252 lines
9.6 KiB
C
252 lines
9.6 KiB
C
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/* -*- mode: c; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4; coding: utf-8 -*- */
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/************************************************************************************
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** **
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** UHSDR **
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** a powerful firmware for STM32 based SDR transceivers **
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** **
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**---------------------------------------------------------------------------------**
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** **
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** Licence: GNU GPLv3 **
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************************************************************************************/
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#include <assert.h>
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#include "uhsdr_board_config.h"
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#include "uhsdr_keypad.h"
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#include "gpio.h"
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// Key map structure
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// represents a physical key which can be pressed (via GPIO)
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typedef struct
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{
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GPIO_TypeDef* keyPort;
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uint16_t keyPin;
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uint16_t button_id;
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const char* label;
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} Keypad_KeyPhys_t;
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// represents a logical button
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typedef struct
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{
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uint16_t button_id;
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const char* label;
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} UhsdrButtonLogical_t;
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typedef struct
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{
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const Keypad_KeyPhys_t* map;
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uint32_t num;
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} UhsdrHwKey_t;
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const Keypad_KeyPhys_t* bm_set_normal;
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#ifdef UI_BRD_MCHF
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const Keypad_KeyPhys_t* bm_set_rtc;
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#endif
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// -------------------------------------------------------
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// Constant declaration of the buttons map across ports
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// - update if moving buttons around !!!
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// the order in this array is not relevant for functional aspects
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const Keypad_KeyPhys_t bm_set_normal_arr[] =
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{
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{BUTTON_M2_PIO, BUTTON_M2, BUTTON_M2_PRESSED, "S3"},
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{BUTTON_G3_PIO, BUTTON_G3, BUTTON_G3_PRESSED, "S2"},
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{BUTTON_G2_PIO, BUTTON_G2, BUTTON_G2_PRESSED, "S1"},
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{BUTTON_BNDM_PIO, BUTTON_BNDM, BUTTON_BNDM_PRESSED, "S4"},
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{BUTTON_G4_PIO, BUTTON_G4, BUTTON_G4_PRESSED, "S5"},
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{BUTTON_M3_PIO, BUTTON_M3, BUTTON_M3_PRESSED, "S6"},
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{BUTTON_STEPM_PIO, BUTTON_STEPM, BUTTON_STEPM_PRESSED, "S7"},
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{BUTTON_STEPP_PIO, BUTTON_STEPP, BUTTON_STEPP_PRESSED, "S8"},
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{BUTTON_M1_PIO, BUTTON_M1, BUTTON_M1_PRESSED, "S9"},
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{BUTTON_F3_PIO, BUTTON_F3, BUTTON_F3_PRESSED, "S10"},
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{BUTTON_F1_PIO, BUTTON_F1, BUTTON_F1_PRESSED, "S11"},
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{BUTTON_F2_PIO, BUTTON_F2, BUTTON_F2_PRESSED, "S12"},
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{BUTTON_F4_PIO, BUTTON_F4, BUTTON_F4_PRESSED, "S13"},
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{BUTTON_BNDP_PIO, BUTTON_BNDP, BUTTON_BNDP_PRESSED, "S14"},
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{BUTTON_F5_PIO, BUTTON_F5, BUTTON_F5_PRESSED, "S15"},
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{BUTTON_G1_PIO, BUTTON_G1, BUTTON_G1_PRESSED, "S16"},
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{BUTTON_PWR_PIO, BUTTON_PWR, BUTTON_PWR_PRESSED, "S17"},
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{TP_IRQ_PIO, TP_IRQ, TOUCHSCREEN_ACTIVE, "TPIRQ"},
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#ifdef UI_BRD_OVI40
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{BUTTON_E1_PIO, BUTTON_E1, BUTTON_E1_PRESSED, "E1"},
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{BUTTON_E2_PIO, BUTTON_E2, BUTTON_E2_PRESSED, "E2"},
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{BUTTON_E3_PIO, BUTTON_E3, BUTTON_E3_PRESSED, "E3"},
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{BUTTON_E4_PIO, BUTTON_E4, BUTTON_E4_PRESSED, "E4"},
