diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index aa4ada1a..69f8289f 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -42,6 +42,8 @@ /applications/debug/unit_tests/ @skotopes @DrZlo13 @hedger @nminaylov @gornekich @Astrrra @gsurkov @Skorpionm +/applications/examples/example_thermo/ @skotopes @DrZlo13 @hedger @gsurkov + # Assets /assets/resources/infrared/ @skotopes @DrZlo13 @hedger @gsurkov diff --git a/applications/examples/example_thermo/README.md b/applications/examples/example_thermo/README.md new file mode 100644 index 00000000..fa00264d --- /dev/null +++ b/applications/examples/example_thermo/README.md @@ -0,0 +1,44 @@ +# 1-Wire Thermometer +This example application demonstrates the use of the 1-Wire library with a DS18B20 thermometer. +It also covers basic GUI, input handling, threads and localisation. + +## Electrical connections +Before launching the application, connect the sensor to Flipper's external GPIO according to the table below: +| DS18B20 | Flipper | +| :-----: | :-----: | +| VDD | 9 | +| GND | 18 | +| DQ | 17 | + +*NOTE 1*: GND is also available on pins 8 and 11. + +*NOTE 2*: For any other pin than 17, connect an external 4.7k pull-up resistor to pin 9. + +## Launching the application +In order to launch this demo, follow the steps below: +1. Make sure your Flipper has an SD card installed. +2. Connect your Flipper to the computer via a USB cable. +3. Run `./fbt launch_app APPSRC=example_thermo` in your terminal emulator of choice. + +## Changing the data pin +It is possible to use other GPIO pin as a 1-Wire data pin. In order to change it, set the `THERMO_GPIO_PIN` macro to any of the options listed below: + +```c +/* Possible GPIO pin choices: + - gpio_ext_pc0 + - gpio_ext_pc1 + - gpio_ext_pc3 + - gpio_ext_pb2 + - gpio_ext_pb3 + - gpio_ext_pa4 + - gpio_ext_pa6 + - gpio_ext_pa7 + - ibutton_gpio +*/ + +#define THERMO_GPIO_PIN (ibutton_gpio) +``` +Do not forget about the external pull-up resistor as these pins do not have one built-in. + +With the changes been made, recompile and launch the application again. +The on-screen text should reflect it by asking to connect the thermometer to another pin. diff --git a/applications/examples/example_thermo/application.fam b/applications/examples/example_thermo/application.fam new file mode 100644 index 00000000..b4a05c7f --- /dev/null +++ b/applications/examples/example_thermo/application.fam @@ -0,0 +1,10 @@ +App( + appid="example_thermo", + name="Example: Thermometer", + apptype=FlipperAppType.EXTERNAL, + entry_point="example_thermo_main", + requires=["gui"], + stack_size=1 * 1024, + fap_icon="example_thermo_10px.png", + fap_category="Examples", +) diff --git a/applications/examples/example_thermo/example_thermo.c b/applications/examples/example_thermo/example_thermo.c new file mode 100644 index 00000000..b3bc7cd9 --- /dev/null +++ b/applications/examples/example_thermo/example_thermo.c @@ -0,0 +1,356 @@ +/* + * This file contains an example application that reads and displays + * the temperature from a DS18B20 1-wire thermometer. + * + * It also covers basic GUI, input handling, threads and localisation. + * + * References: + * [1] DS18B20 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/DS18B20.pdf + */ + +#include +#include + +#include +#include + +#include + +#include +#include + +#define UPDATE_PERIOD_MS 1000UL +#define TEXT_STORE_SIZE 64U + +#define DS18B20_CMD_CONVERT 0x44U +#define DS18B20_CMD_READ_SCRATCHPAD 0xbeU + +#define DS18B20_CFG_RESOLUTION_POS 5U +#define DS18B20_CFG_RESOLUTION_MASK 0x03U +#define DS18B20_DECIMAL_PART_MASK 0x0fU + +#define DS18B20_SIGN_MASK 0xf0U + +/* Possible GPIO pin choices: + - gpio_ext_pc0 + - gpio_ext_pc1 + - gpio_ext_pc3 + - gpio_ext_pb2 + - gpio_ext_pb3 + - gpio_ext_pa4 + - gpio_ext_pa6 + - gpio_ext_pa7 + - ibutton_gpio +*/ + +#define THERMO_GPIO_PIN (ibutton_gpio) + +/* Flags which the reader thread responds to */ +typedef enum { + ReaderThreadFlagExit = 1, +} ReaderThreadFlag; + +typedef union { + struct { + uint8_t temp_lsb; /* Least significant byte of the temperature */ + uint8_t temp_msb; /* Most significant byte of the temperature */ + uint8_t user_alarm_high; /* User register 1 (Temp high alarm) */ + uint8_t user_alarm_low; /* User register 2 (Temp low alarm) */ + uint8_t config; /* Configuration register */ + uint8_t reserved[3]; /* Not used */ + uint8_t crc; /* CRC checksum for error detection */ + } fields; + uint8_t bytes[9]; +} DS18B20Scratchpad; + +/* Application context structure */ +typedef struct { + Gui* gui; + ViewPort* view_port; + FuriThread* reader_thread; + FuriMessageQueue* event_queue; + OneWireHost* onewire; + float temp_celsius; + bool has_device; +} ExampleThermoContext; + +/*************** 1-Wire Communication and Processing *****************/ + +/* Commands the thermometer to begin measuring the temperature. */ +static void example_thermo_request_temperature(ExampleThermoContext* context) { + OneWireHost* onewire = context->onewire; + + /* All 1-wire transactions must happen in a critical section, i.e + not interrupted by other threads. */ + FURI_CRITICAL_ENTER(); + + bool success = false; + do { + /* Each communication with a 1-wire device starts by a reset. + The functon will return true if a device responded with a presence pulse. */ + if(!onewire_host_reset(onewire)) break; + /* After the reset, a ROM operation must follow. + If there is only one device connected, the "Skip ROM" command is most appropriate + (it can also be used to address all of the connected devices in some cases).