From 96546c79c0e931c89e4ac60a154b669925d5d34d Mon Sep 17 00:00:00 2001 From: Jason Date: Tue, 5 Jun 2018 12:43:20 -0700 Subject: Adding SX60 work by amnobis and configurator settings (#3122) * Add SX60 * Add config maps and layouts as well as readmes. * cleanup and fixes * correct readme * add missing closing commenty tag * Changing includes to QMK_KEYBOARD_H * Update settings.json Remove config change that was added automatically by vscode. * Update readme.md fix readme formatting --- keyboards/sx60/matrix.c | 307 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 307 insertions(+) create mode 100644 keyboards/sx60/matrix.c (limited to 'keyboards/sx60/matrix.c') diff --git a/keyboards/sx60/matrix.c b/keyboards/sx60/matrix.c new file mode 100644 index 000000000..e91b4f441 --- /dev/null +++ b/keyboards/sx60/matrix.c @@ -0,0 +1,307 @@ +/* +Copyright 2012-2017 Jun Wako, Jack Humbert + +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 . +*/ +#include +#include +#if defined(__AVR__) +#include +#endif +#include "wait.h" +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" +#include "timer.h" +#include "sx60.h" + + +/* Set 0 if debouncing isn't needed */ + +#ifndef DEBOUNCING_DELAY +# define DEBOUNCING_DELAY 5 +#endif + +#if (DEBOUNCING_DELAY > 0) + static uint16_t debouncing_time; + static bool debouncing = false; +#endif + +#if (MATRIX_COLS <= 8) +# define print_matrix_header() print("\nr/c 01234567\n") +# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop(matrix[i]) +# define ROW_SHIFTER ((uint8_t)1) +#elif (MATRIX_COLS <= 16) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop16(matrix[i]) +# define ROW_SHIFTER ((uint16_t)1) +#elif (MATRIX_COLS <= 32) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop32(matrix[i]) +# define ROW_SHIFTER ((uint32_t)1) +#endif + +#ifdef MATRIX_MASKED + extern const matrix_row_t matrix_mask[]; +#endif + +static const uint8_t col_pins[ATMEGA_COLS] = MATRIX_COL_PINS; +static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; + +/* matrix state(1:on, 0:off) */ +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; +static uint8_t mcp23018_reset_loop; + + +static void init_cols(void); +static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row); +static void unselect_rows(void); +static void select_row(uint8_t row); + +__attribute__ ((weak)) +void matrix_init_quantum(void) { + matrix_init_kb(); +} + +__attribute__ ((weak)) +void matrix_scan_quantum(void) { + matrix_scan_kb(); +} + +__attribute__ ((weak)) +void matrix_init_kb(void) { + matrix_init_user(); +} + +__attribute__ ((weak)) +void matrix_scan_kb(void) { + matrix_scan_user(); +} + +__attribute__ ((weak)) +void matrix_init_user(void) { +} + +__attribute__ ((weak)) +void matrix_scan_user(void) { +} + +inline +uint8_t matrix_rows(void) { + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) { + return MATRIX_COLS; +} + +void matrix_init(void) { + + /* To use PORTF disable JTAG with writing JTD bit twice within four cycles. */ + #if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__)) + MCUCR |= _BV(JTD); + MCUCR |= _BV(JTD); + #endif + + mcp23018_status = true; + + /* initialize row and col */ + unselect_rows(); + init_cols(); + + /* initialize matrix state: all keys off */ + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } + + matrix_init_quantum(); +} + +uint8_t matrix_scan(void) +{ + if (mcp23018_status) { + /* if there was an error */ + if (++mcp23018_reset_loop == 0) { + /* since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans + this will be approx bit more frequent than once per second */ + print("trying to reset mcp23018\n"); + mcp23018_status = init_mcp23018(); + if (mcp23018_status) { + print("left side not responding\n"); + } else { + print("left side attached\n"); + } + } + } + + /* Set row, read cols */ + for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) { +# if (DEBOUNCING_DELAY > 0) + bool matrix_changed = read_cols_on_row(matrix_debouncing, current_row); + + if (matrix_changed) { + debouncing = true; + debouncing_time = timer_read(); + } +# else + read_cols_on_row(matrix, current_row); +# endif + } + +# if (DEBOUNCING_DELAY > 0) + if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCING_DELAY)) { + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + matrix[i] = matrix_debouncing[i]; + } + debouncing = false; + } +# endif + + matrix_scan_quantum(); + return 1; +} + +bool matrix_is_modified(void) +{ +#if (DEBOUNCING_DELAY > 0) + if (debouncing) return false; +#endif + return true; +} + +inline +bool matrix_is_on(uint8_t row, uint8_t col) +{ + return (matrix[row] & ((matrix_row_t)1> 4) + 1) &= ~_BV(pin & 0xF); /* IN */ + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); /* HI */ + } +} + +static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) +{ + /* Store last value of row prior to reading */ + matrix_row_t last_row_value = current_matrix[current_row]; + + /* Clear data in matrix row */ + current_matrix[current_row] = 0; + + /* Select row and wait for row selecton to stabilize */ + select_row(current_row); + wait_us(30); + + if (mcp23018_status) { + /* if there was an error */ + return 0; + } else { + uint16_t data = 0; + mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out; + mcp23018_status = i2c_start(I2C_ADDR_READ); if (mcp23018_status) goto out; + data = i2c_readNak(); + data = ~data; + out: + i2c_stop(); + current_matrix[current_row] |= (data << 8); + } + + /* For each col... */ + for(uint8_t col_index = 0; col_index < ATMEGA_COLS; col_index++) { + /* Select the col pin to read (active low) */ + uint8_t pin = col_pins[col_index]; + uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)); + + /* Populate the matrix row with the state of the col pin */ + current_matrix[current_row] |= pin_state ? 0 : (ROW_SHIFTER << col_index); + } + + /* Unselect row */ + unselect_rows(); + + return (last_row_value != current_matrix[current_row]); +} + +static void select_row(uint8_t row) +{ + if (mcp23018_status) { + /* if there was an error do nothing */ + } else { + /* set active row low : 0 + set active row output : 1 + set other rows hi-Z : 1 */ + mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPIOB); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0xFF & ~(1<> 4) + 1) |= _BV(pin & 0xF); /* OUT */ + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); /* LOW */ +} + +static void unselect_rows(void) +{ + for(uint8_t x = 0; x < MATRIX_ROWS; x++) { + uint8_t pin = row_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); /* IN */ + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); /* HI */ + } +} -- cgit v1.2.3