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MarlinFirmware/Marlin/src/feature/Max7219_Debug_LEDs.h
Roxy-3D 6cb26c98c8 Fix Baby Stepping on 32-Bit platforms (#8001)
Also, Max7219 debug code was used for this effort.   It has been
improved and hardened.
2017-10-16 16:29:37 -05:00

91 lines
3.4 KiB
C

/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* 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 3 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 <http://www.gnu.org/licenses/>.
*
*/
/**
* This module is off by default, but can be enabled to facilitate the display of
* extra debug information during code development. It assumes the existence of a
* Max7219 LED Matrix. A suitable device can be obtained on eBay similar to this:
* http://www.ebay.com/itm/191781645249 for under $2.00 including shipping.
*
* Just connect up +5v and GND to give it power, then connect up the pins assigned
* in Configuration_adv.h. For example, on the Re-ARM you could use:
*
* #define MAX7219_CLK_PIN 77
* #define MAX7219_DIN_PIN 78
* #define MAX7219_LOAD_PIN 79
*
* Max7219_init() is called automatically at startup, and then there are a number of
* support functions available to control the LEDs in the 8x8 grid.
*
* void Max7219_init();
* void Max7219_PutByte(uint8_t data);
* void Max7219(uint8_t reg, uint8_t data);
* void Max7219_LED_Set(uint8_t row, uint8_t col, bool on);
* void Max7219_LED_On(uint8_t col, uint8_t row);
* void Max7219_LED_Off(uint8_t col, uint8_t row);
* void Max7219_LED_Toggle(uint8_t row, uint8_t col);
* void Max7219_Clear_Row(uint8_t row);
* void Max7219_Clear_Column(uint8_t col);
* void Max7219_Set_Row(uint8_t row, uint8_t val);
* void Max7219_Set_2_Rows(uint8_t row, uint16_t val);
* void Max7219_Set_4_Rows(uint8_t row, uint32_t val);
* void Max7219_Set_Column(uint8_t col, uint8_t val);
* void Max7219_idle_tasks();
*/
#ifndef __MAX7219_DEBUG_LEDS_H__
#define __MAX7219_DEBUG_LEDS_H__
//
// define max7219 registers
//
#define max7219_reg_noop 0x00
#define max7219_reg_digit0 0x01
#define max7219_reg_digit1 0x02
#define max7219_reg_digit2 0x03
#define max7219_reg_digit3 0x04
#define max7219_reg_digit4 0x05
#define max7219_reg_digit5 0x06
#define max7219_reg_digit6 0x07
#define max7219_reg_digit7 0x08
#define max7219_reg_intensity 0x0A
#define max7219_reg_displayTest 0x0F
#define max7219_reg_decodeMode 0x09
#define max7219_reg_scanLimit 0x0B
#define max7219_reg_shutdown 0x0C
void Max7219_init();
void Max7219_PutByte(uint8_t data);
void Max7219(const uint8_t reg, const uint8_t data);
void Max7219_LED_Set(const uint8_t row, const uint8_t col, const bool on);
void Max7219_LED_On(const uint8_t row, const uint8_t col);
void Max7219_LED_Off(const uint8_t row, const uint8_t col);
void Max7219_LED_Toggle(const uint8_t row, const uint8_t col);
void Max7219_Clear_Row(const uint8_t row);
void Max7219_Clear_Column(const uint8_t col);
void Max7219_Set_Row(const uint8_t row, const uint8_t val);
void Max7219_Set_Column(const uint8_t col, const uint8_t val);
void Max7219_idle_tasks();
#endif // __MAX7219_DEBUG_LEDS_H__