49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
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/*
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* Example of using MAX7219 driver with 8x8 LED Matrix displays
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*
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* MAX7219 driver uses the hardware SPI bus, so connect with pinout:
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* DIN -> HSPID/HMOSI
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* CS -> HSPICS/HCS
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* CLK -> HSPICLK/HSCLK
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*/
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#include <esp/uart.h>
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#include <espressif/esp_common.h>
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#include <stdio.h>
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#include <max7219/max7219.h>
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#include <FreeRTOS.h>
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#include <task.h>
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#include "./digit_font.h"
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#define CS_PIN 15
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#define DELAY 1000
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static max7219_display_t disp = {
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.cs_pin = CS_PIN,
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.digits = 8,
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.cascade_size = 4,
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.mirrored = false
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};
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void user_init(void) {
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uart_set_baud(0, 115200);
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printf("SDK version:%s\n", sdk_system_get_sdk_version());
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max7219_init(&disp);
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//max7219_set_decode_mode(&disp, true);
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uint8_t counter = 0;
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while (true) {
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max7219_clear(&disp);
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max7219_draw_image_8x8(&disp, 0, DIGITS[counter % 10]);
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max7219_draw_image_8x8(&disp, 1, DIGITS[(counter+1) % 10]);
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max7219_draw_image_8x8(&disp, 2, DIGITS[(counter+2) % 10]);
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max7219_draw_image_8x8(&disp, 3, DIGITS[(counter+3) % 10]);
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vTaskDelay(DELAY / portTICK_PERIOD_MS);
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counter++;
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}
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}
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