTE_IRQn, _PRIO_APP_HIGH);
+    sd_nvic_EnableIRQ(GPIOTE_IRQn);
+}
+
+static void mem_req_int_callback(void)
+{
+    uint32_t mem_sel = nrf_gpio_pin_read(MEM_SEL_PIN);
+    uint32_t mem_req = nrf_gpio_pin_read(MEM_REQ_PIN);
+    if (mem_sel != mem_req)
+    {
+        BaseType_t xHigherPriorityTaskWoken;
+        xSemaphoreGiveFromISR(mem_drv_semphr, &xHigherPriorityTaskWoken);
+        portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+    }
+}
+
+void GPIOTE_IRQHandler(void)
+{
+    if (NRF_GPIOTE->EVENTS_IN[MEM_REQ_GPIOTE_ID])
+    {
+        NRF_GPIOTE->EVENTS_IN[MEM_REQ_GPIOTE_ID] = 0;
+        mem_req_int_callback();
+    }
+}
@@ -18,7 +18,7 @@
 		<Link>
 			<LinkerScript Condition="'%(Link.LinkerScript)' == ''">$(BSP_ROOT)/nRF5x/LinkerScripts/nRF52840_XXAA_S140_reserve.lds</LinkerScript>
 			<LibrarySearchDirectories>$(BSP_ROOT)/nRF5x/SoftdeviceLibraries/hard;$(BSP_ROOT)/nRF5x/LinkerScripts;%(Link.LibrarySearchDirectories)</LibrarySearchDirectories>
-			<AdditionalOptions>--specs=nano.specs -u _printf_float --specs=nosys.specs -mabi=aapcs %(Link.AdditionalOptions)</AdditionalOptions>
+			<AdditionalOptions>--specs=nano.specs -u _printf_float --specs=nosys.specs -Wl,--no-warn-rwx-segments -mabi=aapcs %(Link.AdditionalOptions)</AdditionalOptions>
 		</Link>
 	</ItemDefinitionGroup>
 	<PropertyGroup>
@@ -2,9 +2,9 @@
 <EmbeddedProfile xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ToolchainID>com.visualgdb.arm-eabi</ToolchainID>
  <ToolchainVersion>
-    <GCC>10.3.1</GCC>
-    <GDB>10.2.90</GDB>
-    <Revision>1</Revision>
+    <GCC>12.2.1</GCC>
+    <GDB>12.2</GDB>
+    <Revision>2</Revision>
  </ToolchainVersion>
  <BspID>com.sysprogs.arm.nordic.nrf5x</BspID>
  <BspVersion>17.0</BspVersion>
@@ -7,12 +7,13 @@ def survive_cmd(ser):
    send = [0x0A, 0x01, 0xF1]
    ser.write(send)
    read = ser.read(4)
-    print("recv: "+" ".join("%02X" % b for b in read))
+    print("recv: " + " ".join("%02X" % b for b in read))

-def scan_cmd(ser, is_raw_data = True):
+
+def scan_cmd(ser, is_raw_data=True):
    send = [0x03, 0x01, 0xF1]
    ser.write(send)
-    peer_addr = [] 
+    peer_addr = []
    for i in range(10):
        hci_packet_event = ser.read(2)
        if int.from_bytes(hci_packet_event, "little") != 0x0004:
@@ -36,38 +37,76 @@ def scan_cmd(ser, is_raw_data = True):
            print("    hw version: " + " ".join("%02X" % b for b in payload[10:14]))
            print("    build time: " + " ".join("%02X" % b for b in payload[14:16]))
            print("    Parameter1: " + str(payload[16:19], "utf-8"))
-            print("  battery volt: " + str(int.from_bytes(payload[19:21], "big")/1000.0) + "V")
-            print("   device name: " + str(payload[21:], "utf-8"))            
+            print(
+                "  battery volt: "
+                + str(int.from_bytes(payload[19:21], "big") / 1000.0)
+                + "V"
+            )
+            print("   device name: " + str(payload[21:], "utf-8"))
    return peer_addr