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{BUTTON_S18_PIO, BUTTON_S18, BUTTON_L1_PRESSED, "S18"},
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{BUTTON_S19_PIO, BUTTON_S19, BUTTON_F6_PRESSED, "S19"},
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#endif
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// this must be the last entry
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{NULL, 0, 0, NULL}
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};
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const Keypad_KeyPhys_t* bm_set_normal = &bm_set_normal_arr[0];
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#ifdef UI_BRD_MCHF
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const Keypad_KeyPhys_t bm_set_rtc_arr[] =
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{
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// alternative mapping for RTC Modification
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{BUTTON_M2_PIO, BUTTON_M2, BUTTON_M2_PRESSED, "S3"},
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{BUTTON_G3_PIO, BUTTON_G3, BUTTON_G3_PRESSED, "S2"},
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{BUTTON_G2_PIO, BUTTON_G2, BUTTON_G2_PRESSED, "S1"},
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{BUTTON_BNDM_PIO, BUTTON_BNDM, BUTTON_BNDM_PRESSED, "S4"},
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{BUTTON_G4_PIO, BUTTON_G4, BUTTON_G4_PRESSED, "S5"},
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{BUTTON_M3_PIO, BUTTON_M3, BUTTON_M3_PRESSED, "S6"},
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{BUTTON_STEPM_PIO, BUTTON_STEPM, BUTTON_STEPM_PRESSED, "S7"},
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{BUTTON_STEPP_PIO, BUTTON_STEPP, BUTTON_STEPP_PRESSED, "S8"},
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{BUTTON_M1_PIO_RTC, BUTTON_M1_RTC, BUTTON_M1_PRESSED, "S9"},
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{BUTTON_F3_PIO_RTC, BUTTON_F3_RTC, BUTTON_F3_PRESSED, "S10"},
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{BUTTON_F1_PIO, BUTTON_F1, BUTTON_F1_PRESSED, "S11"},
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{BUTTON_F2_PIO, BUTTON_F2, BUTTON_F2_PRESSED, "S12"},
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{BUTTON_F4_PIO, BUTTON_F4, BUTTON_F4_PRESSED, "S13"},
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{BUTTON_BNDP_PIO, BUTTON_BNDP, BUTTON_BNDP_PRESSED, "S14"},
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{BUTTON_F5_PIO, BUTTON_F5, BUTTON_F5_PRESSED, "S15"},
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{BUTTON_G1_PIO, BUTTON_G1, BUTTON_G1_PRESSED, "S16"},
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{BUTTON_PWR_PIO, BUTTON_PWR, BUTTON_PWR_PRESSED, "S17"},
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{TP_IRQ_PIO, TP_IRQ, TOUCHSCREEN_ACTIVE, "TPIRQ"},
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// this must be the last entry
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{NULL, 0, 0, NULL},
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};
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const Keypad_KeyPhys_t* bm_set_rtc = &bm_set_rtc_arr[0];
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#endif
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// all supported logical buttons
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// the order in this list must be identical to the order
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// in the enum
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const UhsdrButtonLogical_t buttons[BUTTON_NUM] =
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{
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{BUTTON_M2_PRESSED, "M2"}, // 0 / S3
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{BUTTON_G3_PRESSED, "G3"}, // 1 / S2
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{BUTTON_G2_PRESSED, "G2"}, // 2 / S1
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{BUTTON_BNDM_PRESSED, "Band-"}, // 3 / S4
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{BUTTON_G4_PRESSED, "G4"}, // 4 / S5
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{BUTTON_M3_PRESSED, "M3"}, // 5 / S6
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{BUTTON_STEPM_PRESSED, "Step-"}, // 6 / S7
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{BUTTON_STEPP_PRESSED, "Step+"}, // 7 / S8
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{BUTTON_M1_PRESSED, "M1"}, // 8 / S9
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{BUTTON_F3_PRESSED, "F3"}, // 9 / S10
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{BUTTON_F1_PRESSED, "F1"}, // 10 / S11
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{BUTTON_F2_PRESSED, "F2"}, // 11 / S12
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{BUTTON_F4_PRESSED, "F4"}, // 12 / S13
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{BUTTON_BNDP_PRESSED, "Band+"}, // 13 / S14
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{BUTTON_F5_PRESSED, "F5"}, // 14 / S15
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{BUTTON_G1_PRESSED, "G1"}, // 15 / S16
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{BUTTON_PWR_PRESSED, "Power"}, // 16 / S17 Power Button
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{TOUCHSCREEN_ACTIVE, "Touch"}, // 17 TP "Button"
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#ifdef UI_BRD_OVI40
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{BUTTON_E1_PRESSED, "E1" },
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{BUTTON_E2_PRESSED, "E2" },
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{BUTTON_E3_PRESSED, "E3" },
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{BUTTON_E4_PRESSED, "E4" },
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#ifndef SDR_AMBER
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{BUTTON_L1_PRESSED, "L1" },
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{BUTTON_F6_PRESSED, "F6" },
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#else // Too lazy to correct the topology of the Amber-UI board (there is an error in the OVI40-UI schematic diagram).
