DynamicLoad - dynamic load and run users binary file. self writ…

Users » okini3939 » Code » DynamicLoad

Suga koubou / Mbed 2 deprecated DynamicLoad

dynamic load and run users binary file. self write the flash memory.

main.cpp@3:5cf31386b95d, 2011-12-27 (annotated)

Committer:: okini3939
Date:: Tue Dec 27 17:02:56 2011 +0000
Revision:: 3:5cf31386b95d
Parent:: 2:c56b5e682f0c

Who changed what in which revision?

User	Revision	Line number	New contents of line
okini3939	0:f8cf4fdf6ab4	1	/*
okini3939	0:f8cf4fdf6ab4	2	dynamic load the binary file.
okini3939	2:c56b5e682f0c	3	binary -> Flash 0x00040000 & run
okini3939	0:f8cf4fdf6ab4	4
okini3939	0:f8cf4fdf6ab4	5	lpc17xx.ld
okini3939	1:fbb938b95cef	6	IROM (rx) : ORIGIN = 0x00040000, LENGTH = 256k
okini3939	0:f8cf4fdf6ab4	7	IRAM0 (rwx) : ORIGIN = 0x10002000, LENGTH = 24k
okini3939	0:f8cf4fdf6ab4	8
okini3939	0:f8cf4fdf6ab4	9	startup_LPC17xx.c
okini3939	0:f8cf4fdf6ab4	10	//void Reset_Handler(void) __attribute__((__interrupt__));
okini3939	0:f8cf4fdf6ab4	11	void Reset_Handler(void);
okini3939	1:fbb938b95cef	12	// SystemInit();
okini3939	0:f8cf4fdf6ab4	13
okini3939	0:f8cf4fdf6ab4	14	compiled.bin --> test.dat
okini3939	0:f8cf4fdf6ab4	15	*/
okini3939	1:fbb938b95cef	16	#include "mbed.h"
okini3939	1:fbb938b95cef	17	#include "IAP.h"
okini3939	0:f8cf4fdf6ab4	18	#include <new>
okini3939	0:f8cf4fdf6ab4	19
okini3939	1:fbb938b95cef	20	#define BUF_SIZE 512
okini3939	1:fbb938b95cef	21	#define TARGET_SECTOR 22
okini3939	1:fbb938b95cef	22	#define TARGET_SECTOR_NUM 8
okini3939	0:f8cf4fdf6ab4	23
okini3939	0:f8cf4fdf6ab4	24	LocalFileSystem local("local");
okini3939	0:f8cf4fdf6ab4	25
okini3939	0:f8cf4fdf6ab4	26	void memdump( char *p, int n );
okini3939	0:f8cf4fdf6ab4	27
okini3939	0:f8cf4fdf6ab4	28	IAP iap;
okini3939	0:f8cf4fdf6ab4	29
okini3939	0:f8cf4fdf6ab4	30	extern "C"
okini3939	0:f8cf4fdf6ab4	31	void HardFault_Handler() {
okini3939	1:fbb938b95cef	32	register unsigned int _msp __asm("msp");
okini3939	1:fbb938b95cef	33	printf("Hard Fault! %x (%x)\r\n", SCB->HFSR, ((unsigned int )(_msp + 24)));
okini3939	1:fbb938b95cef	34	printf(" - %x\r\n", ((volatile uint32_t)0xe000ed24));
okini3939	1:fbb938b95cef	35	// printf("Hard Fault! %x\r\n", SCB->HFSR);
okini3939	0:f8cf4fdf6ab4	36	exit(-1);
okini3939	0:f8cf4fdf6ab4	37	}
okini3939	0:f8cf4fdf6ab4	38
okini3939	0:f8cf4fdf6ab4	39	void no_memory () {
okini3939	0:f8cf4fdf6ab4	40	printf("panic: can't allocate to memory!\r\n");
okini3939	0:f8cf4fdf6ab4	41	exit(-1);
okini3939	0:f8cf4fdf6ab4	42	}
okini3939	0:f8cf4fdf6ab4	43
okini3939	1:fbb938b95cef	44	void jump (int vect) {
okini3939	0:f8cf4fdf6ab4	45	void (*func)();
okini3939	0:f8cf4fdf6ab4	46	unsigned int *p;
okini3939	0:f8cf4fdf6ab4	47
okini3939	1:fbb938b95cef	48	p = (unsigned int )(sector_start_adress[TARGET_SECTOR] + 4 vect);
okini3939	0:f8cf4fdf6ab4	49	func = (void ()())p;
okini3939	1:fbb938b95cef	50	// printf("jump vector %d (%08x)\r\n", vect, func);
