This library is made for the STM32 HAL (Hardware Abstraction Library) platform. The example code is for STM32CubeMX and Keil uVision 5 IDE.
Datasheet: ti.com
/* USER CODE BEGIN Includes */
#include <ads1255.h>/* USER CODE BEGIN PV */
ADS125X_t adc1;
/* USER CODE END PV */
int main(void)
{
/* USER CODE BEGIN 2 */
adc1.csPort = SPI2_CS_GPIO_Port;
adc1.csPin = SPI2_CS_Pin;
adc1.drdyPort = SPI2_DRDY_GPIO_Port;
adc1.drdyPin = SPI2_DRDY_Pin;
adc1.vref = 2.5f;
adc1.oscFreq = ADS125X_OSC_FREQ;
printf("\n");
printf("ADC config...\n");
// 10 SPS / PGA=1 / buffer off
ADS125X_Init(&adc1, &hspi2, ADS125X_DRATE_10SPS, ADS125X_PGA1, 0);
printf("...done\n");
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
float volt[2] = {0.0f, 0.0f};
ADS125X_ChannelDiff_Set(&adc1, ADS125X_MUXP_AIN0, ADS125X_MUXN_AIN1);
volt[0] = ADS125X_ADC_ReadVolt(&adc1);
printf("%.15f\n", volt[0]);
ADS125X_ChannelDiff_Set(&adc1, ADS125X_MUXP_AIN2, ADS125X_MUXN_AIN3);
ADS125X_CMD_Send(&adc1, ADS125X_CMD_SYNC);
volt[1] = ADS125X_ADC_ReadVolt(&adc1);
printf("%.15f\n", volt[1]);
}
/* USER CODE END 3 */
}Apache 2.0
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