* Align ChibiOS I2C defs with other drivers * Update keyboards/xelus/valor_frl_tkl/config.h Co-authored-by: Ryan <fauxpark@gmail.com> Co-authored-by: Ryan <fauxpark@gmail.com>
		
			
				
	
	
		
			81 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /**
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|  * m20add.c
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|  */
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| 
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| #include "m20add.h"
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| #include "tca6424.h"
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| #include "rgb_ring.h"
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| #include "i2c_master.h"
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| 
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| void set_pin(uint16_t pin)
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| {
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|     uint8_t data = tca6424_read_port(GET_PORT(pin));
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|     data |= ( 1 << GET_PIN(pin));
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|     tca6424_write_port(GET_PORT(pin), data);
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| }
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| 
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| void clear_pin(uint16_t pin)
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| {
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|     uint8_t data = tca6424_read_port(GET_PORT(pin));
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|     data &= ~( 1 << GET_PIN(pin));
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|     tca6424_write_port(GET_PORT(pin), data);
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| }
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| 
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| uint8_t read_pin(uint16_t pin)
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| {
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|     uint8_t data = tca6424_read_port(GET_PORT(pin));
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|     return (data & (1<<GET_PIN(pin))) ? 1 : 0;
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| }
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| 
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| void matrix_init_kb(void) {
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| #ifdef RGBLIGHT_ENABLE
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|     rgb_ring_init();
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| #endif
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|     matrix_init_user();
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| }
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| 
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| void matrix_scan_kb(void) {
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| #ifdef RGBLIGHT_ENABLE
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|     rgb_ring_task();
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| #endif
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|     matrix_scan_user();
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| }
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| 
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| static uint16_t caps_lock_pin = DEF_PIN(TCA6424_PORT2, 3);
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| static uint16_t scroll_lock_pin = DEF_PIN(TCA6424_PORT0, 1);
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| 
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| bool led_update_kb(led_t led_state) {
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|     bool res = led_update_user(led_state);
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|     if (res) {
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|         led_state.caps_lock ? set_pin(caps_lock_pin) : clear_pin(caps_lock_pin);
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|         led_state.scroll_lock ? set_pin(scroll_lock_pin) : clear_pin(scroll_lock_pin);
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|     }
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|     return res;
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| }
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| 
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| // override the default implementation to avoid re-initialization
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| void i2c_init(void)
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| {
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|     static bool initialized = false;
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|     if (initialized) {
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|         return;
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|     } else {
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|         initialized = true;
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|     }
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| 
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|     // Try releasing special pins for a short time
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|     palSetLineMode(I2C1_SCL_PIN, PAL_MODE_INPUT);
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|     palSetLineMode(I2C1_SDA_PIN, PAL_MODE_INPUT);
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| 
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|     chThdSleepMilliseconds(10);
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|     palSetLineMode(I2C1_SCL_PIN, PAL_MODE_ALTERNATE(I2C1_SCL_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
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|     palSetLineMode(I2C1_SDA_PIN, PAL_MODE_ALTERNATE(I2C1_SDA_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
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| }
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| 
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| #define REBOOT_MAGIC 0x41544B42
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| void shutdown_user(void)
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| {
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|     // set the magic number for resetting to the bootloader
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|     *(uint32_t *)(&(RTCD1.rtc->BKP0R)) = REBOOT_MAGIC;
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| }
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