228 lines
7.5 KiB
C
228 lines
7.5 KiB
C
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/*
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
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Copyright 2015 ZSA Technology Labs Inc (@zsa)
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Copyright 2020 Christopher Courtney <drashna@live.com> (@drashna)
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Copyright 2021 Gary Kong <kongkm88@gmail.com> (@garykong)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "bajjak.h"
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extern inline void bajjak_board_led_on(void);
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extern inline void bajjak_right_led_1_on(void);
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extern inline void bajjak_right_led_2_on(void);
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extern inline void bajjak_right_led_3_on(void);
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extern inline void bajjak_right_led_on(uint8_t led);
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extern inline void bajjak_board_led_off(void);
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extern inline void bajjak_right_led_1_off(void);
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extern inline void bajjak_right_led_2_off(void);
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extern inline void bajjak_right_led_3_off(void);
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extern inline void bajjak_right_led_off(uint8_t led);
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extern inline void bajjak_led_all_on(void);
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extern inline void bajjak_led_all_off(void);
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extern inline void bajjak_right_led_1_set(uint8_t n);
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extern inline void bajjak_right_led_2_set(uint8_t n);
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extern inline void bajjak_right_led_3_set(uint8_t n);
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extern inline void bajjak_right_led_set(uint8_t led, uint8_t n);
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extern inline void bajjak_led_all_set(uint8_t n);
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keyboard_config_t keyboard_config;
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bool i2c_initialized = 0;
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i2c_status_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 - D4, D5, E6
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// set as input with internal pull-up enabled
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DDRD &= ~(1<<5 | 1<<4);
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DDRE &= ~(1<<6);
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PORTD |= (1<<5 | 1<<4);
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PORTE |= (1<<6);
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keyboard_config.raw = eeconfig_read_kb();
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bajjak_led_all_set((uint8_t)keyboard_config.led_level * 255 / 4 );
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bajjak_blink_all_leds();
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matrix_init_user();
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}
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void bajjak_blink_all_leds(void)
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{
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bajjak_led_all_off();
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bajjak_led_all_set(LED_BRIGHTNESS_DEFAULT);
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bajjak_right_led_1_on();
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wait_ms(50);
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bajjak_right_led_2_on();
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wait_ms(50);
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bajjak_right_led_3_on();
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wait_ms(50);
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#ifdef LEFT_LEDS
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bajjak_left_led_1_on();
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wait_ms(50);
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if (!mcp23018_status) {
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mcp23018_status = bajjak_left_leds_update();
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}
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bajjak_left_led_2_on();
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wait_ms(50);
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if (!mcp23018_status) {
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mcp23018_status = bajjak_left_leds_update();
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}
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#endif
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bajjak_right_led_1_off();
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wait_ms(50);
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bajjak_right_led_2_off();
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wait_ms(50);
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bajjak_right_led_3_off();
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#ifdef LEFT_LEDS
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wait_ms(50);
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bajjak_left_led_1_off();
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if (!mcp23018_status) {
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mcp23018_status = bajjak_left_leds_update();
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}
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wait_ms(50);
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bajjak_left_led_2_off();
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if (!mcp23018_status) {
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mcp23018_status = bajjak_left_leds_update();
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}
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#endif
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//bajjak_led_all_on();
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//wait_ms(333);
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bajjak_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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wait_ms(1000);
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}
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// i2c_init(); // on pins D(1,0)
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// wait_ms(1000);
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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, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(IODIRA, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b00000000, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b00111111, BAJJAK_EZ_I2C_TIMEOUT); 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, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPPUA, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b00000000, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b01111111, BAJJAK_EZ_I2C_TIMEOUT); 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 = bajjak_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 bajjak_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 A
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#define LEFT_LED_2_SHIFT 7 // in MCP23018 port B
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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, BAJJAK_EZ_I2C_TIMEOUT);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(OLATA, BAJJAK_EZ_I2C_TIMEOUT);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b11111111
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& ~(bajjak_left_led_1<<LEFT_LED_1_SHIFT),
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BAJJAK_EZ_I2C_TIMEOUT);
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if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(0b11111111
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& ~(bajjak_left_led_2<<LEFT_LED_2_SHIFT),
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BAJJAK_EZ_I2C_TIMEOUT);
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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 SWAP_HANDS_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}, {6, 13}},
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{{0, 12}, {1, 12}, {2, 12}, {3, 12}, {4, 12}, {5, 12}, {6, 12}},
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{{0, 11}, {1, 11}, {2, 11}, {3, 11}, {4, 11}, {5, 11}, {6, 11}},
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{{0, 10}, {1, 10}, {2, 10}, {3, 10}, {4, 10}, {5, 10}, {6, 10}},
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{{0, 9}, {1, 9}, {2, 9}, {3, 9}, {4, 9}, {5, 9}, {6, 9}},
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{{0, 8}, {1, 8}, {2, 8}, {3, 8}, {4, 8}, {5, 8}, {6, 8}},
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{{0, 7}, {1, 7}, {2, 7}, {3, 7}, {4, 7}, {5, 7}, {6, 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}, {6, 6}},
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{{0, 5}, {1, 5}, {2, 5}, {3, 5}, {4, 5}, {5, 5}, {6, 5}},
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{{0, 4}, {1, 4}, {2, 4}, {3, 4}, {4, 4}, {5, 4}, {6, 4}},
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{{0, 3}, {1, 3}, {2, 3}, {3, 3}, {4, 3}, {5, 3}, {6, 3}},
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{{0, 2}, {1, 2}, {2, 2}, {3, 2}, {4, 2}, {5, 2}, {6, 2}},
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{{0, 1}, {1, 1}, {2, 1}, {3, 1}, {4, 1}, {5, 1}, {6, 1}},
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{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {5, 0}, {6, 0}},
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};
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#endif
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void eeconfig_init_kb(void) { // EEPROM is getting reset!
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keyboard_config.raw = 0;
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keyboard_config.led_level = 4;
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eeconfig_update_kb(keyboard_config.raw);
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eeconfig_init_user();
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}
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