mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-12-27 11:38:58 +06:00
292 lines
7.3 KiB
C
292 lines
7.3 KiB
C
/*
|
|
MIT License
|
|
Copyright (c) 2018, JacoBurge
|
|
Adapted for QMK by Jack Humbert in 2018
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
|
|
#include "matrix.h"
|
|
#include "i2c_master.h"
|
|
#include "quantum.h"
|
|
|
|
#define VIBRATE_LENGTH 50 //Defines number of interrupts motor will vibrate for, must be bigger than 8 for correct operation
|
|
volatile uint8_t vibrate = 0; //Trigger vibration in interrupt
|
|
|
|
static matrix_row_t matrix[MATRIX_ROWS];
|
|
|
|
const uint8_t SENr[6] = {1, 2, 3, 5, 6, 7};//Maps capacitive pads to pins
|
|
const uint8_t SENc[6] = {0, 4, 8, 9, 10, 11};
|
|
|
|
volatile uint8_t LEDs[6][6] = {{0}};//Stores current LED values
|
|
|
|
//Read data from the cap touch IC
|
|
uint8_t readDataFromTS(uint8_t reg) {
|
|
uint8_t rx[1] = { 0 };
|
|
if (i2c_readReg(0x1C << 1, reg, rx, 1, 100) == 0) {
|
|
return rx[0];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//Write data to cap touch IC
|
|
uint8_t writeDataToTS(uint8_t reg, uint8_t data) {
|
|
uint8_t tx[2] = { reg, data };
|
|
if (i2c_transmit(0x1C << 1, tx, 2, 100) == 0) {
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
uint8_t checkTSPres(void) {
|
|
return (readDataFromTS(0x00) == 0x3E);
|
|
}
|
|
|
|
uint8_t capSetup(void) {
|
|
|
|
uint8_t temp_return = checkTSPres();
|
|
|
|
if (temp_return == 1) {
|
|
// Perform measurements every 16ms
|
|
writeDataToTS(0x08, 1);
|
|
|
|
// Increase detection integrator value
|
|
writeDataToTS(0x0B, 1);
|
|
|
|
// Oversample to gain two bits for columns
|
|
writeDataToTS(0x28, 0x42);
|
|
writeDataToTS(0x29, 0x00);
|
|
writeDataToTS(0x2A, 0x00);
|
|
writeDataToTS(0x2B, 0x00);
|
|
writeDataToTS(0x2C, 0x42);
|
|
writeDataToTS(0x2D, 0x00);
|
|
writeDataToTS(0x2E, 0x00);
|
|
writeDataToTS(0x2F, 0x00);
|
|
writeDataToTS(0x30, 0x42);
|
|
writeDataToTS(0x31, 0x42);
|
|
writeDataToTS(0x32, 0x42);
|
|
writeDataToTS(0x33, 0x42);
|
|
|
|
// Recalibration if touch detected for more than 8 seconds n*0.16s
|
|
writeDataToTS(0x0C, 50);
|
|
|
|
// Enable keys and set key groups
|
|
writeDataToTS(0x1C, 0x00 | 0x04);
|
|
writeDataToTS(0x1D, 0x00 | 0x08);
|
|
writeDataToTS(0x1E, 0x00 | 0x08);
|
|
writeDataToTS(0x1F, 0x00 | 0x08);
|
|
writeDataToTS(0x20, 0x00 | 0x04);
|
|
writeDataToTS(0x21, 0x00 | 0x08);
|
|
writeDataToTS(0x22, 0x00 | 0x08);
|
|
writeDataToTS(0x23, 0x00 | 0x08);
|
|
writeDataToTS(0x24, 0x00 | 0x04);
|
|
writeDataToTS(0x25, 0x00 | 0x04);
|
|
writeDataToTS(0x26, 0x00 | 0x04);
|
|
writeDataToTS(0x27, 0x00 | 0x04);
|
|
|
|
}
|
|
return temp_return;
|
|
}
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_init_user(void) {}
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_scan_user(void) {}
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_init_kb(void) {
|
|
matrix_init_user();
|
|
}
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_scan_kb(void) {
|
|
matrix_scan_user();
|
|
}
|
|
|
|
void matrix_init(void) {
|
|
|
|
i2c_init();
|
|
|
|
//Motor enable
|
|
setPinOutput(E6);
|
|
//Motor PWM
|
|
setPinOutput(D7);
|
|
|
|
//Power LED
|
|
setPinOutput(B7);
|
|
writePinHigh(B7);
|
|
|
|
//LEDs Columns
|
|
setPinOutput(F7);
|
|
setPinOutput(F6);
|
|
setPinOutput(F5);
|
|
setPinOutput(F4);
|
|
setPinOutput(F1);
|
|
setPinOutput(F0);
|
|
|
|
//LEDs Rows
|
|
setPinOutput(D6);
|
|
setPinOutput(B4);
|
|
setPinOutput(B5);
|
|
setPinOutput(B6);
|
|
setPinOutput(C6);
|
|
setPinOutput(C7);
