[Keyboard] fixed pins for numpad_5x4 layout (#6311)

[qmk_firmware.git] / drivers / avr / i2c_master.h

diff --git a/drivers/avr/i2c_master.h b/drivers/avr/i2c_master.h
index 0806d76aa9469a2320ff9afc0a165e50b04eb0be..b4613115d9a15861972a19656f1159a5206c0720 100755 (executable)
--- a/drivers/avr/i2c_master.h
+++ b/drivers/avr/i2c_master.h
@@ -14,15 +14,18 @@ typedef int16_t i2c_status_t;
 #define I2C_STATUS_ERROR   (-1)
 #define I2C_STATUS_TIMEOUT (-2)
 
+#define I2C_TIMEOUT_IMMEDIATE (0)
+#define I2C_TIMEOUT_INFINITE (0xFFFF)
+
 void i2c_init(void);
 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);
-i2c_status_t i2c_stop(uint16_t timeout);
+void i2c_stop(void);
 
 #endif // I2C_MASTER_H