-//TODO(gabe): customize for frosty flake
-
/*
- Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
+ Copyright 2017 Gabriel Young <gabeplaysdrums@live.com>
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
static matrix_row_t matrix[MATRIX_ROWS];
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-static uint8_t read_rows(void);
-static void select_col(uint8_t col);
-
-inline uint8_t matrix_rows(void) {
- return MATRIX_ROWS;
+static matrix_row_t scan_col(void) {
+ return (
+ (PINC&(1<<7) ? 0 : ((matrix_row_t)1<<0)) |
+ (PINB&(1<<5) ? 0 : ((matrix_row_t)1<<1)) |
+ (PINB&(1<<4) ? 0 : ((matrix_row_t)1<<2)) |
+ (PINB&(1<<6) ? 0 : ((matrix_row_t)1<<3)) |
+ (PINB&(1<<1) ? 0 : ((matrix_row_t)1<<4)) |
+ (PINB&(1<<2) ? 0 : ((matrix_row_t)1<<5)) |
+ (PINB&(1<<3) ? 0 : ((matrix_row_t)1<<6)) |
+ (PINB&(1<<0) ? 0 : ((matrix_row_t)1<<7))
+ );
}
-inline uint8_t matrix_cols(void) {
- return MATRIX_COLS;
+static void select_col(uint8_t col) {
+ switch (col) {
+ case 0: PORTD = (PORTD & ~0b01111011) | 0b00011011; break;
+ case 1: PORTD = (PORTD & ~0b01111011) | 0b01000011; break;
+ case 2: PORTD = (PORTD & ~0b01111011) | 0b01101010; break;
+ case 3: PORTD = (PORTD & ~0b01111011) | 0b01111001; break;
+ case 4: PORTD = (PORTD & ~0b01111011) | 0b01100010; break;
+ case 5: PORTD = (PORTD & ~0b01111011) | 0b01110001; break;
+ case 6: PORTD = (PORTD & ~0b01111011) | 0b01100001; break;
+ case 7: PORTD = (PORTD & ~0b01111011) | 0b01110000; break;
+ case 8: PORTD = (PORTD & ~0b01111011) | 0b01100000; break;
+ case 9: PORTD = (PORTD & ~0b01111011) | 0b01101000; break;
+ case 10: PORTD = (PORTD & ~0b01111011) | 0b00101011; break;
+ case 11: PORTD = (PORTD & ~0b01111011) | 0b00110011; break;
+ case 12: PORTD = (PORTD & ~0b01111011) | 0b00100011; break;
+ case 13: PORTD = (PORTD & ~0b01111011) | 0b01111000; break;
+ case 14: PORTD = (PORTD & ~0b01111011) | 0b00010011; break;
+ case 15: PORTD = (PORTD & ~0b01111011) | 0b01101001; break;
+ case 16: PORTD = (PORTD & ~0b01111011) | 0b00001011; break;
+ case 17: PORTD = (PORTD & ~0b01111011) | 0b00111011; break;
+ }
}
-/* Column pin configuration
- *
- * col: 0 1 2 3 4 5 6 7
- * pin: PC7 PD5 PD3 PD1 PC2 PD6 PD4 PD2
- *
- * Rrr pin configuration
- *
- * These rrrs uses one 74HC154 4 to 16 bit demultiplexer (low
- * active), together with 2 rrrs driven directly from the micro
- * controller, to control the 18 rrrs. The rrrs are driven from
- * pins B6,5,4,3,2,1,0.
