mbed-os/libraries/tests/mbed/i2c_master/main.cpp

44 lines
848 B
C++

#include "mbed.h"
#include "test_env.h"
#define SIZE (10)
#define ADDR (0x90)
#if defined(TARGET_KL25Z)
I2C i2c(PTE0, PTE1);
#elif defined(TARGET_nRF51822)
I2C i2c(p22,p20);
#else
I2C i2c(p28, p27);
#endif
int main() {
bool success = true;
char buf[] = {3, 2, 1, 4, 5, 6, 7, 8, 9, 10};
char res[SIZE];
i2c.write(ADDR, buf, SIZE);
i2c.read(ADDR, res, SIZE);
// here should be buf[all]++
i2c.write(ADDR, res, SIZE);
i2c.read(ADDR, res, SIZE);
// here should be buf[all]+=2
i2c.write(ADDR, res, SIZE);
i2c.write(ADDR, res, SIZE);
// here should be buf[all]+=3
i2c.read(ADDR, res, SIZE);
i2c.read(ADDR, res, SIZE);
for(int i = 0; i < SIZE; i++) {
if (res[i] != (buf[i] + 3)) {
success = false;
break;
}
}
notify_completion(success);
}