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Code Issues Releases Activity

LP-529 [F3] [I2C] Fix nack handling.

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This commit is contained in:
Vladimir Zidar 2017-06-09 12:14:43 +02:00
parent 8c60c28b51
commit a00af53710
1 changed files with 4 additions and 2 deletions
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6
flight/pios/stm32f30x/pios_i2c.c
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@ -260,6 +260,7 @@ static void go_starting(struct pios_i2c_adapter *i2c_adapter, __attribute__((unu
i2c_adapter->active_byte = &(i2c_adapter->active_txn->buf[0]);
i2c_adapter->last_byte = &(i2c_adapter->active_txn->buf[i2c_adapter->active_txn->len - 1]);
I2C_ClearITPendingBit(i2c_adapter->cfg->regs, I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_ERRI);
I2C_ITConfig(i2c_adapter->cfg->regs, I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_NACKI | I2C_IT_RXI | I2C_IT_STOPI | I2C_IT_TXI, ENABLE);
I2C_TransferHandling(
@ -305,8 +306,9 @@ static void go_nack(struct pios_i2c_adapter *i2c_adapter, __attribute__((unused)
{
i2c_adapter->nack = true;
I2C_ITConfig(i2c_adapter->cfg->regs, I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_NACKI | I2C_IT_RXI | I2C_IT_STOPI | I2C_IT_TXI, DISABLE);
I2C_AcknowledgeConfig(i2c_adapter->cfg->regs, DISABLE);
I2C_GenerateSTOP(i2c_adapter->cfg->regs, ENABLE);
/* It seems that we don't need this with F3 i2c peripheral */
// I2C_AcknowledgeConfig(i2c_adapter->cfg->regs, DISABLE);
// I2C_GenerateSTOP(i2c_adapter->cfg->regs, ENABLE);
}
static void i2c_adapter_inject_event(struct pios_i2c_adapter *i2c_adapter, enum i2c_adapter_event event, bool *woken)