mirror of https://github.com/jeelabs/esp-link.git
Thorsten von Eicken
8 years ago
parent
1d2ebd94be
commit
02b31b1818
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// Copyright (c) 2016-2017 by Danny Backx, see LICENSE.txt in the esp-link repo
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#ifndef CGIMEGA_H |
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#define CGIMEGA_H |
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#include <httpd.h> |
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int ICACHE_FLASH_ATTR cgiMegaSync(HttpdConnData *connData); |
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int ICACHE_FLASH_ATTR cgiMegaData(HttpdConnData *connData); |
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int ICACHE_FLASH_ATTR cgiMegaRead(HttpdConnData *connData); |
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int ICACHE_FLASH_ATTR cgiMegaFuse(HttpdConnData *connData); |
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int ICACHE_FLASH_ATTR cgiMegaRebootMCU(HttpdConnData *connData); |
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#endif |
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// Copyright (c) 2015 by Thorsten von Eicken, see LICENSE.txt in the esp-link repo
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// Copyright (c) 2016-2017 by Danny Backx
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#include <esp8266.h> |
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#include <osapi.h> |
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#include "cgi.h" |
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#include "config.h" |
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#include "uart.h" |
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#include "stk500v2.h" |
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#include "serbridge.h" |
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#include "serled.h" |
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#include "pgmshared.h" |
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struct optibootData *optibootData; |
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char responseBuf[RESP_SZ]; // buffer to accumulate responses from optiboot
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short responseLen = 0; // amount accumulated so far
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char errMessage[ERR_MAX]; // error message
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// verify that N chars are hex characters
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bool ICACHE_FLASH_ATTR checkHex(char *buf, short len) { |
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while (len--) { |
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char c = *buf++; |
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if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')) |
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continue; |
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DBG("OB non-hex\n"); |
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os_sprintf(errMessage, "Non hex char in POST record: '%c'/0x%02x", c, c); |
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return false; |
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} |
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return true; |
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} |
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// get hex value of some hex characters
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uint32_t ICACHE_FLASH_ATTR getHexValue(char *buf, short len) { |
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uint32_t v = 0; |
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while (len--) { |
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v = (v<<4) | (uint32_t)(*buf & 0xf); |
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if (*buf > '9') v += 9; |
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buf++; |
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} |
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return v; |
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} |
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// verify checksum
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static bool ICACHE_FLASH_ATTR verifyChecksum(char *buf, short len) { |
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uint8_t sum = 0; |
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while (len >= 2) { |
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sum += (uint8_t)getHexValue(buf, 2); |
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buf += 2; |
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len -= 2; |
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} |
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return sum == 0; |
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} |
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// We've not built one function that works on both, but kept the different functions.
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// This calls one or the other
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static bool ICACHE_FLASH_ATTR programPage() { |
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if (optibootData->mega) |
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return megaProgramPage(); |
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return optibootProgramPage(); |
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} |
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// Process a hex record -- assumes that the records starts with ':' & hex length
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bool ICACHE_FLASH_ATTR processRecord(char *buf, short len) { |
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buf++; len--; // skip leading ':'
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// check we have all hex chars
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if (!checkHex(buf, len)) return false; |
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// verify checksum
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if (!verifyChecksum(buf, len)) { |
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buf[len] = 0; |
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os_sprintf(errMessage, "Invalid checksum for record %s", buf); |
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return false; |
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} |
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// dispatch based on record type
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uint8_t type = getHexValue(buf+6, 2); |
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switch (type) { |
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case 0x00: { // Intel HEX data record
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//DBG("OB REC data %ld pglen=%d\n", getHexValue(buf, 2), optibootData->pageLen);
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uint32_t addr = getHexValue(buf+2, 4); |
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// check whether we need to program previous record(s)
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if (optibootData->pageLen > 0 && |
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addr != ((optibootData->address+optibootData->pageLen)&0xffff)) { |
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//DBG("OB addr chg\n");
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//DBG("processRecord addr chg, len %d, addr 0x%04x\n", optibootData->pageLen, addr);
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if (!programPage()) return false; |
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} |
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// set address, unless we're adding to the end (programPage may have changed pageLen)
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if (optibootData->pageLen == 0) { |
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optibootData->address = (optibootData->address & 0xffff0000) | addr; |
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//DBG("OB set-addr 0x%lx\n", optibootData->address);
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} |
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// append record
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uint16_t recLen = getHexValue(buf, 2); |
