/** * 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 . * */ /** * This module is off by default, but can be enabled to facilitate the display of * extra debug information during code development. * * 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. * * If you are using the Max7219 matrix for firmware debug purposes in time sensitive * areas of the code, please be aware that the orientation (rotation) of the display can * affect the speed. The Max7219 can update a single column fairly fast. It is much * faster to do a Max7219_Set_Column() with a rotation of 90 or 270 degrees than to do * a Max7219_Set_Row(). The opposite is true for rotations of 0 or 180 degrees. */ #ifndef __MAX7219_DEBUG_LEDS_H__ #define __MAX7219_DEBUG_LEDS_H__ // // 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_decodeMode 0x09 #define max7219_reg_intensity 0x0A #define max7219_reg_scanLimit 0x0B #define max7219_reg_shutdown 0x0C #define max7219_reg_displayTest 0x0F void Max7219_init(); void Max7219_PutByte(uint8_t data); void Max7219_pulse_load(); // Set a single register (e.g., a whole native row) void Max7219(const uint8_t reg, const uint8_t data); // Set a single LED by XY coordinate void Max7219_LED_Set(const uint8_t x, const uint8_t y, const bool on); void Max7219_LED_On(const uint8_t x, const uint8_t y); void Max7219_LED_Off(const uint8_t x, const uint8_t y); void Max7219_LED_Toggle(const uint8_t x, const uint8_t y); // Set all LEDs in a single column void Max7219_Set_Column(const uint8_t col, const uint32_t val); void Max7219_Clear_Column(const uint8_t col); // Set all LEDs in a single row void Max7219_Set_Row(const uint8_t row, const uint32_t val); void Max7219_Clear_Row(const uint8_t row); // 16 and 32 bit versions of Row and Column functions // Multiple rows and columns will be used to display the value if // the array of matrix LED's is too narrow to accomplish the goal void Max7219_Set_Rows_16bits(const uint8_t y, uint32_t val); void Max7219_Set_Rows_32bits(const uint8_t y, uint32_t val); void Max7219_Set_Columns_16bits(const uint8_t x, uint32_t val); void Max7219_Set_Columns_32bits(const uint8_t x, uint32_t val); // Quickly clear the whole matrix void Max7219_Clear(); // Apply custom code to update the matrix void Max7219_idle_tasks(); #ifndef MAX7219_ROTATE #define MAX7219_ROTATE 0 #endif #define _ROT ((MAX7219_ROTATE + 360) % 360) #if _ROT == 0 #define MAX7219_UPDATE_AXIS y // Fast line update axis for this orientation of the matrix display #define MAX7219_Y_LEDS 8 #define MAX7219_X_LEDS (MAX7219_Y_LEDS * (MAX7219_NUMBER_UNITS)) #define XOR_7219(x, y) LEDs[(x & 0xF8) + y] ^= _BV(7 - (x & 0x07)) #define SET_PIXEL_7219(x, y) LEDs[(x & 0xF8) + y] |= _BV(7 - (x & 0x07)) #define CLEAR_PIXEL_7219(x, y) LEDs[(x & 0xF8) + y] &= (_BV(7 - (x & 0x07)) ^ 0xFF) #define BIT_7219(x, y) TEST(LEDs[(x & 0xF8) + y], 7 - (x & 0x07)) #define SEND_7219(R) do {for(int8_t jj = 0; jj < MAX7219_NUMBER_UNITS; jj++) Max7219(max7219_reg_digit0 + (R & 0x7), LEDs[(R & 0x7) + jj * 8]); Max7219_pulse_load(); } while (0); #elif _ROT == 90 #define MAX7219_UPDATE_AXIS x // Fast line update axis for this orientation of the matrix display #define MAX7219_X_LEDS 8 #define MAX7219_Y_LEDS (MAX7219_X_LEDS * (MAX7219_NUMBER_UNITS)) #define XOR_7219(x, y) LEDs[x + ((MAX7219_Y_LEDS - 1 - y) & 0xF8)] ^= _BV((y & 0x7)) #define SET_PIXEL_7219(x, y) LEDs[x + ((MAX7219_Y_LEDS - 1 - y) & 0xF8)] |= _BV((y & 0x7)) #define CLEAR_PIXEL_7219(x, y) LEDs[x + ((MAX7219_Y_LEDS - 1 - y) & 0xF8)] &= (_BV((y & 0x7)) ^ 0xFF) #define BIT_7219(x, y) TEST(LEDs[x + ((MAX7219_Y_LEDS - 1 - y) & 0xF8)], (y & 0x7)) #define SEND_7219(R) do {for(int8_t jj = 0; jj < MAX7219_NUMBER_UNITS; jj++) Max7219(max7219_reg_digit0 + (R & 0x7), LEDs[(R & 0x7) + jj * 8]); Max7219_pulse_load(); } while (0); #elif _ROT == 180 #define MAX7219_UPDATE_AXIS y // Fast line update axis for this orientation of the matrix display #define MAX7219_Y_LEDS 8 #define MAX7219_X_LEDS (MAX7219_Y_LEDS * (MAX7219_NUMBER_UNITS)) #define XOR_7219(x, y) LEDs[y + (MAX7219_X_LEDS - 1 - (x)) & 0xF8] ^= _BV((x & 0x07)) #define SET_PIXEL_7219(x, y) LEDs[y + (MAX7219_X_LEDS - 1 - (x)) & 0xF8] |= _BV((x & 0x07)) #define CLEAR_PIXEL_7219(x, y) LEDs[y + (MAX7219_X_LEDS - 1 - (x)) & 0xF8] &= (_BV((x & 0x07)) ^ 0xFF) #define BIT_7219(x, y) TEST(LEDs[y + (MAX7219_X_LEDS - 1 - (x)) & 0xF8], ((x & 0x07))) #define SEND_7219(R) do {for(int8_t jj = 0; jj < MAX7219_NUMBER_UNITS; jj++) Max7219(max7219_reg_digit7 - (R & 0x7), LEDs[(R & 0x7) + jj * 8]); Max7219_pulse_load(); } while (0); #elif _ROT == 270 #define MAX7219_UPDATE_AXIS x // Fast line update axis for this orientation of the matrix display #define MAX7219_X_LEDS 8 #define MAX7219_Y_LEDS (MAX7219_X_LEDS * (MAX7219_NUMBER_UNITS)) #define XOR_7219(x, y) LEDs[x + (y & 0xF8)] ^= _BV(7 - (y & 0x7)) #define SET_PIXEL_7219(x, y) LEDs[x + (y & 0xF8)] |= _BV(7 - (y & 0x7)) #define CLEAR_PIXEL_7219(x, y) LEDs[x + (y & 0xF8)] &= (_BV(7 - (y & 0x7)) ^ 0xFF) #define BIT_7219(x, y) TEST(LEDs[x + (y & 0xF8)], 7 - (y & 0x7)) #define SEND_7219(R) do {for(int8_t jj = 0; jj < MAX7219_NUMBER_UNITS; jj++) Max7219(max7219_reg_digit7 - (R & 0x7), LEDs[(R & 0x7) + jj * 8]); Max7219_pulse_load(); } while (0); #else #error "MAX7219_ROTATE must be a multiple of +/- 90°." #endif extern uint8_t LEDs[8*MAX7219_NUMBER_UNITS]; #endif // __MAX7219_DEBUG_LEDS_H__