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112 lines
2.2 KiB
112 lines
2.2 KiB
/**
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**************************************************************************************************
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* @file max7219.h
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* @author Kerem Yollu & Edwin Koch
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* @date 25.08.2022
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* @version 1.0
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**************************************************************************************************
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* @brief
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*
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* **Detailed Description :**
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*
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* @todo
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**************************************************************************************************
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*/
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#ifndef _MAX7219_H_
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#define _MAX7219_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "spi.h"
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#include "pin.h"
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typedef enum{
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NO_DECODE_DIGIT_7_TO_0 = 0x00,
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CODE_B_DECODE_ONLY_DIGIT_0 = 0x01,
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CODE_B_DECODE_ONLY_DIGIT_3_TO_0 = 0x0F,
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CODE_B_DECOD_DIGIT_7_TO_0 = 0xFF
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}max7219_decodeMode_t;
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typedef enum{
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DISPLAY_DIGIT_0 = 0x00,
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DISPLAY_DIGIT_1_TO_0 = 0x01,
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DSIPLAX_DIGIT_2_TO_0 = 0x02,
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DSIPLAX_DIGIT_3_TO_0 = 0x03,
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DSIPLAX_DIGIT_4_TO_0 = 0x04,
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DSIPLAX_DIGIT_5_TO_0 = 0x05,
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DSIPLAX_DIGIT_6_TO_0 = 0x06,
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DSIPLAX_DIGIT_7_TO_0 = 0x07
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}max7219_scanLimit_t;
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typedef struct{
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spi_ch_t *spiCH;
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}max7219_t;
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void max7219_init(
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max7219_t *display,
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spi_ch_t *spi_ch);
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void max7219_testDisplay(
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max7219_t *display,
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uint8_t logic);
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void max7219_shutdownDiaply(
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max7219_t *display,
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uint8_t logic);
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void max7219_setDecodeMode(
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max7219_t *display,
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max7219_decodeMode_t dmode);
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void max7219_setIntensity(
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max7219_t *display,
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uint8_t intensity);
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void max7219_setScanLimit(
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max7219_t *display,
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max7219_scanLimit_t slimit);
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void max7219_setAllLEDsOff(
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max7219_t *display);
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void max7219_ledMatrixSetLED(
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max7219_t *display,
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uint8_t row,
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uint8_t col);
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void max7219_rawWrite(
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max7219_t *display,
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uint8_t reg,
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uint8_t data);
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void max7219_printLedMatrix(
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max7219_t *display,
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uint8_t matrix[]);
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void max7219_ledMatrixUnsetLED(
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max7219_t *display,
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uint8_t row,
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uint8_t col);
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#if 0
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// daysichained matrix
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typedef struct{
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spi_ch_t *spiCH;
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uint8_t nDevices;
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}max7219_dm_t;
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void max7219_dm_write(
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max7219_dm_t *matrix,
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uint8_t **data);
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#endif
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#ifdef _cplusplus
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}
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#endif
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#endif // _MAX7219_H_
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