]> git.donarmstrong.com Git - qmk_firmware.git/blobdiff - drivers/arm/i2c_master.c
led_matrix works now
[qmk_firmware.git] / drivers / arm / i2c_master.c
index ab962ea9599016351067d9078d42b9665c510089..1c3da2a1a28aff0f42b43b0cabeae4f05496f3a7 100644 (file)
@@ -45,16 +45,14 @@ static const I2CConfig i2cconfig = {
 __attribute__ ((weak))
 void i2c_init(void)
 {
-  //palSetGroupMode(GPIOB, GPIOB_PIN6 | GPIOB_PIN7, 0, PAL_MODE_INPUT);
-
   // 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 | PAL_STM32_PUPDR_PULLUP);
-  palSetPadMode(GPIOB, 7, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
+
+  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.
 }
@@ -69,6 +67,7 @@ uint8_t i2c_start(uint8_t address)
 
 uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout)
 {
+  // FIXME: Next steps: Add a print here, copy this file to your rgb_matrix firmware. Compare both.
   i2c_address = address;
   i2cStart(&I2C_DRIVER, &i2cconfig);
   return i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), data, length, 0, 0, MS2ST(timeout));