| Line | Branch | Decision | Exec | Source |
|---|---|---|---|---|
| 1 | /** | |||
| 2 | * @file io_pins.cpp | |||
| 3 | * @brief his file is about general input/output utility methods, not much EFI-specifics | |||
| 4 | * | |||
| 5 | * | |||
| 6 | * @date Jan 24, 2013 | |||
| 7 | * @author Andrey Belomutskiy, (c) 2012-2020 | |||
| 8 | */ | |||
| 9 | ||||
| 10 | #include "pch.h" | |||
| 11 | ||||
| 12 | #if EFI_PROD_CODE | |||
| 13 | ||||
| 14 | #include "gpio/gpio_ext.h" | |||
| 15 | ||||
| 16 | #include "status_loop.h" | |||
| 17 | #include "console_io.h" | |||
| 18 | #endif /* EFI_PROD_CODE */ | |||
| 19 | ||||
| 20 | ✗ | void efiSetPadUnused(brain_pin_e brainPin) { | ||
| 21 | #if EFI_PROD_CODE | |||
| 22 | /* input with pull up, is it safe? */ | |||
| 23 | iomode_t mode = PAL_STM32_MODE_INPUT | PAL_STM32_PUPDR_PULLUP; | |||
| 24 | ||||
| 25 | if (brain_pin_is_onchip(brainPin)) { | |||
| 26 | ioportid_t port = getHwPort("unused", brainPin); | |||
| 27 | ioportmask_t pin = getHwPin("unused", brainPin); | |||
| 28 | ||||
| 29 | /* input with pull up, is it safe? | |||
| 30 | * todo: shall we reuse 'default state' constants with board.h? | |||
| 31 | * */ | |||
| 32 | palSetPadMode(port, pin, mode); | |||
| 33 | palWritePad(port, pin, 0); | |||
| 34 | } | |||
| 35 | #if (BOARD_EXT_GPIOCHIPS > 0) | |||
| 36 | else { | |||
| 37 | gpiochips_setPadMode(brainPin, mode); | |||
| 38 | } | |||
| 39 | #endif | |||
| 40 | #endif /* EFI_PROD_CODE */ | |||
| 41 | ||||
| 42 | ✗ | brain_pin_markUnused(brainPin); | ||
| 43 | ✗ | } | ||
| 44 | ||||
| 45 | /** | |||
| 46 | * This method would set an error condition if pin is already used | |||
| 47 | */ | |||
| 48 | ✗ | void efiSetPadMode(const char *msg, brain_pin_e brainPin, iomode_t mode) { | ||
| 49 | ✗ | if (!isBrainPinValid(brainPin)) { | ||
| 50 | // No pin configured, nothing to do here. | |||
| 51 | ✗ | return; | ||
| 52 | } | |||
| 53 | ||||
| 54 | ✗ | bool wasUsed = brain_pin_markUsed(brainPin, msg); | ||
| 55 | ||||
| 56 | ✗ | if (!wasUsed) { | ||
| 57 | ✗ | efiSetPadModeWithoutOwnershipAcquisition(msg, brainPin, mode); | ||
| 58 | } | |||
| 59 | } | |||
| 60 | ||||
| 61 | ✗ | void efiSetPadModeWithoutOwnershipAcquisition(const char *msg, brain_pin_e brainPin, iomode_t mode) { | ||
| 62 | #if EFI_PROD_CODE | |||
| 63 | /*check if on-chip pin or external */ | |||
| 64 | if (brain_pin_is_onchip(brainPin)) { | |||
| 65 | /* on-chip */ | |||
| 66 | ioportid_t port = getHwPort(msg, brainPin); | |||
| 67 | ioportmask_t pin = getHwPin(msg, brainPin); | |||
| 68 | /* paranoid */ | |||
| 69 | if (!port) | |||
| 70 | return; | |||
| 71 | ||||
| 72 | palSetPadMode(port, pin, mode); | |||
| 73 | } | |||
| 74 | #if (BOARD_EXT_GPIOCHIPS > 0) | |||
| 75 | else { | |||
