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Code Issues Releases Activity

OP-14 OP-16 I2C: When sending STOP signal after NAK, mask interrupts first

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git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2468 ebee16cc-31ac-478f-84a7-5cbb03baadba
This commit is contained in:
peabody124 2011-01-17 02:11:08 +00:00 committed by peabody124
parent 8959007a38
commit 0e441a20f3
1 changed files with 6 additions and 6 deletions
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10
flight/PiOS/STM32F10x/pios_i2c.c
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@ -163,7 +163,7 @@ const static struct i2c_adapter_transition i2c_adapter_transitions[I2C_STATE_NUM
[I2C_EVENT_STARTED_MORE_TXN_WRITE] = I2C_STATE_W_MORE_TXN_ADDR,
[I2C_EVENT_STARTED_LAST_TXN_READ] = I2C_STATE_R_LAST_TXN_ADDR,
[I2C_EVENT_STARTED_LAST_TXN_WRITE] = I2C_STATE_W_LAST_TXN_ADDR,
[I2C_EVENT_NACK] = I2C_STATE_STOPPING,
[I2C_EVENT_NACK] = I2C_STATE_NACK,
[I2C_EVENT_BUS_ERROR] = I2C_STATE_BUS_ERROR,
},
},
@ -572,10 +572,10 @@ static void go_w_last_txn_last(struct pios_i2c_adapter *i2c_adapter)
i2c_adapter->active_byte++;
}
static void go_nack(struct pios_i2c_adapter *i2c_adapter) {
I2C_ITConfig(i2c_adapter->cfg->regs, I2C_IT_BUF, DISABLE);
// SHOULD MOVE THIS INTO A STOPPING STATE AND SET IT ONLY AFTER THE BYTE WAS SENT
static void go_nack(struct pios_i2c_adapter *i2c_adapter)
{
I2C_ITConfig(i2c_adapter->cfg->regs, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR, DISABLE);
I2C_AcknowledgeConfig(i2c_adapter->cfg->regs, DISABLE);
I2C_GenerateSTOP(i2c_adapter->cfg->regs, ENABLE);
}