diff options
Diffstat (limited to 'keyboards/gboards/gergo/gergo.c')
| -rw-r--r-- | keyboards/gboards/gergo/gergo.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/keyboards/gboards/gergo/gergo.c b/keyboards/gboards/gergo/gergo.c new file mode 100644 index 0000000000..ba359f8145 --- /dev/null +++ b/keyboards/gboards/gergo/gergo.c @@ -0,0 +1,84 @@ +#include QMK_KEYBOARD_H + +bool i2c_initialized = 0; +i2c_status_t mcp23018_status = 0x20; + +void matrix_init_kb(void) { + // (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-up enabled + DDRC &= ~(1<<7); + DDRD &= ~(1<<5 | 1<<4 | 1<<6 | 1<<7); + DDRE &= ~(1<<6); + PORTC |= (1<<7); + PORTD |= (1<<5 | 1<<4 | 1<<6 | 1<<7); + PORTE |= (1<<6); + + matrix_init_user(); +} + + +uint8_t init_mcp23018(void) { + print("starting init"); + mcp23018_status = 0x20; + + // I2C subsystem + + // uint8_t sreg_prev; + // sreg_prev=SREG; + // cli(); + + if (i2c_initialized == 0) { + i2c_init(); // on pins D(1,0) + i2c_initialized = true; + _delay_ms(1000); + } + // i2c_init(); // on pins D(1,0) + // _delay_ms(1000); + + // set pin direction + // - unused : input : 1 + // - input : input : 1 + // - driving : output : 0 + mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(IODIRA, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b10000000, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b11111111, I2C_TIMEOUT); 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, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPPUA, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b10000000, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0b11111111, I2C_TIMEOUT); if (mcp23018_status) goto out; + +out: + i2c_stop(); + // SREG=sreg_prev; + //uprintf("Init %x\n", mcp23018_status); + return mcp23018_status; +} + +const keypos_t PROGMEM hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = { + { {0,0}, {0,7}, {2,7}, {3,7} }, + { {0,8}, {1,8}, {2,8}, {3,8} }, + { {0,9}, {1,9}, {2,9}, {3,9} }, + { {0,10}, {1,10}, {2,10}, {3,10} }, + { {0,11}, {1,11}, {2,11}, {3,11} }, + { {0,12}, {1,12}, {2,12}, {0,0} }, + { {0,13}, {1,13}, {2,13}, {0,0} }, + + { {1,0}, {0,0}, {2,0}, {3,0} }, + { {0,1}, {1,1}, {2,1}, {3,1} }, + { {0,2}, {1,2}, {2,2}, {3,2} }, + { {0,3}, {1,3}, {2,3}, {3,3} }, + { {0,4}, {1,4}, {2,4}, {3,4} }, + { {0,5}, {1,5}, {2,5}, {3,5} }, + { {0,6}, {1,6}, {2,6}, {3,6} } +}; |