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/*
* mpu_main.c
*
* Created on: 24.05.2011
* Author: Roland
*/
#include "LPC13xx.h"
#include "gpio/gpio.h"
#include "ssp/ssp.h"
void LoopbackTest( uint8_t* src_addr, uint8_t* dest_addr );
void SEEPROMTest( uint8_t* src_addr, uint8_t* dest_addr );
/******************************************************************************
** Main Function main()
******************************************************************************/
int main (void)
{
/* Basic chip initialization is taken care of in SystemInit() called
* from the startup code. SystemInit() and chip settings are defined
* in the CMSIS system_<part family>.c file.
*/
uint32_t i;
uint8_t src_addr[SSP_BUFSIZE];
uint8_t dest_addr[SSP_BUFSIZE];
#if SSP_DEBUG
UARTInit(115200);
#endif
SSPInit(); /* initialize SSP port, share pins with SPI0
on port0(p0.15-18). */
for ( i = 0; i < SSP_BUFSIZE; i++ )
{
src_addr[i] = (uint8_t)i;
dest_addr[i] = 0;
}
#if TX_RX_ONLY
/* For the inter-board communication, one board is set as
master transmit, the other is set to slave receive. */
#if SSP_SLAVE
/* Slave receive */
SSPReceive( (uint8_t *)dest_addr, SSP_BUFSIZE );
for ( i = 0; i < SSP_BUFSIZE; i++ )
{
if ( src_addr[i] != dest_addr[i] )
{
while ( 1 ); /* Verification failure, fatal error */
}
}
#else
/* Master transmit */
SSPSend( (uint8_t *)src_addr, SSP_BUFSIZE);
#endif
#else
/* TX_RX_ONLY=0, it's either an internal loopback test
within SSP peripheral or communicate with a serial EEPROM. */
#if LOOPBACK_MODE
LoopbackTest( src_addr, dest_addr );
#else
SEEPROMTest( src_addr, dest_addr );
/* If JTAG TCK is used as SSP clock, change the setting before
serial EEPROM test, restore after the test. */
#ifdef __JTAG_DISABLED
LPC_IOCON->JTAG_TCK_PIO0_10 &= ~0x07; /* Restore JTAG_TCK */
#endif
#endif /* endif NOT LOOPBACK_MODE */
#endif /* endif NOT TX_RX_ONLY */
return 0;
}
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