101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
/**
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* @file io_pins.cpp
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* @brief his file is about general input/output utility methods, not much EFI-specifics
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*
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*
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* @date Jan 24, 2013
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* @author Andrey Belomutskiy, (c) 2012-2018
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*/
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#include <board.h>
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#include "main.h"
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#include "io_pins.h"
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#include "efiGpio.h"
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#include "pin_repository.h"
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#include "status_loop.h"
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#include "engine_configuration.h"
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#include "console_io.h"
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EXTERN_ENGINE;
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#if EFI_ENGINE_CONTROL || defined(__DOXYGEN__)
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#include "main_trigger_callback.h"
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#endif /* EFI_ENGINE_CONTROL */
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static LoggingWithStorage logger("io_pins");
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extern EnginePins enginePins;
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#if defined(STM32F4XX)
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static ioportid_t PORTS[] = { GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH };
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#else
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static ioportid_t PORTS[] = { GPIOA, GPIOB, GPIOC, GPIOD, GPIOF};
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#endif
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ioportid_t getHwPort(const char *msg, brain_pin_e brainPin) {
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if (brainPin == GPIO_UNASSIGNED)
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return GPIO_NULL;
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if (brainPin > GPIO_UNASSIGNED || brainPin < 0) {
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firmwareError(CUSTOM_ERR_INVALID_PIN, "%s: Invalid brain_pin_e: %d", msg, brainPin);
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return GPIO_NULL;
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}
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return PORTS[brainPin / PORT_SIZE];
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}
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ioportmask_t getHwPin(const char *msg, brain_pin_e brainPin) {
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if (brainPin == GPIO_UNASSIGNED)
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return EFI_ERROR_CODE;
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if (brainPin > GPIO_UNASSIGNED || brainPin < 0) {
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firmwareError(CUSTOM_ERR_INVALID_PIN, "%s: Invalid brain_pin_e: %d", msg, brainPin);
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return EFI_ERROR_CODE;
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}
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return brainPin % PORT_SIZE;
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}
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bool efiReadPin(brain_pin_e pin) {
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return palReadPad(getHwPort("readPin", pin), getHwPin("readPin", pin));
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}
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/**
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* This method would set an error condition if pin is already used
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*/
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void efiSetPadMode(const char *msg, brain_pin_e brainPin, iomode_t mode) {
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ioportid_t port = getHwPort(msg, brainPin);
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ioportmask_t pin = getHwPin(msg, brainPin);
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if (port == GPIO_NULL) {
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return;
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}
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scheduleMsg(&logger, "%s on %s%d", msg, portname(port), pin);
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bool wasUsed = markUsed(port, pin, msg);
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if (wasUsed) {
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return;
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}
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palSetPadMode(port, pin, mode);
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}
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iomode_t getInputMode(pin_input_mode_e mode) {
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switch (mode) {
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case PI_PULLUP:
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return PAL_MODE_INPUT_PULLUP;
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case PI_PULLDOWN:
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return PAL_MODE_INPUT_PULLDOWN;
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case PI_DEFAULT:
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default:
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return PAL_MODE_INPUT;
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}
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}
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#if HAL_USE_ICU || defined(__DOXYGEN__)
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void efiIcuStart(ICUDriver *icup, const ICUConfig *config) {
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efiAssertVoid((icup->state == ICU_STOP) || (icup->state == ICU_READY),
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"input already used?");
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icuStart(icup, config);
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}
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#endif /* HAL_USE_ICU */
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