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USB composite device example program, drag-and-drop flash writer.
Dependencies: SWD USBDevice mbed BaseDAP
Diff: USBMSD_LPC.cpp
- Revision:
- 1:ea8e179320d7
- Parent:
- 0:2385683c867a
--- a/USBMSD_LPC.cpp Tue Sep 17 04:33:44 2013 +0000 +++ b/USBMSD_LPC.cpp Sat Sep 28 03:21:14 2013 +0000 @@ -1,80 +1,45 @@ -// USBMSD_LPC.cpp 2013/9/17 +// USBMSD_LPC.cpp 2013/9/28 #include "mbed.h" #include "USBMSD_LPC.h" +#define MY_DEBUG #include "mydebug.h" -USBMSD_LPC::USBMSD_LPC(PinName swdio, PinName swclk, PinName reset, Serial* usbpc) - : _target(swdio, swclk, reset), _pc(usbpc) -{ - _target.setup(); - _flash = new Flash(&_target, _pc); - _status = 0x01; - _prog_mode = false; - connect(); -} +#ifdef TARGET_LPC1768 +#define LED_ON 1 +#define LED_OFF 0 +#endif +#ifdef TARGET_KL25Z +#define LED_ON 0 +#define LED_OFF 1 +#endif +DigitalOut led3(LED3); -/* virtual */ int USBMSD_LPC::disk_initialize() +USBMSD_LPC::USBMSD_LPC(SWD* swd, Serial* usbpc) : _pc(usbpc) { - _status = 0x00; - return 0; -} - -/* virtual */ int USBMSD_LPC::disk_status() -{ - return _status; -} - -/* virtual */ int USBMSD_LPC::disk_read(uint8_t * data, uint64_t block) -{ - DBG("block=%d", (int)block); - return _romdisk.read(data, block); + _target = new Target2(swd); + _flash = NULL; + led3 = LED_OFF; } -/* virtual */ int USBMSD_LPC::disk_write(const uint8_t * data, uint64_t block) +/* virtual */ void USBMSD_LPC::Drop(const uint8_t* data, int len, int offset, int total) { - DBG("block=%d", (int)block); - if (_prog_mode == false) { - if (_romdisk.is_data(block)) { - _addr = 0; - flashBinary(_addr, data, 512); - _prev_block = block; - _addr += 512; - _prog_mode = true; - _pc->printf("Writing."); - } - } else { - if (!_romdisk.is_data(block)) { - _pc->printf("passed.\n"); - _target.SoftwareReset(); - _prog_mode = false; - } else if ((_prev_block+1) != block) { - _prog_mode = false; - } else { - flashBinary(_addr, data, 512); - _pc->printf("."); - _prev_block = block; - _addr += 512; - } + if (_flash == NULL) { + _target->setup(); + _flash = new Flash(_target, _pc); } - return _romdisk.write(data, block); -} - -/* virtual */ uint64_t USBMSD_LPC::disk_sectors() -{ - return _romdisk.sectors(); -} - -/* virtual */ uint64_t USBMSD_LPC::disk_size() -{ - return _romdisk.sectors() * 512; -} - -void USBMSD_LPC::flashBinary(int addr, const uint8_t* buf, int size) -{ - DBG("addr=%d(%d)", addr, size); - if (addr == 0) { + DBG("%d/%d", offset, total); + if (offset == 0) { _flash->init(); _flash->eraseAll(); + led3 = LED_ON; } - _flash->write(addr, buf, size); + _flash->write(offset, data, len); + led3 = !led3; + if (offset+len >= total) { + led3 = LED_OFF; + delete _flash; + _flash = NULL; + _target->SoftwareReset(); + _target->setup(); + } }