Diff: AVR910.cpp

Revision:

4:ceee1eb7062e

Parent:

3:df6782d01720

--- a/AVR910.cpp	Sat Jan 31 21:54:05 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,516 +0,0 @@
-/**
- * @author Aaron Berk
- *
- * @section LICENSE
- *
- * Copyright (c) 2010 Aaron Berk
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * @section DESCRIPTION
- *
- * Program AVR chips with the AVR910 ISP (in-system programming) protocol,
- * using an mbed.
- *
- * AVR910 Application Note:
- *
- * http://www.atmel.com/dyn/resources/prod_documents/doc0943.pdf
- */
-
-/**
- * Includes
- */
-#include "AVR910.h"
-
-Serial debug(USBTX, USBRX);
-
-AVR910::AVR910(PinName mosi,
-               PinName miso,
-               PinName sclk,
-               PinName nReset) : spi_(mosi, miso, sclk), nReset_(nReset)
-{
-
-    //Slow frequency as default to ensure no errors from
-    //trying to run it too fast. Increase as appropriate.
-    spi_.frequency(5000);
-    spi_.format(8, 0);
-
-    int response = 0;
-
-    //Enter serial programming mode by pulling reset line low.
-    nReset_ = 0;
-
-    //Wait 20ms before issuing first command.
-    wait_ms(20);
-
-    //Issue a programming enable command.
-    response = enableProgramming();
-    //printf("R=%d\n\r",response);
-
-    //Simple debugging to see if we get trapped
-    //in an infinite loop.
-
-    //TODO: introduce a timeout.
-    while (response < 0) {
-
-        //Give nReset a positive pulse.
-        nReset_ = 1;
-        wait_ms(20);
-        nReset_ = 0;
-        wait_ms(20);
-
-        //Issue another programming enable.
-        response = enableProgramming();
-        // printf("R=%d\n\r",response);
-
-    }
-
-
-}
-
-int AVR910::program(FILE* binary, int pageSize, int numPages)
-{
-
-    //Clear memory contents.
-    chipErase();
-
-    char pageOffset = 0;
-    int  pageNumber = 0;
-    int  address    = 0;
-    int  c          = 0;
-    int  highLow    = 0;
-
-    //We're dealing with paged memory.
-    if (numPages > 1) {
-
-        while ((c = getc(binary)) != EOF) {
-
-            //Page is fully loaded, time to write it to flash.
-            if (pageOffset == (pageSize)) {
-                writeFlashMemoryPage(pageNumber);
-
-                pageNumber++;
-                if (pageNumber > numPages) {
-                    break;
-                }
-                pageOffset = 0;
-            }
-
-            //Write low byte.
-            if (highLow == 0) {
-                loadMemoryPage(WRITE_LOW_BYTE, pageOffset, c);
-                highLow = 1;
-            }
-            //Write high byte.
-            else {
-                loadMemoryPage(WRITE_HIGH_BYTE, pageOffset, c);
-                highLow = 0;
-                pageOffset++;
-            }
-
-        }
-
-    }
-    //We're dealing with non-paged memory.
-    else {
-
-        while ((c = getc(binary)) != EOF) {
-
-            //Write low byte.
-            if (highLow == 0) {
-                writeFlashMemoryByte(WRITE_LOW_FLASH_BYTE, address, c);
-                highLow = 1;
-            }
-            //Write high byte.
-            else {
-                writeFlashMemoryByte(WRITE_HIGH_FLASH_BYTE, address, c);
-                highLow = 0;
-                address++;
-
-                //Page size is our memory size in the non-paged memory case.
-                //Therefore if we've gone beyond our size break because we
-                //don't have any more room.
-                if (address > pageSize) {
-                    break;
-                }
-
-            }
-
-        }
-
-    }
-
-    //We might have partially filled up a page.
-    writeFlashMemoryPage(pageNumber);
-
-    int success = -1;
-    success = checkMemory(pageNumber, binary);
-
-    //Leave serial programming mode by pulling reset line high.
-    nReset_ = 1;
-
-    return success;
-
-}
-
-int AVR910::programData(char* myData, int fileSize, int pageSize, int numPages)
-{
-
-    //Clear memory contents.
-    chipErase();
-
-    char pageOffset = 0;
-    int  pageNumber = 0;
-    int  address    = 0;
-    int  c          = 0;
-    int  highLow    = 0;
-
-    //We're dealing with paged memory.