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{BUTTON_L1_PRESSED, "F6" },
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{BUTTON_F6_PRESSED, "PTT_Alt" },
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#endif
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#endif
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};
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// the initial button map is the default one
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UhsdrHwKey_t hwKeys = { .map = &bm_set_normal_arr[0], .num = 0 };
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// FIXME? Do we change state of these in IRQ? Maybe more save mark them as volatile?
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uint32_t buttonStates; // logical buttons
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uint32_t keyStates; // hw scan keys
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#ifdef UI_BRD_MCHF
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// this function invoked only on the UI_MCHF_BRD with RTC as they have different buttons layout
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inline void Keypad_SetLayoutRTC_MCHF()
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{
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hwKeys.map = &bm_set_rtc[0];
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}
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#endif
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bool Keypad_IsButtonPressed(uint32_t button_num)
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{
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return ((1 << button_num) & buttonStates) != 0;
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}
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bool Keypad_IsAnyButtonPressed()
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{
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return buttonStates != 0;
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}
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bool Keypad_IsKeyPressed(uint32_t key_num)
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{
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return ((1 << key_num) & keyStates) != 0;
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}
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bool Keypad_IsAnyKeyPressed()
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{
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return keyStates != 0;
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}
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uint32_t Keypad_KeyStates()
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{
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return keyStates;
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}
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uint32_t Keypad_ButtonStates()
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{
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return buttonStates;
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}
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/*
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* @brief keypad hardware initialization based on the given keyMap
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*
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*/
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void Keypad_KeypadInit()
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{
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UhsdrHwKey_t* keyMap = &hwKeys;
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GPIO_InitTypeDef GPIO_InitStructure;
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// Common init
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GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
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GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStructure.Pull = GPIO_PULLUP;
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// Init all hw gpio from public struct declaration
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for(keyMap->num = 0; keyMap->map[keyMap->num].keyPort != NULL; keyMap->num++)
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{
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GPIO_InitStructure.Pin = keyMap->map[keyMap->num].keyPin;
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HAL_GPIO_Init(keyMap->map[keyMap->num].keyPort, &GPIO_InitStructure);
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}
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}
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/*
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* @brief Keypad direct HW access reading returning if a key is pressed (or not)
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*/
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static bool Keypad_GetKeyGPIOState(const Keypad_KeyPhys_t* key)
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{
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return HAL_GPIO_ReadPin(key->keyPort, key->keyPin) == 0;
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}
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/*
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* We scan all known physical buttons and map them to the logical button states
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* has to be called before processing key presses.
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*/
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void Keypad_Scan()
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{
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for (uint32_t key_num = 0; key_num < hwKeys.num; key_num++)
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{
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if (Keypad_GetKeyGPIOState(&hwKeys.map[key_num]))
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{
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// in normal mode - return key value
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SET_BIT( buttonStates, ( 1 << hwKeys.map[key_num].button_id ));
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SET_BIT( keyStates, ( 1 << key_num ));
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}
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else
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{
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CLEAR_BIT( buttonStates, ( 1 << hwKeys.map[key_num].button_id ));
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CLEAR_BIT( keyStates, ( 1 << key_num ));
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}
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}
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}
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inline const char* Keypad_GetLabelOfButton( uint32_t id_button )
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{
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assert( id_button < sizeof( buttons ) / sizeof( UhsdrButtonLogical_t ));
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return buttons[ id_button ].label;
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}
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