kline.h File Reference

Typedefs
typedef size_t(*	ByteSource) (uint8_t *, int)

Functions
void	initKLine ()
void	startKLine ()
void	stopKLine ()
size_t	readWhileGives (ByteSource source, uint8_t *buffer, size_t bufferSize)

Typedef Documentation

ByteSource

typedef size_t(* ByteSource) (uint8_t *, int)

Definition at line 23 of file kline.h.

Function Documentation

initKLine()

void initKLine

(

)

Definition at line 198 of file kline.cpp.

                 {
    if (!engineConfiguration->enableKline) {
        return;
    }
#ifdef EFI_KLINE
    startKLine();
 
    memset(kvalues, 0, sizeof(kvalues));
    kvalues[0] = 0x2;
 
    chThdCreateStatic(klThreadStack, sizeof(klThreadStack), NORMALPRIO + 1, kLineThread, nullptr);
    addConsoleAction("kline", [](){
        efiPrintf("kline totalBytes %d", totalBytes);
    });
    addConsoleAction("klineyes", [](){
        engineConfiguration->kLineDoHondaSend = true;
        efiPrintf("kline send %d", engineConfiguration->kLineDoHondaSend);
    });
    addConsoleAction("klineno", [](){
        engineConfiguration->kLineDoHondaSend = false;
        efiPrintf("kline send %d", engineConfiguration->kLineDoHondaSend);
    });
    addConsoleActionII("temp_k", [](int index, int value) {
        kvalues[index] = value;
    });
 
#endif // EFI_KLINE
}

Referenced by initHardware().

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readWhileGives()

size_t readWhileGives	(	ByteSource	source,
		uint8_t *	buffer,
		size_t	bufferSize
	)

this file is mostly about SEFMJ early 2000s specific honda K-line protocol https://rusefi.com/forum/viewtopic.php?f=4&t=2514

Definition at line 11 of file kline.cpp.

                                                                             {
        size_t totalBytes = 0;
        while (totalBytes < bufferSize) {
           size_t readThisTime = source(&buffer[totalBytes], bufferSize - totalBytes);
           if (readThisTime == 0) {
                // looks like idle gap
                break;
           }
           totalBytes += readThisTime;
        }
    return totalBytes;
}

Referenced by kLineThread().

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startKLine()

void startKLine

(

)

Definition at line 157 of file kline.cpp.

                  {
#ifdef EFI_KLINE
    if (!engineConfiguration->enableKline) {
        return;
    }
#if EFI_PROD_CODE
    efiSetPadMode("K-Line UART RX", Gpio::KLINE_SERIAL_DEVICE_RX, PAL_MODE_ALTERNATE(TS_SERIAL_AF));
    efiSetPadMode("K-Line UART TX", Gpio::KLINE_SERIAL_DEVICE_TX, PAL_MODE_ALTERNATE(TS_SERIAL_AF));
#endif /* EFI_PROD_CODE */
 
    static SerialConfig cfg = {
        #if EFI_PROD_CODE
            .speed = 0,
            .cr1 = 0,
            .cr2 = USART_CR2_STOP1_BITS | USART_CR2_LINEN,
            .cr3 = 0
        #endif // EFI_PROD_CODE
    };
 
    if (engineConfiguration->kLineBaudRate < 100)
        engineConfiguration->kLineBaudRate = KLINE_BAUD_RATE;
    cfg.speed = engineConfiguration->kLineBaudRate;
 
    sdStart(klDriver, &cfg);
#endif // EFI_KLINE
}

Referenced by applyNewHardwareSettings(), and initKLine().

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stopKLine()

void stopKLine

(

)

Definition at line 184 of file kline.cpp.

                 {
#ifdef EFI_KLINE
#if EFI_PROD_CODE
    if (activeConfiguration.enableKline) {
        efiSetPadUnused(Gpio::KLINE_SERIAL_DEVICE_RX);
        efiSetPadUnused(Gpio::KLINE_SERIAL_DEVICE_TX);
 
        sdStop(klDriver);
    }
 
#endif /* EFI_PROD_CODE */
#endif // EFI_KLINE
}

Referenced by applyNewHardwareSettings().

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Go to the source code of this file.