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ukaszjankowski/stm32_scan_i2c.c

Created April 26, 2020 09:15
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stm32_scan_i2c.c
HAL_StatusTypeDef result;
uint8_t i;
for (i=1; i<128; i++)
{
result = HAL_I2C_IsDeviceReady(&hi2c1, (uint16_t)(i<<1), 2, 2);
if (result != HAL_OK)
{
CDC_Transmit_FS(".", 1);
}
if (result == HAL_OK)
{
uint8_t buf[10] = {0};
sprintf(buf, "0x%X \r\n", i);
CDC_Transmit_FS(buf, sizeof(buf));
}
}
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