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Use switch statement for DFU OTA message sequence instead of if else.

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This commit is contained in:
Michael Dietz
2016-02-18 13:25:09 +01:00
parent dfb7adedce
commit b871bbae08
1 changed files with 85 additions and 76 deletions
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33
dist/dfu.js vendored
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@@ -322,9 +322,14 @@
return reject(err);
}
if (req_opcode === OPCODE.START_DFU && majorVersion > 6) {
switch(req_opcode) {
case OPCODE.START_DFU:
log('write init packet');
if(majorVersion >= 6) { // init packet is not used in SDK v6 (so not used in mbed).
break;
}
controlChar.writeValue(new Uint8Array([2,0]))
.then(() => {
return packetChar.writeValue(generateInitPacket());
@@ -337,9 +342,9 @@
log(error);
reject(error);
});
} else if (req_opcode === OPCODE.START_DFU || req_opcode === OPCODE.INITIALIZE_DFU_PARAMETERS) {
log('complete, send packet count');
break;
case OPCODE.INITIALIZE_DFU_PARAMETERS:
log('send packet count');
var buffer = new ArrayBuffer(3);
view = new DataView(buffer);
@@ -360,9 +365,9 @@
log(error);
reject(error);
});
} else if (req_opcode === OPCODE.RECEIVE_FIRMWARE_IMAGE) {
log('complete, check length');
break;
case OPCODE.RECEIVE_FIRMWARE_IMAGE:
log('check length');
controlChar.writeValue(new Uint8Array([7]))
.catch(error => {
@@ -370,11 +375,11 @@
log(error);
reject(error);
});
} else if (req_opcode === OPCODE.REPORT_RECEIVED_IMAGE_SIZE) {
break;
case OPCODE.REPORT_RECEIVED_IMAGE_SIZE:
var byteCount = view.getUint32(3, LITTLE_ENDIAN);
log('length: ' + byteCount);
log('complete, validate...');
log('validate...');
controlChar.writeValue(new Uint8Array([4]))
.catch(error => {
@@ -382,8 +387,8 @@
log(error);
reject(error);
});
} else if (req_opcode === OPCODE.VALIDATE_FIRMWARE) {
break;
case OPCODE.VALIDATE_FIRMWARE:
log('complete, reset...');
/*
// Disconnect event currently not implemented
@@ -401,6 +406,10 @@
log(error);
reject(error);
});
break;
default:
log('unexpected req opCode - ERROR');
break;
}
} else if (opCode === OPCODE.PACKET_RECEIPT_NOTIFICATION) {