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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@2688 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
barthess 2011-01-27 22:32:14 +00:00
parent 9babeb847e
commit 7ebdd9c730
2 changed files with 14 additions and 1 deletions
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14
os/hal/platforms/STM32/i2c_lld.c
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@ -228,6 +228,13 @@ void i2c_lld_stop(I2CDriver *i2cp) {
i2cp->id_state = I2C_STOP;
}
void i2c_lld_master_transmitI(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t restart){
;
}
/**
* @brief Transmits data ever the I2C bus as master.
* TODO:@details
@ -245,8 +252,13 @@ void i2c_lld_master_transmit(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t re
i2cp->id_slave_config->rw_bit = I2C_WRITE;
//TODO: setup DMA channel here
i2cp->id_i2c->CR1 |= I2C_CR1_START; // generate start condition
//
//
i2cp->id_i2c->CR1 |= I2C_CR1_START; // generate start condition
while (!(i2cp->id_i2c->SR1 & I2C_SR1_SB)){
i++; // wait Address sent
}
i2cp->id_i2c->DR = (i2cp->id_slave_config->slave_addr1 << 1) | I2C_WRITE; // write slave addres in DR
while (!(i2cp->id_i2c->SR1 & I2C_SR1_ADDR)){

1
os/hal/platforms/STM32/i2c_lld.h
View File

@ -225,6 +225,7 @@ void i2c_lld_stop(I2CDriver *i2cp);
void i2c_lld_master_start(I2CDriver *i2cp, uint16_t header);
void i2c_lld_master_stop(I2CDriver *i2cp);
void i2c_lld_master_transmit(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t restart);
void i2c_lld_master_transmitI(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t restart);
void i2c_lld_master_receive(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg);
//static i2cflags_t translate_errors(uint16_t sr);