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Be aware of async nature of the procedure

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jflyper 2018-12-06 21:30:11 +09:00
parent 99ab8a945c
commit 2c62a0dc9d
1 changed files with 7 additions and 8 deletions
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15
src/js/protocols/stm32usbdfu.js
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@ -64,6 +64,7 @@ var STM32DFU_protocol = function () {
this.chipInfo = null; // information about chip's memory this.chipInfo = null; // information about chip's memory
this.flash_layout = { 'start_address': 0, 'total_size': 0, 'sectors': []}; this.flash_layout = { 'start_address': 0, 'total_size': 0, 'sectors': []};
this.transferSize = 2048; // Default USB DFU transfer size for F3,F4 and F7
}; };
STM32DFU_protocol.prototype.connect = function (device, hex, options, callback) { STM32DFU_protocol.prototype.connect = function (device, hex, options, callback) {
@ -558,18 +559,16 @@ STM32DFU_protocol.prototype.upload_procedure = function (step) {
(self.available_flash_size / 1024.0).toFixed(1)])); (self.available_flash_size / 1024.0).toFixed(1)]));
self.upload_procedure(99); self.upload_procedure(99);
} else { } else {
self.clearStatus(function () { self.getFunctionalDescriptor(0, function (descriptor, resultCode) {
self.upload_procedure(1); self.transferSize = resultCode ? 2048 : descriptor.wTransferSize;
console.log('Using transfer size: ' + self.transferSize);
self.clearStatus(function () {
self.upload_procedure(1);
});
}); });
} }
} }
}); });
self.getFunctionalDescriptor(0, function (descriptor, resultCode) {
self.transferSize = resultCode ? 2048 : descriptor.wTransferSize;
console.log('Using transfer size: ' + self.transferSize);
});
break; break;
case 1: case 1:
if (typeof self.chipInfo.option_bytes === "undefined") { if (typeof self.chipInfo.option_bytes === "undefined") {