[FL-1756, FL-1769, FL-1776, FL-1759] Gui: input events complementary V3, refactoring. SubGhz: read/emulate fixes. Cleanup. (#684)
* Gui: move rotation logic to ViewPort, replace delayed View switch in ViewDispatcher with event filtering and redirection to previous view. * SubGhz: add function description * Gui, Input: add event id to input events. * SubGhz: fix "crashing on ?" * SubGhz: add icon scanning * SubGhz: updated interface read scene, updated interface config scene * Assets: update subghz assets * SubGhz: replaced the picture in the read scene, changed the paths to additional files * SubGhz: fix deadlock in timer callback * SubGhz: fix icon read scene * SubGhz: fix icon read scene * SubGhz: fix duble text transmitter scene * SubGhz: correct spelling. Gui: bigger queue for ViewDispatcher. * SubGhz: fix creation and transmission of dynamic code without the presence of a manufactory key * SubGhz: fix keelog, setting a name in the absence of a manufactory key * SubGhz: fix load bad keelog key * Format sources * Furi: remove garbage from core. GpioTester: fix memory leak and cleanup * Accessor: remove obsolete notification code * MusicPlayer: remove input event injection * Input: rename id to sequence Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
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Skorpionm
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#include <furi.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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struct used for handling SPI info.
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*/
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typedef struct {
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SPI_HandleTypeDef* spi;
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PubSubCallback cb;
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void* ctx;
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} SpiHandle;
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/*
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For transmit/receive data use `spi_xfer` function.
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* `tx_data` and `rx_data` size must be equal (and equal `len`)
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* `cb` called after spi operation is completed, `(NULL, ctx)` passed to callback.
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*/
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bool spi_xfer(
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SPI_HandleTypeDef* spi,
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uint8_t* tx_data,
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uint8_t* rx_data,
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size_t len,
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PubSubCallback cb,
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void* ctx);
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/*
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Blocking verison:
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*/
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static inline bool
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spi_xfer_block(SPI_HandleTypeDef* spi, uint8_t* tx_data, uint8_t* rx_data, size_t len) {
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semaphoreInfo s;
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osSemaphore block = createSemaphoreStatic(s);
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if(!spi_xfer(spi, tx_data, rx_data, len, RELEASE_SEMAPHORE, (void*)block)) {
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osReleaseSemaphore(block);
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return false;
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}
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osWaitSemaphore(block);
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return false;
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}
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/*
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Common implementation of SPI bus: serial interface + CS pin
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*/
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typedef struct {
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GpioPin* cs; ///< CS pin
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ValueMutex* spi; ///< <SpiHandle*>
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} SpiBus;
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/*
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For dedicated work with one device there is `SpiDevice` entity.
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It contains ValueMutex around SpiBus: after you acquire device
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you can acquire spi to work with it (don't forget SPI bus is shared
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around many device, release it after every transaction as quick as possible).
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*/
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typedef struct {
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ValueMutex* bus; ///< <SpiBus*>
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} SpiDevice;
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##SPI IRQ device
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/*
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Many devices (like CC1101 and NFC) present as SPI bus and IRQ line.
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For work with it there is special entity `SpiIrqDevice`.
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Use `subscribe_pubsub` for subscribinq to irq events.
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*/
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typedef struct {
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ValueMutex* bus; ///< <SpiBus*>
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PubSub* irq;
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} SpiIrqDevice;
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/*
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Special implementation of SPI bus: serial interface + CS, Res, D/I lines.
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*/
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typedef struct {
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GpioPin* cs; ///< CS pin
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GpioPin* res; ///< reset pin
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GpioPin* di; ///< D/I pin
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ValueMutex* spi; ///< <SPI_HandleTypeDef*>
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} DisplayBus;
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typedef struct {
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ValueMutex* bus; ///< <DisplayBus*>
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} DisplayDevice;
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/*
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# SPI devices (F2)
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* `/dev/sdcard` - SD card SPI, `SpiDevice`
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* `/dev/cc1101_bus` - Sub-GHz radio (CC1101), `SpiIrqDevice`
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* `/dev/nfc` - NFC (ST25R3916), `SpiIrqDevice`
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* `/dev/display` - `DisplayDevice`
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* `/dev/spiext` - External SPI (warning! Lock PA4, PA5, PA6, PA7)
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### Application example
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```C
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// Be careful, this function called from IRQ context
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void handle_irq(void* _arg, void* _ctx) {
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}
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void cc1101_example() {
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SpiIrqDevice* cc1101_device = open_input("/dev/cc1101_bus");
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if(cc1101_device == NULL) return; // bus not available, critical error
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subscribe_pubsub(cc1101_device->irq, handle_irq, NULL);
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{
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// acquire device as device bus
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SpiBus* spi_bus = acquire_mutex(cc1101_device->bus, 0);
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if(spi_bus == NULL) {
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printf("Device busy\n");
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// wait for device
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spi_bus = acquire_mutex_block(cc1101_device->bus);
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}
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// make transaction
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uint8_t request[4] = {0xDE, 0xAD, 0xBE, 0xEF};
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uint8_t response[4];
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{
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SPI_HandleTypeDef* spi = acquire_mutex_block(spi_bus->spi);
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gpio_write(spi_bus->cs, false);
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spi_xfer_block(spi, request, response, 4);
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gpio_write(spi_bus->cs, true);
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release_mutex(cc1101_device->spi, spi);
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}
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// release device (device bus)
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release_mutex(cc1101_device->bus, spi_bus);
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}
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}
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```
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*/
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#ifdef __cplusplus
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}
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#endif
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