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47 lines
935 B
47 lines
935 B
#ifndef MATRIXDSP_H
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#define MATRIXDSP_H
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#include <main.h>
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#define MDSP_SPIx SPI1
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#define MDSP_NSS_GPIO GPIOA
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#define MDSP_NSS_PIN GPIO_Pin_4;
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#define MDSP_CHAIN_COUNT 4
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#define MDSP_COLUMN_COUNT (MDSP_CHAIN_COUNT*8)
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typedef enum {
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CMD_NOOP = 0x00,
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CMD_DIGIT0 = 0x01,
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CMD_DIGIT1 = 0x02,
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CMD_DIGIT2 = 0x03,
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CMD_DIGIT3 = 0x04,
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CMD_DIGIT4 = 0x05,
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CMD_DIGIT5 = 0x06,
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CMD_DIGIT6 = 0x07,
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CMD_DIGIT7 = 0x08,
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CMD_DECODE_MODE = 0x09,
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CMD_INTENSITY = 0x0A,
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CMD_SCAN_LIMIT = 0x0B,
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CMD_SHUTDOWN = 0x0C,
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CMD_DISPLAY_TEST = 0x0F,
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} MDSP_Command;
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void mdsp_set(uint8_t column, uint8_t bits);
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void mdsp_clear(void);
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/**
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* @brief Send a command to n-th chained driver
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* @param idx Driver index (0, 1, 2 ...)
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* @param cmd command to send
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* @param data command argument
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*/
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void mdsp_send_command(uint8_t idx, MDSP_Command cmd, uint8_t data);
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void mdsp_send_command_all(MDSP_Command cmd, uint8_t data);
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#endif // MATRIXDSP_H
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