fix: 1. upon startup, the state of all electrodes is highZ (the control of GPIOs follows a specific order)

2. the state is idle before starting and after finishing the pulse generation

cpg.c

@@ -14,9 +14,9 @@
 
 #define VERSION_DATE_YEAR   24
 #define VERSION_DATE_MONTH  8
-#define VERSION_DATE_DAY    22
-#define VERSION_DATE_HOUR   10
-#define VERSION_DATE_MINUTE 54
+#define VERSION_DATE_DAY    29
+#define VERSION_DATE_HOUR   9
+#define VERSION_DATE_MINUTE 56
 static void cis_version(uint8_t *ins, uint16_t size)
 {
     NRF_LOG_INFO("%s", __FUNCTION__);

cpg11_io.c

@@ -199,6 +199,14 @@ void cpg11_pulse_init(uint32_t hw_idx, pusle_gen_t *p_pusle_gen, uint32_t len)
     pusle_gen_hw[hw_idx].pusle_gen_len = len;
     pusle_gen_hw[hw_idx].pusle_gen_sel = 0;
 
+    for (uint32_t i = 0; i < len; i++)
+    {
+        nrf_gpio_pin_clear(p_pusle_gen[i].VBxL);
+        nrf_gpio_pin_set(p_pusle_gen[i].VBxH);
+        nrf_gpio_pin_clear(p_pusle_gen[i].VAxL);
+        nrf_gpio_pin_set(p_pusle_gen[i].VAxH);
+    }
+
     taskEXIT_CRITICAL();
 };
 
@@ -323,15 +331,7 @@ void cpg11_io_init(void)
         LED_R_PIN,
         LED_G_PIN,
         LED_B_PIN,
-        CS_MEM_PIN,
-        VA1H_PIN,
-        VB1H_PIN,
-        VA2H_PIN,
-        VB2H_PIN,
-        VA3H_PIN,
-        VB3H_PIN,
-        VA4H_PIN,
-        VB4H_PIN,
+        CS_MEM_PIN
     };
 
     const uint32_t pel_pins_default_low[] = {
@@ -352,14 +352,26 @@ void cpg11_io_init(void)
         ADPT1_S3_PIN,
         ADPT1_S2_PIN,
         ADPT1_S1_PIN,
-        VA1L_PIN,
+
         VB1L_PIN,
-        VA2L_PIN,
+        VB1H_PIN,
+        VA1L_PIN,
+        VA1H_PIN,
+
         VB2L_PIN,
-        VA3L_PIN,
+        VB2H_PIN,
+        VA2L_PIN,
+        VA2H_PIN,
+
         VB3L_PIN,
+        VB3H_PIN,
+        VA3L_PIN,
+        VA3H_PIN,
+
+        VB4L_PIN,
+        VB4H_PIN,
         VA4L_PIN,
-        VB4L_PIN
+        VA4H_PIN,
     };
 
     for (int i = 0; i < COUNTOF(pel_pins_default_high); i++)