mirror of https://github.com/rusefi/wideband.git
79 lines
1.5 KiB
C++
79 lines
1.5 KiB
C++
#pragma once
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#include "hal.h"
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#include "wideband_config.h"
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#include "thread_controller.h"
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typedef enum {
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UNKNOWN_TYPE = 0,
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MAX31855_TYPE = 1,
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MAX31856_TYPE = 2,
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} Max3185xType;
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typedef enum {
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MAX3185X_OK = 0,
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MAX3185X_OPEN_CIRCUIT = 1,
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MAX3185X_SHORT_TO_GND = 2,
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MAX3185X_SHORT_TO_VCC = 3,
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MAX3185X_NO_REPLY = 4,
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} Max3185xState;
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/* livedata: +96/112 offset, size = 16 */
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struct livedata_egt_s {
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union {
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struct {
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float temperature;
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float coldJunctionTemperature;
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uint8_t state;
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} __attribute__((packed));
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uint8_t pad[16];
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};
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};
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// for all board. in case of no EGT - returns NULL
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const struct livedata_egt_s * getEgtLiveDataStructAddr(const int ch);
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#if (EGT_CHANNELS > 0)
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#define MAX3185X_THREAD_STACK (512)
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#define MAX3185X_THREAD_PRIO (NORMALPRIO + 1)
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class Max3185x {
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public:
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Max3185x(SPIConfig *spi) {
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this->spi = spi;
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}
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livedata_egt_s livedata;
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/* do we need float temperatures? */
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float coldJunctionTemperature;
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float temperature;
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Max3185xType type;
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int readPacket();
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private:
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SPIConfig *spi;
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int detect();
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int readPacket31855();
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int readPacket31856();
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int spi_rx32(uint32_t *data);
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int spi_txrx(uint8_t tx[], uint8_t rx[], size_t n);
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};
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class Max3185xThread : public ThreadController<MAX3185X_THREAD_STACK> {
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public:
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Max3185xThread(Max3185x max3185x[EGT_CHANNELS])
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: ThreadController("egt", MAX3185X_THREAD_PRIO)
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{
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this->max3185x = max3185x;
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}
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void ThreadTask() override;
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private:
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Max3185x *max3185x;
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};
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void StartEgt();
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Max3185x* getEgtDrivers();
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#endif // (EGT_CHANNELS > 0)
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