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[i2c] convenience functions return i2c_submit success

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This commit is contained in:
Felix Ruess
2013-03-14 14:51:35 +01:00
parent dc8d16931a
commit bb0c69e6ce
2 changed files with 14 additions and 12 deletions
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sw/airborne/mcu_periph/i2c.c
+6 -6
View File
@@ -69,32 +69,32 @@ void i2c_init(struct i2c_periph* p) {
}
void i2c_transmit(struct i2c_periph* p, struct i2c_transaction* t,
bool_t i2c_transmit(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint8_t len)
{
t->type = I2CTransTx;
t->slave_addr = s_addr;
t->len_w = len;
t->len_r = 0;
i2c_submit(p, t);
return i2c_submit(p, t);
}
void i2c_receive(struct i2c_periph* p, struct i2c_transaction* t,
bool_t i2c_receive(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint16_t len)
{
t->type = I2CTransRx;
t->slave_addr = s_addr;
t->len_w = 0;
t->len_r = len;
i2c_submit(p, t);
return i2c_submit(p, t);
}
void i2c_transceive(struct i2c_periph* p, struct i2c_transaction* t,
bool_t i2c_transceive(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint8_t len_w, uint16_t len_r)
{
t->type = I2CTransTxRx;
t->slave_addr = s_addr;
t->len_w = len_w;
t->len_r = len_r;
i2c_submit(p, t);
return i2c_submit(p, t);
}
sw/airborne/mcu_periph/i2c.h
+8 -6
View File
@@ -176,15 +176,17 @@ extern void i2c_event(void);
* Convenience functions.
* Usually these are preferred over i2c_submit,
* as they explicitly set the transaction type again.
*
* Return FALSE if submitting the transaction failed.
*/
extern void i2c_transmit(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint8_t len);
extern bool_t i2c_transmit(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint8_t len);
extern void i2c_receive(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint16_t len);
extern bool_t i2c_receive(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint16_t len);
extern void i2c_transceive(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint8_t len_w, uint16_t len_r);
extern bool_t i2c_transceive(struct i2c_periph* p, struct i2c_transaction* t,
uint8_t s_addr, uint8_t len_w, uint16_t len_r);
/** @}*/
/** @}*/