-//   if (numPages > 1) {
-
-    //while ((c = getc(binary)) != EOF) {
-    for (int i=0; i<fileSize; i++) {
-        c = myData[i];
-        printf("p %d: 0x%02x\n",i, myData[i]);
-        //Page is fully loaded, time to write it to flash.
-        if (pageOffset == (pageSize)) {
-            writeFlashMemoryPage(pageNumber);
-
-            pageNumber++;
-            if (pageNumber > numPages) {
-                break;
-            }
-            pageOffset = 0;
-        }
-
-        //Write low byte.
-        if (highLow == 0) {
-            loadMemoryPage(WRITE_LOW_BYTE, pageOffset, c);
-            highLow = 1;
-        }
-        //Write high byte.
-        else {
-            loadMemoryPage(WRITE_HIGH_BYTE, pageOffset, c);
-            highLow = 0;
-            pageOffset++;
-        }
-
-    }
-
-//   }
-    //We're dealing with non-paged memory.
-//   else {
-//
-//        while ((c = getc(binary)) != EOF) {
-//
-//            //Write low byte.
-//            if (highLow == 0) {
-//                writeFlashMemoryByte(WRITE_LOW_FLASH_BYTE, address, c);
-//                highLow = 1;
-//            }
-//            //Write high byte.
-//            else {
-//                writeFlashMemoryByte(WRITE_HIGH_FLASH_BYTE, address, c);
-//                highLow = 0;
-//                address++;
-//
-//                //Page size is our memory size in the non-paged memory case.
-//                //Therefore if we've gone beyond our size break because we
-//                //don't have any more room.
-//                if (address > pageSize) {
-//                    break;
-//                }
-//
-//            }
-//
-//        }
-
-//   }
-
-    //We might have partially filled up a page.
-    writeFlashMemoryPage(pageNumber);
-
-    int success = -1;
-    //success = checkMemory(pageNumber, binary);
-    printf("Going to check memory\n");
-    success = checkMemoryData(pageNumber, myData, fileSize);
-
-    //Leave serial programming mode by pulling reset line high.
-    nReset_ = 1;
-
-    return success;
-
-}
-void AVR910::setFrequency(int frequency)
-{
-
-    spi_.frequency(frequency);
-
-}
-
-int AVR910::enableProgramming(void)
-{
-
-    int response = 0;
-    int error    = 0;
-
-
-    //Programming Enable Command: 0xAC, 0x53, 0x00, 0x00
-    //Byte two echo'd back in byte three.
-    response = spi_.write(0xAC);
-    //printf("enableProgramming resp (should be ??) = %x\n\r",response);
-
-    response = spi_.write(0x53);
-    //printf("enableProgramming resp (should be 0xAC) = %x\n\r",response);
-
-    response = spi_.write(0x00);
-    //printf("enableProgramming resp (should be 0x53) = %x\n\r",response);
-
-    if (response == 0x53) {
-        error =  0;
-    } else {
-        error = -1;
-    }
-
-    response = spi_.write(0x00);
-    //printf("enableProgramming resp (should be 0x00) = %x\n\r",response);
-
-    return error;
-
-}
-
-void AVR910::poll(void)
-{
-
-    int response = 0;
-
-    do {
-        spi_.write(0xF0);
-        spi_.write(0x00);
-        spi_.write(0x00);
-        response = spi_.write(0x00);
-    } while ((response & 0x01) != 0);
-
-}
-
-int AVR910::readVendorCode(void)
-{
-
-    int response = 0;
-
-    //Issue read signature byte command.
-    //Address 0x00 is vendor code.
-    spi_.write(0x30);
-    spi_.write(0x00);
-    spi_.write(0x00);
-    //printf("r1=%d\n\r",spi_.write(0x00));
-    //printf("r2=%d\n\r",spi_.write(0x00));
-    response = spi_.write(0x00);
-    //printf("r3=%d\n\r",response);
-
-    return response;
-
-}
-
-int AVR910::readPartFamilyAndFlashSize(void)
-{
-
-    int response = 0;
-
-    //Issue read signature byte command.
-    //Address 0x01 is part family and flash size code.
-    spi_.write(0x30);
-    spi_.write(0x00);
-    spi_.write(0x01);
-    response = spi_.write(0x00);
-
-    return response;
-
-}
-
-int AVR910::readPartNumber(void)
-{
-
-    int response = 0;
-
-    //Issue read signature byte command.
-    //Address 0x02 is part number code.
-    spi_.write(0x30);
-    spi_.write(0x00);
-    spi_.write(0x02);
-    response = spi_.write(0x00);
-
-    return response;
-
-}
-
-void AVR910::chipErase(void)
-{
-
