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path: root/drivers/arm/i2c_master.c
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Diffstat (limited to 'drivers/arm/i2c_master.c')
-rw-r--r--drivers/arm/i2c_master.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/arm/i2c_master.c b/drivers/arm/i2c_master.c
index 2a7badd35..de5843839 100644
--- a/drivers/arm/i2c_master.c
+++ b/drivers/arm/i2c_master.c
@@ -26,6 +26,7 @@
26 */ 26 */
27 27
28#include "i2c_master.h" 28#include "i2c_master.h"
29#include "quantum.h"
29#include <string.h> 30#include <string.h>
30#include <hal.h> 31#include <hal.h>
31 32
@@ -41,9 +42,11 @@ static const I2CConfig i2cconfig = {
41 0 42 0
42}; 43};
43 44
45__attribute__ ((weak))
44void i2c_init(void) 46void i2c_init(void)
45{ 47{
46 palSetGroupMode(GPIOB, GPIOB_PIN6 | GPIOB_PIN7, 0, PAL_MODE_INPUT); // Try releasing special pins for a short time 48 setPinInput(B6); // Try releasing special pins for a short time
49 setPinInput(B7);
47 chThdSleepMilliseconds(10); 50 chThdSleepMilliseconds(10);
48 51
49 palSetPadMode(GPIOB, 6, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP); 52 palSetPadMode(GPIOB, 6, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);