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/*----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support - ROUSSET -
*----------------------------------------------------------------------------
* The software is delivered "AS IS" without warranty or condition of any
* kind, either express, implied or statutory. This includes without
* limitation any warranty or condition with respect to merchantability or
* fitness for any particular purpose, or against the infringements of
* intellectual property rights of others.
*----------------------------------------------------------------------------
* File Name : Debug.c
* Object : Debug menu
* Creation : JPP 14/Sep/2004
* 1.1 29/Aug/05 JPP : Update AIC definion
*----------------------------------------------------------------------------*/
// Include Standard files
#include <board.h>
#include "dbgu.h"
#include "rc632.h"
#include "openpcd.h"
#include "led.h"
#include "main.h"
#define USART_SYS_LEVEL 4
/*---------------------------- Global Variable ------------------------------*/
//*--------------------------1--------------------------------------------------
//* \fn AT91F_DBGU_Printk
//* \brief This function is used to send a string through the DBGU channel
//*----------------------------------------------------------------------------
void AT91F_DBGU_Ready(void)
{
while (!(AT91C_BASE_DBGU->DBGU_CSR & AT91C_US_TXEMPTY)) ;
}
//*----------------------------------------------------------------------------
//* Function Name : Send_reset
//* Object : Acknoledeg AIC and send reset
//*----------------------------------------------------------------------------
static void Send_reset(void)
{
void (*pfct) (void) = (void (*)(void))0x00000000;
// Acknoledge the interrupt
// Mark the End of Interrupt on the AIC
AT91C_BASE_AIC->AIC_EOICR = 0;
AT91F_DBGU_Ready();
// Jump in reset
pfct();
}
//*----------------------------------------------------------------------------
//* Function Name : DBGU_irq_handler
//* Object : C handler interrupt function called by the interrupts
//* assembling routine
//*----------------------------------------------------------------------------
static void DBGU_irq_handler(void)
{
static char value;
AT91F_DBGU_Get(&value);
switch (value) {
case '0': //* info
AT91F_DBGU_Frame("Set Pull up\n\r");
// Set
AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_UDP_PUP);
break;
case '1': //* info
AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPCD_PIO_UDP_PUP);
AT91F_DBGU_Printk("Clear Pull up\n\r");
// Reset Application
Send_reset();
break;
case '2':
AT91F_DBGU_Printk("Toggling LED 1\n\r");
led_toggle(1);
break;
case '3':
AT91F_DBGU_Printk("Toggling LED 2\n\r");
led_toggle(2);
break;
case '4':
AT91F_DBGU_Printk("Testing RC632 : ");
if (rc632_test(RAH) == 0)
AT91F_DBGU_Printk("SUCCESS!\n\r");
else
AT91F_DBGU_Printk("ERROR!\n\r");
break;
case '5':
rc632_reg_read(RAH, RC632_REG_RX_WAIT, &value);
DEBUGPCR("Reading RC632 Reg RxWait: 0x%02xr", value);
break;
case '6':
DEBUGPCR("Writing RC632 Reg RxWait: 0x55");
rc632_reg_write(RAH, RC632_REG_RX_WAIT, 0x55);
break;
case '7':
rc632_dump();
break;
case '8':
break;
default:
if (_main_dbgu(value) < 0)
AT91F_DBGU_Printk("\n\r");
break;
} // end switch
}
//*----------------------------------------------------------------------------
//* \fn AT91F_DBGU_Init
//* \brief This function is used to send a string through the DBGU channel (Very low level debugging)
//*----------------------------------------------------------------------------
void AT91F_DBGU_Init(void)
{
//* Open PIO for DBGU
AT91F_DBGU_CfgPIO();
//* Enable Transmitter & receivier
((AT91PS_USART) AT91C_BASE_DBGU)->US_CR =
AT91C_US_RSTTX | AT91C_US_RSTRX;
//* Configure DBGU
AT91F_US_Configure((AT91PS_USART) AT91C_BASE_DBGU, // DBGU base address
MCK, AT91C_US_ASYNC_MODE, // Mode Register to be programmed
AT91C_DBGU_BAUD, // Baudrate to be programmed
0); // Timeguard to be programmed
//* Enable Transmitter & receivier
((AT91PS_USART) AT91C_BASE_DBGU)->US_CR = AT91C_US_RXEN | AT91C_US_TXEN;
//* Enable USART IT error and AT91C_US_ENDRX
AT91F_US_EnableIt((AT91PS_USART) AT91C_BASE_DBGU, AT91C_US_RXRDY);
//* open interrupt
AT91F_AIC_ConfigureIt(AT91C_BASE_AIC, AT91C_ID_SYS, USART_SYS_LEVEL,
AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL,
DBGU_irq_handler);
AT91F_AIC_EnableIt(AT91C_BASE_AIC, AT91C_ID_SYS);
AT91F_DBGU_Printk
("\n\r-I- OpenPCD test mode\n\r 0) Set Pull-up 1) Clear Pull-up "
"2) Toggle LED1 3) Toggle LED2 4) Test RC632\n\r"
"5) Read RxWait 6) Write RxWait 7) Dump RC632 Regs\n\r");
}
//*----------------------------------------------------------------------------
//* \fn AT91F_DBGU_Printk
//* \brief This function is used to send a string through the DBGU channel (Very low level debugging)
//*----------------------------------------------------------------------------
void AT91F_DBGU_Printk(char *buffer)
{
while (*buffer != '\0') {
while (!AT91F_US_TxReady((AT91PS_USART) AT91C_BASE_DBGU)) ;
AT91F_US_PutChar((AT91PS_USART) AT91C_BASE_DBGU, *buffer++);
}
}
//*----------------------------------------------------------------------------
//* \fn AT91F_DBGU_Frame
//* \brief This function is used to send a string through the DBGU channel
//*----------------------------------------------------------------------------
void AT91F_DBGU_Frame(char *buffer)
{
unsigned char len;
for (len = 0; buffer[len] != '\0'; len++) {
}
AT91F_US_SendFrame((AT91PS_USART) AT91C_BASE_DBGU,
(unsigned char *)buffer, len, 0, 0);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_Get
//* \brief Get a Char to USART
//*----------------------------------------------------------------------------
int AT91F_DBGU_Get(char *val)
{
if ((AT91F_US_RxReady((AT91PS_USART) AT91C_BASE_DBGU)) == 0)
return (0);
else {
*val = AT91F_US_GetChar((AT91PS_USART) AT91C_BASE_DBGU);
return (-1);
}
}
// mthomas: function not used in this application. avoid
// linking huge newlib code for sscanf.
#ifdef DEBUG
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
const char *
hexdump(const void *data, unsigned int len)
{
static char string[256];
unsigned char *d = (unsigned char *) data;
unsigned int i, left;
string[0] = '\0';
left = sizeof(string);
for (i = 0; len--; i += 3) {
if (i >= sizeof(string) -4)
break;
snprintf(string+i, 4, " %02x", *d++);
}
return string;
}
static char dbg_buf[256];
void debugp(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vsnprintf(dbg_buf, sizeof(dbg_buf)-1, format, ap);
va_end(ap);
dbg_buf[sizeof(dbg_buf)-1] = '\0';
//AT91F_DBGU_Frame(dbg_buf);
AT91F_DBGU_Printk(dbg_buf);
}
#endif
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