From 19fd20261b895a6848c8b15fd7365d5b87b7fd72 Mon Sep 17 00:00:00 2001 From: Gabriel Young Date: Sat, 18 Mar 2017 16:19:10 -0700 Subject: sketch out frosty flake matrix using custom matrix.c based on kitten paw --- keyboards/frosty_flake/config.h | 24 +++--- keyboards/frosty_flake/matrix.c | 167 ++++++++++++++++++++++++++++++++++++++++ keyboards/frosty_flake/rules.mk | 7 +- 3 files changed, 187 insertions(+), 11 deletions(-) create mode 100644 keyboards/frosty_flake/matrix.c diff --git a/keyboards/frosty_flake/config.h b/keyboards/frosty_flake/config.h index 9390feb949..2575a52b18 100644 --- a/keyboards/frosty_flake/config.h +++ b/keyboards/frosty_flake/config.h @@ -24,13 +24,19 @@ along with this program. If not, see . #define VENDOR_ID 0xFEED #define PRODUCT_ID 0x6060 #define DEVICE_VER 0x0001 -#define MANUFACTURER You +#define MANUFACTURER Bathroom Epiphanies #define PRODUCT frosty_flake -#define DESCRIPTION A custom keyboard +#define DESCRIPTION Frosty Flake controller for the CM Storm Quick Fire Rapid + +/* + * Frosty Flake Rev. 20140521 made by Bathroom Ephiphanies + * Schematic is available at https://deskthority.net/w/images/a/a4/Frosty_Flake_Schematics.pdf + * + */ /* key matrix size */ -#define MATRIX_ROWS 2 -#define MATRIX_COLS 3 +#define MATRIX_ROWS 8 // Row0 to Row7 in the schematic +#define MATRIX_COLS 18 // ColA to ColR in the schematic /* * Keyboard Matrix Assignments @@ -42,13 +48,13 @@ along with this program. If not, see . * ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode) * */ -#define MATRIX_ROW_PINS { D0, D5 } -#define MATRIX_COL_PINS { F1, F0, B0 } -#define UNUSED_PINS +//#define MATRIX_ROW_PINS { D5, D4, D6, D2, D1, D0 } +//#define MATRIX_COL_PINS << n/a >> +//#define UNUSED_PINS { B0, C4, D3 } /* COL2ROW, ROW2COL, or CUSTOM_MATRIX */ -#define DIODE_DIRECTION COL2ROW - +//#define DIODE_DIRECTION << n/a >> + // #define BACKLIGHT_PIN B7 // #define BACKLIGHT_BREATHING // #define BACKLIGHT_LEVELS 3 diff --git a/keyboards/frosty_flake/matrix.c b/keyboards/frosty_flake/matrix.c new file mode 100644 index 0000000000..21b0d90885 --- /dev/null +++ b/keyboards/frosty_flake/matrix.c @@ -0,0 +1,167 @@ +//TODO(gabe): customize for frosty flake + +/* + Copyright 2014 Ralf Schmitt + + 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 +#include +#include +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" + +#ifndef DEBOUNCING_DELAY +# define DEBOUNCING_DELAY 5 +#endif +static uint8_t debouncing = DEBOUNCING_DELAY; + +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +static uint8_t read_rows(void); +static void select_col(uint8_t col); + +inline uint8_t matrix_rows(void) { + return MATRIX_ROWS; +} + +inline uint8_t matrix_cols(void) { + return MATRIX_COLS; +} + +/* Column pin configuration + * + * col: 0 1 2 3 4 5 6 7 + * pin: PC7 PD5 PD3 PD1 PC2 PD6 PD4 PD2 + * + * Rrr pin configuration + * + * These rrrs uses one 74HC154 4 to 16 bit demultiplexer (low + * active), together with 2 rrrs driven directly from the micro + * controller, to control the 18 rrrs. The rrrs are driven from + * pins B6,5,4,3,2,1,0. + */ +void matrix_init(void) { + DDRC &= ~0b10000100; // Row input pins + DDRD &= ~0b01111110; + PORTC |= 0b10000100; + PORTD |= 0b01111110; + + DDRB |= 0b01111111; // Column output pins + + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } + matrix_init_quantum(); +} + +uint8_t matrix_scan(void) { + for (uint8_t col = 0; col < MATRIX_COLS; col++) { + select_col(col); + _delay_us(3); + uint8_t rows = read_rows(); + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<