I2C driver docs (#4298)

[qmk_firmware.git] / drivers / arm / i2c_master.c

diff --git a/drivers/arm/i2c_master.c b/drivers/arm/i2c_master.c
index 2a7badd351f29a8834410a0dd3385d260f297d68..de584383922a46610540cc9c421420e1bfa144a9 100644 (file)
--- a/drivers/arm/i2c_master.c
+++ b/drivers/arm/i2c_master.c
@@ -26,6 +26,7 @@
  */
 
 #include "i2c_master.h"
+#include "quantum.h"
 #include <string.h>
 #include <hal.h>
 
@@ -41,9 +42,11 @@ static const I2CConfig i2cconfig = {
   0
 };
 
+__attribute__ ((weak))
 void i2c_init(void)
 {
-  palSetGroupMode(GPIOB, GPIOB_PIN6 | GPIOB_PIN7, 0, PAL_MODE_INPUT); // Try releasing special pins for a short time
+  setPinInput(B6); // Try releasing special pins for a short time
+  setPinInput(B7);
   chThdSleepMilliseconds(10);
 
   palSetPadMode(GPIOB, 6, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);