mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-26 03:19:54 +00:00
9d0b7ab9b9
* 2x1800 2021 * add support for writing a whole frame at a time * improvements * wip * fix scrolling * small tweak * add a buffer that's larger than the display * add the start of a font * working upper and lower case letters * add qmk animation * integrate the message sign into the qmk task system * add encoder defaults * add MAX7219_LED_CUSTOM to config.h * tweaks * remove unneeded keymaps * add a keymap showing how to control the signboard * cleanup * cleanup * add a way to disable the startup test * make it easier to define options at the keymap level * Fix define names Co-authored-by: Greg Cochard <gcochard@users.noreply.github.com> * Apply suggestions from gcochard Co-authored-by: Greg Cochard <gcochard@users.noreply.github.com> * feedback from noroads * format info.json Co-authored-by: Greg Cochard <gcochard@users.noreply.github.com>
88 lines
3.2 KiB
C
88 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2021 Zach White <skullydazed@gmail.com>
|
|
* Copyright (c) 2007 Eberhard Fahle
|
|
*
|
|
* max7219.h - A library for controling Leds with a MAX7219/MAX7221
|
|
*
|
|
* 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:
|
|
*
|
|
* 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.
|
|
*/
|
|
#pragma once
|
|
#include "quantum.h"
|
|
#include "spi_master.h"
|
|
|
|
// Set defaults if they're not set
|
|
#ifndef MAX7219_LOAD
|
|
# define MAX7219_LOAD B0
|
|
#endif
|
|
|
|
#ifndef MAX7219_CONTROLLERS
|
|
# define MAX7219_CONTROLLERS 4
|
|
#endif
|
|
|
|
#ifndef MAX7219_LED_INTENSITY
|
|
# define MAX7219_LED_INTENSITY 1
|
|
#endif
|
|
|
|
#ifndef MAX7219_SCROLL_TIME
|
|
# define MAX7219_SCROLL_TIME 100
|
|
#endif
|
|
|
|
#ifndef MAX7219_BUFFER_MULTIPLIER
|
|
# define MAX7219_BUFFER_MULTIPLIER 24
|
|
#endif
|
|
|
|
#if !defined(MAX7219_LED_TEST) && !defined(MAX7219_LED_ITERATE) && !defined(MAX7219_LED_DANCE) && !defined(MAX7219_LED_FONTTEST) && !defined(MAX7219_LED_CLUEBOARD) && !defined(MAX7219_LED_KONAMI) && !defined(MAX7219_LED_QMK_POWERED) && !defined(MAX7219_DRAWING_TOY_MODE) && !defined(MAX7219_LED_CUSTOM)
|
|
# define MAX7219_QMK_POWERED
|
|
#endif
|
|
|
|
// Configure our MAX7219's
|
|
#define MAX_BYTES MAX7219_CONTROLLERS * 2
|
|
#define LED_COUNT MAX7219_CONTROLLERS * 64
|
|
#define MAX7219_BUFFER_SIZE MAX7219_CONTROLLERS*MAX7219_BUFFER_MULTIPLIER
|
|
|
|
// Opcodes for the MAX7219
|
|
#define OP_DECODEMODE 9
|
|
#define OP_INTENSITY 10
|
|
#define OP_SCANLIMIT 11
|
|
#define OP_SHUTDOWN 12
|
|
#define OP_DISPLAYTEST 15
|
|
|
|
// Datastructures
|
|
extern uint8_t max7219_led_a[8][MAX7219_BUFFER_SIZE];
|
|
extern bool max7219_led_scrolling;
|
|
|
|
// Functions
|
|
void max7219_write(int device_num, volatile uint8_t opcode, volatile uint8_t data);
|
|
void max7219_write_all(void);
|
|
void max7219_write_frame(void);
|
|
void max7219_clear_display(void);
|
|
void max7219_display_test(int device_num, bool enabled);
|
|
void max7219_init(void);
|
|
void max7219_message_sign(uint8_t message[][6], size_t message_len);
|
|
void max7219_message_sign_task(bool loop_message);
|
|
void max7219_set_decode_mode(int device_num, int mode);
|
|
void max7219_set_intensity(int device_num, int intensity);
|
|
void max7219_set_led(int row, int column, bool state);
|
|
void max7219_set_all_leds(uint8_t led_matrix[LED_COUNT]);
|
|
void max7219_set_scan_limit(int device_num, int limit);
|
|
void max7219_shutdown(int device_num, bool is_in_shutdown);
|