*/ + onewire_host_skip(onewire); + /* After the ROM operation, a device-specific command is issued. + In this case, it's a request to start measuring the temperature. */ + onewire_host_write(onewire, DS18B20_CMD_CONVERT); + + success = true; + } while(false); + + context->has_device = success; + + FURI_CRITICAL_EXIT(); +} + +/* Reads the measured temperature from the thermometer. */ +static void example_thermo_read_temperature(ExampleThermoContext* context) { + /* If there was no device detected, don't try to read the temperature */ + if(!context->has_device) { + return; + } + + OneWireHost* onewire = context->onewire; + + /* All 1-wire transactions must happen in a critical section, i.e + not interrupted by other threads. */ + FURI_CRITICAL_ENTER(); + + bool success = false; + + do { + DS18B20Scratchpad buf; + + /* Attempt reading the temperature 10 times before giving up */ + size_t attempts_left = 10; + do { + /* Each communication with a 1-wire device starts by a reset. + The functon will return true if a device responded with a presence pulse. */ + if(!onewire_host_reset(onewire)) continue; + + /* After the reset, a ROM operation must follow. + If there is only one device connected, the "Skip ROM" command is most appropriate + (it can also be used to address all of the connected devices in some cases).*/ + onewire_host_skip(onewire); + + /* After the ROM operation, a device-specific command is issued. + This time, it will be the "Read Scratchpad" command which will + prepare the device's internal buffer memory for reading. */ + onewire_host_write(onewire, DS18B20_CMD_READ_SCRATCHPAD); + + /* The actual reading happens here. A total of 9 bytes is read. */ + onewire_host_read_bytes(onewire, buf.bytes, sizeof(buf.bytes)); + + /* Calculate the checksum and compare it with one provided by the device. */ + const uint8_t crc = maxim_crc8(buf.bytes, sizeof(buf.bytes) - 1, MAXIM_CRC8_INIT); + + /* Checksums match, exit the loop */ + if(crc == buf.fields.crc) break; + + } while(--attempts_left); + + if(attempts_left == 0) break; + + /* Get the measurement resolution from the configuration register. (See [1] page 9) */ + const uint8_t resolution_mode = (buf.fields.config >> DS18B20_CFG_RESOLUTION_POS) & + DS18B20_CFG_RESOLUTION_MASK; + + /* Generate a mask for undefined bits in the decimal part. (See [1] page 6) */ + const uint8_t decimal_mask = + (DS18B20_DECIMAL_PART_MASK << (DS18B20_CFG_RESOLUTION_MASK - resolution_mode)) & + DS18B20_DECIMAL_PART_MASK; + + /* Get the integer and decimal part of the temperature (See [1] page 6) */ + const uint8_t integer_part = (buf.fields.temp_msb << 4U) | (buf.fields.temp_lsb >> 4U); + const uint8_t decimal_part = buf.fields.temp_lsb & decimal_mask; + + /* Calculate the sign of the temperature (See [1] page 6) */ + const bool is_negative = (buf.fields.temp_msb & DS18B20_SIGN_MASK) != 0; + + /* Combine the integer and decimal part together */ + const float temp_celsius_abs = integer_part + decimal_part / 16.f; + + /* Set the appropriate sign */ + context->temp_celsius = is_negative ? -temp_celsius_abs : temp_celsius_abs; + + success = true; + } while(false); + + context->has_device = success; + + FURI_CRITICAL_EXIT(); +} + +/* Periodically requests measurements and reads temperature. This function runs in a separare thread. */ +static int32_t example_thermo_reader_thread_callback(void* ctx) { + ExampleThermoContext* context = ctx; + + for(;;) { + /* Tell the termometer to start measuring the temperature. The process may take up to 750ms. */ + example_thermo_request_temperature(context); + + /* Wait for the measurement to finish. At the same time wait for an exit signal. */ + const uint32_t flags = + furi_thread_flags_wait(ReaderThreadFlagExit, FuriFlagWaitAny, UPDATE_PERIOD_MS); + + /* If an exit signal was received, return from this thread. */ + if(flags != (unsigned)FuriFlagErrorTimeout) break; + + /* The measurement is now ready, read it from the termometer. */ + example_thermo_read_temperature(context); + } + + return 0; +} + +/*************** GUI, Input and Main Loop *****************/ + +/* Draw the GUI of the application. The screen is completely redrawn during each call. */ +static void example_thermo_draw_callback(Canvas* canvas, void* ctx) { + ExampleThermoContext* context = ctx; + char text_store[TEXT_STORE_SIZE]; + const size_t middle_x = canvas_width(canvas) / 2U; + + canvas_set_font(canvas, FontPrimary); + canvas_draw_str_aligned(canvas, middle_x, 12, AlignCenter, AlignBottom, "Thermometer Demo"); + canvas_draw_line(canvas, 0, 16, 128, 16); + + canvas_set_font(canvas, FontSecondary); + canvas_draw_str_aligned( + canvas, middle_x, 30, AlignCenter, AlignBottom, "Connnect thermometer"); + + snprintf( + text_store, + TEXT_STORE_SIZE, + "to GPIO pin %ld", + furi_hal_resources_get_ext_pin_number(&THERMO_GPIO_PIN)); + canvas_draw_str_aligned(canvas, middle_x, 42, AlignCenter, AlignBottom, text_store); + + canvas_set_font(canvas, FontKeyboard); + + if(context->has_device) { + float temp; + char temp_units; + + /* The applicaton is locale-aware. + Change Settings->System->Units to check it out. */ + switch(locale_get_measurement_unit()) { + case LocaleMeasurementUnitsMetric: + temp = context->temp_celsius; + temp_units = 'C'; + break; + case LocaleMeasurementUnitsImperial: + temp = locale_celsius_to_fahrenheit(context->temp_celsius); + temp_units = 'F'; + break; + default: + furi_crash("Illegal measurement units"); + } + /* If a reading is available, display it */ + snprintf(text_store, TEXT_STORE_SIZE, "Temperature: %+.1f%c", (double)temp, temp_units); + } else { + /* Or show a message that no data is available */ + strncpy(text_store, "-- No data --", TEXT_STORE_SIZE); + } + + canvas_draw_str_aligned(canvas, middle_x, 58, AlignCenter, AlignBottom, text_store); +} + +/* This function is called from the GUI thread. All it does is put the event + into the application's queue so it can be processed later. */ +static void