Diff: iap.c

Revision:

0:ccbc7d2943fc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iap.c	Mon Nov 28 11:40:30 2011 +0000
@@ -0,0 +1,168 @@
+/****************************************************/
+/*     IAP Library for LPC1768   					*/
+/* Target MCU  : NXP LPC1768 (ARM Cortex M3)        */
+/*       	   : OSC : 12 MHz                     	*/
+/* Create By   : fhn                                */
+/* created     : 28 november 2011                   */
+/* Function    : code for using IAP / read SN       */
+/* 				 and write data into flash			*/
+/****************************************************/
+#include <stdio.h>
+#include "iap.h"
+
+
+void iap_entry(unsigned param_tab[],unsigned result_tab[])
+{
+	void (*iap)(unsigned [],unsigned []);
+	iap = (void (*)(unsigned [],unsigned []))IAP_ADDRESS;
+	iap(param_tab,result_tab);
+}
+
+void read_serial_number(void) //read serial via IAP
+{
+	char tmpbuf[256];
+
+	param_table[0] = 54; //IAP command
+	iap_entry(param_table,(unsigned int*)(&iap_return));
+	if(iap_return.ReturnCode ==0) //return: CODE SUCCESS
+	{
+		printf("Part ID Number:");
+		sprintf(tmpbuf, "%08X",iap_return.Result[0]);
+		printf(tmpbuf);
+	}
+	else
+	{
+		//printf("Sorry, CPU Part Identification Number Read Error\n");
+		printf("Sorry, Read Error");
+	}
+	param_table[0] = 58; //IAP command
+	iap_entry(param_table,(unsigned int*)(&iap_return));
+	if(iap_return.ReturnCode ==0) //return: CODE SUCCESS
+	{
+		printf("Serial Number:");
+		sprintf(tmpbuf,"%08X %08X",iap_return.Result[0],iap_return.Result[1]);
+		printf(tmpbu);
+		sprintf(tmpbuf,"%08X %08X",iap_return.Result[2],iap_return.Result[3]);
+		printf(tmpbuf);
+	}
+	else
+	{
+		printf("Sorry, CPU Serial Number Read Error\n");
+	}
+}
+
+
+void blank_check_sector(int start, int end)
+{
+	param_table[0] = 53;	//5310 command code
+	param_table[1] = (unsigned int) start;	// start Sector Number
+	param_table[2] = (unsigned int) end;	// end sector number - should be equal or greater than start
+
+	iap_entry(param_table,(unsigned int*)(&iap_return));
+}
+
+void erase_block_sector(int start, int end)
+{
+	param_table[0] = 52;	//5210 command code
+	param_table[1] = (unsigned int) start;	// start Sector Number
+	param_table[2] = (unsigned int) end;	// end sector number - should be equal or greater than start
+	param_table[3] = 72000;	// cclk 72 MHz
+
+	iap_entry(param_table,(unsigned int*)(&iap_return));
+}
+
+void prepare_write_block_sector(int start, int end)
+{
+	param_table[0] = 50;	//5210 command code
+	param_table[1] = (unsigned int) start;	// start Sector Number
+	param_table[2] = (unsigned int) end;	// end sector number - should be equal or greater than start
+
+	iap_entry(param_table,(unsigned int*)(&iap_return));
+}
+
+void copy_ram_flash(char *src_addr, char *dest_addr, int size)
+{
+	param_table[0] = 51;	//5210 command code
+	param_table[1] = (unsigned int) dest_addr;	// Destination flash address where data bytes are to be written. This address should be a 256 byte boundary.
+	param_table[2] = (unsigned int) src_addr;	// Source RAM address from which data bytes are to be read. This address should be a word boundary.
+	param_table[3] = (unsigned int) size;		// Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
+	param_table[4] = (unsigned int) 72000;		// cclk 72 MHz
+
+	iap_entry(param_table,(unsigned int*)(&iap_return));
+}
+
+void compare_flash_ram(char *src_addr, char *dest_addr, int size)
+{
+	param_table[0] = 56;	//5610 command code
+	param_table[1] = (unsigned int) dest_addr;	//  Starting flash or RAM address of data bytes to be compared. This address should be a word boundary.
+	param_table[2] = (unsigned int) src_addr;	// Starting flash or RAM address of data bytes to be compared. This	address should be a word boundary.
+	param_table[3] = (unsigned int) size;		// Number of bytes to be compared; should be a multiple of 4.
+
+	iap_entry(param_table,(unsigned int*)(&iap_return));
+}
+
+void savedata_into_flash(char *mem,int mem_size)
+{
+	blank_check_sector(TARGET_SECTOR,TARGET_SECTOR);
+
+	// erase if needed
+	if(iap_return.ReturnCode ==8) //return: SECTOR_NOT_BLANK
+	{
+		prepare_write_block_sector(TARGET_SECTOR,TARGET_SECTOR);
+		if (iap_return.ReturnCode !=0)
+		{
+			error_buzer(iap_return.ReturnCode);	//will beep to indicate error
+			return ;	//can't prepare memory for write... aborted
+		}
+
+		erase_block_sector(TARGET_SECTOR,TARGET_SECTOR);
+		if (iap_return.ReturnCode !=0)
+		{
+			error_buzer(iap_return.ReturnCode);	//will beep to indicate error
+			return ;	//can't erase... aborted
+		}
+	}
+
+	// copy RAM to FLASH
+	prepare_write_block_sector(TARGET_SECTOR,TARGET_SECTOR);
+	if (iap_return.ReturnCode !=0)
+	{
+		error_buzer(iap_return.ReturnCode);	//will beep to indicate error
+		return ;	//can't prepare memory for write... aborted
+	}
+
+	copy_ram_flash(mem,(char *)START_TARGET_SECTOR,mem_size);
+	if (iap_return.ReturnCode !=0)
+	{
+		error_buzer(iap_return.ReturnCode);	//will beep to indicate error
+		return ;	//can't prepare memory for write... aborted
+	}
+
+	compare_flash_ram(mem,(char *)START_TARGET_SECTOR,mem_size);
+	if (iap_return.ReturnCode !=0)
+	{
+		error_buzer(iap_return.ReturnCode);	//will beep to indicate error
+		return ;	//can't prepare memory for write... aborted
+	}
+
+}
+
+void error_buzer(unsigned int beepnmb)
+{
+
+	unsigned int i=0;
+
+
+  /* Start of Initial Buzzer Interface */
+  LPC_PINCON->PINSEL7 &= ~(3UL<<20); 						// Reset P3.26 = GPIO
+  LPC_GPIO3->FIOSET	  |=  (1UL<<26);						// P3.26 = 1 (OFF Buzzer)
+  LPC_GPIO3->FIODIR   |=  (1UL<<26);						// P3.26 = Output (Buzzer)
+  /* End of Initial Buzzer Interface */
+
+  for (i=0;i<beepnmb;i++)
+  {
+	LPC_GPIO3->FIOCLR = (1UL<<26);  						//P3.26=0(ON-BUZZER)
+	delay_ms(500);
+	LPC_GPIO3->FIOSET = (1UL<<26);  						//P3.26=1(OFF-BUZZER)
+  }
+}