#include "AT91SAM7S256.h"

#ifndef HARDWARE_H
#define HARDWARE_H

#include <inttypes.h>

#define MCLK 48000000
#define FWS 1 // Flash wait states

#define DISKLED       AT91C_PIO_PA29
#define DISKLED_ON    *AT91C_PIOA_CODR = DISKLED;
#define DISKLED_OFF   *AT91C_PIOA_SODR = DISKLED;
#define MMC_SEL       AT91C_PIO_PA31
#define USB_SEL       AT91C_PIO_PA11
#define USB_PUP       AT91C_PIO_PA16
#define SD_WP         AT91C_PIO_PA1
#define SD_CD         AT91C_PIO_PA0

#ifdef EMIST
// xilinx programming interface
#define XILINX_DONE   AT91C_PIO_PA4
#define XILINX_DIN    AT91C_PIO_PA9
#define XILINX_INIT_B AT91C_PIO_PA8
#define XILINX_PROG_B AT91C_PIO_PA7
#define XILINX_CCLK   AT91C_PIO_PA15
#else
// altera programming interface
#define ALTERA_DONE    AT91C_PIO_PA4
#define ALTERA_DATA0   AT91C_PIO_PA9
#define ALTERA_NCONFIG AT91C_PIO_PA8
#define ALTERA_NSTATUS AT91C_PIO_PA7
#define ALTERA_DCLK    AT91C_PIO_PA15
#endif

// db9 joystick ports
#define JOY1_UP        AT91C_PIO_PA28
#define JOY1_DOWN      AT91C_PIO_PA27
#define JOY1_LEFT      AT91C_PIO_PA26
#define JOY1_RIGHT     AT91C_PIO_PA25
#define JOY1_BTN1      AT91C_PIO_PA24
#define JOY1_BTN2      AT91C_PIO_PA23
#define JOY1  (JOY1_UP|JOY1_DOWN|JOY1_LEFT|JOY1_RIGHT|JOY1_BTN1|JOY1_BTN2)

#define JOY0_UP        AT91C_PIO_PA22
#define JOY0_DOWN      AT91C_PIO_PA21
#define JOY0_LEFT      AT91C_PIO_PA20
#define JOY0_RIGHT     AT91C_PIO_PA19
#define JOY0_BTN1      AT91C_PIO_PA18
#define JOY0_BTN2      AT91C_PIO_PA17
#define JOY0  (JOY0_UP|JOY0_DOWN|JOY0_LEFT|JOY0_RIGHT|JOY0_BTN1|JOY0_BTN2)

// chip selects for FPGA communication
#define FPGA0 AT91C_PIO_PA10
#define FPGA1 AT91C_PIO_PA3
#define FPGA2 AT91C_PIO_PA2

#define FPGA3         AT91C_PIO_PA9   // same as ALTERA_DATA0

#define VBL           AT91C_PIO_PA7

void USART_Init(unsigned long baudrate);
void USART_Write(unsigned char c);
unsigned char USART_Read(void);

unsigned long CheckButton(void);
void Timer_Init(void);
unsigned long GetTimer(unsigned long offset);
unsigned long CheckTimer(unsigned long t);
void WaitTimer(unsigned long time);

void TIMER_wait(unsigned long ms);

void USART_Poll(void);

#ifdef FPGA3
// the MiST has the user inout on the arm controller
void EnableIO(void);
void DisableIO(void);
#endif

void hexdump(void *data, uint16_t size, uint16_t offset);
#define DEBUG_FUNC_IN() 
 
// minimig reset stuff
#define SPI_RST_USR         0x1
#define SPI_RST_CPU         0x2
#define SPI_CPU_HLT         0x4
extern uint8_t rstval;

#endif // HARDWARE_H