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for (uint16_t i=0; i<recLen; i++) |
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optibootData->pageBuf[optibootData->pageLen++] = getHexValue(buf+8+2*i, 2); |
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// program page, if we have a full page
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if (optibootData->pageLen >= optibootData->pgmSz) { |
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//DBG("OB full\n");
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DBG("processRecord %d, call programPage() %08x\n", optibootData->pgmSz, optibootData->address + optibootData->segment); |
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if (!programPage()) return false; |
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} |
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break; } |
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case 0x01: // Intel HEX EOF record
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DBG("OB EOF\n"); |
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// program any remaining partial page
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#if 1 |
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if (optibootData->pageLen > 0) { |
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// DBG("processRecord remaining partial page, len %d, addr 0x%04x\n", optibootData->pageLen, optibootData->address + optibootData->segment);
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if (!programPage()) return false; |
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} |
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optibootData->eof = true; |
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#else |
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if (optibootData->pageLen > 0) { |
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// HACK : fill up with 0xFF
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while (optibootData->pageLen < 256) { |
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optibootData->pageBuf[optibootData->pageLen++] = 0xFF; |
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} |
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if (!programPage()) return false; |
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} |
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optibootData->eof = true; |
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#endif |
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break; |
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case 0x04: // Intel HEX address record
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DBG("OB address 0x%x\n", getHexValue(buf+8, 4) << 16); |
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// program any remaining partial page
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if (optibootData->pageLen > 0) { |
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DBG("processRecord 0x04 remaining partial page, len %d, addr 0x%04x\n", |
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optibootData->pageLen, optibootData->address + optibootData->segment); |
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if (!programPage()) return false; |
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} |
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optibootData->address = getHexValue(buf+8, 4) << 16; |
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break; |
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case 0x05: // Intel HEX start address (MDK-ARM only)
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// ignore, there's no way to tell optiboot that...
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break; |
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case 0x02: // Intel HEX extended segment address record
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// Depending on the case, just ignoring this record could solve the problem
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// optibootData->segment = getHexValue(buf+8, 4) << 4;
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DBG("OB segment 0x%08X\n", optibootData->segment); |
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return true; |
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default: |
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// DBG("OB bad record type\n");
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DBG(errMessage, "Invalid/unknown record type: 0x%02x, packet %s", type, buf); |
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return false; |
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} |
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return true; |
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} |
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@ -0,0 +1,54 @@ |
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// Copyright (c) 2015 by Thorsten von Eicken, see LICENSE.txt in the esp-link repo
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// Copyright (c) 2017 by Danny Backx
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#ifndef _PGM_SHARED_H_ |
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#define _PGM_SHARED_H_ |
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#include "user_config.h" |
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#define RESP_SZ 64 |
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#define ERR_MAX 128 |
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extern char responseBuf[RESP_SZ]; |
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extern short responseLen; |
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extern char errMessage[ERR_MAX]; |
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// structure used to remember request details from one callback to the next
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// allocated dynamically so we don't burn so much static RAM
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extern struct optibootData { |
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char *saved; // buffer for saved incomplete hex records
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char *pageBuf; // buffer for received data to be sent to AVR
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uint16_t pageLen; // number of bytes in pageBuf
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uint16_t pgmSz; // size of flash page to be programmed at a time
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uint32_t pgmDone; // number of bytes programmed
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uint32_t address; // address to write next page to
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uint32_t segment; // for extended segment addressing, added to the address field
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uint32_t startTime; // time of program POST request
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HttpdConnData *conn; // request doing the programming, so we can cancel it
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bool eof; // got EOF record
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// Whether to use the Mega (STK500v2) protocol
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bool mega; |
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// STK500v2 variables
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int hardwareVersion, |
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firmwareVersionMajor, |
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firmwareVersionMinor, |
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vTarget; |
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uint8_t signature[3]; |
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uint8_t lfuse, hfuse, efuse; |
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} *optibootData; |
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bool ICACHE_FLASH_ATTR checkHex(char *buf, short len); |
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uint32_t ICACHE_FLASH_ATTR getHexValue(char *buf, short len); |
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bool ICACHE_FLASH_ATTR processRecord(char *buf, short len); |
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bool megaProgramPage(void); |
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bool optibootProgramPage(void); |
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#ifdef OPTIBOOT_DBG |
