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authorbarthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4>2011-01-27 22:32:14 +0000
committerbarthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4>2011-01-27 22:32:14 +0000
commit7ebdd9c7306b46193f88c990a37c4b597911f5f7 (patch)
treebaf496f625418a3938ef3653f5d1aa43ba3bd658
parent9babeb847e50141bb378b77e987d8bc25c33a6d1 (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@2688 35acf78f-673a-0410-8e92-d51de3d6d3f4
-rw-r--r--os/hal/platforms/STM32/i2c_lld.c14
-rw-r--r--os/hal/platforms/STM32/i2c_lld.h1
2 files changed, 14 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.c b/os/hal/platforms/STM32/i2c_lld.c
index 8802d5af4..a6e03d010 100644
--- a/os/hal/platforms/STM32/i2c_lld.c
+++ b/os/hal/platforms/STM32/i2c_lld.c
@@ -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)){
diff --git a/os/hal/platforms/STM32/i2c_lld.h b/os/hal/platforms/STM32/i2c_lld.h
index 0179ba0e8..72b190eba 100644
--- a/os/hal/platforms/STM32/i2c_lld.h
+++ b/os/hal/platforms/STM32/i2c_lld.h
@@ -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);