45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Copyright 2018 Jack Humbert
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "ch.h"
|
|
#include "hal.h"
|
|
|
|
#ifndef I2C_DRIVER
|
|
#define I2C_DRIVER I2CD1
|
|
#endif
|
|
|
|
#define slaveI2Caddress 0x30 /* Address in our terms - halved by later code */
|
|
//#define myOtherI2Caddress 0x19
|
|
|
|
#ifdef I2C_SLAVE_ENABLE
|
|
|
|
I2CSlaveMsgCB twi2c_slave_message_process, catchError, clearAfterSend;
|
|
|
|
void twi2c_slave_init(void);
|
|
|
|
#endif
|
|
|
|
void twi2c_init(void);
|
|
uint8_t twi2c_start(uint8_t address);
|
|
uint8_t twi2c_write(uint8_t data);
|
|
uint8_t twi2c_read_ack(void);
|
|
uint8_t twi2c_read_nack(void);
|
|
uint8_t twi2c_transmit(uint8_t address, uint8_t* data, uint16_t length);
|
|
uint8_t twi2c_receive(uint8_t address, uint8_t* data, uint16_t length);
|
|
uint8_t twi2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
|
|
uint8_t twi2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length);
|
|
void twi2c_stop(void);
|