mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-11 20:31:02 +00:00
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
#include "gergo.h"
|
|
|
|
bool i2c_initialized = 0;
|
|
i2c_status_t mcp23018_status = 0x20;
|
|
|
|
void matrix_init_kb(void) {
|
|
// (tied to Vcc for hardware convenience)
|
|
//gpio_set_pin_input(B4); // set B(4) as input, internal pull-up disabled
|
|
|
|
// unused pins - C7, D4, D5, D6, D7, E6
|
|
// set as input with internal pull-up enabled
|
|
gpio_set_pin_input_high(C7);
|
|
gpio_set_pin_input_high(D4);
|
|
gpio_set_pin_input_high(D5);
|
|
gpio_set_pin_input_high(D6);
|
|
gpio_set_pin_input_high(D7);
|
|
gpio_set_pin_input_high(E6);
|
|
|
|
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
|
|
uint8_t data[] = {0b10000000, 0b11111111};
|
|
mcp23018_status = i2c_write_register(I2C_ADDR, IODIRA, data, sizeof(data), I2C_TIMEOUT);
|
|
|
|
if (!mcp23018_status) {
|
|
// set pull-up
|
|
// - unused : on : 1
|
|
// - input : on : 1
|
|
// - driving : off : 0
|
|
mcp23018_status = i2c_write_register(I2C_ADDR, GPPUA, data, sizeof(data), I2C_TIMEOUT);
|
|
}
|
|
|
|
// 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} }
|
|
};
|