qmk_firmware/keyboards/wheatfield/split75/matrix.c
artjomsR 3349a8b49b
[Keyboard] Wheatfield Split75 (#8511)
* Added split75 keyboard

* tidy up commented out code + removed default

* added visual map

* proper led functions. more layers for keymap

* led functions. moved mod keys to numbers

* double tapping toggle + leds on power on

* media keys fix

* clean up of commented out code and unnecessary functions. readme update.
default keymap

* removed bootloadHID file

* Update keyboards/split75/config.h

* Update keyboards/split75/config.h

* Update keyboards/split75/config.h

* Update keyboards/split75/config.h

* removed python flashing script

* Update keyboards/split75/keymaps/default/keymap.c

* Update keyboards/split75/split75.h

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/default/keymap.c

* reintroduced empty matrix_scan_user to default keymap

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/usbconfig.h

* Update keyboards/ergodone/config.h

* Update keyboards/split75/keymaps/art/keymap.c

* updated readme file

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/rules.mk

* Update keyboards/split75/split75.c

* code fix after suggestions

* defined tapping toggle as double tap

* added info.json

* Update keyboards/split75/config.h

* fix for leds not displaying properly when initialising

* Update keyboards/split75/README.md

* Update keyboards/split75/keymaps/default/keymap.c

* Update keyboards/split75/keymaps/art/keymap.c

* changed product description fields

* renamed user functions

* indentation fix

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.c

* art keymap update

* Update keyboards/split75/config.h

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/keymaps/art/keymap.c

* Update keyboards/split75/keymaps/default/keymap.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/matrix.c

* Update keyboards/split75/rules.mk

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/config.h

* Update keyboards/split75/split75.c

* disable underglow on sleep and enabled backlighting

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* Update keyboards/split75/usbconfig.h

* personal keymap update

* changed boot animation

* consistent whitespace

* Tidied up default notes and unnecessary comments

* Unique Vendor ID

* remove usb config file

* corrected manufacturer

* Update keyboards/split75/config.h

* Update keyboards/split75/README.md

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.c

* Update keyboards/split75/split75.h

* Update keyboards/split75/split75.h

* Update keyboards/split75/split75.h

* Update keyboards/split75/split75.c

* Update keyboards/split75/matrix.c

* Update keyboards/split75/matrix.c

* Update keyboards/split75/matrix.c

* Update keyboards/split75/matrix.c

* Update keyboards/split75/split75.h

* Personal keymap restore after refactor

* Moved to wheatfield folder + updated readme
2020-04-07 01:36:54 -07:00

155 lines
4.1 KiB
C

/*
Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <stdio.h>
#include "quantum.h"
#include "i2c_master.h"
#include "split75.h"
#define RIGHT_HALF
void matrix_set_row_status(uint8_t row);
#if defined(RIGHT_HALF)
#define I2C_TIMEOUT 10
#define MCP23018_TWI_ADDRESS 0b0100000
#define TW_READ 1
#define TW_WRITE 0
#define TWI_ADDR_WRITE ( (MCP23018_TWI_ADDRESS<<1) | TW_WRITE )
#define TWI_ADDR_READ ( (MCP23018_TWI_ADDRESS<<1) | TW_READ )
#define IODIRA 0x00 // i/o direction register
#define IODIRB 0x01
#define IODIRA 0x00 // i/o direction register
#define IODIRB 0x01
#define GPPUA 0x0C // GPIO pull-up resistor register
#define GPPUB 0x0D
#define GPIOA 0x12 // general purpose i/o port register (write modifies OLAT)
#define GPIOB 0x13
#define OLATA 0x14 // output latch register
#define OLATB 0x15
#define MCP_ROWS_START 8
static uint8_t mcp23018_init(void) {
uint8_t ret;
uint8_t data[3];
// set pin direction
// - unused : input : 1
// - input : input : 1
// - driving : output : 0
data[0] = IODIRA;
data[1] = 0b00000000; // IODIRA
data[2] = (0b11111111); // IODIRB
ret = i2c_transmit(TWI_ADDR_WRITE, (uint8_t *)data, 3, I2C_TIMEOUT);
if (ret) goto out; // make sure we got an ACK
// set pull-up
// - unused : on : 1
// - input : on : 1
// - driving : off : 0
data[0] = GPPUA;
data[1] = 0b00000000; // IODIRA
data[2] = (0b11111111); // IODIRB
ret = i2c_transmit(TWI_ADDR_WRITE, (uint8_t *)data, 3, I2C_TIMEOUT);
if (ret) goto out; // make sure we got an ACK
// set logical value (doesn't matter on inputs)
// - unused : hi-Z : 1
// - input : hi-Z : 1
// - driving : hi-Z : 1
data[0] = OLATA;
data[1] = 0b11111111; // IODIRA
data[2] = (0b11111111); // IODIRB
ret = i2c_transmit(TWI_ADDR_WRITE, (uint8_t *)data, 3, I2C_TIMEOUT);
out:
return ret;
}
#endif
void matrix_init_custom(void) {
// Set rows as output starting high
DDRB = 0xFF;
PORTB = 0xFF;
// Set columns as inputs with pull-up enabled
DDRA = 0x00;
PORTA = 0xFF;
// Initialize i2c communication
i2c_init();
#if defined(RIGHT_HALF)
// Initialize the chip on the other half
mcp23018_init();
#endif
}
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
bool matrix_has_changed = false;
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
// Store last value of row prior to reading
matrix_row_t last_row_value = current_matrix[row];
matrix_row_t cols = 0;
// Select the row to scan
matrix_set_row_status(row);
matrix_io_delay();
//Set the local row
#if defined(RIGHT_HALF)
// Initialize to 0x7F in case I2C read fails,
// as 0x75 would be no keys pressed
uint8_t data = 0x7F;
// Receive the columns from right half
i2c_receive(TWI_ADDR_WRITE, &data, 1, I2C_TIMEOUT);
#endif
cols |= ((~(PINA | 0x80)) & 0x7F);
#if defined(RIGHT_HALF)
cols |= (((~(data | 0x80)) & 0x7F) << 7);
#endif
current_matrix[row] = cols;
matrix_has_changed |= (last_row_value != current_matrix[row]);
}
return matrix_has_changed;
}
void matrix_set_row_status(uint8_t row) {
#if defined(RIGHT_HALF)
uint8_t txdata[3];
//Set the remote row on port A
txdata[0] = (GPIOA);
txdata[1] = ( 0xFF & ~(1<<row) );
i2c_transmit(TWI_ADDR_WRITE, (uint8_t *)txdata, 2, I2C_TIMEOUT);
#endif
//Set the local row on port B
DDRB = (1 << row);
PORTB = ~(1 << row);
}