Tedd OKANO / Mbed 2 deprecated test_iap_20150205

small test code for IAP

Dependencies:   mbed

main.cpp@2:806eb710bbb0, 2015-02-08 (annotated)

Committer:
okano
Date:
Sun Feb 08 12:28:24 2015 +0000
Revision:
2:806eb710bbb0
Parent:
1:90c9fa3e7462
Child:
3:09b4670e337a
"blank checking + erasing" added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okano 0:57ed1971604d 1 #define TEST_ON_MBED
okano 0:57ed1971604d 2
okano 0:57ed1971604d 3 #ifdef TEST_ON_MBED
okano 0:57ed1971604d 4 #include "mbed.h"
okano 0:57ed1971604d 5 #else
okano 0:57ed1971604d 6 #include <lpc17xx.h>
okano 0:57ed1971604d 7 #include <absacc.h>
okano 0:57ed1971604d 8 #endif
okano 0:57ed1971604d 9
okano 0:57ed1971604d 10 void IAP_Write(void);
okano 0:57ed1971604d 11
okano 0:57ed1971604d 12 #ifdef TEST_ON_MBED
okano 0:57ed1971604d 13 unsigned char *a;
okano 0:57ed1971604d 14 unsigned char ram_buffer[ 5 + 3 ];
okano 0:57ed1971604d 15 #else
okano 0:57ed1971604d 16 unsigned char a[5] at(0x10000400);
okano 0:57ed1971604d 17 #endif
okano 0:57ed1971604d 18
okano 0:57ed1971604d 19 unsigned int command[ 5 ];
okano 0:57ed1971604d 20 unsigned int result[ 5 ];
okano 0:57ed1971604d 21 typedef void (*IAP)( unsigned int [], unsigned int[] );
okano 0:57ed1971604d 22
okano 0:57ed1971604d 23 IAP iap_entry = (IAP)0x1FFF1FF1;
okano 0:57ed1971604d 24
okano 0:57ed1971604d 25 #define FLASH_TARGET_ADDR ((char *)0x00008100)
okano 2:806eb710bbb0 26 #define FLASH_TARGET_SECTOR 8
okano 0:57ed1971604d 27
okano 0:57ed1971604d 28 int main(void)
okano 0:57ed1971604d 29 {
okano 0:57ed1971604d 30 unsigned char i = 0;
okano 0:57ed1971604d 31
okano 1:90c9fa3e7462 32 a = (unsigned char *)((unsigned long)ram_buffer & ~0x3); // to align to word boundary
okano 0:57ed1971604d 33
okano 0:57ed1971604d 34 for( i = 0; i < 5; i++ )
okano 0:57ed1971604d 35 a[ i ] = i;
okano 0:57ed1971604d 36
okano 0:57ed1971604d 37 for( i = 0; i < 5; i++ )
okano 1:90c9fa3e7462 38 printf( "RAM : *((char *)0x%08X) == 0x%02X\r\n", (unsigned long)a + i, *(a + i) );
okano 0:57ed1971604d 39
okano 0:57ed1971604d 40 IAP_Write();
okano 0:57ed1971604d 41
okano 0:57ed1971604d 42 char *cp = FLASH_TARGET_ADDR;
okano 0:57ed1971604d 43
okano 0:57ed1971604d 44 for( i = 0; i < 5; i++, cp++ )
okano 1:90c9fa3e7462 45 printf( "flash : *((char *)0x%08X) == 0x%02X\r\n", (unsigned long)cp, *cp );
okano 0:57ed1971604d 46 }
okano 0:57ed1971604d 47
okano 0:57ed1971604d 48 void IAP_Write(void)
okano 0:57ed1971604d 49 {
okano 2:806eb710bbb0 50 // blank check
okano 2:806eb710bbb0 51
okano 2:806eb710bbb0 52 command[0] = 53; // "blank check" command
okano 2:806eb710bbb0 53 command[1] = FLASH_TARGET_SECTOR; // Start sector number is 8
okano 2:806eb710bbb0 54 command[2] = FLASH_TARGET_SECTOR; // Finish sector number is 8
okano 2:806eb710bbb0 55 iap_entry( command, result );
okano 2:806eb710bbb0 56
okano 2:806eb710bbb0 57 printf( "error code for \"blank check\" = %d\r\n", result[ 0 ] );
okano 2:806eb710bbb0 58
okano 2:806eb710bbb0 59 // if the sector is not blank
okano 2:806eb710bbb0 60
okano 2:806eb710bbb0 61 if ( result[ 0 ] ) {
okano 2:806eb710bbb0 62
okano 2:806eb710bbb0 63 // prepare for erasing
okano 2:806eb710bbb0 64
okano 2:806eb710bbb0 65 command[0] = 50; // "prepare" command
okano 2:806eb710bbb0 66 command[1] = FLASH_TARGET_SECTOR; // Start sector number is 8
okano 2:806eb710bbb0 67 command[2] = FLASH_TARGET_SECTOR; // Finish sector number is 8
okano 2:806eb710bbb0 68 iap_entry( command, result );
okano 2:806eb710bbb0 69
okano 2:806eb710bbb0 70 printf( "error code for \"prepare\" = %d\r\n", result[ 0 ] );
okano 2:806eb710bbb0 71
okano 2:806eb710bbb0 72 // erase
okano 2:806eb710bbb0 73
okano 2:806eb710bbb0 74 command[0] = 52; // "erase" command
okano 2:806eb710bbb0 75 command[1] = FLASH_TARGET_SECTOR; // Start sector number is 8
okano 2:806eb710bbb0 76 command[2] = FLASH_TARGET_SECTOR; // Finish sector number is 8
okano 2:806eb710bbb0 77 command[3] = 96000; // Frequency in khz
okano 2:806eb710bbb0 78 iap_entry( command, result );
okano 2:806eb710bbb0 79
okano 2:806eb710bbb0 80 printf( "error code for \"erase\" = %d\r\n", result[ 0 ] );
okano 2:806eb710bbb0 81 }
okano 2:806eb710bbb0 82
okano 2:806eb710bbb0 83 // prepare for writing
okano 2:806eb710bbb0 84
okano 2:806eb710bbb0 85 command[0] = 50; // "prepare" command
okano 2:806eb710bbb0 86 command[1] = FLASH_TARGET_SECTOR; // Start sector number is 8
okano 2:806eb710bbb0 87 command[2] = FLASH_TARGET_SECTOR; // Finish sector number is 8
okano 0:57ed1971604d 88 iap_entry( command, result );
okano 0:57ed1971604d 89
okano 0:57ed1971604d 90 printf( "error code for \"prepare\" = %d\r\n", result[ 0 ] );
okano 0:57ed1971604d 91
okano 2:806eb710bbb0 92 // write
okano 0:57ed1971604d 93
okano 0:57ed1971604d 94 command[0] = 51; // "copy from ram to flash" command
okano 2:806eb710bbb0 95 command[1] = (unsigned int)FLASH_TARGET_ADDR; // Addrees of Flash
okano 2:806eb710bbb0 96 command[2] = (unsigned int)a; // Addrees of Sram
okano 0:57ed1971604d 97 command[3] = 256; // How many bytes want to transfer
okano 0:57ed1971604d 98 command[4] = 96000; // Frequency in khz
okano 0:57ed1971604d 99 iap_entry( command, result );
okano 0:57ed1971604d 100
okano 0:57ed1971604d 101 printf( "error code for \"copy from ram to flash\" = %d\r\n", result[ 0 ] );
okano 0:57ed1971604d 102 }