semihost server example program
Dependencies: SWD mbed USBLocalFileSystem BaseDAP USBDAP
LPCXpresso LPC11U68 | LPCXpresso LPC1549 | FRDM-KL46Z | EA LPC4088 QSB app-board | LPC1768 app-board | LPC810 | LPC1114FN28 | |
---|---|---|---|---|---|---|---|
server | server | server | server | server | client | client | |
SWDIO | D12 | D12 | D12 | p25 | p21 | p4(P0_2) | p12 |
SWCLK | D10 | D10 | D10 | p26 | p22 | p3(P0_3) | p3 |
nRESET *option | D6 | D6 | D6 | p34 | p30 | p1(P0_5) | p23 |
GND | GND | GND | GND | p1 | p1 | p7 | p22 |
3.3V | P3V3 | P3V3 | P3V3 | p44 | p40 | p6 | p21 |
flash write | SW2(P0_1) | SW3(P1_9) | SW1 | p14 joystick center | p14 joystick center |
client example:
Import programlpc810-semihost_helloworld
semihost client example program
Diff: Flash.cpp
- Revision:
- 14:e6acf863207e
- Parent:
- 9:7e71c20c96e4
--- a/Flash.cpp Thu Mar 20 03:46:47 2014 +0000 +++ b/Flash.cpp Mon Apr 28 04:18:47 2014 +0000 @@ -31,6 +31,8 @@ bool Flash::init() { _pc->printf("Initializing"); + ram_addr = 0x10000000; + ram_size = 0x400; if (remoteIAP(READ_PART_ID) != CMD_SUCCESS) { _pc->printf("\nfaild. READ_PART_ID\n"); return false; @@ -107,7 +109,7 @@ bool Flash::write(const char* filename) { - const int chunk_size = 256; + const int chunk_size = 512; FILE* fp = fopen(filename, "rb"); if (fp == NULL) { _pc->printf("file open error [%s]\n", filename); @@ -116,7 +118,7 @@ _pc->printf("Writing."); uint8_t buf[chunk_size]; bool passed = false; - for(int addr = 0; addr < 0x10000; addr += sizeof(buf)) { + for(int addr = 0; addr < 0x80000; addr += sizeof(buf)) { int ret = fread(buf, 1, sizeof(buf), fp); if (!_patch(buf, sizeof(buf), addr)) { break; @@ -153,12 +155,12 @@ bool Flash::write(int addr, const uint8_t* data, int size) { - const int ram = 0x10000200; - const int ram_size = 256; - for(int i = 0; i < size; i += ram_size) { + int temp_addr = ram_addr + 44; + int temp_size = 512; + for(int i = 0; i < size; i += temp_size) { update(); - if (!_write_to_ram(ram, ram_size, data+i)) { - _pc->printf("faild. write to ram %08x\n", ram); + if (!_write_to_ram(temp_addr, temp_size, data+i)) { + _pc->printf("faild. write to ram %08x\n", temp_addr); return false; } int sector = addr_to_sector(addr + i); @@ -180,12 +182,12 @@ _pc->printf("faild. PREPARE_SECTOR %d %d\n", sector, sector); return false; } - if (remoteIAP(COPY_RAM_TO_FLASH, addr+i, ram, ram_size, cfg.iap_cclk) != CMD_SUCCESS) { - _pc->printf("faild. COPY_RAM_TO_FLASH %d %d %d %dn", addr+i, ram, ram_size, cfg.iap_cclk); + if (remoteIAP(COPY_RAM_TO_FLASH, addr+i, temp_addr, temp_size, cfg.iap_cclk) != CMD_SUCCESS) { + _pc->printf("faild. COPY_RAM_TO_FLASH %d %d %d %dn", addr+i, temp_addr, temp_size, cfg.iap_cclk); return false; } - if (remoteIAP(COMPARE, addr+i, ram, ram_size) != CMD_SUCCESS) { - _pc->printf("faild. COMPARE %d %d %d", addr+i, ram, ram_size); + if (remoteIAP(COMPARE, addr+i, temp_addr, temp_size) != CMD_SUCCESS) { + _pc->printf("faild. COMPARE %d %d %d", addr+i, temp_addr, temp_size); return false; } } @@ -236,7 +238,7 @@ ram.IAP.par[3] = p3; _target->halt(); _target->wait_status(TARGET_HALTED); - const uint32_t ram_addr = 0x10000100; + _target->writeMemory(ram_addr, (uint32_t*)&ram, sizeof(ram)/sizeof(uint32_t)); _target->r0 = ram_addr + 4; // command addr _target->r1 = ram_addr + 24; // status addr @@ -261,7 +263,7 @@ _pc->printf("Verifying."); uint8_t buf[256]; bool passed = false; - for(int addr = 0; addr < 0x10000; addr++) { + for(int addr = 0; addr < 0x80000; addr++) { int c = fgetc(fp); if (c == EOF) { passed = true;