void i2c_init(void)
{
// Try releasing special pins for a short time
- palSetPadMode(GPIOB, 6, PAL_MODE_INPUT);
- palSetPadMode(GPIOB, 7, PAL_MODE_INPUT);
+ palSetPadMode(I2C1_BANK, I2C1_SCL, PAL_MODE_INPUT);
+ palSetPadMode(I2C1_BANK, I2C1_SDA, PAL_MODE_INPUT);
chThdSleepMilliseconds(10);
-
- palSetPadMode(GPIOB, 6, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN);
- palSetPadMode(GPIOB, 7, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN);
+
+ palSetPadMode(I2C1_BANK, I2C1_SCL, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN);
+ palSetPadMode(I2C1_BANK, I2C1_SDA, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN);
//i2cInit(); //This is invoked by halInit() so no need to redo it.
}
return i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), regaddr, 1, data, length, MS2ST(timeout));
}
-// This is usually not needed. It releases the driver to allow pins to become GPIO again.
-uint8_t i2c_stop(uint16_t timeout)
+uint8_t i2c_stop(void)
{
i2cStop(&I2C_DRIVER);
return 0;