Aaron Berk / Mbed 2 deprecated mAVRISP

Program an AVR microcontroller using mbed.

Dependencies:   mbed

main.cpp@2:99c56829a2a8, 2010-09-09 (annotated)

Committer:
aberk
Date:
Thu Sep 09 11:11:37 2010 +0000
Revision:
2:99c56829a2a8
Parent:
1:276f6df4be7a 
Improved support and documentation for non-paged memory devices.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aberk 0:3066745764a5 1 /**
aberk 0:3066745764a5 2 * Program an AVR with an mbed.
aberk 0:3066745764a5 3 */
aberk 0:3066745764a5 4
aberk 0:3066745764a5 5 #include "AVR910.h"
aberk 0:3066745764a5 6
aberk 0:3066745764a5 7 LocalFileSystem local("local");
aberk 0:3066745764a5 8 Serial pc(USBTX, USBRX);
aberk 0:3066745764a5 9 AVR910 mAVRISP(p5, p6, p7, p8); //mosi, miso, sclk, nreset.
aberk 0:3066745764a5 10
aberk 0:3066745764a5 11 int main() {
aberk 0:3066745764a5 12
aberk 0:3066745764a5 13 int success = -1;
aberk 0:3066745764a5 14 int response = 0;
aberk 1:276f6df4be7a 15
aberk 0:3066745764a5 16 //Read the vendor code [0x1E == Atmel].
aberk 0:3066745764a5 17 response = mAVRISP.readVendorCode();
aberk 0:3066745764a5 18
aberk 0:3066745764a5 19 if (response == ATMEL_VENDOR_CODE) {
aberk 0:3066745764a5 20 pc.printf("Microcontroller is an Atmel [0x%02x]\n", response);
aberk 0:3066745764a5 21 } else if (response == DEVICE_LOCKED) {
aberk 0:3066745764a5 22 pc.printf("Device is locked\n");
aberk 0:3066745764a5 23 return -1;
aberk 0:3066745764a5 24 } else {
aberk 0:3066745764a5 25 pc.printf("Microcontroller is not an Atmel\n");
aberk 0:3066745764a5 26 return -1;
aberk 0:3066745764a5 27 }
aberk 1:276f6df4be7a 28
aberk 0:3066745764a5 29 //Read part family and flash size - see datasheet for code meaning.
aberk 0:3066745764a5 30 response = mAVRISP.readPartFamilyAndFlashSize();
aberk 0:3066745764a5 31
aberk 0:3066745764a5 32 if (response == 0xFF) {
aberk 0:3066745764a5 33 pc.printf("Device code erased or target missing\n");
aberk 0:3066745764a5 34 } else if (response == 0x01) {
aberk 0:3066745764a5 35 pc.printf("Device locked\n");
aberk 0:3066745764a5 36 return -1;
aberk 0:3066745764a5 37 } else {
aberk 0:3066745764a5 38 pc.printf("Part family and flash size code is: 0x%02x\n", response);
aberk 0:3066745764a5 39 }
aberk 0:3066745764a5 40
aberk 0:3066745764a5 41 //Read part number.
aberk 0:3066745764a5 42 response = mAVRISP.readPartNumber();
aberk 0:3066745764a5 43
aberk 0:3066745764a5 44 if (response == 0xFF) {
aberk 0:3066745764a5 45 pc.printf("Device code erased or target missing\n");
aberk 0:3066745764a5 46 } else if (response == 0x02) {
aberk 0:3066745764a5 47 pc.printf("Device locked\n");
aberk 0:3066745764a5 48 return -1;
aberk 0:3066745764a5 49 } else {
aberk 0:3066745764a5 50 pc.printf("Part number code is: 0x%02x\n", response);
aberk 0:3066745764a5 51 }
aberk 1:276f6df4be7a 52
aberk 0:3066745764a5 53 //Open binary file to write to AVR.
aberk 0:3066745764a5 54 FILE *fp = fopen(PATH_TO_BINARY, "rb");
aberk 1:276f6df4be7a 55
aberk 1:276f6df4be7a 56 if (fp == NULL) {
aberk 0:3066745764a5 57 pc.printf("Failed to open binary. Please check the file path\n");
aberk 0:3066745764a5 58 return -1;
aberk 1:276f6df4be7a 59 } else {
aberk 0:3066745764a5 60 //Program it!
aberk 0:3066745764a5 61 pc.printf("Binary file opened successfully\n");
aberk 1:276f6df4be7a 62 success = mAVRISP.program(fp,
aberk 1:276f6df4be7a 63 ATMEGA328P_PAGESIZE,
aberk 1:276f6df4be7a 64 ATMEGA328P_NUM_PAGES);
aberk 0:3066745764a5 65 fclose(fp);
aberk 0:3066745764a5 66 }
aberk 1:276f6df4be7a 67
aberk 1:276f6df4be7a 68 if (success < 0) {
aberk 0:3066745764a5 69 printf("Programming failed.\n");
aberk 1:276f6df4be7a 70 } else {
aberk 0:3066745764a5 71 printf("Programming was successful!\n");
aberk 0:3066745764a5 72 }
aberk 1:276f6df4be7a 73
aberk 0:3066745764a5 74 }