mirror of https://github.com/rusefi/rusefi-1.git
93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
/**
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* @file trigger_input_exti.cpp
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* @brief Position sensor hardware layer - PAL version
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*
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* todo: VVT implementation is a nasty copy-paste :(
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*
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* see digital_input_icu.cp
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*
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* @date Dec 30, 2012
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* @author Andrey Belomutskiy, (c) 2012-2021
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*/
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#include "pch.h"
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#if EFI_SHAFT_POSITION_INPUT && (HAL_TRIGGER_USE_PAL == TRUE)
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#include "trigger_input.h"
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#include "digital_input_exti.h"
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#if (PAL_USE_CALLBACKS == FALSE)
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#error "PAL_USE_CALLBACKS should be enabled to use HAL_TRIGGER_USE_PAL"
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#endif
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static ioline_t shaftLines[TRIGGER_SUPPORTED_CHANNELS];
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static ioline_t camLines[CAM_INPUTS_COUNT];
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static void shaft_callback(void *arg, efitick_t stamp) {
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// do the time sensitive things as early as possible!
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TRIGGER_BAIL_IF_DISABLED
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//#if HW_CHECK_MODE
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// TRIGGER_BAIL_IF_SELF_STIM
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//#endif
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int index = (int)arg;
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ioline_t pal_line = shaftLines[index];
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bool rise = (palReadLine(pal_line) == PAL_HIGH);
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// todo: support for 3rd trigger input channel
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// todo: start using real event time from HW event, not just software timer?
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hwHandleShaftSignal(index, rise, stamp);
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}
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static void cam_callback(void *arg, efitick_t stamp) {
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TRIGGER_BAIL_IF_DISABLED
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//#if HW_CHECK_MODE
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// TRIGGER_BAIL_IF_SELF_STIM
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//#endif
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int index = (int)arg;
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ioline_t pal_line = camLines[index];
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bool rise = (palReadLine(pal_line) == PAL_HIGH);
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if (rise ^ engineConfiguration->invertCamVVTSignal) {
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hwHandleVvtCamSignal(TV_RISE, stamp, index);
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} else {
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hwHandleVvtCamSignal(TV_FALL, stamp, index);
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}
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}
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/*==========================================================================*/
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/* Exported functions. */
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/*==========================================================================*/
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int extiTriggerTurnOnInputPin(const char *msg, int index, bool isTriggerShaft) {
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brain_pin_e brainPin = isTriggerShaft ? engineConfiguration->triggerInputPins[index] : engineConfiguration->camInputs[index];
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efiPrintf("extiTriggerTurnOnInputPin %s %s", msg, hwPortname(brainPin));
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/* TODO:
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* * do not set to both edges if we need only one
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* * simplify callback in case of one edge */
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ioline_t pal_line = PAL_LINE(getHwPort("trg", brainPin), getHwPin("trg", brainPin));
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if (isTriggerShaft) {
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shaftLines[index] = pal_line;
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} else {
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camLines[index] = pal_line;
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}
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efiExtiEnablePin(msg, brainPin, PAL_EVENT_MODE_BOTH_EDGES, isTriggerShaft ? shaft_callback : cam_callback, (void *)index);
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return 0;
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}
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void extiTriggerTurnOffInputPin(brain_pin_e brainPin) {
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efiExtiDisablePin(brainPin);
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}
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void extiTriggerTurnOnInputPins() {
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}
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#endif /* (EFI_SHAFT_POSITION_INPUT && (HAL_TRIGGER_USE_PAL == TRUE)) */
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