-def connect(ser, peer_addr = []):
+
+def connect(ser, peer_addr=[]):
    send = [0x05, 0x08, 0x00]
    send += peer_addr
    send += [0xF1]
    ser.write(send)
-    read = ser.read(7)
-    print("recv: "+" ".join("%02X" % b for b in read))
+    read = ser.read(4)
+    print("recv: " + " ".join("%02X" % b for b in read))
+

 def disconnect(ser):
    send = [0x08, 0x01, 0xF1]
    ser.write(send)
    read = ser.read(4)
-    print("recv: "+" ".join("%02X" % b for b in read))
+    print("recv: " + " ".join("%02X" % b for b in read))
+
+
+def write_char(ser: serial.Serial, handle: int, write_data: tuple):
+    send = [0x06, len(write_data)+2, handle]
+    send += write_data
+    send +=  [0xF1]
+    ser.write(send)
+
+def read_char(ser: serial.Serial, handle: int):
+    send = [0x07, 0x02, handle, 0xF1]
+    ser.write(send)
+    read = ser.read(0xFFFF)
+    print("recv: " + " ".join("%02X" % b for b in read))


 def main():
    # set comport
-    ser = serial.Serial("COM12", 57600, 8)
+    ser = serial.Serial("COM15", 57600, 8, inter_byte_timeout=0.01)

    # send survive cmd
-    survive_cmd(ser)        
+    survive_cmd(ser)

    # send scan cmd
-    peer_addr = scan_cmd(ser, False)
-    
+    peer_addr = scan_cmd(ser, False)    
+    time.sleep(10)
+    return
    # send connect cmd with peer addr
    connect(ser, peer_addr)
-    time.sleep(10)
+    time.sleep(3)
+    
+    # send write char to enable notify
+    write_char(ser, 0x0024, [0xc4,0xf0,0xf1,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00])
+    time.sleep(0.1)
+    write_char(ser, 0x0024, [0x74,0x10,0xf1,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00])
+    time.sleep(0.1)
+    read_char(ser, 0x0021) 
+    # 130500040000000000000000000000000000001c
+    time.sleep(0.2)
+    # send write char to enable notify
+    #write_char(ser, 0x0028, 1)
+    #time.sleep(5)
+
+    # send write char to disable notify
+    #write_char(ser, 0x0028, 0)
+
+    # send read char to disable notify
+    #read_char(ser, 0x0027)

