/*
-Copyright 2017 Mathias Andersson <wraul@dbox.se>
+Copyright 2017-2019 Mathias Andersson <wraul@dbox.se>
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
*/
#include <stdint.h>
#include <stdbool.h>
-#if defined(__AVR__)
-#include <avr/io.h>
-#endif
#include "wait.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"
-#include "timer.h"
-
-
-/* Set 0 if debouncing isn't needed */
-#ifndef DEBOUNCE
-# define DEBOUNCE 5
+#include "debounce.h"
+#include "quantum.h"
+
+#if (MATRIX_COLS <= 8)
+# define print_matrix_header() print("\nr/c 01234567\n")
+# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop(matrix[i])
+# define ROW_SHIFTER ((uint8_t)1)
+#elif (MATRIX_COLS <= 16)
+# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
+# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop16(matrix[i])
+# define ROW_SHIFTER ((uint16_t)1)
+#elif (MATRIX_COLS <= 32)
+# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
+# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop32(matrix[i])
+# define ROW_SHIFTER ((uint32_t)1)
#endif
-#define COL_SHIFTER ((uint32_t)1)
-
-static uint16_t debouncing_time;
-static bool debouncing = false;
-
-
-static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
+static matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
+static matrix_row_t matrix[MATRIX_ROWS]; // debounced values
-static void init_rows(void);
-static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col);
-static void unselect_cols(void);
-static void select_col(uint8_t col);
+__attribute__((weak)) void matrix_init_quantum(void) { matrix_init_kb(); }
-inline
-uint8_t matrix_rows(void) {
- return MATRIX_ROWS;
-}
+__attribute__((weak)) void matrix_scan_quantum(void) { matrix_scan_kb(); }
-inline
-uint8_t matrix_cols(void) {
- return MATRIX_COLS;
-}
+__attribute__((weak)) void matrix_init_kb(void) { matrix_init_user(); }
-void matrix_init(void) {
- unselect_cols();
- init_rows();
+__attribute__((weak)) void matrix_scan_kb(void) { matrix_scan_user(); }
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- matrix[i] = 0;
- matrix_debouncing[i] = 0;
- }
+__attribute__((weak)) void matrix_init_user(void) {}
- matrix_init_quantum();
-}
+__attribute__((weak)) void matrix_scan_user(void) {}
-uint8_t matrix_scan(void)
-{
- // Set col, read rows
- for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
- bool matrix_changed = read_rows_on_col(matrix_debouncing, current_col);
- if (matrix_changed) {
- debouncing = true;
- debouncing_time = timer_read();
- }
- }
-
- if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCE)) {
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- matrix[i] = matrix_debouncing[i];
- }
- debouncing = false;
- }
+inline uint8_t matrix_rows(void) { return MATRIX_ROWS; }
- matrix_scan_quantum();
- return 1;
-}
+inline uint8_t matrix_cols(void) { return MATRIX_COLS; }
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & ((matrix_row_t)1<<col));
-}
+inline bool matrix_is_on(uint8_t row, uint8_t col) { return (matrix[row] & ((matrix_row_t)1 << col)); }
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
- return matrix[row];
-}
+inline matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; }
-void matrix_print(void)
-{
- print("\nr/c 0123456789ABCDEFGHIJKLMNOPQRSTUV\n");
+void matrix_print(void) {
+ print_matrix_header();
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- phex(row); print(": ");
- print_bin_reverse32(matrix_get_row(row));
+ phex(row);
+ print(": ");
+ print_matrix_row(row);
print("\n");
}
}
-uint8_t matrix_key_count(void)
-{
+uint8_t matrix_key_count(void) {
uint8_t count = 0;
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop32(matrix[i]);
+ count += matrix_bitpop(i);
}
return count;
}
-static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
-{
+/* Columns 0 - 15
+ * These columns uses two 74HC237D 3 to 8 bit demultiplexers.
