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@ -1,5 +1,3 @@ |
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//TODO(gabe): customize for frosty flake |
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/* |
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Copyright 2014 Ralf Schmitt <ralf@bunkertor.net> |
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@ -26,16 +24,71 @@ |
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#include "util.h" |
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#include "matrix.h" |
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#ifndef CONFIG_SPECIFIC_H |
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#define CONFIG_SPECIFIC_H |
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#define CONFIG_LED_IO \ |
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DDRB |= (1<<7); \ |
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DDRC |= (1<<5) | (1<<6); |
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#define USB_LED_CAPS_LOCK_ON PORTC &= ~(1<<5) |
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#define USB_LED_CAPS_LOCK_OFF PORTC |= (1<<5) |
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#define USB_LED_NUM_LOCK_ON PORTB &= ~(1<<7) |
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#define USB_LED_NUM_LOCK_OFF PORTB |= (1<<7) |
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#define USB_LED_SCROLL_LOCK_ON PORTC &= ~(1<<6) |
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#define USB_LED_SCROLL_LOCK_OFF PORTC |= (1<<6) |
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#define CONFIG_MATRIX_IO \ |
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/* Column output pins */ \ |
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DDRD |= 0b01111011; \ |
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/* Row input pins */ \ |
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DDRC &= ~0b10000000; \ |
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DDRB &= ~0b01111111; \ |
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PORTC |= 0b10000000; \ |
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PORTB |= 0b01111111; |
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#define MATRIX_ROW_SCAN \ |
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(PINC&(1<<7) ? 0 : ((matrix_row_t)1<<0)) | \ |
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(PINB&(1<<5) ? 0 : ((matrix_row_t)1<<1)) | \ |
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(PINB&(1<<4) ? 0 : ((matrix_row_t)1<<2)) | \ |
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(PINB&(1<<6) ? 0 : ((matrix_row_t)1<<3)) | \ |
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(PINB&(1<<1) ? 0 : ((matrix_row_t)1<<4)) | \ |
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(PINB&(1<<2) ? 0 : ((matrix_row_t)1<<5)) | \ |
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(PINB&(1<<3) ? 0 : ((matrix_row_t)1<<6)) | \ |
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(PINB&(1<<0) ? 0 : ((matrix_row_t)1<<7)) |
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#define MATRIX_ROW_SELECT \ |
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case 0: PORTD = (PORTD & ~0b01111011) | 0b00011011; break; \ |
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case 1: PORTD = (PORTD & ~0b01111011) | 0b01000011; break; \ |
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case 2: PORTD = (PORTD & ~0b01111011) | 0b01101010; break; \ |
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case 3: PORTD = (PORTD & ~0b01111011) | 0b01111001; break; \ |
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case 4: PORTD = (PORTD & ~0b01111011) | 0b01100010; break; \ |
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case 5: PORTD = (PORTD & ~0b01111011) | 0b01110001; break; \ |
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case 6: PORTD = (PORTD & ~0b01111011) | 0b01100001; break; \ |
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case 7: PORTD = (PORTD & ~0b01111011) | 0b01110000; break; \ |
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case 8: PORTD = (PORTD & ~0b01111011) | 0b01100000; break; \ |
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case 9: PORTD = (PORTD & ~0b01111011) | 0b01101000; break; \ |
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case 10: PORTD = (PORTD & ~0b01111011) | 0b00101011; break; \ |
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case 11: PORTD = (PORTD & ~0b01111011) | 0b00110011; break; \ |
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case 12: PORTD = (PORTD & ~0b01111011) | 0b00100011; break; \ |
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case 13: PORTD = (PORTD & ~0b01111011) | 0b01111000; break; \ |
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case 14: PORTD = (PORTD & ~0b01111011) | 0b00010011; break; \ |
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case 15: PORTD = (PORTD & ~0b01111011) | 0b01101001; break; \ |
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case 16: PORTD = (PORTD & ~0b01111011) | 0b00001011; break; \ |
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case 17: PORTD = (PORTD & ~0b01111011) | 0b00111011; break; |
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#endif |
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#ifndef DEBOUNCING_DELAY |
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# define DEBOUNCING_DELAY 5 |
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# define DEBOUNCING_DELAY 0 |
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#endif |
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static uint8_t debouncing = DEBOUNCING_DELAY; |
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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 uint8_t read_rows(void); |
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static void select_col(uint8_t col); |
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static matrix_row_t scan_row(void); |
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static void select_row(uint8_t row); |
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inline uint8_t matrix_rows(void) { |
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return MATRIX_ROWS; |
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@ -45,58 +98,40 @@ inline uint8_t matrix_cols(void) { |
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return MATRIX_COLS; |
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} |
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/* Column pin configuration |
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* |
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* col: 0 1 2 3 4 5 6 7 |
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* pin: PC7 PD5 PD3 PD1 PC2 PD6 PD4 PD2 |
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* |
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* Rrr pin configuration |
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* |
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* These rrrs uses one 74HC154 4 to 16 bit demultiplexer (low |
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* active), together with 2 rrrs driven directly from the micro |
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* controller, to control the 18 rrrs. The rrrs are driven from |
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* pins B6,5,4,3,2,1,0. |
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*/ |
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void matrix_init(void) { |
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DDRC &= ~0b10000100; // Row input pins |
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DDRD &= ~0b01111110; |
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PORTC |= 0b10000100; |
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PORTD |= 0b01111110; |
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DDRB |= 0b01111111; // Column output pins |
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CONFIG_MATRIX_IO; |
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for (uint8_t i=0; i < MATRIX_ROWS; i++) { |