|
|
|
|
//Capacitive Interrupt
|
|
setPinInput(D2);
|
|
|
|
capSetup();
|
|
writeDataToTS(0x06, 0x12); //Calibrate capacitive touch IC
|
|
|
|
memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
|
|
|
|
matrix_init_kb();
|
|
}
|
|
|
|
|
|
uint16_t touchDetectionRoutine(void) {
|
|
uint16_t data;
|
|
uint8_t temp1, temp2;
|
|
|
|
temp1 = readDataFromTS(0x04);
|
|
temp2 = readDataFromTS(0x03);
|
|
data = temp1;
|
|
data = (data << 8) | temp2;
|
|
return data;
|
|
|
|
}
|
|
|
|
//Process raw capacitive data, map pins to rows and columns
|
|
void decodeArray(uint16_t dataIn, uint8_t *column, uint8_t *row) {
|
|
uint8_t i1 = 20, i2 = 20;
|
|
for (uint8_t i = 0; i < 12; i++) {
|
|
if ((dataIn & 0b1) == 1) {
|
|
if (i1 == 20) {
|
|
i1 = i;
|
|
} else if (i2 == 20) {
|
|
i2 = i;
|
|
}
|
|
}
|
|
dataIn = dataIn >> 1;
|
|
}
|
|
|
|
for (uint8_t j = 0; j < 6; j++) {
|
|
if (SENr[j] == i1 || SENr[j] == i2) {
|
|
*row = j;
|
|
}
|
|
if (SENc[j] == i1 || SENc[j] == i2) {
|
|
*column = j;
|
|
}
|
|
}
|
|
}
|
|
|
|
void touchClearCurrentDetections(void) {
|
|
readDataFromTS(0x05);
|
|
readDataFromTS(0x02);
|
|
readDataFromTS(0x03);
|
|
readDataFromTS(0x04);
|
|
}
|
|
|
|
//Check interrupt pin
|
|
uint8_t isTouchChangeDetected(void) {
|
|
return !readPin(D2);
|
|
}
|
|
|
|
uint8_t matrix_scan(void) {
|
|
if (isTouchChangeDetected()) {
|
|
uint16_t dataIn = touchDetectionRoutine();
|
|
if ((dataIn & 0b111100010001) > 0 && (dataIn & 0b000011101110) > 0) {
|
|
uint8_t column = 10, row = 10;
|
|
decodeArray(dataIn, &column, &row);
|
|
if (column != 10 && row != 10) {
|
|
vibrate = VIBRATE_LENGTH; //Trigger vibration
|
|
matrix[row] = _BV(column);
|
|
} else {
|
|
memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
|
|
}
|
|
} else {
|
|
memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
|
|
}
|
|
touchClearCurrentDetections();
|
|
}
|
|
|
|
for (uint8_t c = 0; c < 6; c++) {
|
|
for (uint8_t r = 0; r < 6; r++) {
|
|
switch (r) {
|
|
case 0: writePin(D6, matrix_is_on(r, c)); break;
|
|
case 1: writePin(B4, matrix_is_on(r, c)); break;
|
|
case 2: writePin(B5, matrix_is_on(r, c)); break;
|
|
case 3: writePin(B6, matrix_is_on(r, c)); break;
|
|
case 4: writePin(C6, matrix_is_on(r, c)); break;
|
|
case 5: writePin(C7, matrix_is_on(r, c)); break;
|
|
}
|
|
|
|
switch (c) {
|
|
case 0: writePin(F5, !matrix_is_on(r, c)); break;
|
|
case 1: writePin(F4, !matrix_is_on(r, c)); break;
|
|
case 2: writePin(F1, !matrix_is_on(r, c)); break;
|
|
case 3: writePin(F0, !matrix_is_on(r, c)); break;
|
|
case 4: writePin(F6, !matrix_is_on(r, c)); break;
|
|
case 5: writePin(F7, !matrix_is_on(r, c)); break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (vibrate == VIBRATE_LENGTH) {
|
|
writePinHigh(E6);
|
|
writePinHigh(D7);
|
|
vibrate--;
|
|
} else if (vibrate > 0) {
|
|
vibrate--;
|
|
} else if (vibrate == 0) {
|
|
writePinLow(D7);
|
|
writePinLow(E6);
|
|
}
|
|
|
|
matrix_scan_kb();
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
bool matrix_is_on(uint8_t row, uint8_t col) {
|
|
return (matrix[row] & (1<<col));
|
|
}
|
|
|
|
matrix_row_t matrix_get_row(uint8_t row) {
|
|
return matrix[row];
|
|
}
|
|
|
|
void matrix_print(void) {
|
|
printf("\nr/c 01234567\n");
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
printf("%X0: ", row);
|
|
matrix_row_t data = matrix_get_row(row);
|
|
for (int col = 0; col < MATRIX_COLS; col++) {
|
|
if (data & (1<<col))
|
|
printf("1");
|
|
else
|
|
printf("0");
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|