+ * col / pin: PB6 PC6 PC7 PF1 PF0
+ * 0: 0 1 0 0 0
+ * 1: 0 1 0 0 1
+ * 2: 0 1 0 1 0
+ * 3: 0 1 0 1 1
+ * 4: 0 1 1 0 0
+ * 5: 0 1 1 0 1
+ * 6: 0 1 1 1 0
+ * 7: 0 1 1 1 1
+ * 8: 1 0 0 0 0
+ * 9: 1 0 0 0 1
+ * 10: 1 0 0 1 0
+ * 11: 1 0 0 1 1
+ * 12: 1 0 1 0 0
+ * 13: 1 0 1 0 1
+ * 14: 1 0 1 1 0
+ * 15: 1 0 1 1 1
+ *
+ * col: 16
+ * pin: PB5
+ */
+static void unselect_cols(void) {
+ for (uint8_t x = 0; x < 6; x++) {
+ setPinOutput(col_pins[x]);
+ writePinLow(col_pins[x]);
+ }
+}
+
+static void select_col(uint8_t col) {
+ if (col < 16) {
+ uint8_t c = col + 8;
+
+ writePin(B6, c & 0b10000);
+ writePin(C6, c & 0b01000);
+ writePin(C7, c & 0b00100);
+ writePin(F1, c & 0b00010);
+ writePin(F0, c & 0b00001);
+ } else {
+ writePinHigh(B5);
+ }
+}
+
+/* Row pin configuration
+ * row: 0 1 2 3 4 5
+ * pin: D0 D1 D2 D3 D5 B7
+ *
+ * Caps lock uses its own pin E2
+ */
+static void init_pins(void) {
+ unselect_cols();
+ for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
+ setPinInput(row_pins[x]);
+ }
+
+ setPinInputHigh(E2);
+}
+
+static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
bool matrix_changed = false;
// Select col and wait for col selecton to stabilize
wait_us(30);
// For each row...
- for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++)
- {
+ for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
// Store last value of row prior to reading
matrix_row_t last_row_value = current_matrix[row_index];
// Check row pin state
// Use the otherwise unused row: 3, col: 0 for caps lock
if (row_index == 3 && current_col == 0) {
- // Pin E2 uses active low
- if ((_SFR_IO8(E2 >> 4) & _BV(E2 & 0xF)) == 0)
- {
+ if (readPin(E2) == 0) {
// Pin LO, set col bit
- current_matrix[row_index] |= (COL_SHIFTER << current_col);
- }
- else
- {
+ current_matrix[row_index] |= (ROW_SHIFTER << current_col);
+ } else {
// Pin HI, clear col bit
- current_matrix[row_index] &= ~(COL_SHIFTER << current_col);
+ current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
}
- }
- else {
- if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)))
- {
- // Pin HI, set col bit
- current_matrix[row_index] |= (COL_SHIFTER << current_col);
- }
- else
- {
- // Pin LO, clear col bit
- current_matrix[row_index] &= ~(COL_SHIFTER << current_col);
+ } else {
+ if (readPin(row_pins[row_index]) == 0) {
+ // Pin HI, clear col bit
+ current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
+ } else {
+ // Pin LO, set col bit
+ current_matrix[row_index] |= (ROW_SHIFTER << current_col);
}
}
// Determine if the matrix changed state
- if ((last_row_value != current_matrix[row_index]) && !(matrix_changed))
- {
+ if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) {
matrix_changed = true;
}
}
return matrix_changed;
}
-/* Row pin configuration
- * row: 0 1 2 3 4 5
- * pin: D0 D1 D2 D3 D5 B7
- *
- * Caps lock uses its own pin E2
- */
-static void init_rows(void)
-{
- DDRD &= ~((1<<0)| (1<<1) | (1<<2) | (1<<3) | (1<<5)); // IN
- PORTD &= ~((1<<0)| (1<<1) | (1<<2) | (1<<3) | (1<<5)); // LO
- DDRB &= ~(1<<7); // IN
- PORTB &= ~(1<<7); // LO
-
- DDRE &= ~(1<<2); // IN
- PORTE |= (1<<2); // HI
-}
+void matrix_init(void) {
+ // initialize key pins
+ init_pins();
-/* Columns 0 - 15
- * These columns uses two 74HC237D 3 to 8 bit demultiplexers.
