diff options
Diffstat (limited to 'tmk_core/protocol/arm_atsam/i2c_master.h')
| -rw-r--r-- | tmk_core/protocol/arm_atsam/i2c_master.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/tmk_core/protocol/arm_atsam/i2c_master.h b/tmk_core/protocol/arm_atsam/i2c_master.h new file mode 100644 index 0000000000..99481366a5 --- /dev/null +++ b/tmk_core/protocol/arm_atsam/i2c_master.h @@ -0,0 +1,108 @@ +/* +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" + +__attribute__((__aligned__(16))) +DmacDescriptor dmac_desc; +__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); + +#endif // _I2C_MASTER_H_ + |