Clueboard 60% support (#1746)

[qmk_firmware.git] / keyboards / clueboard_60 / matrix.c

diff --git a/keyboards/clueboard_60/matrix.c b/keyboards/clueboard_60/matrix.c
new file mode 100644 (file)
index 0000000..76a15ca
--- /dev/null
+++ b/keyboards/clueboard_60/matrix.c
@@ -0,0 +1,177 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include "hal.h"
+#include "timer.h"
+#include "wait.h"
+#include "printf.h"
+#include "backlight.h"
+#include "matrix.h"
+
+
+/* Clueboard 60%
+ *
+ * Column pins are input with internal pull-down. 
+ * Row pins are output and strobe with high.
+ * Key is high or 1 when it turns on.
+ *
+ *     col: { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC15, PC14, PC13, PB5, PB6 }
+ *     row: { PB0, PB1, PB2, PA15, PA10 }
+ */
+/* matrix state(1:on, 0:off) */
+static matrix_row_t matrix[MATRIX_ROWS];
+static matrix_row_t matrix_debouncing[MATRIX_COLS];
+static bool debouncing = false;
+static uint16_t debouncing_time = 0;
+
+__attribute__ ((weak))
+void matrix_init_user(void) {}
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {}
+
+__attribute__ ((weak))
+void matrix_init_kb(void) {
+  matrix_init_user();
+}
+
+__attribute__ ((weak))
+void matrix_scan_kb(void) {
+  matrix_scan_user();
+}
+
+void matrix_init(void) {
+    printf("matrix init\n");
+    //debug_matrix = true;
+
+    /* Column(sense) */
+    palSetPadMode(GPIOA, 2,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOA, 3,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOA, 6,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOB, 14, PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOB, 15, PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOA, 8,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOA, 9,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOA, 7,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOB, 3,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOB, 4,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOC, 15, PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOC, 14, PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOC, 13, PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOB, 5,  PAL_MODE_OUTPUT_PUSHPULL);
+    palSetPadMode(GPIOB, 6,  PAL_MODE_OUTPUT_PUSHPULL);
+
+    /* Row(strobe) */
+    palSetPadMode(GPIOB, 0,  PAL_MODE_INPUT_PULLDOWN);
+    palSetPadMode(GPIOB, 1,  PAL_MODE_INPUT_PULLDOWN);
+    palSetPadMode(GPIOB, 2,  PAL_MODE_INPUT_PULLDOWN);
+    palSetPadMode(GPIOA, 15,  PAL_MODE_INPUT_PULLDOWN);
+    palSetPadMode(GPIOA, 10,  PAL_MODE_INPUT_PULLDOWN);
+
+    memset(matrix, 0, MATRIX_ROWS);
+    memset(matrix_debouncing, 0, MATRIX_COLS);
+
+    /* Setup capslock */
+    // palSetPadMode(GPIOB, 7,  PAL_MODE_OUTPUT_PUSHPULL);
+    // palClearPad(GPIOB, 7);
+
+    matrix_init_quantum();
+}
+
+uint8_t matrix_scan(void) {
+    for (int col = 0; col < MATRIX_COLS; col++) {
+        matrix_row_t data = 0;
+
+        // strobe col { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC14, PC15, PC13, PB5, PB6 }
+        switch (col) {
+            case 0: palSetPad(GPIOA, 2); break; 
+            case 1: palSetPad(GPIOA, 3); break; 
+            case 2: palSetPad(GPIOA, 6); break; 
+            case 3: palSetPad(GPIOB, 14); break; 
+            case 4: palSetPad(GPIOB, 15); break; 
+            case 5: palSetPad(GPIOA, 8); break; 
+            case 6: palSetPad(GPIOA, 9); break; 
+            case 7: palSetPad(GPIOA, 7); break; 
+            case 8: palSetPad(GPIOB, 3); break; 
+            case 9: palSetPad(GPIOB, 4); break; 
+            case 10: palSetPad(GPIOC, 15); break; 
+            case 11: palSetPad(GPIOC, 14); break; 
+            case 12: palSetPad(GPIOC, 13); break; 
+            case 13: palSetPad(GPIOB, 5); break; 
+            case 14: palSetPad(GPIOB, 6); break;
+        }
+
+        // need wait to settle pin state
+        wait_us(20);
+
+        // read row data { PB0, PB1, PB2, PA15, PA10 }
+        data = (
+            (palReadPad(GPIOB, 0) << 0 ) |
+            (palReadPad(GPIOB, 1) << 1 ) |
+            (palReadPad(GPIOB, 2) << 2 ) |
+            (palReadPad(GPIOA, 15) << 3 ) |
+            (palReadPad(GPIOA, 10) << 4 )
+        );
+
+        // unstrobe  col { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC15, PC14, PC13, PB5, PB6 }
+        switch (col) {
+            case 0: palClearPad(GPIOA, 2); break; 
+            case 1: palClearPad(GPIOA, 3); break; 
+            case 2: palClearPad(GPIOA, 6); break; 
+            case 3: palClearPad(GPIOB, 14); break; 
+            case 4: palClearPad(GPIOB, 15); break; 
+            case 5: palClearPad(GPIOA, 8); break; 
+            case 6: palClearPad(GPIOA, 9); break; 
+            case 7: palClearPad(GPIOA, 7); break; 
+            case 8: palClearPad(GPIOB, 3); break; 
+            case 9: palClearPad(GPIOB, 4); break; 
+            case 10: palClearPad(GPIOC, 15); break; 
+            case 11: palClearPad(GPIOC, 14); break; 
+            case 12: palClearPad(GPIOC, 13); break; 
+            case 13: palClearPad(GPIOB, 5); break; 
+            case 14: palClearPad(GPIOB, 6); break;
+        }
+
+        if (matrix_debouncing[col] != data) {
+            matrix_debouncing[col] = data;
+            debouncing = true;
+            debouncing_time = timer_read();
+        }
+    }
+    if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
+        for (int row = 0; row < MATRIX_ROWS; row++) {
+            matrix[row] = 0;
+            for (int col = 0; col < MATRIX_COLS; col++) {
+                matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col);
+            }
+        }
+        debouncing = false;
+    }
+
+    matrix_scan_quantum();
+
+    return 1;
+}
+
+bool matrix_is_on(uint8_t row, uint8_t col) {
+    return (matrix[row] & (1<<col));
+}
+
+matrix_row_t matrix_get_row(uint8_t row) {
+    return matrix[row];
+}
+
+void matrix_print(void) {
+    printf("\nr/c 01234567\n");
+    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+        printf("%X0: ", row);
+        matrix_row_t data = matrix_get_row(row);
+        for (int col = 0; col < MATRIX_COLS; col++) {
+            if (data & (1<<col))
+                printf("1");
+            else
+                printf("0");
+        }
+        printf("\n");
+    }
+}