diff options
Diffstat (limited to 'keyboard/ergodox/ergodox.c')
| -rw-r--r-- | keyboard/ergodox/ergodox.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/keyboard/ergodox/ergodox.c b/keyboard/ergodox/ergodox.c deleted file mode 100644 index 950e6a66ca..0000000000 --- a/keyboard/ergodox/ergodox.c +++ /dev/null @@ -1,123 +0,0 @@ -#include "ergodox.h" -#include "i2cmaster.h" - -bool i2c_initialized = 0; -uint8_t mcp23018_status = 0x20; - -bool ergodox_left_led_1 = 0; // left top -bool ergodox_left_led_2 = 0; // left middle -bool ergodox_left_led_3 = 0; // left bottom - -__attribute__ ((weak)) -void * matrix_init_user(void) { - -}; - -__attribute__ ((weak)) -void * matrix_scan_user(void) { - -}; - -void * matrix_init_kb(void) { - // keyboard LEDs (see "PWM on ports OC1(A|B|C)" in "teensy-2-0.md") - TCCR1A = 0b10101001; // set and configure fast PWM - TCCR1B = 0b00001001; // set and configure fast PWM - - // (tied to Vcc for hardware convenience) - DDRB &= ~(1<<4); // set B(4) as input - PORTB &= ~(1<<4); // set B(4) internal pull-up disabled - - // unused pins - C7, D4, D5, D7, E6 - // set as input with internal pull-ip enabled - DDRC &= ~(1<<7); - DDRD &= ~(1<<7 | 1<<5 | 1<<4); - DDRE &= ~(1<<6); - PORTC |= (1<<7); - PORTD |= (1<<7 | 1<<5 | 1<<4); - PORTE |= (1<<6); - - ergodox_blink_all_leds(); - - if (matrix_init_user) { - (*matrix_init_user)(); - } -}; - -void * matrix_scan_kb(void) { - - if (matrix_scan_user) { - (*matrix_scan_user)(); - } -}; - - -void ergodox_blink_all_leds(void) -{ - ergodox_led_all_off(); - ergodox_led_all_set(LED_BRIGHTNESS_HI); - ergodox_led_all_on(); - _delay_ms(333); - ergodox_led_all_off(); -} - -uint8_t init_mcp23018(void) { - mcp23018_status = 0x20; - - // I2C subsystem - if (i2c_initialized == 0) { - i2c_init(); // on pins D(1,0) - i2c_initialized++; - _delay_ms(1000); - } - - // set pin direction - // - unused : input : 1 - // - input : input : 1 - // - driving : output : 0 - mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(IODIRA); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out; - i2c_stop(); - - // set pull-up - // - unused : on : 1 - // - input : on : 1 - // - driving : off : 0 - mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(GPPUA); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out; - -out: - i2c_stop(); - - if (!mcp23018_status) mcp23018_status = ergodox_left_leds_update(); - - return mcp23018_status; -} - -uint8_t ergodox_left_leds_update(void) { - if (mcp23018_status) { // if there was an error - return mcp23018_status; - } - - // set logical value (doesn't matter on inputs) - // - unused : hi-Z : 1 - // - input : hi-Z : 1 - // - driving : hi-Z : 1 - mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(OLATA); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b11111111 - & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT) - ); if (mcp23018_status) goto out; - mcp23018_status = i2c_write(0b11111111 - & ~(ergodox_left_led_2<<LEFT_LED_2_SHIFT) - & ~(ergodox_left_led_1<<LEFT_LED_1_SHIFT) - ); if (mcp23018_status) goto out; - -out: - i2c_stop(); - return mcp23018_status; -} - |