okini3939	1:fbb938b95cef	51	if ((char)p >= sector_start_adress[TARGET_SECTOR] && (char)p < sector_start_adress[TARGET_SECTOR] + FLASH_SECTOR_SIZE_16_TO_29 * TARGET_SECTOR_NUM) {
okini3939	1:fbb938b95cef	52	func();
okini3939	1:fbb938b95cef	53	}
okini3939	0:f8cf4fdf6ab4	54	}
okini3939	0:f8cf4fdf6ab4	55
okini3939	1:fbb938b95cef	56	int loadbinary (char *filename) {
okini3939	1:fbb938b95cef	57	int i, r, num, sector, size = 0;
okini3939	1:fbb938b95cef	58	FILE *fp;
okini3939	1:fbb938b95cef	59	char buf[BUF_SIZE];
okini3939	1:fbb938b95cef	60
okini3939	1:fbb938b95cef	61	fp = fopen(filename, "r");
okini3939	1:fbb938b95cef	62	if (! fp) return -1;
okini3939	1:fbb938b95cef	63
okini3939	1:fbb938b95cef	64	for (sector = TARGET_SECTOR; sector < TARGET_SECTOR + TARGET_SECTOR_NUM; sector ++) {
okini3939	1:fbb938b95cef	65	if (iap.blank_check(sector, sector) == SECTOR_NOT_BLANK) {
okini3939	1:fbb938b95cef	66	iap.prepare(sector, sector);
okini3939	1:fbb938b95cef	67	r = iap.erase(sector, sector);
okini3939	1:fbb938b95cef	68	if (r) {
okini3939	1:fbb938b95cef	69	printf("iap.erase (%d) %d %x\r\n", r, sector, i);
okini3939	1:fbb938b95cef	70	goto error;
okini3939	1:fbb938b95cef	71	}
okini3939	1:fbb938b95cef	72	printf("iap erase %d\r\n", sector);
okini3939	1:fbb938b95cef	73	}
okini3939	1:fbb938b95cef	74
okini3939	1:fbb938b95cef	75	for (i = 0; i < FLASH_SECTOR_SIZE_16_TO_29; i += BUF_SIZE) {
okini3939	1:fbb938b95cef	76	num = fread(buf, sizeof(char), BUF_SIZE, fp);
okini3939	1:fbb938b95cef	77	if (num <= 0) {
okini3939	1:fbb938b95cef	78	// EOF
okini3939	1:fbb938b95cef	79	goto exit;
okini3939	1:fbb938b95cef	80	}
okini3939	1:fbb938b95cef	81
okini3939	1:fbb938b95cef	82	// write Flash
okini3939	1:fbb938b95cef	83	r = iap.prepare(sector, sector);
okini3939	1:fbb938b95cef	84	if (r) {
okini3939	1:fbb938b95cef	85	printf("iap.prepare (%d) %d %x\r\n", r, sector, i);
okini3939	1:fbb938b95cef	86	goto error;
okini3939	1:fbb938b95cef	87	}
okini3939	1:fbb938b95cef	88	r = iap.write(buf, sector_start_adress[sector] + i, BUF_SIZE);
okini3939	1:fbb938b95cef	89	if (r) {
okini3939	1:fbb938b95cef	90	printf("iap.write (%d) %d %x\r\n", r, sector, i);
okini3939	1:fbb938b95cef	91	goto error;
okini3939	1:fbb938b95cef	92	}
okini3939	1:fbb938b95cef	93	r = iap.compare(buf, sector_start_adress[sector] + i, BUF_SIZE);
okini3939	1:fbb938b95cef	94	if (r) {
okini3939	1:fbb938b95cef	95	printf("iap.compare (%d) %d %x\r\n", r, sector, i);
okini3939	1:fbb938b95cef	96	goto error;
okini3939	1:fbb938b95cef	97	}
okini3939	1:fbb938b95cef	98	size += num;
okini3939	1:fbb938b95cef	99	}
okini3939	1:fbb938b95cef	100	}
okini3939	1:fbb938b95cef	101
okini3939	1:fbb938b95cef	102	exit:
okini3939	1:fbb938b95cef	103	printf("write %d bytes, end sector %d\r\n", size, sector);
okini3939	1:fbb938b95cef	104	fclose(fp);
okini3939	1:fbb938b95cef	105	return 0;
okini3939	1:fbb938b95cef	106
okini3939	1:fbb938b95cef	107	error:
okini3939	1:fbb938b95cef	108	printf("write error\r\n");
okini3939	1:fbb938b95cef	109	fclose(fp);
okini3939	1:fbb938b95cef	110	return r;
okini3939	0:f8cf4fdf6ab4	111	}