    # send disconnect cmd
    disconnect(ser)
@@ -0,0 +1,198 @@
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "nrf_gpio.h"
+#include "nrf_spim.h"
+
+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "task.h"
+
+#include "nrf_log.h"
+#include "nrf_log_ctrl.h"
+#include "nrf_log_default_backends.h"
+
+#ifdef __cplusplus
+}
+#endif
+#define SRAM_23K640 0
+#define SRAM_23K256
+
+#define SRAM_DEVICE      SRAM_23K640
+#define SRAM_BANK_NUM    2
+#define READ_CMD         (0b00000011)
+#define WRITE_CMD        (0b00000010)
+#define READ_STATUS_CMD  (0b00000101)
+#define WRITE_STATUS_CMD (0b00000001)
+
+#define BYTE_MODE        (0b00000010)
+#define PAGE_MODE        (0b10000010)
+#define SEQ_MODE         (0b01000010)
+#define RESVD_MODE       (0b11000010)
+
+#define HOLD_DISABLE     (0b00000001)
+
+#if (SRAM_DEVICE == SRAM_23K640)
+#define SRAM_SIZE (64 * 1024 / 8)
+#elif (SRAM_DEVICE == SRAM_23K256)
+#define SRAM_SIZE (256 * 1024 / 8)
+#else
+#error "unvalid external sram device"
+#endif
+
+#define SRAM_SPIM (NRF_SPIM3)
+#define CS_PIN    NRF_GPIO_PIN_MAP(0, 7)
+#define SCLK_PIN  NRF_GPIO_PIN_MAP(0, 12)
+#define MOSI_PIN  NRF_GPIO_PIN_MAP(0, 14)
+#define MISO_PIN  NRF_GPIO_PIN_MAP(0, 11)
+
+static SemaphoreHandle_t txrx_end_sem;
+static SemaphoreHandle_t sram_mutex;
+
+static void write_bytes(void *p, uint32_t len)
+{
+    nrf_spim_tx_buffer_set(SRAM_SPIM, p, len);
+    nrf_spim_rx_buffer_set(SRAM_SPIM, p, 0);
+    nrf_spim_task_trigger(SRAM_SPIM, NRF_SPIM_TASK_START);
+    xSemaphoreTake(txrx_end_sem, portMAX_DELAY);
+}
+
+static void read_bytes(void *p, uint32_t len)
+{
+    nrf_spim_tx_buffer_set(SRAM_SPIM, p, 0);
+    nrf_spim_rx_buffer_set(SRAM_SPIM, p, len);
+    nrf_spim_task_trigger(SRAM_SPIM, NRF_SPIM_TASK_START);
+    xSemaphoreTake(txrx_end_sem, portMAX_DELAY);
+}
+
+static void read_write_bytes(void *tx, uint32_t tx_len, void *rx, uint32_t rx_len)
+{
+    static uint8_t recv[256];
+    nrf_spim_tx_buffer_set(SRAM_SPIM, tx, tx_len);
+    nrf_spim_rx_buffer_set(SRAM_SPIM, recv, tx_len + rx_len);
+    nrf_spim_task_trigger(SRAM_SPIM, NRF_SPIM_TASK_START);
+    xSemaphoreTake(txrx_end_sem, portMAX_DELAY);
+    memcpy(rx, &recv[tx_len], rx_len);
+}
+
+static void write_status(uint8_t mode)
+{
+    uint8_t buf[] = {
+        WRITE_STATUS_CMD, mode
+    };
+    write_bytes(buf, sizeof(buf));
+}
+
+static void read_status(uint8_t *mode)
+{
+    uint8_t send[] = {
+        READ_STATUS_CMD
+    };
+    read_write_bytes(send, sizeof(send), mode, sizeof(*mode));
+}
+static void write_inst_addr(uint32_t inst, uint32_t addr)
+{
+    uint8_t buf[] = {
+        inst,
+        (addr & 0x0000FF00) >> 0x08,
+        (addr & 0x000000FF) >> 0x00
+    };
+    write_bytes(buf, sizeof(buf));
+}
+
+void sram_drv_write_status(uint8_t mode)
+{
+    xSemaphoreTake(sram_mutex, portMAX_DELAY);
+    nrf_gpio_pin_clear(CS_PIN);
+    write_status(mode | HOLD_DISABLE);
+    nrf_gpio_pin_set(CS_PIN);
+    xSemaphoreGive(sram_mutex);
+}
+
+void sram_drv_read_status(uint8_t *mode)
+{
+    xSemaphoreTake(sram_mutex, portMAX_DELAY);
+    nrf_gpio_pin_clear(CS_PIN);
+    read_status(mode);
+    nrf_gpio_pin_set(CS_PIN);
+    xSemaphoreGive(sram_mutex);
+}
+int sram_drv_write(uint32_t addr, void *p_dest, uint32_t len)
+{
+    xSemaphoreTake(sram_mutex, portMAX_DELAY);
+    nrf_gpio_pin_clear(CS_PIN);
+    write_inst_addr(WRITE_CMD, addr);
+    write_bytes(p_dest, len);
+    nrf_gpio_pin_set(CS_PIN);
+    xSemaphoreGive(sram_mutex);
+    return 0;
+}
+
+int sram_drv_read(uint32_t addr, void *p_dest, uint32_t len)
+{
+    xSemaphoreTake(sram_mutex, portMAX_DELAY);
+    nrf_gpio_pin_clear(CS_PIN);
+    write_inst_addr(READ_CMD, addr);
+    read_bytes(p_dest, len);
+    nrf_gpio_pin_set(CS_PIN);
+    xSemaphoreGive(sram_mutex);
+    return 0;
+}
+
+static uint8_t dummy[32] = { 0 };
+void sram_drv_reset(void)
+{
+    sram_drv_write_status(SEQ_MODE);
+    memset(dummy, 0x00, COUNTOF(dummy));
