From 17c0ca6fa4f7b6f65b4442c2f5bc32fee914b376 Mon Sep 17 00:00:00 2001 From: peepeetee <43021794+peepeetee@users.noreply.github.com> Date: Sat, 12 Feb 2022 11:54:48 +0800 Subject: [Keyboard] move g heavy industry boards into /gboards (#16040) Co-authored-by: zvecr --- keyboards/gboards/gergo/matrix.c | 440 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 440 insertions(+) create mode 100644 keyboards/gboards/gergo/matrix.c (limited to 'keyboards/gboards/gergo/matrix.c') diff --git a/keyboards/gboards/gergo/matrix.c b/keyboards/gboards/gergo/matrix.c new file mode 100644 index 0000000000..443e97132b --- /dev/null +++ b/keyboards/gboards/gergo/matrix.c @@ -0,0 +1,440 @@ +/* + +Copyright 2013 Oleg Kostyuk + +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 "matrix.h" +#include +#include +#include +#include "wait.h" +#include "action_layer.h" +#include "print.h" +#include "debug.h" +#include "util.h" +#include "debounce.h" +#include QMK_KEYBOARD_H + +#ifdef BALLER +#include +#include "pointing_device.h" +#endif + +#ifndef DEBOUNCE +# define DEBOUNCE 5 +#endif + +// MCP Pin Defs +#define RROW1 (1u<<3) +#define RROW2 (1u<<2) +#define RROW3 (1u<<1) +#define RROW4 (1u<<0) +#define COL0 (1u<<0) +#define COL1 (1u<<1) +#define COL2 (1u<<2) +#define COL3 (1u<<3) +#define COL4 (1u<<4) +#define COL5 (1u<<5) +#define COL6 (1u<<6) + +// ATmega pin defs +#define ROW1 (1u<<6) +#define ROW2 (1u<<5) +#define ROW3 (1u<<4) +#define ROW4 (1u<<1) +#define COL7 (1u<<0) +#define COL8 (1u<<1) +#define COL9 (1u<<2) +#define COL10 (1u<<3) +#define COL11 (1u<<2) +#define COL12 (1u<<3) +#define COL13 (1u<<6) + +//Trackball pin defs +#define TRKUP (1u<<4) +#define TRKDN (1u<<5) +#define TRKLT (1u<<6) +#define TRKRT (1u<<7) +#define TRKBTN (1u<<6) + + +// Multiple for mouse moves +#ifndef TRKSTEP +#define TRKSTEP 20 +#endif + +// multiple for mouse scroll +#ifndef SCROLLSTEP +#define SCROLLSTEP 5 +#endif + +// bit masks +#define BMASK (COL7 | COL8 | COL9 | COL10) +#define CMASK (COL13) +#define DMASK (COL11 | COL12) +#define FMASK (ROW1 | ROW2 | ROW3 | ROW4) +#define RROWMASK (RROW1 | RROW2 | RROW3 | RROW4) +#define MCPMASK (COL0 | COL1 | COL2 | COL3 | COL4 | COL5 | COL6) +#define TRKMASK (TRKUP | TRKDN | TRKRT | TRKLT) + +// Trackball interrupts accumulate over here. Processed on scan +// Stores prev state of mouse, high bits store direction +uint8_t trkState = 0; +uint8_t trkBtnState = 0; + +volatile uint8_t tbUpCnt = 0; +volatile uint8_t tbDnCnt = 0; +volatile uint8_t tbLtCnt = 0; +volatile uint8_t tbRtCnt = 0; + +/* matrix state(1:on, 0:off) */ +static matrix_row_t matrix[MATRIX_ROWS]; +/* + * matrix state(1:on, 0:off) + * contains the raw values without debounce filtering of the last read cycle. + */ +static matrix_row_t raw_matrix[MATRIX_ROWS]; + +// Debouncing: store for each key the number of scans until it's eligible to +// change. When scanning the matrix, ignore any changes in keys that have +// already changed in the last DEBOUNCE scans. + +static matrix_row_t read_cols(uint8_t row); +static void init_cols(void); +static void unselect_rows(void); +static void select_row(uint8_t row); +static void enableInterrupts(void); + +static uint8_t mcp23018_reset_loop; +// static uint16_t mcp23018_reset_loop; + +__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(); +} + +inline uint8_t matrix_rows(void) { return MATRIX_ROWS; } + +inline uint8_t matrix_cols(void) { return MATRIX_COLS; } + + +void matrix_init(void) { + // initialize row and col + mcp23018_status = init_mcp23018(); + unselect_rows(); + init_cols(); + + // initialize matrix state: all keys off + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + raw_matrix[i] = 0; + } + + debounce_init(MATRIX_ROWS); + matrix_init_quantum(); +} + +void matrix_power_up(void) { + mcp23018_status = init_mcp23018(); + + unselect_rows(); + init_cols(); + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + } +} + +// Reads and stores a row, returning +// whether a change occurred. +static inline bool store_raw_matrix_row(uint8_t index) { + matrix_row_t temp = read_cols(index); + if (raw_matrix[index] != temp) { + raw_matrix[index] = temp; + return true; + } + return false; +} + + + +uint8_t matrix_scan(void) { + // TODO: Find what is trashing interrupts + enableInterrupts(); + + // First we handle the mouse inputs +#ifdef BALLER + uint8_t pBtn = PINE & TRKBTN; + + #ifdef DEBUG_BALLER + // Compare to previous, mod report + if (tbUpCnt + tbDnCnt + tbLtCnt + tbRtCnt != 0) + xprintf("U: %d D: %d L: %d R: %d B: %d\n", tbUpCnt, tbDnCnt, tbLtCnt, tbRtCnt, (trkBtnState >> 6)); + #endif + + // Modify the report + report_mouse_t