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#define DBG(format, ...) do { os_printf(format, ## __VA_ARGS__); } while(0) |
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#else |
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#define DBG(format, ...) do { } while(0) |
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#endif |
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#endif |
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@ -0,0 +1,114 @@ |
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//**** ATMEL AVR - A P P L I C A T I O N N O T E ************************
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//*
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//* Title: AVR068 - STK500 Communication Protocol
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//* Filename: command.h
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//* Version: 1.0
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//* Last updated: 31.01.2005
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//*
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//* Support E-mail: avr@atmel.com
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//*
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//**************************************************************************
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// *****************[ STK message constants ]***************************
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#define MESSAGE_START 0x1B //= ESC = 27 decimal
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#define TOKEN 0x0E |
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// *****************[ STK general command constants ]**************************
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#define CMD_SIGN_ON 0x01 |
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#define CMD_SET_PARAMETER 0x02 |
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#define CMD_GET_PARAMETER 0x03 |
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#define CMD_SET_DEVICE_PARAMETERS 0x04 |
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#define CMD_OSCCAL 0x05 |
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#define CMD_LOAD_ADDRESS 0x06 |
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#define CMD_FIRMWARE_UPGRADE 0x07 |
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// *****************[ STK ISP command constants ]******************************
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#define CMD_ENTER_PROGMODE_ISP 0x10 |
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#define CMD_LEAVE_PROGMODE_ISP 0x11 |
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#define CMD_CHIP_ERASE_ISP 0x12 |
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#define CMD_PROGRAM_FLASH_ISP 0x13 |
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#define CMD_READ_FLASH_ISP 0x14 |
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#define CMD_PROGRAM_EEPROM_ISP 0x15 |
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#define CMD_READ_EEPROM_ISP 0x16 |
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#define CMD_PROGRAM_FUSE_ISP 0x17 |
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#define CMD_READ_FUSE_ISP 0x18 |
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#define CMD_PROGRAM_LOCK_ISP 0x19 |
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#define CMD_READ_LOCK_ISP 0x1A |
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#define CMD_READ_SIGNATURE_ISP 0x1B |
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#define CMD_READ_OSCCAL_ISP 0x1C |
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#define CMD_SPI_MULTI 0x1D |
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// *****************[ STK PP command constants ]*******************************
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#define CMD_ENTER_PROGMODE_PP 0x20 |
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#define CMD_LEAVE_PROGMODE_PP 0x21 |
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#define CMD_CHIP_ERASE_PP 0x22 |
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#define CMD_PROGRAM_FLASH_PP 0x23 |
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#define CMD_READ_FLASH_PP 0x24 |
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#define CMD_PROGRAM_EEPROM_PP 0x25 |
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#define CMD_READ_EEPROM_PP 0x26 |
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#define CMD_PROGRAM_FUSE_PP 0x27 |
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#define CMD_READ_FUSE_PP 0x28 |
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#define CMD_PROGRAM_LOCK_PP 0x29 |
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#define CMD_READ_LOCK_PP 0x2A |
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#define CMD_READ_SIGNATURE_PP 0x2B |
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#define CMD_READ_OSCCAL_PP 0x2C |
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#define CMD_SET_CONTROL_STACK 0x2D |
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// *****************[ STK HVSP command constants ]*****************************
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#define CMD_ENTER_PROGMODE_HVSP 0x30 |
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#define CMD_LEAVE_PROGMODE_HVSP 0x31 |
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#define CMD_CHIP_ERASE_HVSP 0x32 |
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#define CMD_PROGRAM_FLASH_HVSP 0x33 |
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#define CMD_READ_FLASH_HVSP 0x34 |
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#define CMD_PROGRAM_EEPROM_HVSP 0x35 |
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#define CMD_READ_EEPROM_HVSP 0x36 |
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#define CMD_PROGRAM_FUSE_HVSP 0x37 |
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#define CMD_READ_FUSE_HVSP 0x38 |
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#define CMD_PROGRAM_LOCK_HVSP 0x39 |
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#define CMD_READ_LOCK_HVSP 0x3A |
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#define CMD_READ_SIGNATURE_HVSP 0x3B |
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#define CMD_READ_OSCCAL_HVSP 0x3C |
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// *****************[ STK status constants ]***************************
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// Success
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#define STATUS_CMD_OK 0x00 |
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// Warnings
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#define STATUS_CMD_TOUT 0x80 |
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#define STATUS_RDY_BSY_TOUT 0x81 |
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#define STATUS_SET_PARAM_MISSING 0x82 |
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// Errors
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#define STATUS_CMD_FAILED 0xC0 |
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#define STATUS_CKSUM_ERROR 0xC1 |
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#define STATUS_CMD_UNKNOWN 0xC9 |
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// *****************[ STK parameter constants ]***************************
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#define PARAM_BUILD_NUMBER_LOW 0x80 |
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#define PARAM_BUILD_NUMBER_HIGH 0x81 |
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#define PARAM_HW_VER 0x90 |
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#define PARAM_SW_MAJOR 0x91 |
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#define PARAM_SW_MINOR 0x92 |
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#define PARAM_VTARGET 0x94 |
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#define PARAM_VADJUST 0x95 |
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#define PARAM_OSC_PSCALE 0x96 |
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#define PARAM_OSC_CMATCH 0x97 |
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#define PARAM_SCK_DURATION 0x98 |
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#define PARAM_TOPCARD_DETECT 0x9A |
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#define PARAM_STATUS 0x9C |
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#define PARAM_DATA 0x9D |