okini3939	0:f8cf4fdf6ab4	112
okini3939	0:f8cf4fdf6ab4	113	int main() {
okini3939	0:f8cf4fdf6ab4	114	char *heap;
okini3939	0:f8cf4fdf6ab4	115
okini3939	0:f8cf4fdf6ab4	116	set_new_handler(no_memory); // new handler function
okini3939	0:f8cf4fdf6ab4	117
okini3939	0:f8cf4fdf6ab4	118	printf( "device-ID = 0x%08X, serial# = 0x%08X, CPU running %dkHz\r\n", iap.read_ID(), iap.read_serial(), SystemCoreClock / 1000 );
okini3939	0:f8cf4fdf6ab4	119
okini3939	3:5cf31386b95d	120	if (loadbinary("/local/test.dat")) {
okini3939	3:5cf31386b95d	121	printf("error loadbinary\r\n");
okini3939	3:5cf31386b95d	122	return -1;
okini3939	3:5cf31386b95d	123	}
okini3939	0:f8cf4fdf6ab4	124
okini3939	1:fbb938b95cef	125	// memdump( sector_start_adress[ TARGET_SECTOR ], 48 * 4);
okini3939	0:f8cf4fdf6ab4	126
okini3939	1:fbb938b95cef	127	heap = new char(2);
okini3939	1:fbb938b95cef	128	delete[] heap;
okini3939	0:f8cf4fdf6ab4	129	printf("stack %08x, heap %08x\r\n", (unsigned int)&heap, (unsigned int)heap);
okini3939	0:f8cf4fdf6ab4	130
okini3939	0:f8cf4fdf6ab4	131	{
okini3939	0:f8cf4fdf6ab4	132	register unsigned int _control __asm("control");
okini3939	0:f8cf4fdf6ab4	133	register unsigned int _msp __asm("msp");
okini3939	0:f8cf4fdf6ab4	134	register unsigned int _psp __asm("psp");
okini3939	0:f8cf4fdf6ab4	135	printf("MSP %08x, PSP %08x, CONTROL %x\r\n", _msp, _psp, _control & 3);
okini3939	0:f8cf4fdf6ab4	136	}
okini3939	0:f8cf4fdf6ab4	137
okini3939	0:f8cf4fdf6ab4	138	jump(1);
okini3939	0:f8cf4fdf6ab4	139
okini3939	0:f8cf4fdf6ab4	140	printf("exit\r\n");
okini3939	1:fbb938b95cef	141
okini3939	1:fbb938b95cef	142	heap = new char(2);
okini3939	1:fbb938b95cef	143	delete[] heap;
okini3939	1:fbb938b95cef	144	printf("stack %08x, heap %08x\r\n", (unsigned int)&heap, (unsigned int)heap);
okini3939	1:fbb938b95cef	145
okini3939	0:f8cf4fdf6ab4	146	return 0;
okini3939	0:f8cf4fdf6ab4	147	}
okini3939	0:f8cf4fdf6ab4	148
okini3939	0:f8cf4fdf6ab4	149
okini3939	0:f8cf4fdf6ab4	150	void memdump( char *base, int n ) {
okini3939	0:f8cf4fdf6ab4	151	unsigned int *p;
okini3939	0:f8cf4fdf6ab4	152
okini3939	0:f8cf4fdf6ab4	153	printf( " memdump from 0x%08X for %d bytes", (unsigned long)base, n );
okini3939	0:f8cf4fdf6ab4	154
okini3939	0:f8cf4fdf6ab4	155	p = (unsigned int *)((unsigned int)base & ~(unsigned int)0x3);
okini3939	0:f8cf4fdf6ab4	156
okini3939	0:f8cf4fdf6ab4	157	for ( int i = 0; i < (n >> 2); i++, p++ ) {
okini3939	0:f8cf4fdf6ab4	158	if ( !(i % 4) )
okini3939	0:f8cf4fdf6ab4	159	printf( "\r\n 0x%08X :", (unsigned int)p );
okini3939	0:f8cf4fdf6ab4	160
okini3939	0:f8cf4fdf6ab4	161	printf( " %08X", *p );
okini3939	0:f8cf4fdf6ab4	162	}
okini3939	0:f8cf4fdf6ab4	163
okini3939	0:f8cf4fdf6ab4	164	printf( "\r\n" );
okini3939	0:f8cf4fdf6ab4	165	}

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	26 Dec 2011
Imports:	120
Forks:	0
Commits:	4
Dependents:	0
Dependencies:	1
Followers:	8

main.cpp@3:5cf31386b95d, 2011-12-27 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning