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rev2 working

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This commit is contained in:
Jack Humbert 2018-06-01 14:33:13 -04:00
parent 874f5a5c07
commit 274283420d
11 changed files with 88 additions and 83 deletions
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24
drivers/arm/twi2c.c
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@ -46,13 +46,12 @@ I2CSlaveMsgCB twi2c_slave_message_process, catchError, clearAfterSend;
static uint8_t twi2c_address;
static const I2CConfig I2CConfig = {
static const I2CConfig i2cconfig = {
STM32_TIMINGR_PRESC(15U) |
STM32_TIMINGR_SCLDEL(4U) | STM32_TIMINGR_SDADEL(2U) |
STM32_TIMINGR_SCLH(15U) | STM32_TIMINGR_SCLL(21U),
0,
0,
NULL
0
};
char initialReplyBody[50] = "Initial reply"; // 'Status' response if read without preceding write
@ -182,7 +181,7 @@ void twi2c_slave_init(void) {
twi2c_init();
i2cStart(&I2C_DRIVER, &I2CConfig);
i2cStart(&I2C_DRIVER, &i2cconfig);
#if HAL_USE_I2C_SLAVE
I2C_DRIVER.slaveTimeout = MS2ST(100); // Time for complete message
#endif
@ -213,15 +212,16 @@ void twi2c_slave_task(void) {
uint8_t twi2c_start(uint8_t address) {
twi2c_address = address;
i2cStart(&I2C_DRIVER, &I2CConfig);
i2cStart(&I2C_DRIVER, &i2cconfig);
return 0;
}
void twi2c_init(void) {
palSetGroupMode(GPIOB,8,9, PAL_MODE_INPUT); // Try releasing special pins for a short time
palSetGroupMode(GPIOB,6,7, PAL_MODE_INPUT); // Try releasing special pins for a short time
chThdSleepMilliseconds(10);
palSetPadMode(GPIOB, 9, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
palSetPadMode(GPIOB, 8, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
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);
// try high drive (from kiibohd)
// I2C_DRIVER.i2c->C2 |= I2Cx_C2_HDRS;
@ -229,14 +229,12 @@ void twi2c_init(void) {
// I2C_DRIVER.i2c->FLT = 4;
}
uint8_t buffer[1] = {0};
uint8_t twi2c_write(uint8_t data) {
return i2cMasterTransmitTimeout(&I2C_DRIVER, twi2c_address/2, &data, 1, buffer, 1, MS2ST(100));
return i2cMasterTransmitTimeout(&I2C_DRIVER, twi2c_address/2, &data, 1, 0, 0, MS2ST(100));
}
uint8_t twi2c_transmit(uint8_t address, uint8_t* data, uint16_t length) {
twi2c_address = address;
i2cStart(&I2C_DRIVER, &I2CConfig);
return i2cMasterTransmitTimeout(&I2C_DRIVER, twi2c_address/2, data, length, buffer, 1, MS2ST(100));
i2cStart(&I2C_DRIVER, &i2cconfig);
return i2cMasterTransmitTimeout(&I2C_DRIVER, twi2c_address/2, data, length, 0, 0, MS2ST(100));
}