79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
#include <stdio.h>
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#include "pico/stdlib.h"
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#include "sda5708.h"
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#include "sda5708_fonts.h"
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#define BUF_LEN 27
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int main() {
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#if !defined(spi_default) || !defined(PICO_DEFAULT_SPI_SCK_PIN) || !defined(PICO_DEFAULT_SPI_TX_PIN) || !defined(PICO_DEFAULT_SPI_RX_PIN) || !defined(PICO_DEFAULT_SPI_CSN_PIN)
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#warning spi/spi_master example requires a board with SPI pins
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puts("Default SPI pins were not defined");
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#else
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printf("SPI master example\n");
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sda5708_init(spi_default, PICO_DEFAULT_SPI_TX_PIN, PICO_DEFAULT_SPI_SCK_PIN,
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PICO_DEFAULT_SPI_CSN_PIN, 1000);
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sda5708_clear(spi_default);
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sda5708_set_brightness(spi_default, 3);
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sda5708_set_max_current(spi_default, 0);
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/*int i = 0, a = 1;
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while(1){
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sda5708_clear(spi_default);
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sda5708_select_digit(spi_default, i);
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sda5708_write_character(spi_default, letter_O);
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i += a;
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if( i >= 7 || i <= 0) a = -a;
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}*/
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uint8_t* buf[BUF_LEN] = {
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letter_A,
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letter_B,
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letter_C,
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letter_D,
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letter_E,
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letter_F,
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letter_G,
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letter_H,
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letter_I,
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letter_J,
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letter_K,
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letter_L,
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letter_M,
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letter_N,
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letter_O,
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letter_P,
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letter_Q,
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letter_R,
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letter_S,
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letter_T,
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letter_U,
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letter_V,
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letter_W,
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letter_X,
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letter_Y,
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letter_Z,
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character_empty
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};
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int off = 0;
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while(1){
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sda5708_clear(spi_default);
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for(int i = 0; i < 8; i++){
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sda5708_select_digit(spi_default, i);
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sda5708_write_character(spi_default, buf [(off+i) % BUF_LEN]);
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}
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off = (off+1) % BUF_LEN;
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sleep_ms(350);
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}
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#endif
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}
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