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experimental local erase, needs testing

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This commit is contained in:
cTn 2014-05-07 05:01:08 +02:00
parent 8aafb37864
commit eb92009bcb
1 changed files with 44 additions and 8 deletions
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52
js/stm32.js
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@ -37,6 +37,9 @@ var STM32_protocol = function() {
};
// Erase (x043) and Extended Erase (0x44) are exclusive. A device may support either the Erase command or the Extended Erase command but not both.
this.available_flash_size = 0;
this.page_size = 0;
};
// string = string .. duh
@ -241,15 +244,14 @@ STM32_protocol.prototype.verify_response = function(val, data) {
// input = 16 bit value
// result = true/false
STM32_protocol.prototype.verify_chip_signature = function(signature) {
var available_flash_size = 0;
switch (signature) {
case 0x412: // not tested
console.log('Chip recognized as F1 Low-density');
break;
case 0x410:
console.log('Chip recognized as F1 Medium-density');
available_flash_size = 131072;
this.available_flash_size = 131072;
this.page_size = 1024;
break;
case 0x414: // not tested
console.log('Chip recognized as F1 High-density');
@ -298,11 +300,11 @@ STM32_protocol.prototype.verify_chip_signature = function(signature) {
break;
}
if (available_flash_size > 0) {
if (this.hex.bytes_total < available_flash_size) {
if (this.available_flash_size > 0) {
if (this.hex.bytes_total < this.available_flash_size) {
return true;
} else {
console.log('Supplied hex is bigger then flash available on the chip, HEX: ' + this.hex.bytes_total + ' bytes, limit = ' + available_flash_size + ' bytes');
console.log('Supplied hex is bigger then flash available on the chip, HEX: ' + this.hex.bytes_total + ' bytes, limit = ' + this.available_flash_size + ' bytes');
return false;
}
@ -394,6 +396,39 @@ STM32_protocol.prototype.upload_procedure = function(step) {
break;
case 4:
// erase memory
// EXPERIMENTAL
console.log('Executing local erase (only needed pages)');
STM32.GUI_status('Erasing');
self.send([self.command.erase, 0xBC], 1, function(reply) { // 0x43 ^ 0xFF
if (self.verify_response(self.status.ACK, reply)) {
// the bootloader receives one byte that contains N, the number of pages to be erased – 1
var erase_pages_n = Math.ceil(self.hex.bytes_total / self.page_size);
var buff = [];
buff.push(erase_pages_n - 1);
var checksum = buff[0];
for (var i = 0; i < erase_pages_n; i++) {
buff.push(i);
checksum ^= i;
}
buff.push(checksum);
self.send(buff, 1, function(reply) {
if (self.verify_response(self.status.ACK, reply)) {
console.log('Erasing: done');
console.log('Writing data ...');
STM32.GUI_status('<span style="color: green">Flashing ...</span>');
// proceed to next step
self.upload_procedure(5);
}
});
}
});
// OLD BUT GOLD
/*
console.log('Executing global chip erase');
STM32.GUI_status('Erasing');
@ -411,6 +446,7 @@ STM32_protocol.prototype.upload_procedure = function(step) {
});
}
});
*/
break;
case 5:
// upload
@ -423,7 +459,7 @@ STM32_protocol.prototype.upload_procedure = function(step) {
function write() {
if (bytes_flashed < self.hex.data[flashing_block].bytes) {
var bytes_to_write = ((bytes_flashed + 128) <= self.hex.data[flashing_block].bytes) ? 128 : (self.hex.data[flashing_block].bytes - bytes_flashed);
var bytes_to_write = ((bytes_flashed + 256) <= self.hex.data[flashing_block].bytes) ? 256 : (self.hex.data[flashing_block].bytes - bytes_flashed);
// console.log('STM32 - Writing to: 0x' + address.toString(16) + ', ' + bytes_to_write + ' bytes');
@ -503,7 +539,7 @@ STM32_protocol.prototype.upload_procedure = function(step) {
function reading() {
if (bytes_verified < self.hex.data[reading_block].bytes) {
var bytes_to_read = ((bytes_verified + 128) <= self.hex.data[reading_block].bytes) ? 128 : (self.hex.data[reading_block].bytes - bytes_verified);
var bytes_to_read = ((bytes_verified + 256) <= self.hex.data[reading_block].bytes) ? 256 : (self.hex.data[reading_block].bytes - bytes_verified);
// console.log('STM32 - Reading from: 0x' + address.toString(16) + ', ' + bytes_to_read + ' bytes');