/* | |
* Copyright 2009-2011 Oleg Mazurov, Circuits At Home, http://www.circuitsathome.com | |
* MAX3421E USB host controller support | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* 3. Neither the name of the authors nor the names of its contributors | |
* may be used to endorse or promote products derived from this software | |
* without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
* SUCH DAMAGE. | |
*/ | |
/* MAX3421E functions */ | |
#ifndef _MAX3421E_H_ | |
#define _MAX3421E_H_ | |
//#include <Spi.h> | |
//#include <WProgram.h> | |
#include "WProgram.h" | |
#include "Max3421e_constants.h" | |
class MAX3421E /* : public SPI */ { | |
// byte vbusState; | |
public: | |
MAX3421E( void ); | |
byte getVbusState( void ); | |
// void toggle( byte pin ); | |
static void regWr( byte, byte ); | |
char * bytesWr( byte, byte, char * ); | |
static void gpioWr( byte ); | |
byte regRd( byte ); | |
char * bytesRd( byte, byte, char * ); | |
byte gpioRd( void ); | |
boolean reset(); | |
boolean vbusPwr ( boolean ); | |
void busprobe( void ); | |
void powerOn(); | |
byte IntHandler(); | |
byte GpxHandler(); | |
byte Task(); | |
private: | |
static void pinInit(void); | |
static void setRST(uint8_t val); | |
static uint8_t readINT(void); | |
static uint8_t readGPX(void); | |
static void spi_init() { | |
uint8_t tmp; | |
// initialize SPI pins | |
pinMode(SCK_PIN, OUTPUT); | |
pinMode(MOSI_PIN, OUTPUT); | |
pinMode(MISO_PIN, INPUT); | |
pinMode(SS_PIN, OUTPUT); | |
/* mode 00 (CPOL=0, CPHA=0) master, fclk/2. Mode 11 (CPOL=11, CPHA=11) is also supported by MAX3421E */ | |
SPCR = 0x50; | |
SPSR = 0x01; | |
/**/ | |
tmp = SPSR; | |
tmp = SPDR; | |
} | |
// void init(); | |
friend class Max_LCD; | |
}; | |
#endif //_MAX3421E_H_ |