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decode ADC data

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This commit is contained in:
alan
2019-06-14 17:39:59 +08:00
parent 0ed4a20505
commit 2126e2ffa6
2 changed files with 33 additions and 7 deletions
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simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
+10 -2
View File
@@ -927,6 +927,7 @@ static void update_ZM_instruction(uint8 *ins) {
case 0 :{
ADCin = 0xC1;
ADC_write(ADCin);
ADC_read(ADCin);
break;
}
@@ -936,6 +937,7 @@ static void update_ZM_instruction(uint8 *ins) {
case 1 :{
ADCin = 0xD1;
ADC_write(ADCin);
ADC_read(ADCin);
break;
}
@@ -945,6 +947,7 @@ static void update_ZM_instruction(uint8 *ins) {
case 2 :{
ADCin = 0xE1;
ADC_write(ADCin);
ADC_read(ADCin);
break;
}
@@ -967,12 +970,16 @@ static void update_ZM_instruction(uint8 *ins) {
break;
}
default :{
break;
}
}
SimpleProfile_SetParameter(BLE_CIS_BUFF_CHAR, 4, NotifyVolt);
SimpleProfile_SetParameter(BLE_CIS_BUFF_CHAR, 4, spi_ADC_rxbuf);
SimpleProfile_SetParameter(BLE_DAT_BUFF_CHAR, 4, spi_ADC_rxbuf);
/*
bool neg = 0;
if(AIN < 0){
AIN = (-1)*AIN;
@@ -986,8 +993,9 @@ static void update_ZM_instruction(uint8 *ins) {
if(neg){
NotifyVolt[0] = NotifyVolt[0] | 0xF0;
}
*/
SimpleProfile_SetParameter(BLE_DAT_BUFF_CHAR, 4, NotifyVolt);
break;
}
simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/impedance_meter.h
+23 -5
View File
@@ -184,7 +184,12 @@ static void ADC_read(uint8_t ADCin){
static uint8_t DecodeADCCurrent_level1(){
ADC_read(0xC1);
return 1;
if (spi_ADC_rxbuf_overflow()){
return 0;
} else {
return 1;
}
}
static uint8_t DecodeADCCurrent_level2(){
@@ -211,18 +216,31 @@ static int32_t DecodeADCCurrent(uint8_t ADCin){
uint8_t stage = DecodeADCCurrent_level3();
int32_t Iin = 0;
float LSBuV = getLSB(ADCin);
float Vo;
int16_t decode = (int16_t)(spi_ADC_rxbuf[0] << 8) | (uint16_t)(spi_ADC_rxbuf[1]);
switch(stage){
case 1:
Iin = DecodeADC(0xD1) / 10e6; // mA
Vo = 101*1500000 - 100 * decode*LSBuV / 10e6;
Vo = Vo * 1000;
// Iin = DecodeADC(0xD1) / 10e6; // mA
break;
case 2:
Iin = DecodeADC(0xE1) / (25*10e6); // mA
Vo = 101*1500000 - 100 * decode*LSBuV / 10e6;
Vo = Vo * 1000;
// Iin = DecodeADC(0xE1) / (25*10e6); // mA
break;
case 3:
Iin = DecodeADC(0xF1) / (625*10e6); // mA
Vo = 101*1500000 - 100 * decode*LSBuV / 10e6;
Vo = Vo * 1000;
// Iin = DecodeADC(0xF1) / (625*10e6); // mA
break;
case 0;
Iin = 0xFFFFFFFF;
break;
default:
Iin = DecodeADC(0xD1) / 10e6; // mA
// Iin = DecodeADC(0xD1) / 10e6; // mA
break;
}
return Iin;