-    //Issue chip erase command.
-    spi_.write(0xAC);
-    spi_.write(0x80);
-    spi_.write(0x00);
-    spi_.write(0x00);
-
-    poll();
-
-    //Temporarily release reset line.
-    nReset_ = 1;
-    nReset_ = 0;
-
-}
-
-void AVR910::loadMemoryPage(int highLow, char address, char data)
-{
-
-    spi_.write(highLow);
-    spi_.write(0x00);
-    spi_.write(address & 0x3F);
-    spi_.write(data);
-
-    poll();
-
-}
-
-void AVR910::writeFlashMemoryByte(int highLow, int address, char data)
-{
-
-    spi_.write(highLow);
-    spi_.write(address & 0xFF00 >> 8);
-    spi_.write(address & 0x00FF);
-    spi_.write(data);
-
-}
-
-void AVR910::writeFlashMemoryPage(char pageNumber)
-{
-
-    spi_.write(0x4C);
-    spi_.write((pageNumber >> 2) & 0x3F);
-    spi_.write((pageNumber & 0x03) << 6);
-    spi_.write(0x00);
-
-    poll();
-
-}
-
-char AVR910::readProgramMemory(int highLow, char pageNumber, char pageOffset)
-{
-
-    int response = 0;
-
-    spi_.write(highLow);
-    spi_.write((pageNumber >> 2) & 0x3F);
-    spi_.write(((pageNumber & 0x03) << 6) | (pageOffset & 0x3F));
-    response = spi_.write(0x00);
-
-    poll();
-
-    return response;
-
-}
-
-int AVR910::checkMemory(int numPages, FILE* binary)
-{
-
-    int success  = 0;
-    int response = 0;
-    char c       = 0;
-
-    //Go back to the beginning of the binary file.
-    fseek(binary, 0, SEEK_SET);
-
-    for (int i = 0; i < numPages; i++) {
-        for (int j = 0; j < PAGE_SIZE; j++) {
-            c = getc(binary);
-            //Read program memory low byte.
-            response = readProgramMemory(READ_LOW_BYTE, i, j);
-            //debug.printf("Low byte: 0x%02x\n", response);
-            if ( c != response ) {
-                //  debug.printf("Page %i low byte %i: 0x%02x\n", i, j, response);
-                //  debug.printf("Correct byte is 0x%02x\n", c);
-                success = -1;
-            }
-
-            c = getc(binary);
-            //Read program memory high byte.
-            response = readProgramMemory(READ_HIGH_BYTE, i, j);
-            //debug.printf("High byte: 0x%02x\n", response);
-            if ( c != response ) {
-                // debug.printf("Page %i high byte %i: 0x%02x\n", i, j, response);
-                // debug.printf("Correct byte is 0x%02x\n", c);
-                success = -1;
-            }
-        }
-    }
-
-    return success;
-
-}
-
-
-int AVR910::checkMemoryData(int numPages, char* myData, int fileSize)
-{
-
-    int success  = 0;
-    int response = 0;
-    char c       = 0;
-
-    //Go back to the beginning of the binary file.
-    //fseek(binary, 0, SEEK_SET);
-    int dpoint=0;
-    printf("about to start checking (numPages=%d pagesize=%d)\n",numPages, PAGE_SIZE);
-    for (int i = 0; i <= numPages; i++) {
-        for (int j = 0; j < PAGE_SIZE; j++) {
-
-            //c = getc(binary);
-            c = myData[dpoint];
-            //Read program memory low byte.
-            response = readProgramMemory(READ_LOW_BYTE, i, j);
-            //debug.printf("Low byte: 0x%02x\n", response);
-            printf("dpoint=%d Page %i low byte %i: 0x%02x (should be 0x%02x)\n", dpoint-1, i, j, response,c);
-            if ( c != response ) {
-                // debug.printf("Page %i low byte %i: 0x%02x\n", i, j, response);
-                // debug.printf("Correct byte is 0x%02x\n", c);
-                success = -1;
-            }
-
-            //c = getc(binary);
-            dpoint++;
-            if (dpoint==fileSize) break;
-            c = myData[dpoint];
-            //Read program memory high byte.
-            response = readProgramMemory(READ_HIGH_BYTE, i, j);
-            printf("dpoint=%d Page %i high byte %i: 0x%02x (should be 0x%02x)\n", dpoint-1, i, j, response,c);
-
-            //debug.printf("High byte: 0x%02x\n", response);
-            if ( c != response ) {
-                // debug.printf("Page %i high byte %i: 0x%02x\n", i, j, response);
-                //debug.printf("Correct byte is 0x%02x\n", c);
-                success = -1;
-            }
-            dpoint++;
-            if (dpoint==fileSize) break;
-        }
-    }
-
-    return success;
-
-}