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#define PARAM_RESET_POLARITY 0x9E |
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#define PARAM_CONTROLLER_INIT 0x9F |
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// *****************[ STK answer constants ]***************************
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#define ANSWER_CKSUM_ERROR 0xB0 |
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@ -0,0 +1,114 @@ |
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#! /bin/bash |
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# |
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# Flash an Arduino Mega with STK500v2 using the esp-link built-in programmer |
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# Basically we first reset the AVR and get in sync, and then send the hex file |
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# |
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# ---------------------------------------------------------------------------- |
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# "THE BEER-WARE LICENSE" (Revision 42): |
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# Thorsten von Eicken wrote this file. As long as you retain |
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# this notice you can do whatever you want with this stuff. If we meet some day, |
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# and you think this stuff is worth it, you can buy me a beer in return. |
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# |
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# Danny Backx wrote the changes for Arduino Mega. |
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# ---------------------------------------------------------------------------- |
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show_help() { |
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cat <<EOT |
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Usage: ${0##*/} [-options...] hostname sketch.hex |
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Flash the Mega running optiboot attached to esp-link with the sketch. |
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Note : this is for stk500v2 MCUs, use avrflash for Arduino Uno etc instead. |
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-v Be verbose |
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-h show this help |
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Example: ${0##*/} -v esp-link mysketch.hex |
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${0##*/} 192.168.4.1 mysketch.hex |
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EOT |
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} |
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if ! which curl >/dev/null; then |
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echo "ERROR: Cannot find curl: it is required for this script." >&2 |
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exit 1 |
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fi |
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start=`date +%s` |
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# ===== Parse arguments |
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verbose= |
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while getopts "hvx:" opt; do |
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case "$opt" in |
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h) show_help; exit 0 ;; |
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v) verbose=1 ;; |
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x) foo="$OPTARG" ;; |
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'?') show_help >&2; exit 1 ;; |
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esac |
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done |
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# Shift off the options and optional --. |
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shift "$((OPTIND-1))" |
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# Get the fixed arguments |
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if [[ $# != 2 ]]; then |
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show_help >&2 |
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exit 1 |
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fi |
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hostname=$1 |
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hex=$2 |
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re='[-A-Za-z0-9.]+' |
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if [[ ! "$hostname" =~ $re ]]; then |
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echo "ERROR: hostname ${hostname} is not a valid hostname or ip address" >&2 |
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exit 1 |
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fi |
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if [[ ! -r "$hex" ]]; then |
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echo "ERROR: cannot read hex file ($hex)" >&2 |
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exit 1 |
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fi |
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# ===== Get AVR in sync |
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[[ -n "$verbose" ]] && echo "Resetting AVR with http://$hostname/pgmmega/sync" >&2 |
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v=; [[ -n "$verbose" ]] && v=-v |
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sync=`curl -m 10 $v -s -w '%{http_code}' -XPOST "http://$hostname/pgmmega/sync"` |
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if [[ $? != 0 || "$sync" != 204 ]]; then |
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echo "Error resetting AVR" >&2 |
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exit 1 |
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fi |
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while true; do |
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# sync=`curl -m 10 $v -s "http://$hostname/pgmmega/sync"` |
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sync=`curl $v -s "http://$hostname/pgmmega/sync"` |
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if [[ $? != 0 ]]; then |
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echo "Error checking sync" >&2 |
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exit 1 |
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fi |
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case "$sync" in |
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SYNC*) |
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echo "AVR in $sync" >&2 |
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break;; |
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"NOT READY"*) |
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[[ -n "$verbose" ]] && echo " Waiting for sync..." >&2 |
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;; |
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*) |
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echo "Error checking sync: $sync" >&2 |
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exit 1 |
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;; |
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esac |
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sleep 0.1 |
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done |
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# ===== Send HEX file |
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[[ -n "$verbose" ]] && echo "Sending HEX file for programming" >&2 |
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sync=`curl -m 20 $v -s -g -d "@$hex" "http://$hostname/pgmmega/upload"` |
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echo $sync |
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if [[ $? != 0 || ! "$sync" =~ ^Success ]]; then |
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echo "Error programming AVR" >&2 |
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exit 1 |
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fi |
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sec=$(( `date +%s` - $start )) |
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echo "Success, took $sec seconds" >&2 |
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exit 0 |
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