pRprt = pointing_device_get_report(); + + // Scroll by default, move on layer + if (layer_state == 0) { + pRprt.h += tbLtCnt * SCROLLSTEP; tbLtCnt = 0; + pRprt.h -= tbRtCnt * SCROLLSTEP; tbRtCnt = 0; + pRprt.v -= tbUpCnt * SCROLLSTEP; tbUpCnt = 0; + pRprt.v += tbDnCnt * SCROLLSTEP; tbDnCnt = 0; + } else { + pRprt.x -= tbLtCnt * TRKSTEP * (layer_state - 1); tbLtCnt = 0; + pRprt.x += tbRtCnt * TRKSTEP * (layer_state - 1); tbRtCnt = 0; + pRprt.y -= tbUpCnt * TRKSTEP * (layer_state - 1); tbUpCnt = 0; + pRprt.y += tbDnCnt * TRKSTEP * (layer_state - 1); tbDnCnt = 0; + } + +#ifdef DEBUG_BALLER + if (pRprt.x != 0 || pRprt.y != 0) + xprintf("X: %d Y: %d\n", pRprt.x, pRprt.y); +#endif + + if ((pBtn != trkBtnState) && ((pBtn >> 6) == 0)) pRprt.buttons |= MOUSE_BTN1; + if ((pBtn != trkBtnState) && ((pBtn >> 6) == 1)) pRprt.buttons &= ~MOUSE_BTN1; + + // Save state, push update + if (pRprt.x != 0 || pRprt.y != 0 || pRprt.h != 0 || pRprt.v != 0 || (trkBtnState != pBtn)) + pointing_device_set_report(pRprt); + + trkBtnState = pBtn; +#endif + + // Then the keyboard + if (mcp23018_status) { // if there was an error + if (++mcp23018_reset_loop == 0) { + // if (++mcp23018_reset_loop >= 1300) { + // 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"); + } + } + } + + bool changed = false; + for (uint8_t i = 0; i < MATRIX_ROWS_PER_SIDE; i++) { + // select rows from left and right hands + uint8_t left_index = i; + uint8_t right_index = i + MATRIX_ROWS_PER_SIDE; + select_row(left_index); + select_row(right_index); + + // we don't need a 30us delay anymore, because selecting a + // left-hand row requires more than 30us for i2c. + + changed |= store_raw_matrix_row(left_index); + changed |= store_raw_matrix_row(right_index); + + unselect_rows(); + } + + debounce(raw_matrix, matrix, MATRIX_ROWS, changed); + matrix_scan_quantum(); + + enableInterrupts(); + +#ifdef DEBUG_MATRIX + for (uint8_t c = 0; c < MATRIX_COLS; c++) + for (uint8_t r = 0; r < MATRIX_ROWS; r++) + if (matrix_is_on(r, c)) xprintf("r:%d c:%d \n", r, c); +#endif + + return 1; +} + +inline bool matrix_is_on(uint8_t row, uint8_t col) { return (matrix[row] & ((matrix_row_t)1 << col)); } + +inline matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; } + +void matrix_print(void) { + print("\nr/c 0123456789ABCDEF\n"); + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + print_hex8(row); print(": "); + print_bin_reverse16(matrix_get_row(row)); + print("\n"); + } +} + +uint8_t matrix_key_count(void) { + uint8_t count = 0; + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + count += bitpop16(matrix[i]); + } + return count; +} + +// Remember this means ROWS +static void init_cols(void) { + // init on mcp23018 + // not needed, already done as part of init_mcp23018() + + // Input with pull-up(DDR:0, PORT:1) + DDRF &= ~FMASK; + PORTF |= FMASK; +} + +static matrix_row_t read_cols(uint8_t row) { + if (row < 7) { + if (mcp23018_status) { // if there was an error + return 0; + } else { + uint8_t data = 0; + mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPIOB, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_start(I2C_ADDR_READ, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_read_nack(I2C_TIMEOUT); if (mcp23018_status < 0) goto out; + data = ~((uint8_t)mcp23018_status); + mcp23018_status = I2C_STATUS_SUCCESS; + out: + i2c_stop(); + +#ifdef DEBUG_MATRIX + if (data != 0x00) xprintf("I2C: %d\n", data); +#endif + return data; + } + } else { + /* read from teensy + * bitmask is 0b0111001, but we want the lower four + * we'll return 1s for the top two, but that's harmless. + */ + // So I need to confuckulate all this + //return ~(((PIND & DMASK) >> 1 | ((PINC & CMASK) >> 6) | (PIN))); + //return ~((PINF & 0x03) | ((PINF & 0xF0) >> 2)); + return ~( + (((PINF & ROW4) >> 1) + | ((PINF & (ROW1 | ROW2 | ROW3)) >> 3)) + & 0xF); + } +} + +// Row pin configuration +static void unselect_rows(void) +{ + // no need to unselect on mcp23018, because the select step sets all + // the other row bits high, and it's not changing to a different + // direction + // Hi-Z(DDR:0, PORT:0) to unselect + DDRB &= ~(BMASK | TRKMASK); + PORTB &= ~(BMASK); + DDRC &= ~CMASK; + PORTC &= ~CMASK; + DDRD &= ~DMASK; + PORTD &= ~DMASK; + + // Fix trashing of DDRB for TB + PORTB |= TRKMASK; +} + +static void select_row(uint8_t row) +{ + if (row < 7) { + // select on mcp23018 + if (mcp23018_status) { // do nothing on error + } else { // set active row low : 0 // set other rows hi-Z : 1 + mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(GPIOA, I2C_TIMEOUT); if (mcp23018_status) goto out; + mcp23018_status = i2c_write(0xFF & ~(1<