- * col / pin: PC6 PB6 PF0 PF1 PC7
- * 0: 1 0 0 0 0
- * 1: 1 0 1 0 0
- * 2: 1 0 0 1 0
- * 3: 1 0 1 1 0
- * 4: 1 0 0 0 1
- * 5: 1 0 1 0 1
- * 6: 1 0 0 1 1
- * 7: 1 0 1 1 1
- * 8: 0 1 0 0 0
- * 9: 0 1 1 0 0
- * 10: 0 1 0 1 0
- * 11: 0 1 1 1 0
- * 12: 0 1 0 0 1
- * 13: 0 1 1 0 1
- * 14: 0 1 0 1 1
- * 15: 0 1 1 1 1
- *
- * col: 16
- * pin: PB5
- */
-static void unselect_cols(void)
-{
- DDRB |= (1<<5) | (1<<6); // OUT
- PORTB &= ~((1<<5) | (1<<6)); // LO
+ // initialize matrix state: all keys off
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ raw_matrix[i] = 0;
+ matrix[i] = 0;
+ }
- DDRC |= (1<<6) | (1<<7); // OUT
- PORTC &= ~((1<<6) | (1<<7)); // LO
+ debounce_init(MATRIX_ROWS);
- DDRF |= (1<<0) | (1<<1); // OUT
- PORTF &= ~((1<<0) | (1<<1)); // LO
+ matrix_init_quantum();
}
-static void select_col(uint8_t col)
-{
- switch (col) {
- case 0:
- PORTC |= (1<<6); // HI
- break;
- case 1:
- PORTC |= (1<<6); // HI
- PORTF |= (1<<0); // HI
- break;
- case 2:
- PORTC |= (1<<6); // HI
- PORTF |= (1<<1); // HI
- break;
- case 3:
- PORTC |= (1<<6); // HI
- PORTF |= (1<<0) | (1<<1); // HI
- break;
- case 4:
- PORTC |= (1<<6); // HI
- PORTC |= (1<<7); // HI
- break;
- case 5:
- PORTC |= (1<<6); // HI
- PORTF |= (1<<0); // HI
- PORTC |= (1<<7); // HI
- break;
- case 6:
- PORTC |= (1<<6); // HI
- PORTF |= (1<<1); // HI
- PORTC |= (1<<7); // HI
- break;
- case 7:
- PORTC |= (1<<6); // HI
- PORTF |= (1<<0) | (1<<1); // HI
- PORTC |= (1<<7); // HI
- break;
- case 8:
- PORTB |= (1<<6); // HI
- break;
- case 9:
- PORTB |= (1<<6); // HI
- PORTF |= (1<<0); // HI
- break;
- case 10:
- PORTB |= (1<<6); // HI
- PORTF |= (1<<1); // HI
- break;
- case 11:
- PORTB |= (1<<6); // HI
- PORTF |= (1<<0) | (1<<1); // HI
- break;
- case 12:
- PORTB |= (1<<6); // HI
- PORTC |= (1<<7); // HI
- break;
- case 13:
- PORTB |= (1<<6); // HI
- PORTF |= (1<<0); // HI
- PORTC |= (1<<7); // HI
- break;
- case 14:
- PORTB |= (1<<6); // HI
- PORTF |= (1<<1); // HI
- PORTC |= (1<<7); // HI
- break;
- case 15:
- PORTB |= (1<<6); // HI
- PORTF |= (1<<0) | (1<<1); // HI
- PORTC |= (1<<7); // HI
- break;
- case 16:
- PORTB |= (1<<5); // HI
- break;
+uint8_t matrix_scan(void) {
+ bool changed = false;
+
+ for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
+ changed |= read_rows_on_col(raw_matrix, current_col);
}
+
+ debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
+
+ matrix_scan_quantum();
+
+ return (uint8_t)changed;
}
projects / qmk_firmware.git / blobdiff