114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/*
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Copyright 2018 Massdrop Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _I2C_MASTER_H_
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#define _I2C_MASTER_H_
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#ifndef MD_BOOTLOADER
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# include "samd51j18a.h"
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# include "issi3733_driver.h"
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# include "config.h"
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extern __attribute__((__aligned__(16))) DmacDescriptor dmac_desc;
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extern __attribute__((__aligned__(16))) DmacDescriptor dmac_desc_wb;
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uint8_t I2C3733_Init_Control(void);
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uint8_t I2C3733_Init_Drivers(void);
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void I2C3733_Control_Set(uint8_t state);
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void I2C_DMAC_LED_Init(void);
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# define I2C_Q_SIZE 100
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# define I2C_Q_NA 100
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# define I2C_Q_CRWL 101
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# define I2C_Q_PAGE_SELECT 102
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# define I2C_Q_PWM 103
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# define I2C_Q_GCR 104
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# define I2C_Q_ONOFF 105
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# define I2C_DMA_MAX_SEND 255
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extern volatile uint8_t i2c_led_q_running;
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# define I2C_LED_Q_PWM(a) \
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{ \
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if (i2c_led_q_request_room(7)) { \
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i2c_led_q_add(I2C_Q_CRWL); \
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i2c_led_q_add(a); \
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i2c_led_q_add(I2C_Q_PAGE_SELECT); \
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i2c_led_q_add(a); \
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i2c_led_q_add(ISSI3733_PG_PWM); \
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i2c_led_q_add(I2C_Q_PWM); \
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i2c_led_q_add(a); \
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} \
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}
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# define I2C_LED_Q_GCR(a) \
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{ \
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if (i2c_led_q_request_room(7)) { \
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i2c_led_q_add(I2C_Q_CRWL); \
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i2c_led_q_add(a); \
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i2c_led_q_add(I2C_Q_PAGE_SELECT); \
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i2c_led_q_add(a); \
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i2c_led_q_add(ISSI3733_PG_FN); \
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i2c_led_q_add(I2C_Q_GCR); \
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i2c_led_q_add(a); \
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} \
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}
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# define I2C_LED_Q_ONOFF(a) \
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{ \
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if (i2c_led_q_request_room(7)) { \
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i2c_led_q_add(I2C_Q_CRWL); \
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i2c_led_q_add(a); \
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i2c_led_q_add(I2C_Q_PAGE_SELECT); \
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i2c_led_q_add(a); \
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i2c_led_q_add(ISSI3733_PG_ONOFF); \
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i2c_led_q_add(I2C_Q_ONOFF); \
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i2c_led_q_add(a); \
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} \
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}
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void i2c_led_q_init(void);
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void i2c_led_q_add(uint8_t cmd);
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void i2c_led_q_s_advance(void);
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uint8_t i2c_led_q_size(void);
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uint8_t i2c_led_q_request_room(uint8_t request_size);
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uint8_t i2c_led_q_run(void);
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void i2c1_init(void);
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uint8_t i2c1_transmit(uint8_t address, uint8_t *data, uint16_t length, uint16_t timeout);
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void i2c1_stop(void);
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#endif // MD_BOOTLOADER
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void i2c0_init(void);
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uint8_t i2c0_transmit(uint8_t address, uint8_t *data, uint16_t length, uint16_t timeout);
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void i2c0_stop(void);
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// Terrible interface compatiblity...
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#define I2C_STATUS_SUCCESS (0)
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#define I2C_STATUS_ERROR (-1)
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typedef int16_t i2c_status_t;
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void i2c_init(void);
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i2c_status_t i2c_transmit(uint8_t address, const uint8_t *data, uint16_t length, uint16_t timeout);
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#endif // _I2C_MASTER_H_
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