tinySA/testhal/STM32F1xx/I2C/fake.c

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/**
* Not responding slave test
*/
#include <stdlib.h>
#include "ch.h"
#include "hal.h"
#include "fake.h"
/* input buffer */
static uint8_t rx_data[2];
/* temperature value */
static int16_t temperature = 0;
#define addr 0b1001100
/* This is main function. */
void request_fake(void){
i2cflags_t errors = 0;
i2cAcquireBus(&I2CD1);
errors = i2cMasterReceive(&I2CD1, addr, rx_data, 2);
i2cReleaseBus(&I2CD1);
if (errors == I2CD_ACK_FAILURE){
__NOP();
}
else{
temperature = (rx_data[0] << 8) + rx_data[1];
}
}