example_thermo_input_callback(InputEvent* event, void* ctx) { + ExampleThermoContext* context = ctx; + furi_message_queue_put(context->event_queue, event, FuriWaitForever); +} + +/* Starts the reader thread and handles the input */ +static void example_thermo_run(ExampleThermoContext* context) { + /* Configure the hardware in host mode */ + onewire_host_start(context->onewire); + + /* Start the reader thread. It will talk to the thermometer in the background. */ + furi_thread_start(context->reader_thread); + + /* An endless loop which handles the input*/ + for(bool is_running = true; is_running;) { + InputEvent event; + /* Wait for an input event. Input events come from the GUI thread via a callback. */ + const FuriStatus status = + furi_message_queue_get(context->event_queue, &event, FuriWaitForever); + + /* This application is only interested in short button presses. */ + if((status != FuriStatusOk) || (event.type != InputTypeShort)) { + continue; + } + + /* When the user presses the "Back" button, break the loop and exit the application. */ + if(event.key == InputKeyBack) { + is_running = false; + } + } + + /* Signal the reader thread to cease operation and exit */ + furi_thread_flags_set(furi_thread_get_id(context->reader_thread), ReaderThreadFlagExit); + + /* Wait for the reader thread to finish */ + furi_thread_join(context->reader_thread); + + /* Reset the hardware */ + onewire_host_stop(context->onewire); +} + +/******************** Initialisation & startup *****************************/ + +/* Allocate the memory and initialise the variables */ +static ExampleThermoContext* example_thermo_context_alloc() { + ExampleThermoContext* context = malloc(sizeof(ExampleThermoContext)); + + context->view_port = view_port_alloc(); + view_port_draw_callback_set(context->view_port, example_thermo_draw_callback, context); + view_port_input_callback_set(context->view_port, example_thermo_input_callback, context); + + context->event_queue = furi_message_queue_alloc(8, sizeof(InputEvent)); + + context->reader_thread = furi_thread_alloc(); + furi_thread_set_stack_size(context->reader_thread, 1024U); + furi_thread_set_context(context->reader_thread, context); + furi_thread_set_callback(context->reader_thread, example_thermo_reader_thread_callback); + + context->gui = furi_record_open(RECORD_GUI); + gui_add_view_port(context->gui, context->view_port, GuiLayerFullscreen); + + context->onewire = onewire_host_alloc(&THERMO_GPIO_PIN); + + return context; +} + +/* Release the unused resources and deallocate memory */ +static void example_thermo_context_free(ExampleThermoContext* context) { + view_port_enabled_set(context->view_port, false); + gui_remove_view_port(context->gui, context->view_port); + + onewire_host_free(context->onewire); + furi_thread_free(context->reader_thread); + furi_message_queue_free(context->event_queue); + view_port_free(context->view_port); + + furi_record_close(RECORD_GUI); +} + +/* The application's entry point. Execution starts from here. */ +int32_t example_thermo_main(void* p) { + UNUSED(p); + + /* Allocate all of the necessary structures */ + ExampleThermoContext* context = example_thermo_context_alloc(); + + /* Start the applicaton's main loop. It won't return until the application was requested to exit. */ + example_thermo_run(context); + + /* Release all unneeded resources */ + example_thermo_context_free(context); + + return 0; +} diff --git a/applications/examples/example_thermo/example_thermo_10px.png b/applications/examples/example_thermo/example_thermo_10px.png new file mode 100644 index 00000000..3d527f30 Binary files /dev/null and b/applications/examples/example_thermo/example_thermo_10px.png differ diff --git a/applications/main/ibutton/ibutton_cli.c b/applications/main/ibutton/ibutton_cli.c index fab1ccf0..9ddb079d 100644 --- a/applications/main/ibutton/ibutton_cli.c +++ b/applications/main/ibutton/ibutton_cli.c @@ -271,7 +271,7 @@ void onewire_cli_print_usage() { static void onewire_cli_search(Cli* cli) { UNUSED(cli); - OneWireHost* onewire = onewire_host_alloc(); + OneWireHost* onewire = onewire_host_alloc(&ibutton_gpio); uint8_t address[8]; bool done = false; diff --git a/firmware/targets/f18/api_symbols.csv b/firmware/targets/f18/api_symbols.csv index ff6dbc23..025b605f 100644 --- a/firmware/targets/f18/api_symbols.csv +++ b/firmware/targets/f18/api_symbols.csv @@ -1,5 +1,5 @@ entry,status,name,type,params -Version,+,12.2,, +Version,+,13.0,, Header,+,applications/services/bt/bt_service/bt.h,, Header,+,applications/services/cli/cli.h,, Header,+,applications/services/cli/cli_vcp.h,, @@ -910,6 +910,7 @@ Function,-,furi_hal_flash_write_dword,void,"size_t, uint64_t" Function,+,furi_hal_gpio_add_int_callback,void,"const GpioPin*, GpioExtiCallback, void*" Function,+,furi_hal_gpio_disable_int_callback,void,const GpioPin* Function,+,furi_hal_gpio_enable_int_callback,void,const GpioPin* +Function,+,furi_hal_resources_get_ext_pin_number,int32_t,const GpioPin* Function,+,furi_hal_gpio_init,void,"const GpioPin*, const GpioMode, const GpioPull, const GpioSpeed" Function,+,furi_hal_gpio_init_ex,void,"const GpioPin*, const GpioMode, const GpioPull, const GpioSpeed, const GpioAltFn" Function,+,furi_hal_gpio_init_simple,void,"const GpioPin*, const GpioMode" diff --git a/firmware/targets/f18/furi_hal/furi_hal_resources.c b/firmware/targets/f18/furi_hal/furi_hal_resources.c index dafeefdd..41cc80bf 100644 --- a/firmware/targets/f18/furi_hal/furi_hal_resources.c +++ b/firmware/targets/f18/furi_hal/furi_hal_resources.c @@ -199,3 +199,27 @@ void furi_hal_resources_init() { NVIC_SetPriority(EXTI15_10_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 5, 0)); NVIC_EnableIRQ(EXTI15_10_IRQn); } + +int32_t furi_hal_resources_get_ext_pin_number(const GpioPin* gpio) { + // TODO: describe second ROW + if(gpio == &gpio_ext_pa7) + return 2; + else if(gpio == &gpio_ext_pa6) + return 3; + else if(gpio == &gpio_ext_pa4) + return 4; + else if(gpio == &gpio_ext_pb3) + return 5; + else if(gpio == &gpio_ext_pb2) + return 6; + else if(gpio == &gpio_ext_pc3) + return 7; + else if(gpio == &gpio_ext_pc1) + return 15; + else if(gpio == &gpio_ext_pc0) + return 16; + else if(gpio == &ibutton_gpio) + return 17; + else + return -1; +} diff --git a/firmware/targets/f18/furi_hal/furi_hal_resources.h b/firmware/targets/f18/furi_hal/furi_hal_resources.h index ef2cdae7..a24afbf9 100644 --- a/firmware/targets/f18/furi_hal/furi_hal_resources.h +++ b/firmware/targets/f18/furi_hal/furi_hal_resources.h @@ -111,6 +111,13 @@ void furi_hal_resources_deinit_early(); void furi_hal_resources_init(); +/** + * Get a corresponding external connector pin number for a gpio + * @param gpio GpioPin + * @return pin number or -1 if gpio is not on the external connector + */ +int32_t furi_hal_resources_get_ext_pin_number(const GpioPin* gpio); + #ifdef __cplusplus } #endif diff --git a/firmware/targets/f7/api_symbols.csv b/firmware/targets/f7/api_symbols.csv index a1f34f10..35985aeb 100644 --- a/firmware/targets/f7/api_symbols.csv +++ b/firmware/targets/f7/api_symbols.csv @@ -1,5 +1,5 @@ entry,status,name,type,params -Version,+,12.2,, +Version,+,13.0,, Header,+,applications/services/bt/bt_service/bt.h,, Header,+,applications/services/cli/cli.h,, Header,+,applications/services/cli/cli_vcp.h,, @@ -1094,6 +1094,7 @@ Function,-,furi_hal_flash_write_dword,void,"size_t, uint64_t" Function,+,furi_hal_gpio_add_int_callback,void,"const GpioPin*, GpioExtiCallback, void*" Function,+,furi_hal_gpio_disable_int_callback,void,const GpioPin* Function,+,furi_hal_gpio_enable_int_callback,void,const GpioPin* +Function,+,furi_hal_resources_get_ext_pin_number,int32_t,const GpioPin* Function,+,furi_hal_gpio_init,void,"const GpioPin*, const GpioMode, const GpioPull, const GpioSpeed" Function,+,furi_hal_gpio_init_ex,void,"const GpioPin*, const GpioMode, const GpioPull, const GpioSpeed, const GpioAltFn" Function,+,furi_hal_gpio_init_simple,void,"const GpioPin*, const GpioMode" @@ -1129,20 +1130,13 @@ Function,+,furi_hal_i2c_tx,_Bool,"FuriHalI2cBusHandle*, const uint8_t, const uin Function,+,furi_hal_i2c_write_mem,_Bool,"FuriHalI2cBusHandle*, uint8_t, uint8_t, uint8_t*, uint8_t, uint32_t" Function,+,furi_hal_i2c_write_reg_16,_Bool,"FuriHalI2cBusHandle*, uint8_t, uint8_t, uint16_t, uint32_t" Function,+,furi_hal_i2c_write_reg_8,_Bool,"FuriHalI2cBusHandle*, uint8_t, uint8_t, uint8_t, uint32_t" -Function,+,furi_hal_ibutton_add_interrupt,void,"GpioExtiCallback, void*" Function,+,furi_hal_ibutton_emulate_set_next,void,uint32_t Function,+,furi_hal_ibutton_emulate_start,void,"uint32_t, FuriHalIbuttonEmulateCallback, void*" Function,+,furi_hal_ibutton_emulate_stop,void, Function,-,furi_hal_ibutton_init,void, -Function,+,furi_hal_ibutton_pin_get_level,_Bool, -Function,+,furi_hal_ibutton_pin_high,void, -Function,+,furi_hal_ibutton_pin_low,void, -Function,+,furi_hal_ibutton_remove_interrupt,void, -Function,+,furi_hal_ibutton_start_drive,void, -Function,+,furi_hal_ibutton_start_drive_in_isr,void, -Function,+,furi_hal_ibutton_start_interrupt,void, -Function,+,furi_hal_ibutton_start_interrupt_in_isr,void, -Function,+,furi_hal_ibutton_stop,void, +Function,+,furi_hal_ibutton_pin_configure,void, +Function,+,furi_hal_ibutton_pin_reset,void, +Function,+,furi_hal_ibutton_pin_write,void,const _Bool Function,+,furi_hal_info_get,void,"PropertyValueCallback, char, void*" Function,+,furi_hal_infrared_async_rx_set_capture_isr_callback,void,"FuriHalInfraredRxCaptureCallback, void*" Function,+,furi_hal_infrared_async_rx_set_timeout,void,uint32_t @@ -2040,7 +2034,7 @@ Function,+,onewire_device_detach,void,OneWireDevice* Function,+,onewire_device_free,void,OneWireDevice* Function,+,onewire_device_get_id_p,uint8_t*,OneWireDevice* Function,+,onewire_device_send_id,void,OneWireDevice* -Function,+,onewire_host_alloc,OneWireHost*, +Function,+,onewire_host_alloc,OneWireHost*,const GpioPin* Function,+,onewire_host_free,void,OneWireHost* Function,+,onewire_host_read,uint8_t,OneWireHost* Function,+,onewire_host_read_bit,_Bool,OneWireHost* @@ -2054,7 +2048,7 @@ Function,+,onewire_host_stop,void,OneWireHost* Function,+,onewire_host_target_search,void,"OneWireHost*, uint8_t" Function,+,onewire_host_write,void,"OneWireHost*, uint8_t" Function,+,onewire_host_write_bit,void,"OneWireHost*, _Bool" -Function,+,onewire_slave_alloc,OneWireSlave*, +Function,+,onewire_slave_alloc,OneWireSlave*,const GpioPin* Function,+,onewire_slave_attach,void,"OneWireSlave*, OneWireDevice*" Function,+,onewire_slave_detach,void,OneWireSlave* Function,+,onewire_slave_free,void,OneWireSlave* diff --git a/firmware/targets/f7/furi_hal/furi_hal_gpio.c b/firmware/targets/f7/furi_hal/furi_hal_gpio.c index a148a3af..e8318afc 100644 --- a/firmware/targets/f7/furi_hal/furi_hal_gpio.c +++ b/firmware/targets/f7/furi_hal/furi_hal_gpio.c @@ -1,6 +1,7 @@ #include #include #include +#include #include #define GET_SYSCFG_EXTI_PORT(gpio) \ @@ -224,85 +225,85 @@ static void furi_hal_gpio_int_call(uint16_t pin_num) { /* Interrupt handlers */ void EXTI0_IRQHandler(void) { if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_0)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_0); furi_hal_gpio_int_call(0); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_0); } } void EXTI1_IRQHandler(void) { if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_1)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_1); furi_hal_gpio_int_call(1); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_1); } } void EXTI2_IRQHandler(void) { if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_2)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_2); furi_hal_gpio_int_call(2); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_2); } } void