89 lines
3.4 KiB
C
89 lines
3.4 KiB
C
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* This module is off by default, but can be enabled to facilitate the display of
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* extra debug information during code development. It assumes the existence of a
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* Max7219 LED Matrix. A suitable device can be obtained on eBay similar to this:
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* http://www.ebay.com/itm/191781645249 for under $2.00 including shipping.
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*
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* Just connect up +5v and GND to give it power, then connect up the pins assigned
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* in Configuration_adv.h. For example, on the Re-ARM you could use:
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*
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* #define MAX7219_CLK_PIN 77
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* #define MAX7219_DIN_PIN 78
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* #define MAX7219_LOAD_PIN 79
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*
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* Max7219_init() is called automatically at startup, and then there are a number of
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* support functions available to control the LEDs in the 8x8 grid.
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*
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* void Max7219_init();
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* void Max7219_PutByte(uint8_t data);
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* void Max7219(uint8_t reg, uint8_t data);
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* void Max7219_LED_Set(uint8_t row, uint8_t col, bool on);
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* void Max7219_LED_On(uint8_t row, uint8_t col);
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* void Max7219_LED_Off(uint8_t row, uint8_t col);
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* void Max7219_LED_Toggle(uint8_t row, uint8_t col);
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* void Max7219_Clear_Row(uint8_t row);
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* void Max7219_Clear_Column(uint8_t col);
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* void Max7219_Set_Row(uint8_t row, uint8_t val);
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* void Max7219_Set_Column(uint8_t col, uint8_t val);
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* void Max7219_idle_tasks();
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*/
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#ifndef __MAX7219_DEBUG_LEDS_H__
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#define __MAX7219_DEBUG_LEDS_H__
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//
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// define max7219 registers
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//
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#define max7219_reg_noop 0x00
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#define max7219_reg_digit0 0x01
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#define max7219_reg_digit1 0x02
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#define max7219_reg_digit2 0x03
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#define max7219_reg_digit3 0x04
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#define max7219_reg_digit4 0x05
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#define max7219_reg_digit5 0x06
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#define max7219_reg_digit6 0x07
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#define max7219_reg_digit7 0x08
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#define max7219_reg_intensity 0x0A
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#define max7219_reg_displayTest 0x0F
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#define max7219_reg_decodeMode 0x09
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#define max7219_reg_scanLimit 0x0B
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#define max7219_reg_shutdown 0x0C
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void Max7219_init();
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void Max7219_PutByte(uint8_t data);
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void Max7219(const uint8_t reg, const uint8_t data);
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void Max7219_LED_Set(const uint8_t row, const uint8_t col, const bool on);
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void Max7219_LED_On(const uint8_t row, const uint8_t col);
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void Max7219_LED_Off(const uint8_t row, const uint8_t col);
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void Max7219_LED_Toggle(const uint8_t row, const uint8_t col);
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void Max7219_Clear_Row(const uint8_t row);
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void Max7219_Clear_Column(const uint8_t col);
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void Max7219_Set_Row(const uint8_t row, const uint8_t val);
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void Max7219_Set_Column(const uint8_t col, const uint8_t val);
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void Max7219_idle_tasks();
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#endif // __MAX7219_DEBUG_LEDS_H__
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