- */
void matrix_init(void) {
- DDRC &= ~0b10000100; // Row input pins
- DDRD &= ~0b01111110;
- PORTC |= 0b10000100;
- PORTD |= 0b01111110;
-
- DDRB |= 0b01111111; // Column output pins
-
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- matrix[i] = 0;
- matrix_debouncing[i] = 0;
- }
- matrix_init_quantum();
+ /* Row output pins */
+ DDRD |= 0b01111011;
+ /* Column input pins */
+ DDRC &= ~0b10000000;
+ DDRB &= ~0b01111111;
+ PORTC |= 0b10000000;
+ PORTB |= 0b01111111;
+
+ for (uint8_t i=0; i < MATRIX_ROWS; i++)
+ matrix[i] = matrix_debouncing[i] = 0;
+
+ matrix_init_quantum();
}
uint8_t matrix_scan(void) {
- for (uint8_t col = 0; col < MATRIX_COLS; col++) {
- select_col(col);
- _delay_us(3);
- uint8_t rows = read_rows();
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
- bool curr_bit = rows & (1<<row);
- if (prev_bit != curr_bit) {
- matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
- debouncing = DEBOUNCING_DELAY;
- }
+ for (uint8_t col = 0; col < MATRIX_COLS; col++) {
+ select_col(col);
+ _delay_us(3);
+ matrix_row_t col_scan = scan_col();
+ for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+ bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
+ bool curr_bit = col_scan & (1<<row);
+ if (prev_bit != curr_bit) {
+ matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
+ debouncing = DEBOUNCING_DELAY;
+ }
+ }
}
- }
-
- if (debouncing) {
- if (--debouncing) {
- _delay_ms(1);
- }
- else {
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- matrix[i] = matrix_debouncing[i];
- }
- }
- }
- matrix_scan_quantum();
- return 1;
-}
-bool matrix_is_modified(void) {
- if (debouncing)
- return false;
- else
- return true;
-}
+ if (debouncing) {
+ if (--debouncing)
+ _delay_ms(1);
+ else
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++)
+ matrix[i] = matrix_debouncing[i];
+ }
-inline bool matrix_is_on(uint8_t row, uint8_t col) {
- return (matrix[row] & ((matrix_row_t)1<<col));
+ matrix_scan_quantum();
+ return 1;
}
inline matrix_row_t matrix_get_row(uint8_t row) {
- return matrix[row];
+ return matrix[row];
}
void matrix_print(void) {
- print("\nr/c 0123456789ABCDEF\n");
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row)));
- }
+#ifndef NO_PRINT
+ print("\nr\\c ABCDEFGHIJKLMNOPQR\n");
+ for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+ matrix_row_t matrix_row = matrix_get_row(row);
+ xprintf("%02X: ", row);
+ for (uint8_t col = 0; col < MATRIX_COLS; col++) {
+ bool curr_bit = matrix_row & (1<<col);
+ xprintf("%c", curr_bit ? '*' : '.');
+ }
+ print("\n");
+ }
+#endif
}
uint8_t matrix_key_count(void) {
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop32(matrix[i]);
- }
- return count;
+ uint8_t count = 0;
+ for (uint8_t row = 0; row < MATRIX_ROWS; row++)
+ count += bitpop32(matrix[row]);
+ return count;
}
-
-static uint8_t read_rows(void) {
- return
- (PINC&(1<<7) ? 0 : (1<<0)) |
- (PIND&(1<<5) ? 0 : (1<<1)) |
- (PIND&(1<<3) ? 0 : (1<<2)) |
- (PIND&(1<<1) ? 0 : (1<<3)) |
- (PINC&(1<<2) ? 0 : (1<<4)) |
- (PIND&(1<<2) ? 0 : (1<<5)) |
- (PIND&(1<<4) ? 0 : (1<<6)) |
- (PIND&(1<<6) ? 0 : (1<<7));
-}
-
-static void select_col(uint8_t col) {
- switch (col) {
- case 0: PORTB = (PORTB & ~0b01111111) | 0b01100100; break;
- case 1: PORTB = (PORTB & ~0b01111111) | 0b01101100; break;
- case 2: PORTB = (PORTB & ~0b01111111) | 0b01100010; break;
- case 3: PORTB = (PORTB & ~0b01111111) | 0b01111010; break;
- case 4: PORTB = (PORTB & ~0b01111111) | 0b01100110; break;
- case 5: PORTB = (PORTB & ~0b01111111) | 0b01110110; break;
- case 6: PORTB = (PORTB & ~0b01111111) | 0b01101110; break;
- case 7: PORTB = (PORTB & ~0b01111111) | 0b01111110; break;
- case 8: PORTB = (PORTB & ~0b01111111) | 0b01000001; break;
- case 9: PORTB = (PORTB & ~0b01111111) | 0b00100001; break;
- case 10: PORTB = (PORTB & ~0b01111111) | 0b01101010; break;
- case 11: PORTB = (PORTB & ~0b01111111) | 0b01110010; break;
- case 12: PORTB = (PORTB & ~0b01111111) | 0b01111100; break;
- case 13: PORTB = (PORTB & ~0b01111111) | 0b01110100; break;
- case 14: PORTB = (PORTB & ~0b01111111) | 0b01111000; break;
- case 15: PORTB = (PORTB & ~0b01111111) | 0b01110000; break;
- case 16: PORTB = (PORTB & ~0b01111111) | 0b01100000; break;
- case 17: PORTB = (PORTB & ~0b01111111) | 0b01101000; break;
- }
-}
\ No newline at end of file
projects / qmk_firmware.git / blobdiff