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matrix[i] = 0; |
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matrix_debouncing[i] = 0; |
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} |
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matrix_init_quantum(); |
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} |
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uint8_t matrix_scan(void) { |
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for (uint8_t col = 0; col < MATRIX_COLS; col++) { |
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select_col(col); |
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) { |
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select_row(row); |
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_delay_us(3); |
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uint8_t rows = read_rows(); |
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) { |
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matrix_row_t row_scan = scan_row(); |
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for (uint8_t col = 0; col < MATRIX_COLS; col++) { |
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bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col); |
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bool curr_bit = rows & (1<<row); |
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bool curr_bit = row_scan & (1<<col); |
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if (prev_bit != curr_bit) { |
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matrix_debouncing[row] ^= ((matrix_row_t)1<<col); |
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debouncing = DEBOUNCING_DELAY; |
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} |
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} |
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} |
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if (debouncing) { |
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if (--debouncing) { |
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if (--debouncing) |
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_delay_ms(1); |
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} |
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else { |
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) { |
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else |
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) |
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matrix[i] = matrix_debouncing[i]; |
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} |
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} |
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} |
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matrix_scan_quantum(); |
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return 1; |
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} |
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@ -117,9 +152,15 @@ inline matrix_row_t matrix_get_row(uint8_t row) { |
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} |
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void matrix_print(void) { |
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print("\nr/c 0123456789ABCDEF\n"); |
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print("\nr/c 01234567\n"); |
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) { |
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xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row))); |
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matrix_row_t row_scan = matrix_get_row(row); |
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xprintf("%02X: ", row); |
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for (uint8_t col = 0; col < MATRIX_COLS; col++) { |
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bool curr_bit = row_scan & (1<<col); |
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xprintf("%c", curr_bit ? '*' : '.'); |
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} |
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print("\n"); |
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} |
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} |
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@ -131,37 +172,12 @@ uint8_t matrix_key_count(void) { |
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return count; |
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} |
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static uint8_t read_rows(void) { |
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return |
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(PINC&(1<<7) ? 0 : (1<<0)) | |
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(PIND&(1<<5) ? 0 : (1<<1)) | |
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(PIND&(1<<3) ? 0 : (1<<2)) | |
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(PIND&(1<<1) ? 0 : (1<<3)) | |
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(PINC&(1<<2) ? 0 : (1<<4)) | |
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(PIND&(1<<2) ? 0 : (1<<5)) | |
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(PIND&(1<<4) ? 0 : (1<<6)) | |
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(PIND&(1<<6) ? 0 : (1<<7)); |
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static matrix_row_t scan_row(void) { |
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return MATRIX_ROW_SCAN; |
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} |
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static void select_col(uint8_t col) { |
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switch (col) { |
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case 0: PORTB = (PORTB & ~0b01111111) | 0b01100100; break; |
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case 1: PORTB = (PORTB & ~0b01111111) | 0b01101100; break; |
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case 2: PORTB = (PORTB & ~0b01111111) | 0b01100010; break; |
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case 3: PORTB = (PORTB & ~0b01111111) | 0b01111010; break; |
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case 4: PORTB = (PORTB & ~0b01111111) | 0b01100110; break; |
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case 5: PORTB = (PORTB & ~0b01111111) | 0b01110110; break; |
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case 6: PORTB = (PORTB & ~0b01111111) | 0b01101110; break; |
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case 7: PORTB = (PORTB & ~0b01111111) | 0b01111110; break; |
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case 8: PORTB = (PORTB & ~0b01111111) | 0b01000001; break; |
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case 9: PORTB = (PORTB & ~0b01111111) | 0b00100001; break; |
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case 10: PORTB = (PORTB & ~0b01111111) | 0b01101010; break; |
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case 11: PORTB = (PORTB & ~0b01111111) | 0b01110010; break; |
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case 12: PORTB = (PORTB & ~0b01111111) | 0b01111100; break; |
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case 13: PORTB = (PORTB & ~0b01111111) | 0b01110100; break; |
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case 14: PORTB = (PORTB & ~0b01111111) | 0b01111000; break; |
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case 15: PORTB = (PORTB & ~0b01111111) | 0b01110000; break; |
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case 16: PORTB = (PORTB & ~0b01111111) | 0b01100000; break; |
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case 17: PORTB = (PORTB & ~0b01111111) | 0b01101000; break; |
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static void select_row(uint8_t row) { |
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switch (row) { |
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MATRIX_ROW_SELECT; |
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} |
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} |