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Tx buffer availability hack to handle slow devices

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This commit is contained in:
jflyper 2016-11-02 00:30:54 +09:00
parent b42de4f2a4
commit 042096fbb7
7 changed files with 70 additions and 33 deletions
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25
src/main/msp/msp_serial.c
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@ -246,3 +246,28 @@ void mspSerialPushInit(mspPushCommandFnPtr mspPushCommandFnToUse)
{
mspPushCommandFn = mspPushCommandFnToUse;
}
uint16_t mspSerialPushTxRoom()
{
uint16_t minroom = 50000;
for (uint8_t portIndex = 0; portIndex < MAX_MSP_PORT_COUNT; portIndex++) {
mspPort_t * const mspPort = &mspPorts[portIndex];
if (!mspPort->port) {
continue;
}
// XXX Kludge!!! Avoid zombie VCP port (avoid VCP entirely for now)
if (mspPort->port->identifier == SERIAL_PORT_USB_VCP) {
continue;
}
uint32_t room = mspPort->port->vTable->serialTotalTxFree(mspPort->port);
if (room < minroom) {
minroom = room;
}
}
return minroom;
}