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Add support for STM32 Extended Erase to allow erasing only needed pages.

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This commit is contained in:
Dominic Clifton 2015-05-22 02:18:40 +01:00
parent 2f6160d6a1
commit 5471ab7f65
1 changed files with 66 additions and 14 deletions
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80
js/protocols/stm32.js
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@ -395,7 +395,7 @@ STM32_protocol.prototype.upload_procedure = function (step) {
self.retrieve(data[1] + 1 + 1, function (data) { // data[1] = number of bytes that will follow [– 1 except current and ACKs] self.retrieve(data[1] + 1 + 1, function (data) { // data[1] = number of bytes that will follow [– 1 except current and ACKs]
console.log('STM32 - Bootloader version: ' + (parseInt(data[0].toString(16)) / 10).toFixed(1)); // convert dec to hex, hex to dec and add floating point console.log('STM32 - Bootloader version: ' + (parseInt(data[0].toString(16)) / 10).toFixed(1)); // convert dec to hex, hex to dec and add floating point
self.useExtendedErase = (data[7] == 0x44); self.useExtendedErase = (data[7] == self.command.extended_erase);
// proceed to next step // proceed to next step
self.upload_procedure(3); self.upload_procedure(3);
@ -426,20 +426,72 @@ STM32_protocol.prototype.upload_procedure = function (step) {
// erase memory // erase memory
if (self.useExtendedErase) { if (self.useExtendedErase) {
var message = 'Executing global chip (via extended erase)'; if (self.options.erase_chip) {
console.log(message);
$('span.progressLabel').text(message + ' ...');
self.send([0x44, 0xBB], 1, function (reply) { var message = 'Executing global chip erase (via extended erase)';
if (self.verify_response(self.status.ACK, reply)) { console.log(message);
self.send( [0xFF, 0xFF, 0x00], 1, function (reply) { $('span.progressLabel').text(message + ' ...');
if (self.verify_response(self.status.ACK, reply)) {
console.log('Executing global chip extended erase: done'); self.send([self.command.extended_erase, 0xBB], 1, function (reply) {
self.upload_procedure(5); if (self.verify_response(self.status.ACK, reply)) {
self.send( [0xFF, 0xFF, 0x00], 1, function (reply) {
if (self.verify_response(self.status.ACK, reply)) {
console.log('Executing global chip extended erase: done');
self.upload_procedure(5);
}
});
}
});
} else {
var message = 'Executing local erase (via extended erase)';
console.log(message);
$('span.progressLabel').text(message + ' ...');
self.send([self.command.extended_erase, 0xBB], 1, function (reply) {
if (self.verify_response(self.status.ACK, reply)) {
// For reference: https://code.google.com/p/stm32flash/source/browse/stm32.c#723
var max_address = self.hex.data[self.hex.data.length - 1].address + self.hex.data[self.hex.data.length - 1].bytes - 0x8000000,
erase_pages_n = Math.ceil(max_address / self.page_size),
buff = [],
checksum = 0;
var pg_byte;
pg_byte = (erase_pages_n - 1) >> 8;
buff.push(pg_byte);
checksum ^= pg_byte;
pg_byte = (erase_pages_n - 1) & 0xFF;
buff.push(pg_byte);
checksum ^= pg_byte;
for (var i = 0; i < erase_pages_n; i++) {
pg_byte = i >> 8;
buff.push(pg_byte);
checksum ^= pg_byte;
pg_byte = i & 0xFF;
buff.push(pg_byte);
checksum ^= pg_byte;
} }
});
} buff.push(checksum);
}); console.log('Erasing. pages: 0x00 - 0x' + erase_pages_n.toString(16) + ', checksum: 0x' + checksum.toString(16));
self.send(buff, 1, function (reply) {
if (self.verify_response(self.status.ACK, reply)) {
console.log('Erasing: done');
// proceed to next step
self.upload_procedure(5);
}
});
}
});
}
break; break;
} }
@ -460,7 +512,7 @@ STM32_protocol.prototype.upload_procedure = function (step) {
} }
}); });
} else { } else {
var message = 'Executing local erase (only needed pages)'; var message = 'Executing local erase';
console.log(message); console.log(message);
$('span.progressLabel').text(message + ' ...'); $('span.progressLabel').text(message + ' ...');