EXTI3_IRQHandler(void) { if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_3)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_3); furi_hal_gpio_int_call(3); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_3); } } void EXTI4_IRQHandler(void) { if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_4)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_4); furi_hal_gpio_int_call(4); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_4); } } void EXTI9_5_IRQHandler(void) { if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_5)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_5); furi_hal_gpio_int_call(5); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_5); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_6)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_6); furi_hal_gpio_int_call(6); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_6); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_7)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_7); furi_hal_gpio_int_call(7); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_7); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_8)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_8); furi_hal_gpio_int_call(8); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_8); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_9)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_9); furi_hal_gpio_int_call(9); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_9); } } void EXTI15_10_IRQHandler(void) { if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_10)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_10); furi_hal_gpio_int_call(10); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_10); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_11)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_11); furi_hal_gpio_int_call(11); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_11); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_12)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_12); furi_hal_gpio_int_call(12); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_12); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_13)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_13); furi_hal_gpio_int_call(13); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_13); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_14)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_14); furi_hal_gpio_int_call(14); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_14); } if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_15)) { - LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_15); furi_hal_gpio_int_call(15); + LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_15); } } diff --git a/firmware/targets/f7/furi_hal/furi_hal_ibutton.c b/firmware/targets/f7/furi_hal/furi_hal_ibutton.c index 0375893e..c05cd69a 100644 --- a/firmware/targets/f7/furi_hal/furi_hal_ibutton.c +++ b/firmware/targets/f7/furi_hal/furi_hal_ibutton.c @@ -89,47 +89,16 @@ void furi_hal_ibutton_emulate_stop() { } } -void furi_hal_ibutton_start_drive() { - furi_hal_ibutton_pin_high(); +void furi_hal_ibutton_pin_configure() { + furi_hal_gpio_write(&ibutton_gpio, true); furi_hal_gpio_init(&ibutton_gpio, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow); } -void furi_hal_ibutton_start_drive_in_isr() { - furi_hal_gpio_init(&ibutton_gpio, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow); - LL_EXTI_ClearFlag_0_31(ibutton_gpio.pin); -} - -void furi_hal_ibutton_start_interrupt() { - furi_hal_ibutton_pin_high(); - furi_hal_gpio_init(&ibutton_gpio, GpioModeInterruptRiseFall, GpioPullNo, GpioSpeedLow); -} - -void furi_hal_ibutton_start_interrupt_in_isr() { - furi_hal_gpio_init(&ibutton_gpio, GpioModeInterruptRiseFall, GpioPullNo, GpioSpeedLow); - LL_EXTI_ClearFlag_0_31(ibutton_gpio.pin); -} - -void furi_hal_ibutton_stop() { - furi_hal_ibutton_pin_high(); +void furi_hal_ibutton_pin_reset() { + furi_hal_gpio_write(&ibutton_gpio, true); furi_hal_gpio_init(&ibutton_gpio, GpioModeAnalog, GpioPullNo, GpioSpeedLow); } -void furi_hal_ibutton_add_interrupt(GpioExtiCallback cb, void* context) { - furi_hal_gpio_add_int_callback(&ibutton_gpio, cb, context); -} - -void furi_hal_ibutton_remove_interrupt() { - furi_hal_gpio_remove_int_callback(&ibutton_gpio); -} - -void furi_hal_ibutton_pin_low() { - furi_hal_gpio_write(&ibutton_gpio, false); -} - -void furi_hal_ibutton_pin_high() { - furi_hal_gpio_write(&ibutton_gpio, true); -} - -bool furi_hal_ibutton_pin_get_level() { - return furi_hal_gpio_read(&ibutton_gpio); +void furi_hal_ibutton_pin_write(const bool state) { + furi_hal_gpio_write(&ibutton_gpio, state); } diff --git a/firmware/targets/f7/furi_hal/furi_hal_ibutton.h b/firmware/targets/f7/furi_hal/furi_hal_ibutton.h index fb57d628..b723fe17 100644 --- a/firmware/targets/f7/furi_hal/furi_hal_ibutton.h +++ b/firmware/targets/f7/furi_hal/furi_hal_ibutton.h @@ -7,7 +7,6 @@ #include #include -#include #ifdef __cplusplus extern "C" { @@ -18,70 +17,43 @@ typedef void (*FuriHalIbuttonEmulateCallback)(void* context); /** Initialize */ void furi_hal_ibutton_init(); +/** + * Start emulation timer + * @param period timer period + * @param callback timer callback + * @param context callback context + */ void furi_hal_ibutton_emulate_start( uint32_t period, FuriHalIbuttonEmulateCallback callback, void* context); +/** + * Update emulation timer period + * @param period new timer period + */ void furi_hal_ibutton_emulate_set_next(uint32_t period); +/** + * Stop emulation timer + */ void furi_hal_ibutton_emulate_stop(); /** - * Sets the pin to normal mode (open collector), and sets it to float + * Set