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/*
Copyright 2018 Massdrop Inc.
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/>.
*/
#ifndef _I2C_MASTER_H_
#define _I2C_MASTER_H_
#ifndef MD_BOOTLOADER
# include "samd51j18a.h"
# include "issi3733_driver.h"
# include "config.h"
extern __attribute__((__aligned__(16))) DmacDescriptor dmac_desc;
extern __attribute__((__aligned__(16))) DmacDescriptor dmac_desc_wb;
uint8_t I2C3733_Init_Control(void);
uint8_t I2C3733_Init_Drivers(void);
void I2C3733_Control_Set(uint8_t state);
void I2C_DMAC_LED_Init(void);
# define I2C_Q_SIZE 100
# define I2C_Q_NA 100
# define I2C_Q_CRWL 101
# define I2C_Q_PAGE_SELECT 102
# define I2C_Q_PWM 103
# define I2C_Q_GCR 104
# define I2C_Q_ONOFF 105
# define I2C_DMA_MAX_SEND 255
extern volatile uint8_t i2c_led_q_running;
# define I2C_LED_Q_PWM(a) \
{ \
if (i2c_led_q_request_room(7)) { \
i2c_led_q_add(I2C_Q_CRWL); \
i2c_led_q_add(a); \
i2c_led_q_add(I2C_Q_PAGE_SELECT); \
i2c_led_q_add(a); \
i2c_led_q_add(ISSI3733_PG_PWM); \
i2c_led_q_add(I2C_Q_PWM); \
i2c_led_q_add(a); \
} \
}
# define I2C_LED_Q_GCR(a) \
{ \
if (i2c_led_q_request_room(7)) { \
i2c_led_q_add(I2C_Q_CRWL); \
i2c_led_q_add(a); \
i2c_led_q_add(I2C_Q_PAGE_SELECT); \
i2c_led_q_add(a); \
i2c_led_q_add(ISSI3733_PG_FN); \
i2c_led_q_add(I2C_Q_GCR); \
i2c_led_q_add(a); \
} \
}
# define I2C_LED_Q_ONOFF(a) \
{ \
if (i2c_led_q_request_room(7)) { \
i2c_led_q_add(I2C_Q_CRWL); \
i2c_led_q_add(a); \
i2c_led_q_add(I2C_Q_PAGE_SELECT); \
i2c_led_q_add(a); \
i2c_led_q_add(ISSI3733_PG_ONOFF); \
i2c_led_q_add(I2C_Q_ONOFF); \
i2c_led_q_add(a); \
} \
}
void i2c_led_q_init(void);
void i2c_led_q_add(uint8_t cmd);
void i2c_led_q_s_advance(void);
uint8_t i2c_led_q_size(void);
uint8_t i2c_led_q_request_room(uint8_t request_size);
uint8_t i2c_led_q_run(void);
void i2c1_init(void);
uint8_t i2c1_transmit(uint8_t address, uint8_t *data, uint16_t length, uint16_t timeout);
void i2c1_stop(void);
#endif // MD_BOOTLOADER
void i2c0_init(void);
uint8_t i2c0_transmit(uint8_t address, uint8_t *data, uint16_t length, uint16_t timeout);
void i2c0_stop(void);
// Terrible interface compatiblity...
#define I2C_STATUS_SUCCESS (0)
#define I2C_STATUS_ERROR (-1)
typedef int16_t i2c_status_t;
void i2c_init(void);
i2c_status_t i2c_transmit(uint8_t address, const uint8_t *data, uint16_t length, uint16_t timeout);
#endif // _I2C_MASTER_H_
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