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Fix to have load pin working with SPI1.
Fork of Max7221 by
MAX7221/Max7221.h
- Committer:
- jakowisp
- Date:
- 2013-08-06
- Revision:
- 1:d8589d1f368c
- Child:
- 2:828c62cc1861
File content as of revision 1:d8589d1f368c:
#ifndef Max7221_H #define Max7221_H // define max7219/max7221 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 #define LOW 0 #define HIGH 1 #define MHZ 1000000 #define NUMDIGITS 8 #ifdef NUMDIGITS #define UPPERBOUND 99999999 #define LOWERBOUND -9999999 #endif class Max7221 { public: Max7221(PinName msoi=p5, PinName mclk=p7, PinName load=p8); void Write( unsigned int reg, unsigned int col); void WriteInt( int value ); void WriteFloat( float value); Max7221& operator= (int value){ WriteInt(value); return *this; }; Max7221& operator= (float value){ WriteFloat(value); return *this; }; void Setup (void); static void WriteAll (unsigned int reg, unsigned int col); static void SetupAll (void); private: SPI *max72_spi; DigitalOut *load; int id; int *maxInUse; static SPI *spi1; static SPI *spi2; static DigitalOut *load1; static DigitalOut *load2; static int maxInUseSPI1; static int maxInUseSPI2; }; #endif