the pin to normal mode (open collector), and sets it to float */ -void furi_hal_ibutton_start_drive(); - -/** - * Sets the pin to normal mode (open collector), and clears pin EXTI interrupt. - * Used in EXTI interrupt context. - */ -void furi_hal_ibutton_start_drive_in_isr(); - -/** - * Sets the pin to interrupt mode (EXTI interrupt on rise or fall), and sets it to float - */ -void furi_hal_ibutton_start_interrupt(); - -/** - * Sets the pin to interrupt mode (EXTI interrupt on rise or fall), and clears pin EXTI interrupt. - * Used in EXTI interrupt context. - */ -void furi_hal_ibutton_start_interrupt_in_isr(); +void furi_hal_ibutton_pin_configure(); /** * Sets the pin to analog mode, and sets it to float */ -void furi_hal_ibutton_stop(); +void furi_hal_ibutton_pin_reset(); /** - * Attach interrupt callback to iButton pin - * @param cb callback - * @param context context + * iButton write pin + * @param state true / false */ -void furi_hal_ibutton_add_interrupt(GpioExtiCallback cb, void* context); - -/** - * Remove interrupt callback from iButton pin - */ -void furi_hal_ibutton_remove_interrupt(); - -/** - * Sets the pin to low - */ -void furi_hal_ibutton_pin_low(); - -/** - * Sets the pin to high (float in iButton pin modes) - */ -void furi_hal_ibutton_pin_high(); - -/** - * Get pin level - * @return true if level is high - * @return false if level is low - */ -bool furi_hal_ibutton_pin_get_level(); +void furi_hal_ibutton_pin_write(const bool state); #ifdef __cplusplus } diff --git a/firmware/targets/f7/furi_hal/furi_hal_resources.c b/firmware/targets/f7/furi_hal/furi_hal_resources.c index 03cc6e71..c0eb9ee6 100644 --- a/firmware/targets/f7/furi_hal/furi_hal_resources.c +++ b/firmware/targets/f7/furi_hal/furi_hal_resources.c @@ -191,3 +191,26 @@ void furi_hal_resources_init() { NVIC_SetPriority(EXTI15_10_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 5, 0)); NVIC_EnableIRQ(EXTI15_10_IRQn); } + +int32_t furi_hal_resources_get_ext_pin_number(const GpioPin* gpio) { + if(gpio == &gpio_ext_pa7) + return 2; + else if(gpio == &gpio_ext_pa6) + return 3; + else if(gpio == &gpio_ext_pa4) + return 4; + else if(gpio == &gpio_ext_pb3) + return 5; + else if(gpio == &gpio_ext_pb2) + return 6; + else if(gpio == &gpio_ext_pc3) + return 7; + else if(gpio == &gpio_ext_pc1) + return 15; + else if(gpio == &gpio_ext_pc0) + return 16; + else if(gpio == &ibutton_gpio) + return 17; + else + return -1; +} diff --git a/firmware/targets/f7/furi_hal/furi_hal_resources.h b/firmware/targets/f7/furi_hal/furi_hal_resources.h index 51ea7bcc..04b99a84 100644 --- a/firmware/targets/f7/furi_hal/furi_hal_resources.h +++ b/firmware/targets/f7/furi_hal/furi_hal_resources.h @@ -216,6 +216,13 @@ void furi_hal_resources_deinit_early(); void furi_hal_resources_init(); +/** + * Get a corresponding external connector pin number for a gpio + * @param gpio GpioPin + * @return pin number or -1 if gpio is not on the external connector + */ +int32_t furi_hal_resources_get_ext_pin_number(const GpioPin* gpio); + #ifdef __cplusplus } #endif diff --git a/firmware/targets/f7/furi_hal/furi_hal_rfid.c b/firmware/targets/f7/furi_hal/furi_hal_rfid.c index b0238f79..145e49df 100644 --- a/firmware/targets/f7/furi_hal/furi_hal_rfid.c +++ b/firmware/targets/f7/furi_hal/furi_hal_rfid.c @@ -77,7 +77,7 @@ void furi_hal_rfid_init() { void furi_hal_rfid_pins_reset() { // ibutton bus disable - furi_hal_ibutton_stop(); + furi_hal_ibutton_pin_reset(); // pulldown rfid antenna furi_hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow); @@ -94,8 +94,8 @@ void furi_hal_rfid_pins_reset() { void furi_hal_rfid_pins_emulate() { // ibutton low - furi_hal_ibutton_start_drive(); - furi_hal_ibutton_pin_low(); + furi_hal_ibutton_pin_configure(); + furi_hal_ibutton_pin_write(false); // pull pin to timer out furi_hal_gpio_init_ex( @@ -115,8 +115,8 @@ void furi_hal_rfid_pins_emulate() { void furi_hal_rfid_pins_read() { // ibutton low - furi_hal_ibutton_start_drive(); - furi_hal_ibutton_pin_low(); + furi_hal_ibutton_pin_configure(); + furi_hal_ibutton_pin_write(false); // dont pull rfid antenna furi_hal_gpio_init(&gpio_nfc_irq_rfid_pull, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow); diff --git a/lib/one_wire/ibutton/ibutton_worker.c b/lib/one_wire/ibutton/ibutton_worker.c index 9d5ea389..1fe39b5e 100644 --- a/lib/one_wire/ibutton/ibutton_worker.c +++ b/lib/one_wire/ibutton/ibutton_worker.c @@ -25,8 +25,8 @@ iButtonWorker* ibutton_worker_alloc() { iButtonWorker* worker = malloc(sizeof(iButtonWorker)); worker->key_p = NULL; worker->key_data = malloc(ibutton_key_get_max_size()); - worker->host = onewire_host_alloc(); - worker->slave = onewire_slave_alloc(); + worker->host = onewire_host_alloc(&ibutton_gpio); + worker->slave = onewire_slave_alloc(&ibutton_gpio); worker->writer = ibutton_writer_alloc(worker->host); worker->device = onewire_device_alloc(0, 0, 0, 0, 0, 0, 0, 0); worker->messages = furi_message_queue_alloc(1, sizeof(iButtonMessage)); diff --git a/lib/one_wire/ibutton/ibutton_worker_modes.c b/lib/one_wire/ibutton/ibutton_worker_modes.c index b284940e..da6b1076 100644 --- a/lib/one_wire/ibutton/ibutton_worker_modes.c +++ b/lib/one_wire/ibutton/ibutton_worker_modes.c @@ -234,16 +234,13 @@ void ibutton_worker_emulate_timer_cb(void* context) { furi_assert(context); iButtonWorker* worker = context; - LevelDuration level = + const LevelDuration level_duration = protocol_dict_encoder_yield(worker->protocols, worker->protocol_to_encode); - furi_hal_ibutton_emulate_set_next(level_duration_get_duration(level)); + const bool level = level_duration_get_level(level_duration); - if(level_duration_get_level(level)) { - furi_hal_ibutton_pin_high(); - } else { - furi_hal_ibutton_pin_low(); - } + furi_hal_ibutton_emulate_set_next(level); + furi_hal_ibutton_pin_write(level); } void