mirror of https://github.com/rusefi/rusefi-1.git
92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/**
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* @file serial_hw.cpp
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* @brief SERIAL bus low level code
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*
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* @date Apr 17, 2020
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* @author Konstantin Smola, (c) 2020
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*/
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#include "pch.h"
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#if EFI_AUX_SERIAL
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#include "serial.h"
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#include "serial_hw.h"
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#include "string.h"
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#include "mpu_util.h"
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static bool isSerialEnabled = false;
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static bool isSerialTXEnabled = false;
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static bool isSerialRXEnabled = false;
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static SerialConfig uartCfg;
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static SerialRead serialRead;
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static void auxInfo() {
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if (!isSerialEnabled) {
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efiPrintf("AUX Serial is not enabled, please enable & restart");
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return;
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}
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efiPrintf("AUX Serial TX %s", hwPortname(engineConfiguration->auxSerialTxPin));
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efiPrintf("AUX Serial RX %s", hwPortname(engineConfiguration->auxSerialRxPin));
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}
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void enableAuxSerial() {
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engineConfiguration->auxSerialTxPin = engineConfiguration->auxSerialTxPin;
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engineConfiguration->auxSerialRxPin = engineConfiguration->auxSerialRxPin;
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engineConfiguration->auxSerialSpeed = engineConfiguration->auxSerialSpeed;
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uartCfg.speed = engineConfiguration->auxSerialSpeed;
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sdStart(AUX_SERIAL_DEVICE, &uartCfg);
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efiPrintf("AUX Serial started");
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}
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void stopAuxSerialPins() {
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efiSetPadUnused(activeConfiguration.auxSerialTxPin);
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efiSetPadUnused(activeConfiguration.auxSerialRxPin);
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}
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void startAuxSerialPins() {
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if (engineConfiguration->auxSerialTxPin)
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efiSetPadMode("AuxSerial TX", engineConfiguration->auxSerialTxPin, PAL_MODE_ALTERNATE(8));
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if (engineConfiguration->auxSerialRxPin)
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efiSetPadMode("AuxSerial RX", engineConfiguration->auxSerialRxPin, PAL_MODE_ALTERNATE(8));
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enableAuxSerial();
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}
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void initAuxSerial(void) {
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addConsoleAction("auxinfo", auxInfo);
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isSerialEnabled =
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(engineConfiguration->auxSerialTxPin) || // we need at least one pin set
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(engineConfiguration->auxSerialRxPin);
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isSerialRXEnabled = engineConfiguration->auxSerialRxPin;
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isSerialTXEnabled = engineConfiguration->auxSerialTxPin;
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// exit if no pin is configured
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if (!isSerialEnabled)
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return;
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// Validate pins
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if (isSerialTXEnabled && !isValidSerialTxPin(engineConfiguration->auxSerialTxPin)) {
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firmwareError(OBD_PCM_Processor_Fault, "unexpected aux TX pin");
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return;
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}
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if (isSerialRXEnabled && !isValidSerialRxPin(engineConfiguration->auxSerialRxPin)) {
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firmwareError(OBD_PCM_Processor_Fault, "unexpected aux RX pin");
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return;
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}
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startAuxSerialPins();
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if (isSerialRXEnabled)
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serialRead.Start();
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}
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#endif // EFI_AUX_SERIAL
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