diff options
| author | Ryan Caltabiano <rcalt2vt@gmail.com> | 2019-04-15 22:32:57 -0500 |
|---|---|---|
| committer | Drashna Jaelre <drashna@live.com> | 2019-04-22 09:55:39 -0700 |
| commit | 95f8ac3424871c1ffed11e51f5fba66a192daeb0 (patch) | |
| tree | c24fdff8dd91915679ecf8e5d1537698bc883275 /drivers/avr | |
| parent | 0a04a0e4191419455fadfeadaaec6696d9dea890 (diff) | |
OLED Driver Feature
Diffstat (limited to 'drivers/avr')
| -rwxr-xr-x | drivers/avr/i2c_master.c | 4 | ||||
| -rwxr-xr-x | drivers/avr/i2c_master.h | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/avr/i2c_master.c b/drivers/avr/i2c_master.c index 0db949db4a..6137f9b15f 100755 --- a/drivers/avr/i2c_master.c +++ b/drivers/avr/i2c_master.c @@ -109,7 +109,7 @@ int16_t i2c_read_nack(uint16_t timeout) { return TWDR; } -i2c_status_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout) { +i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout) { i2c_status_t status = i2c_start(address | I2C_WRITE, timeout); for (uint16_t i = 0; i < length && status >= 0; i++) { @@ -143,7 +143,7 @@ i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16 return (status < 0) ? status : I2C_STATUS_SUCCESS; } -i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout) { +i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout) { i2c_status_t status = i2c_start(devaddr | 0x00, timeout); if (status >= 0) { status = i2c_write(regaddr, timeout); diff --git a/drivers/avr/i2c_master.h b/drivers/avr/i2c_master.h index 81a7fb5e32..b4613115d9 100755 --- a/drivers/avr/i2c_master.h +++ b/drivers/avr/i2c_master.h @@ -22,10 +22,10 @@ i2c_status_t i2c_start(uint8_t address, uint16_t timeout); i2c_status_t i2c_write(uint8_t data, uint16_t timeout); int16_t i2c_read_ack(uint16_t timeout); int16_t i2c_read_nack(uint16_t timeout); -i2c_status_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout); +i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout); i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout); -i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout); +i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout); i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout); void i2c_stop(void); -#endif // I2C_MASTER_H
\ No newline at end of file +#endif // I2C_MASTER_H |