This adds basic support for JM60 RGB PCB that was sold by KBDfans https://kbdfans.myshopify.com/ https://www.aliexpress.com/store/product/JM60-RGB60-Custom-mechanical-keyboard-PCB-ANSI/2230037_32810956675.html No support for RGB Backlight yet.
		
			
				
	
	
		
			129 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <stdint.h>
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| #include <stdbool.h>
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| #include <string.h>
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| #include "hal.h"
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| #include "timer.h"
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| #include "wait.h"
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| #include "print.h"
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| #include "matrix.h"
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| 
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| 
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| /*
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|  * JM60
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|  * Column pins are input with internal pull-down. Row pins are output and strobe with high.
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|  * Key is high or 1 when it turns on.
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|  *
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|  *     col: { PTA15, PTC10, PTC11, PTC12, PTD2, PTB3, PTB4, PTB5, PTB6, PTB7, PTB8, PTB9, PTA2, PTA3 }
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|  *     row: { PTB11, PTB10, PTB2, PTB1, PTB0}
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|  */
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| /* matrix state(1:on, 0:off) */
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| static matrix_row_t matrix[MATRIX_ROWS];
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| static matrix_row_t matrix_debouncing[MATRIX_ROWS];
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| static bool debouncing = false;
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| static uint16_t debouncing_time = 0;
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| 
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| 
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| void matrix_init(void)
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| {
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| //debug_matrix = true;
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|     /* Column(sense) */
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|     palSetPadMode(GPIOA, 15,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOC, 10,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOC, 11,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOC, 12,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOD, 2,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOB, 3,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOB, 4,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOB, 5,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOB, 6,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOB, 7,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOB, 8,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOB, 9,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOA, 2,  PAL_MODE_INPUT_PULLDOWN);
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|     palSetPadMode(GPIOA, 3,  PAL_MODE_INPUT_PULLDOWN);
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| 
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|     /* Row(strobe) */
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|     palSetPadMode(GPIOB, 11,  PAL_MODE_OUTPUT_PUSHPULL);
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|     palSetPadMode(GPIOB, 10,  PAL_MODE_OUTPUT_PUSHPULL);
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|     palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
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|     palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL);
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|     palSetPadMode(GPIOB, 0,  PAL_MODE_OUTPUT_PUSHPULL);
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| 
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|     memset(matrix, 0, MATRIX_ROWS);
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|     memset(matrix_debouncing, 0, MATRIX_ROWS);
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| }
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| 
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| uint8_t matrix_scan(void)
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| {
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|     for (int row = 0; row < MATRIX_ROWS; row++) {
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|         matrix_row_t data = 0;
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| 
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|         // strobe row
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|         switch (row) {
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|             case 0: palSetPad(GPIOB, 11);    break;
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|             case 1: palSetPad(GPIOB, 10);    break;
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|             case 2: palSetPad(GPIOB, 2);   	break;
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|             case 3: palSetPad(GPIOB, 1);   break;
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|             case 4: palSetPad(GPIOB, 0);    break;
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|         }
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| 
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|         wait_us(20); // need wait to settle pin state
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| 
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|         // read col data: { PTA15, PTC10, PTC11, PTC12, PTD2, PTB3, PTB4, PTB5, PTB6, PTB7, PTB8, PTB9, PTA2, PTA3 }
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|         data = ((palReadPort(GPIOA) & 0x8000UL) >> 15) |	// 0
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|         	   ((palReadPort(GPIOC) & 0x1C00UL) >> 9) |		// 1, 2, 3
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| 			   ((palReadPort(GPIOD) & 0x0004UL) << 2) |		// 4
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| 			   ((palReadPort(GPIOB) & 0x03F8UL) << 2) |		// 5, 6, 7, 8, 9, 10, 11
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| 			   ((palReadPort(GPIOA) & 0x000CUL) << 10);    // 12, 13
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| 
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|         // un-strobe row
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|         switch (row) {
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|         	case 0: palClearPad(GPIOB, 11);    break;
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|         	case 1: palClearPad(GPIOB, 10);    break;
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|         	case 2: palClearPad(GPIOB, 2);	  break;
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|         	case 3: palClearPad(GPIOB, 1);   break;
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|         	case 4: palClearPad(GPIOB, 0);    break;
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|         }
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| 
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|         if (matrix_debouncing[row] != data) {
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|             matrix_debouncing[row] = data;
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|             debouncing = true;
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|             debouncing_time = timer_read();
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|         }
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|     }
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| 
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|     if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
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|         for (int row = 0; row < MATRIX_ROWS; row++) {
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|             matrix[row] = matrix_debouncing[row];
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|         }
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|         debouncing = false;
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|     }
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|     return 1;
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| }
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| 
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| bool matrix_is_on(uint8_t row, uint8_t col)
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| {
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|     return (matrix[row] & (1<<col));
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| }
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| 
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| matrix_row_t matrix_get_row(uint8_t row)
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| {
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|     return matrix[row];
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| }
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| 
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| void matrix_print(void)
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| {
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|     xprintf("\nr/c 01234567\n");
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|     for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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|         xprintf("%X0: ", row);
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|         matrix_row_t data = matrix_get_row(row);
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|         for (int col = 0; col < MATRIX_COLS; col++) {
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|             if (data & (1<<col))
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|                 xprintf("1");
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|             else
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|                 xprintf("0");
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|         }
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|         xprintf("\n");
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|     }
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| }
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