+    for (int i = 0; i < SRAM_SIZE / COUNTOF(dummy); i++)
+    {
+        uint32_t addr = i * COUNTOF(dummy);
+        sram_drv_write(addr, dummy, sizeof(dummy));
+    }
+}
+
+void sram_drv_init(void)
+{
+    txrx_end_sem = xSemaphoreCreateBinary();
+    sram_mutex   = xSemaphoreCreateMutex();
+    // Config SPI mosi pin
+    nrf_gpio_cfg_output(MOSI_PIN);
+    nrf_gpio_pin_clear(MOSI_PIN);
+    // Config SPI miso pin
+    nrf_gpio_cfg_input(MISO_PIN, NRF_GPIO_PIN_PULLDOWN);
+    // Config SPI clk pin
+    nrf_gpio_cfg_output(SCLK_PIN);
+    nrf_gpio_pin_clear(SCLK_PIN);
+    // Config SPI cs pin
+    nrf_gpio_cfg_output(CS_PIN);
+    nrf_gpio_pin_set(CS_PIN);
+
+    // Config SPI module
+    nrf_spim_configure(SRAM_SPIM, NRF_SPIM_MODE_0, NRF_SPIM_BIT_ORDER_MSB_FIRST);
+    nrf_spim_frequency_set(SRAM_SPIM, NRF_SPIM_FREQ_16M);
+    nrf_spim_pins_set(SRAM_SPIM, SCLK_PIN, MOSI_PIN, MISO_PIN);
+    nrf_spim_orc_set(SRAM_SPIM, 0x00);
+
+    // Enable SPI module
+    nrf_spim_enable(SRAM_SPIM);
+
+    // Enable interrput (for easyDMA)
+    sd_nvic_SetPriority(SPIM3_IRQn, _PRIO_APP_MID);
+    sd_nvic_EnableIRQ(SPIM3_IRQn);
+    nrf_spim_int_enable(SRAM_SPIM, NRF_SPIM_INT_END_MASK);
+}
+
+void SPIM3_IRQHandler(void)
+{
+    if (nrf_spim_int_enable_check(SRAM_SPIM, NRF_SPIM_INT_END_MASK))
+    {
+        nrf_spim_event_clear(SRAM_SPIM, NRF_SPIM_EVENT_END);
+        BaseType_t xHigherPriorityTaskWoken;
+        xSemaphoreGiveFromISR(txrx_end_sem, &xHigherPriorityTaskWoken);
+        portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+    }
+}
@@ -0,0 +1,155 @@
+/**
+ ******************************************************************************
+ * @file      syscalls.c
+ * @author    Auto-generated by STM32CubeIDE
+ * @brief     STM32CubeIDE Minimal System calls file
+ *
+ *            For more information about which c-functions
+ *            need which of these lowlevel functions
+ *            please consult the Newlib libc-manual
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2022 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+
+/* Includes */
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdio.h>
+#include <signal.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/times.h>
+
+
+/* Variables */
+extern int __io_putchar(int ch) __attribute__((weak));
+extern int __io_getchar(void) __attribute__((weak));
+
+
+char *__env[1] = { 0 };
+char **environ = __env;
+
+
+/* Functions */
+void initialise_monitor_handles()
+{
+}
+
+int _getpid(void)
+{
+	return 1;
+}
+
+int _kill(int pid, int sig)
+{
+	errno = EINVAL;
+	return -1;
+}
+
+void _exit (int status)
+{
+	_kill(status, -1);
+	while (1) {}		/* Make sure we hang here */
+}
+
+__attribute__((weak)) int _read(int file, char *ptr, int len)
+{
+	int DataIdx;
+
+	for (DataIdx = 0; DataIdx < len; DataIdx++)
+	{
+		*ptr++ = __io_getchar();
+	}
+
+return len;
+}
+
+__attribute__((weak)) int _write(int file, char *ptr, int len)
+{
+	int DataIdx;
+
+	for (DataIdx = 0; DataIdx < len; DataIdx++)
+	{
+		__io_putchar(*ptr++);
+	}
+	return len;
+}
+
+int _close(int file)
+{
+	return -1;
+}
+
+
+int _fstat(int file, struct stat *st)
+{
+	st->st_mode = S_IFCHR;
+	return 0;
+}
+
+int _isatty(int file)
+{
+	return 1;
+}
+
+int _lseek(int file, int ptr, int dir)
+{
+	return 0;
+}
+
+int _open(char *path, int flags, ...)
+{
+	/* Pretend like we always fail */
+	return -1;
+}
+
+int _wait(int *status)
+{
+	errno = ECHILD;
+	return -1;
+}
+
+int _unlink(char *name)
+{
+	errno = ENOENT;
+	return -1;
+}
+
+int _times(struct tms *buf)
+{
+	return -1;
+}
+
+int _stat(char *file, struct stat *st)
+{
+	st->st_mode = S_IFCHR;
+	return 0;
+}
+
+int _link(char *old, char *new)
+{
+	errno = EMLINK;
+	return -1;
+}
+
+int _fork(void)
+{
+	errno = EAGAIN;
+	return -1;
+}
+
+int _execve(char *name, char **argv, char **env)
+{
+	errno = ENOMEM;
+	return -1;
+}
@@ -21,8 +21,8 @@ extern "C"
 #endif

