diff options
| author | Alex Ong <the.onga@gmail.com> | 2019-01-04 19:43:45 +1100 |
|---|---|---|
| committer | Alex Ong <the.onga@gmail.com> | 2019-01-04 19:43:45 +1100 |
| commit | 2bb2977c133646c4e056960e72029270d77cc1eb (patch) | |
| tree | 235d491f992121ac1716c5bf2fafb80983748576 /drivers/arm/i2c_master.c | |
| parent | a55c838961c89097ab849ed6cb1f261791e6b9b4 (diff) | |
| parent | 47c91fc7f75ae0a477e55b687aa0fc30da0a283c (diff) | |
Merge branch 'master' into debounce_refactor
# Conflicts:
# tmk_core/common/keyboard.c
Diffstat (limited to 'drivers/arm/i2c_master.c')
| -rw-r--r-- | drivers/arm/i2c_master.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/arm/i2c_master.c b/drivers/arm/i2c_master.c index 2a7badd351..385bd97cb8 100644 --- a/drivers/arm/i2c_master.c +++ b/drivers/arm/i2c_master.c @@ -26,12 +26,13 @@ */ #include "i2c_master.h" +#include "quantum.h" #include <string.h> #include <hal.h> static uint8_t i2c_address; -// This configures the I2C clock to 400Mhz assuming a 72Mhz clock +// This configures the I2C clock to 400khz assuming a 72Mhz clock // For more info : https://www.st.com/en/embedded-software/stsw-stm32126.html static const I2CConfig i2cconfig = { STM32_TIMINGR_PRESC(15U) | @@ -41,13 +42,17 @@ 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 - chThdSleepMilliseconds(10); + // Try releasing special pins for a short time + palSetPadMode(GPIOB, 6, PAL_MODE_INPUT); + palSetPadMode(GPIOB, 7, PAL_MODE_INPUT); - 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); + chThdSleepMilliseconds(10); + + palSetPadMode(GPIOB, 6, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN); + palSetPadMode(GPIOB, 7, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN); //i2cInit(); //This is invoked by halInit() so no need to redo it. } |