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55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
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/* Copyright 2009-2011 Oleg Mazurov, Circuits At Home, http://www.circuitsathome.com */
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/* MAX3421E functions */
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#ifndef _MAX3421E_H_
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#define _MAX3421E_H_
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//#include <Spi.h>
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//#include <WProgram.h>
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#include "Arduino.h"
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#include "Max3421e_constants.h"
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class MAX3421E /* : public SPI */ {
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// byte vbusState;
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public:
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MAX3421E( void );
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byte getVbusState( void );
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// void toggle( byte pin );
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static void regWr( byte, byte );
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char * bytesWr( byte, byte, char * );
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static void gpioWr( byte );
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byte regRd( byte );
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char * bytesRd( byte, byte, char * );
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byte gpioRd( void );
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boolean reset();
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boolean vbusPwr ( boolean );
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void busprobe( void );
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void powerOn();
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byte IntHandler();
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byte GpxHandler();
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byte Task();
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private:
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static void spi_init() {
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uint8_t tmp;
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// initialize SPI pins
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pinMode(SCK_PIN, OUTPUT);
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pinMode(MOSI_PIN, OUTPUT);
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pinMode(MISO_PIN, INPUT);
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pinMode(SS_PIN, OUTPUT);
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digitalWrite( SS_PIN, HIGH );
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/* mode 00 (CPOL=0, CPHA=0) master, fclk/2. Mode 11 (CPOL=11, CPHA=11) is also supported by MAX3421E */
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SPCR = 0x50;
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SPSR = 0x01;
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/**/
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tmp = SPSR;
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tmp = SPDR;
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}
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// void init();
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friend class Max_LCD;
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};
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#endif //_MAX3421E_H_
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