 #define HOST_UART            (NRF_UARTE0)
-#define HOST_uart_drv_tx_PIN 6
-#define HOST_UART_RX_PIN     8
+#define HOST_UART_DRV_TX_PIN NRF_GPIO_PIN_MAP(0, 4)
+#define HOST_UART_DRV_RX_PIN NRF_GPIO_PIN_MAP(0, 27)

 static SemaphoreHandle_t uart_drv_tx_sem;
 static SemaphoreHandle_t uart_drv_rx_sem;
@@ -73,11 +73,11 @@ void uart_drv_init(void)
    uart_drv_rx_mutex = xSemaphoreCreateMutex();
    uart_drv_tx_mutex = xSemaphoreCreateMutex();

-    nrf_gpio_cfg_output(HOST_uart_drv_tx_PIN);
-    nrf_gpio_cfg_input(HOST_UART_RX_PIN, NRF_GPIO_PIN_NOPULL);
+    nrf_gpio_cfg_output(HOST_UART_DRV_TX_PIN);
+    nrf_gpio_cfg_input(HOST_UART_DRV_RX_PIN, NRF_GPIO_PIN_NOPULL);
    nrf_uarte_configure(HOST_UART, NRF_UARTE_PARITY_EXCLUDED, NRF_UARTE_HWFC_DISABLED);
-    nrf_uarte_baudrate_set(HOST_UART, NRF_UARTE_BAUDRATE_57600);
-    nrf_uarte_txrx_pins_set(HOST_UART, HOST_uart_drv_tx_PIN, HOST_UART_RX_PIN);
+    nrf_uarte_baudrate_set(HOST_UART, NRF_UARTE_BAUDRATE_115200);
+    nrf_uarte_txrx_pins_set(HOST_UART, HOST_UART_DRV_TX_PIN, HOST_UART_DRV_RX_PIN);
    nrf_uarte_hwfc_pins_disconnect(HOST_UART);
    nrf_uarte_enable(HOST_UART);
Author	SHA1	Message	Date
Roy	4b2f4529c3	test read/write RAM	2023-08-07 10:46:00 +08:00
Roy	1908ba34ff	tesst mem_pin	2023-08-07 10:44:44 +08:00
Roy	bc46a7f70c	test test_pin & led	2023-08-07 10:43:46 +08:00
chain40	94765fc0e8	continue...	2023-08-03 22:34:00 +08:00
chain40	a865dea78b	cc2650 sram compitable	2023-08-03 21:27:03 +08:00
chain40	a92ea7cc28	cc2650 ble compitable	2023-08-03 21:26:53 +08:00
charles	8ff9a297d5	add sram_drv	2023-06-14 13:23:12 +08:00
chain40	6acd56bf8f	host command suppor 1. support check_mem_survive, scan, connect, disconnect host command. 2. create a host_cmd.py to valid host commands 3. add uart_drv_rx_mutex/uart_drv_tx_mutex to lock uart tx/rx 4. add host_scan_filter_match_cb() to send device infomation to host. 5. add le_gap_disconnet() 6. freertos enable check stack overflow 7. freertos increase timer task stack	2023-06-09 19:17:35 +08:00