| 76 | gpiochips_setPadMode(brainPin, mode); | |||
| 77 | } | |||
| 78 | #endif | |||
| 79 | ||||
| 80 | #endif /* EFI_PROD_CODE */ | |||
| 81 | ✗ | } | ||
| 82 | ||||
| 83 | #if EFI_PROD_CODE | |||
| 84 | ||||
| 85 | #if EFI_ENGINE_CONTROL | |||
| 86 | #include "main_trigger_callback.h" | |||
| 87 | #endif /* EFI_ENGINE_CONTROL */ | |||
| 88 | ||||
| 89 | bool efiReadPin(brain_pin_e pin) { | |||
| 90 | if (!isBrainPinValid(pin)) | |||
| 91 | return false; | |||
| 92 | if (brain_pin_is_onchip(pin)) | |||
| 93 | return palReadPad(getHwPort("readPin", pin), getHwPin("readPin", pin)); | |||
| 94 | #if (BOARD_EXT_GPIOCHIPS > 0) | |||
| 95 | else if (brain_pin_is_ext(pin)) | |||
| 96 | return (gpiochips_readPad(pin) > 0); | |||
| 97 | #endif | |||
| 98 | ||||
| 99 | /* incorrect pin */ | |||
| 100 | return false; | |||
| 101 | } | |||
| 102 | ||||
| 103 | iomode_t getInputMode(pin_input_mode_e mode) { | |||
| 104 | switch (mode) { | |||
| 105 | case PI_PULLUP: | |||
| 106 | case PI_INVERTED_PULLUP: | |||
| 107 | return PAL_MODE_INPUT_PULLUP; | |||
| 108 | case PI_PULLDOWN: | |||
| 109 | case PI_INVERTED_PULLDOWN: | |||
| 110 | return PAL_MODE_INPUT_PULLDOWN; | |||
| 111 | case PI_DEFAULT: | |||
| 112 | case PI_INVERTED_DEFAULT: | |||
| 113 | default: | |||
| 114 | return PAL_MODE_INPUT; | |||
| 115 | } | |||
| 116 | } | |||
| 117 | ||||
| 118 | void writePad(const char *msg, brain_pin_e pin, int bit) { | |||
| 119 | palWritePad(getHwPort(msg, pin), getHwPin(msg, pin), bit); | |||
| 120 | } | |||
| 121 | ||||
| 122 | #else /* EFI_PROD_CODE */ | |||
| 123 | ||||
| 124 | // This has been made global so we don't need to worry about efiReadPin having access the object | |||
| 125 | // we store it in, every time we need to use efiReadPin. | |||
| 126 | bool mockPinStates[BRAIN_PIN_COUNT]; | |||
| 127 | ||||
| 128 |
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631 | bool efiReadPin(brain_pin_e pin) { | |
| 129 | 631 | return mockPinStates[static_cast<int>(pin)]; | ||
| 130 | } | |||
| 131 | ||||
| 132 | 773 | void setMockState(brain_pin_e pin, bool state) { | ||
| 133 | 773 | mockPinStates[static_cast<int>(pin)] = state; | ||
| 134 | 773 | } | ||
| 135 | ||||
| 136 | #endif /* EFI_PROD_CODE */ | |||
| 137 | ||||
| 138 | 508 | bool efiIsInputPinInverted(pin_input_mode_e mode) { | ||
| 139 |
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493 | return ((mode == PI_INVERTED_DEFAULT) || | |
| 140 |
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1001 | (mode == PI_INVERTED_PULLUP) || | |
| 141 | 508 | (mode == PI_INVERTED_PULLDOWN)); | ||
| 142 | } | |||
| 143 | ||||
| 144 | 508 | bool efiReadPin(brain_pin_e pin, pin_input_mode_e mode) { | ||
| 145 | 508 | return efiReadPin(pin) ^ efiIsInputPinInverted(mode); | ||
| 146 | } | |||
| 147 |