drashna/qmk_firmware
1
0
Fork 0
Code Activity Actions

Add ARM I2Cv1 support to i2c_master (#6262)

Browse source 
* Add ARM I2Cv1 support to i2c_master

* Add I2Cv1 docs
This commit is contained in:
Joel Challis 2019-07-16 09:30:53 +01:00 • committed by skullydazed
parent f859375284
commit 4e375aa1f5
3 changed files with 70 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

11
drivers/arm/i2c_master.c
View file

@ -33,11 +33,17 @@
static uint8_t i2c_address;
static const I2CConfig i2cconfig = {
#ifdef USE_I2CV1
I2C1_OPMODE,
I2C1_CLOCK_SPEED,
I2C1_DUTY_CYCLE,
#else
STM32_TIMINGR_PRESC(I2C1_TIMINGR_PRESC) |
STM32_TIMINGR_SCLDEL(I2C1_TIMINGR_SCLDEL) | STM32_TIMINGR_SDADEL(I2C1_TIMINGR_SDADEL) |
STM32_TIMINGR_SCLH(I2C1_TIMINGR_SCLH) | STM32_TIMINGR_SCLL(I2C1_TIMINGR_SCLL),
0,
0
#endif
};
static i2c_status_t chibios_to_qmk(const msg_t* status) {
@ -61,8 +67,13 @@ void i2c_init(void)
chThdSleepMilliseconds(10);
#ifdef USE_I2CV1
palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
#else
palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_ALTERNATE(I2C1_SCL_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_ALTERNATE(I2C1_SDA_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
#endif
//i2cInit(); //This is invoked by halInit() so no need to redo it.
}