mirror of https://github.com/rusefi/rusefi-1.git
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
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/*
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* digital_input_exti.cpp
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*
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* Created on: Dec 18, 2018
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* @author Andrey Belomutskiy, (c) 2012-2018
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*/
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#include "digital_input_exti.h"
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#include "efiGpio.h"
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#if HAL_USE_EXT || defined(__DOXYGEN__)
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/**
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* EXTI is a funny thing: you can only use same pin on one port. For example, you can use
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* PA0 PB5 PE2 PD7
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* but you cannot use
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* PA0 PB0 PE2 PD7
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* because pin '0' would be used on two different ports
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*/
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static EXTConfig extcfg = { {
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/* CH#00 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#01 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#02 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#03 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#04 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#05 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#06 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#07 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#08 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#09 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#10 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#11 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#12 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#13 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#14 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#15 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#16 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#17 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#18 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#19 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#20 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#21 */{ EXT_CH_MODE_DISABLED, NULL },
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/* CH#22 */{ EXT_CH_MODE_DISABLED, NULL } } };
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static uint32_t getExtMode(ioportid_t port) {
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if (port == GPIOA) {
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return EXT_MODE_GPIOA;
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} else if (port == GPIOB) {
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return EXT_MODE_GPIOB;
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} else if (port == GPIOC) {
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return EXT_MODE_GPIOC;
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} else if (port == GPIOD) {
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return EXT_MODE_GPIOD;
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} else if (port == GPIOE) {
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return EXT_MODE_GPIOE;
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} else if (port == GPIOF) {
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return EXT_MODE_GPIOF;
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}
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firmwareError(CUSTOM_ERR_EXT_MODE, "Unsupported %d", port);
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return 0;
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}
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// EXT is not able to give you the front direction but you could read the pin in the callback.
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void enableExti(brain_pin_e pin, uint32_t mode, extcallback_t cb) {
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if (pin == GPIO_UNASSIGNED)
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return;
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int index = getHwPin("joy", pin);
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ioportid_t port = getHwPort("joy", pin);
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extcfg.channels[index].mode = mode | EXT_CH_MODE_AUTOSTART | getExtMode(port);
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extcfg.channels[index].cb = cb;
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}
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void myExtStart(void) {
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extStart(&EXTD1, &extcfg);
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}
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#endif /* HAL_USE_EXT */
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