forked from forks/qmk_firmware
364aeeec53
Previously, this code was implemented in keymap.c, but I'm unaware of someone with a different implementation of this particular hack. [If someone has it, we can add another #ifdef in the future.]
210 lines
6.3 KiB
C
210 lines
6.3 KiB
C
#include QMK_KEYBOARD_H
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#include "i2cmaster.h"
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extern inline void ergodox_board_led_on(void);
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extern inline void ergodox_right_led_1_on(void);
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extern inline void ergodox_right_led_2_on(void);
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extern inline void ergodox_right_led_3_on(void);
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extern inline void ergodox_right_led_on(uint8_t led);
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extern inline void ergodox_board_led_off(void);
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extern inline void ergodox_right_led_1_off(void);
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extern inline void ergodox_right_led_2_off(void);
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extern inline void ergodox_right_led_3_off(void);
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extern inline void ergodox_right_led_off(uint8_t led);
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extern inline void ergodox_led_all_on(void);
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extern inline void ergodox_led_all_off(void);
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extern inline void ergodox_right_led_1_set(uint8_t n);
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extern inline void ergodox_right_led_2_set(uint8_t n);
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extern inline void ergodox_right_led_3_set(uint8_t n);
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extern inline void ergodox_right_led_set(uint8_t led, uint8_t n);
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extern inline void ergodox_led_all_set(uint8_t n);
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bool i2c_initialized = 0;
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uint8_t mcp23018_status = 0x20;
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void matrix_init_kb(void) {
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// keyboard LEDs (see "PWM on ports OC1(A|B|C)" in "teensy-2-0.md")
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TCCR1A = 0b10101001; // set and configure fast PWM
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TCCR1B = 0b00001001; // set and configure fast PWM
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// (tied to Vcc for hardware convenience)
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DDRB &= ~(1<<4); // set B(4) as input
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PORTB &= ~(1<<4); // set B(4) internal pull-up disabled
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// unused pins - C7, D4, D5, D7, E6
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// set as input with internal pull-ip enabled
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DDRC &= ~(1<<7);
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DDRD &= ~(1<<5 | 1<<4);
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DDRE &= ~(1<<6);
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PORTC |= (1<<7);
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PORTD |= (1<<5 | 1<<4);
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PORTE |= (1<<6);
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ergodox_blink_all_leds();
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matrix_init_user();
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}
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void ergodox_blink_all_leds(void)
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{
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ergodox_led_all_off();
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ergodox_led_all_set(LED_BRIGHTNESS_HI);
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ergodox_right_led_1_on();
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_delay_ms(50);
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ergodox_right_led_2_on();
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_delay_ms(50);
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ergodox_right_led_3_on();
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_delay_ms(50);
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#ifdef LEFT_LEDS
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ergodox_left_led_1_on();
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_delay_ms(50);
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if (!mcp23018_status) {
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mcp23018_status = ergodox_left_leds_update();
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}
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ergodox_left_led_2_on();
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_delay_ms(50);
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if (!mcp23018_status) {
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mcp23018_status = ergodox_left_leds_update();
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}
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ergodox_left_led_3_on();
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_delay_ms(50);
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if (!mcp23018_status) {
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mcp23018_status = ergodox_left_leds_update();
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}
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#endif
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ergodox_right_led_1_off();
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_delay_ms(50);
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ergodox_right_led_2_off();
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_delay_ms(50);
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ergodox_right_led_3_off();
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#ifdef LEFT_LEDS
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_delay_ms(50);
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ergodox_left_led_1_off();
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if (!mcp23018_status) {
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mcp23018_status = ergodox_left_leds_update();
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}
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_delay_ms(50);
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ergodox_left_led_2_off();
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if (!mcp23018_status) {
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mcp23018_status = ergodox_left_leds_update();
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}
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_delay_ms(50);
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ergodox_left_led_3_off();
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if (!mcp23018_status) {
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mcp23018_status = ergodox_left_leds_update();
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}
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#endif
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//ergodox_led_all_on();
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//_delay_ms(333);
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ergodox_led_all_off();
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}
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uint8_t init_mcp23018(void) {
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mcp23018_status = 0x20;
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// I2C subsystem
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// uint8_t sreg_prev;
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// sreg_prev=SREG;
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// cli();
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if (i2c_initialized == 0) {
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i2c_init(); // on pins D(1,0)
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i2c_initialized = true;
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_delay_ms(1000);
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}
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// set pin direction
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// - unused : input : 1
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// - input : input : 1
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// - driving : output : 0
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mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(IODIRA); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;
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i2c_stop();
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// set pull-up
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// - unused : on : 1
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// - input : on : 1
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// - driving : off : 0
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mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPPUA); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;
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out:
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i2c_stop();
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#ifdef LEFT_LEDS
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if (!mcp23018_status) mcp23018_status = ergodox_left_leds_update();
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#endif // LEFT_LEDS
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// SREG=sreg_prev;
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return mcp23018_status;
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}
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#ifdef LEFT_LEDS
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uint8_t ergodox_left_leds_update(void) {
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if (mcp23018_status) { // if there was an error
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return mcp23018_status;
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}
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#define LEFT_LED_1_SHIFT 7 // in MCP23018 port B
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#define LEFT_LED_2_SHIFT 6 // in MCP23018 port B
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#define LEFT_LED_3_SHIFT 7 // in MCP23018 port A
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// set logical value (doesn't matter on inputs)
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// - unused : hi-Z : 1
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// - input : hi-Z : 1
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// - driving : hi-Z : 1
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mcp23018_status = i2c_start(I2C_ADDR_WRITE);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(OLATA);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b11111111
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& ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
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);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b11111111
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& ~(ergodox_left_led_2<<LEFT_LED_2_SHIFT)
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& ~(ergodox_left_led_1<<LEFT_LED_1_SHIFT)
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);
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if (mcp23018_status) goto out;
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out:
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i2c_stop();
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return mcp23018_status;
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}
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#endif
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#ifdef ONEHAND_ENABLE
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__attribute__ ((weak))
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// swap-hands action needs a matrix to define the swap
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const keypos_t hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
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/* Left hand, matrix positions */
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{{0,13}, {1,13}, {2,13}, {3,13}, {4,13}, {5,13}},
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{{0,12}, {1,12}, {2,12}, {3,12}, {4,12}, {5,12}},
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{{0,11}, {1,11}, {2,11}, {3,11}, {4,11}, {5,11}},
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{{0,10}, {1,10}, {2,10}, {3,10}, {4,10}, {5,10}},
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{{0,9}, {1,9}, {2,9}, {3,9}, {4,9}, {5,9}},
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{{0,8}, {1,8}, {2,8}, {3,8}, {4,8}, {5,8}},
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{{0,7}, {1,7}, {2,7}, {3,7}, {4,7}, {5,7}},
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/* Right hand, matrix positions */
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{{0,6}, {1,6}, {2,6}, {3,6}, {4,6}, {5,6}},
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{{0,5}, {1,5}, {2,5}, {3,5}, {4,5}, {5,5}},
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{{0,4}, {1,4}, {2,4}, {3,4}, {4,4}, {5,4}},
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{{0,3}, {1,3}, {2,3}, {3,3}, {4,3}, {5,3}},
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{{0,2}, {1,2}, {2,2}, {3,2}, {4,2}, {5,2}},
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{{0,1}, {1,1}, {2,1}, {3,1}, {4,1}, {5,1}},
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{{0,0}, {1,0}, {2,0}, {3,0}, {4,0}, {5,0}},
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};
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#endif
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