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Support configurable Blackbox baud rates, allows >750Hz logging

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This commit is contained in:
Nicholas Sherlock 2015-03-06 20:08:05 +13:00
parent cbaa67f1d0
commit 99fe3465b2
1 changed files with 19 additions and 5 deletions
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24
src/main/blackbox/blackbox_io.c
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@ -62,9 +62,6 @@
#ifdef BLACKBOX #ifdef BLACKBOX
#define BLACKBOX_BAUDRATE 115200
#define BLACKBOX_INITIAL_PORT_MODE MODE_TX
// How many bytes should we transmit per loop iteration? // How many bytes should we transmit per loop iteration?
uint8_t blackboxWriteChunkSize = 16; uint8_t blackboxWriteChunkSize = 16;
@ -447,12 +444,29 @@ bool blackboxDeviceOpen(void)
case BLACKBOX_DEVICE_SERIAL: case BLACKBOX_DEVICE_SERIAL:
{ {
serialPortConfig_t *portConfig = findSerialPortConfig(FUNCTION_BLACKBOX); serialPortConfig_t *portConfig = findSerialPortConfig(FUNCTION_BLACKBOX);
baudRate_e baudRateIndex;
portMode_t portMode;
if (!portConfig) { if (!portConfig) {
return false; return false;
} }
blackboxPortSharing = determinePortSharing(portConfig, FUNCTION_BLACKBOX);
blackboxPort = openSerialPort(portConfig->identifier, FUNCTION_BLACKBOX, NULL, BLACKBOX_BAUDRATE, BLACKBOX_INITIAL_PORT_MODE, SERIAL_NOT_INVERTED); blackboxPortSharing = determinePortSharing(portConfig, FUNCTION_BLACKBOX);
baudRateIndex = portConfig->blackbox_baudrateIndex;
portMode = MODE_TX;
if (baudRates[baudRateIndex] > 115200) {
/*
* OpenLog can't keep up faster baud rates without giving it a larger inter-character gap to
* work with.
*/
portMode |= MODE_STOPBITS2;
}
blackboxPort = openSerialPort(portConfig->identifier, FUNCTION_BLACKBOX, NULL, baudRates[baudRateIndex],
portMode, SERIAL_NOT_INVERTED);
return blackboxPort != NULL; return blackboxPort != NULL;
} }
break; break;