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implementing first 2 upload procedure methods

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cTn 2014-06-08 21:15:12 +02:00
parent 92f9b40fc0
commit 12364ec087
1 changed files with 72 additions and 9 deletions
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81
js/stm32dfu.js
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@ -76,21 +76,39 @@ STM32DFU_protocol.prototype.openDevice = function(device) {
chrome.usb.openDevice(device, function(handle) { chrome.usb.openDevice(device, function(handle) {
self.handle = handle; self.handle = handle;
console.log('Handle ID: ' + handle.handle); console.log('Device opened with Handle ID: ' + handle.handle);
self.claimInterface(0); self.claimInterface(0);
}); });
}; };
STM32DFU_protocol.prototype.closeDevice = function(callback) { STM32DFU_protocol.prototype.closeDevice = function() {
}; var self = this;
STM32DFU_protocol.prototype.claimInterface = function(interfaceNumber) { chrome.usb.closeDevice(this.handle, function closed() {
chrome.usb.claimInterface(this.handle, interfaceNumber, function claimed() { console.log('Device closed with Handle ID: ' + self.handle.handle);
console.log('Claimed interface: ' + interfaceNumber);
self.handle = null;
}); });
}; };
STM32DFU_protocol.prototype.releaseInterface = function(callback) { STM32DFU_protocol.prototype.claimInterface = function(interfaceNumber) {
var self = this;
chrome.usb.claimInterface(this.handle, interfaceNumber, function claimed() {
console.log('Claimed interface: ' + interfaceNumber);
self.upload_procedure(1);
});
};
STM32DFU_protocol.prototype.releaseInterface = function(interfaceNumber) {
var self = this;
chrome.usb.releaseInterface(this.handle, interfaceNumber, function released() {
console.log('Released interface: ' + interfaceNumber);
self.closeDevice();
});
}; };
STM32DFU_protocol.prototype.resetDevice = function(callback) { STM32DFU_protocol.prototype.resetDevice = function(callback) {
@ -112,7 +130,12 @@ STM32DFU_protocol.prototype.controlTransfer = function(direction, request, value
'value': value, 'value': value,
'index': interface, 'index': interface,
'length': length 'length': length
}, callback); }, function(result) {
if (result.resultCode) console.log(result.resultCode);
var buf = new Uint8Array(result.data);
callback(buf);
});
} else { } else {
// length is ignored // length is ignored
if (data) { if (data) {
@ -131,7 +154,47 @@ STM32DFU_protocol.prototype.controlTransfer = function(direction, request, value
'value': value, 'value': value,
'index': interface, 'index': interface,
'data': arrayBuf 'data': arrayBuf
}, callback); }, function(result) {
if (result.resultCode) console.log(result.resultCode);
callback(result);
});
}
};
STM32DFU_protocol.prototype.upload_procedure = function(step) {
var self = this;
switch (step) {
case 1:
self.controlTransfer('in', self.request.GETSTATUS, 0, 0, 6, 0, function(data) {
if (data[4] == self.state.dfuERROR) { // this is completely normal
self.upload_procedure(2);
} else if (data[4] == self.state.dfuIDLE) {
self.upload_procedure(3);
} else {
// throw some error
}
});
break;
case 2:
self.controlTransfer('out', self.request.CLRSTATUS, 0, 0, 0, 0, function() {
self.controlTransfer('in', self.request.GETSTATUS, 0, 0, 6, 0, function(data) {
if (data[4] == self.state.dfuIDLE) {
self.upload_procedure(3);
} else {
// throw some error
}
});
});
break;
case 3:
self.upload_procedure(99);
break;
case 99:
// cleanup
self.releaseInterface(0);
break;
} }
}; };