ibutton_worker_emulate_timer_start(iButtonWorker* worker) { @@ -266,7 +263,7 @@ void ibutton_worker_emulate_timer_start(iButtonWorker* worker) { protocol_dict_set_data(worker->protocols, worker->protocol_to_encode, key_id, key_size); protocol_dict_encoder_start(worker->protocols, worker->protocol_to_encode); - furi_hal_ibutton_start_drive(); + furi_hal_ibutton_pin_configure(); furi_hal_ibutton_emulate_start(0, ibutton_worker_emulate_timer_cb, worker); } diff --git a/lib/one_wire/one_wire_host.c b/lib/one_wire/one_wire_host.c index 654b9e45..f3d3d3c4 100644 --- a/lib/one_wire/one_wire_host.c +++ b/lib/one_wire/one_wire_host.c @@ -1,18 +1,19 @@ #include -#include + #include "one_wire_host.h" #include "one_wire_host_timing.h" struct OneWireHost { - // global search state - unsigned char saved_rom[8]; + const GpioPin* gpio_pin; + unsigned char saved_rom[8]; /** < global search state */ uint8_t last_discrepancy; uint8_t last_family_discrepancy; bool last_device_flag; }; -OneWireHost* onewire_host_alloc() { +OneWireHost* onewire_host_alloc(const GpioPin* gpio_pin) { OneWireHost* host = malloc(sizeof(OneWireHost)); + host->gpio_pin = gpio_pin; onewire_host_reset_search(host); return host; } @@ -23,49 +24,47 @@ void onewire_host_free(OneWireHost* host) { } bool onewire_host_reset(OneWireHost* host) { - UNUSED(host); uint8_t r; uint8_t retries = 125; // wait until the gpio is high - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(host->gpio_pin, true); do { if(--retries == 0) return 0; furi_delay_us(2); - } while(!furi_hal_ibutton_pin_get_level()); + } while(!furi_hal_gpio_read(host->gpio_pin)); // pre delay furi_delay_us(OWH_RESET_DELAY_PRE); // drive low - furi_hal_ibutton_pin_low(); + furi_hal_gpio_write(host->gpio_pin, false); furi_delay_us(OWH_RESET_DRIVE); // release - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(host->gpio_pin, true); furi_delay_us(OWH_RESET_RELEASE); // read and post delay - r = !furi_hal_ibutton_pin_get_level(); + r = !furi_hal_gpio_read(host->gpio_pin); furi_delay_us(OWH_RESET_DELAY_POST); return r; } bool onewire_host_read_bit(OneWireHost* host) { - UNUSED(host); bool result; // drive low - furi_hal_ibutton_pin_low(); + furi_hal_gpio_write(host->gpio_pin, false); furi_delay_us(OWH_READ_DRIVE); // release - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(host->gpio_pin, true); furi_delay_us(OWH_READ_RELEASE); // read and post delay - result = furi_hal_ibutton_pin_get_level(); + result = furi_hal_gpio_read(host->gpio_pin); furi_delay_us(OWH_READ_DELAY_POST); return result; @@ -90,22 +89,21 @@ void onewire_host_read_bytes(OneWireHost* host, uint8_t* buffer, uint16_t count) } void onewire_host_write_bit(OneWireHost* host, bool value) { - UNUSED(host); if(value) { // drive low - furi_hal_ibutton_pin_low(); + furi_hal_gpio_write(host->gpio_pin, false); furi_delay_us(OWH_WRITE_1_DRIVE); // release - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(host->gpio_pin, true); furi_delay_us(OWH_WRITE_1_RELEASE); } else { // drive low - furi_hal_ibutton_pin_low(); + furi_hal_gpio_write(host->gpio_pin, false); furi_delay_us(OWH_WRITE_0_DRIVE); // release - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(host->gpio_pin, true); furi_delay_us(OWH_WRITE_0_RELEASE); } } @@ -123,13 +121,13 @@ void onewire_host_skip(OneWireHost* host) { } void onewire_host_start(OneWireHost* host) { - UNUSED(host); - furi_hal_ibutton_start_drive(); + furi_hal_gpio_write(host->gpio_pin, true); + furi_hal_gpio_init(host->gpio_pin, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow); } void onewire_host_stop(OneWireHost* host) { - UNUSED(host); - furi_hal_ibutton_stop(); + furi_hal_gpio_write(host->gpio_pin, true); + furi_hal_gpio_init(host->gpio_pin, GpioModeAnalog, GpioPullNo, GpioSpeedLow); } void onewire_host_reset_search(OneWireHost* host) { @@ -150,7 +148,7 @@ void onewire_host_target_search(OneWireHost* host, uint8_t family_code) { host->last_device_flag = false; } -uint8_t onewire_host_search(OneWireHost* host, uint8_t* newAddr, OneWireHostSearchMode mode) { +uint8_t onewire_host_search(OneWireHost* host, uint8_t* new_addr, OneWireHostSearchMode mode) { uint8_t id_bit_number; uint8_t last_zero, rom_byte_number, search_result; uint8_t id_bit, cmp_id_bit; @@ -259,7 +257,7 @@ uint8_t onewire_host_search(OneWireHost* host, uint8_t* newAddr, OneWireHostSear host->last_family_discrepancy = 0; search_result = false; } else { - for(int i = 0; i < 8; i++) newAddr[i] = host->saved_rom[i]; + for(int i = 0; i < 8; i++) new_addr[i] = host->saved_rom[i]; } return search_result; diff --git a/lib/one_wire/one_wire_host.h b/lib/one_wire/one_wire_host.h index 5b55ee8d..9c01abc1 100644 --- a/lib/one_wire/one_wire_host.h +++ b/lib/one_wire/one_wire_host.h @@ -22,10 +22,10 @@ typedef struct OneWireHost OneWireHost; /** * Allocate onewire host bus - * @param gpio + * @param pin * @return OneWireHost* */ -OneWireHost* onewire_host_alloc(); +OneWireHost* onewire_host_alloc(const GpioPin* gpio_pin); /** * Deallocate onewire host bus @@ -114,7 +114,7 @@ void onewire_host_target_search(OneWireHost* host, uint8_t family_code); * @param mode * @return uint8_t */ -uint8_t onewire_host_search(OneWireHost* host, uint8_t* newAddr, OneWireHostSearchMode mode); +uint8_t onewire_host_search(OneWireHost* host, uint8_t* new_addr, OneWireHostSearchMode mode); #ifdef __cplusplus } diff --git a/lib/one_wire/one_wire_slave.c b/lib/one_wire/one_wire_slave.c index ad9c34b1..4b54c4f9 100644 --- a/lib/one_wire/one_wire_slave.c +++ b/lib/one_wire/one_wire_slave.c @@ -27,6 +27,7 @@ typedef enum { } OneWireSlaveError; struct OneWireSlave { + const GpioPin* gpio_pin; OneWireSlaveError error; OneWireDevice* device; OneWireSlaveResultCallback result_cb; @@ -35,15 +36,15 @@ struct OneWireSlave { /*********************** PRIVATE ***********************/ -uint32_t onewire_slave_wait_while_gpio_is(OneWireSlave* bus, uint32_t time, const bool pin_value) { - UNUSED(bus); +static uint32_t + onewire_slave_wait_while_gpio_is(OneWireSlave* bus, uint32_t time, const bool pin_value) { uint32_t start = DWT->CYCCNT; uint32_t time_ticks = time * furi_hal_cortex_instructions_per_microsecond(); uint32_t time_captured; do { //-V1044 time_captured = DWT->CYCCNT; - if(furi_hal_ibutton_pin_get_level() != pin_value) { + if(furi_hal_gpio_read(bus->gpio_pin) != pin_value) { uint32_t remaining_time = time_ticks - (time_captured - start); remaining_time /= furi_hal_cortex_instructions_per_microsecond(); return remaining_time; @@ -53,14 +54,14 @@ uint32_t onewire_slave_wait_while_gpio_is(OneWireSlave* bus, uint32_t time, cons return 0; } -bool onewire_slave_show_presence(OneWireSlave* bus) { +static bool onewire_slave_show_presence(OneWireSlave* bus) { // wait while master delay presence check onewire_slave_wait_while_gpio_is(bus, OWS_PRESENCE_TIMEOUT, true); // show presence - furi_hal_ibutton_pin_low(); + furi_hal_gpio_write(bus->gpio_pin, false); furi_delay_us(OWS_PRESENCE_MIN); - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(bus->gpio_pin, true); // somebody also can show presence const uint32_t wait_low_time = OWS_PRESENCE_MAX - OWS_PRESENCE_MIN; @@ -74,7 +75,7 @@ bool onewire_slave_show_presence(OneWireSlave* bus) { return true; } -bool onewire_slave_receive_bit(OneWireSlave* bus) { +static bool onewire_slave_receive_bit(OneWireSlave* bus) { // wait while bus is low uint32_t time = OWS_SLOT_MAX; time = onewire_slave_wait_while_gpio_is(bus, time, false); @@ -98,7 +99,7 @@ bool onewire_slave_receive_bit(OneWireSlave* bus) { return (time > 0); } -bool onewire_slave_send_bit(OneWireSlave* bus, bool value) { +static bool onewire_slave_send_bit(OneWireSlave* bus, bool value) { const bool write_zero = !value; // wait while bus is low @@ -119,7 +120,7 @@ bool onewire_slave_send_bit(OneWireSlave* bus, bool value) { // choose write time if(write_zero) { - furi_hal_ibutton_pin_low(); + furi_hal_gpio_write(bus->gpio_pin, false); time = OWS_WRITE_ZERO; } else { time = OWS_READ_MAX; @@ -127,12 +128,12 @@ bool onewire_slave_send_bit(OneWireSlave* bus, bool value) { // hold line for ZERO or ONE time furi_delay_us(time); - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(bus->gpio_pin, true); return true; } -void onewire_slave_cmd_search_rom(OneWireSlave* bus) { +static void onewire_slave_cmd_search_rom(OneWireSlave* bus) { const uint8_t key_bytes = 8; uint8_t* key = onewire_device_get_id_p(bus->device); @@ -151,7 +152,7 @@ void onewire_slave_cmd_search_rom(OneWireSlave* bus) { } } -bool onewire_slave_receive_and_process_cmd(OneWireSlave* bus) { +static bool onewire_slave_receive_and_process_cmd(OneWireSlave* bus) { uint8_t cmd; onewire_slave_receive(bus, &cmd, 1); @@ -178,14 +179,14 @@ bool onewire_slave_receive_and_process_cmd(OneWireSlave* bus) { } } -bool onewire_slave_bus_start(OneWireSlave* bus) { +static bool onewire_slave_bus_start(OneWireSlave* bus) { bool result = true; if(bus->device == NULL) { result = false; } else { FURI_CRITICAL_ENTER(); - furi_hal_ibutton_start_drive_in_isr(); + furi_hal_gpio_init(bus->gpio_pin, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow); bus->error = NO_ERROR; if(onewire_slave_show_presence(bus)) { @@ -197,7 +198,7 @@ bool onewire_slave_bus_start(OneWireSlave* bus) { result = false; } - furi_hal_ibutton_start_interrupt_in_isr(); + furi_hal_gpio_init(bus->gpio_pin, GpioModeInterruptRiseFall, GpioPullNo, GpioSpeedLow); FURI_CRITICAL_EXIT(); } @@ -207,7 +208,7 @@ bool onewire_slave_bus_start(OneWireSlave* bus) { static void exti_cb(void* context) { OneWireSlave* bus = context; - volatile bool input_state = furi_hal_ibutton_pin_get_level(); + volatile bool input_state = furi_hal_gpio_read(bus->gpio_pin); static uint32_t pulse_start = 0; if(input_state) { @@ -234,8 +235,9 @@ static void exti_cb(void* context) { /*********************** PUBLIC ***********************/ -OneWireSlave* onewire_slave_alloc() { +OneWireSlave* onewire_slave_alloc(const GpioPin* gpio_pin) { OneWireSlave* bus = malloc(sizeof(OneWireSlave)); + bus->gpio_pin = gpio_pin; bus->error = NO_ERROR; bus->device = NULL; bus->result_cb = NULL; @@ -249,14 +251,15 @@ void onewire_slave_free(OneWireSlave* bus) { } void onewire_slave_start(OneWireSlave* bus) { - furi_hal_ibutton_add_interrupt(exti_cb, bus); - furi_hal_ibutton_start_interrupt(); + furi_hal_gpio_add_int_callback(bus->gpio_pin, exti_cb, bus); + furi_hal_gpio_write(bus->gpio_pin, true); + furi_hal_gpio_init(bus->gpio_pin, GpioModeInterruptRiseFall, GpioPullNo, GpioSpeedLow); } void onewire_slave_stop(OneWireSlave* bus) { - UNUSED(bus); - furi_hal_ibutton_stop(); - furi_hal_ibutton_remove_interrupt(); + furi_hal_gpio_write(bus->gpio_pin, true); + furi_hal_gpio_init(bus->gpio_pin, GpioModeAnalog, GpioPullNo, GpioSpeedLow); + furi_hal_gpio_remove_int_callback(bus->gpio_pin); } void onewire_slave_attach(OneWireSlave* bus, OneWireDevice* device) { @@ -282,7 +285,7 @@ void onewire_slave_set_result_callback( bool onewire_slave_send(OneWireSlave* bus, const uint8_t* address, const uint8_t data_length) { uint8_t bytes_sent = 0; - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(bus->gpio_pin, true); // bytes loop for(; bytes_sent < data_length; ++bytes_sent) { @@ -304,7 +307,7 @@ bool onewire_slave_send(OneWireSlave* bus, const uint8_t* address, const uint8_t bool onewire_slave_receive(OneWireSlave* bus, uint8_t* data, const uint8_t data_length) { uint8_t bytes_received = 0; - furi_hal_ibutton_pin_high(); + furi_hal_gpio_write(bus->gpio_pin, true); for(; bytes_received < data_length; ++bytes_received) { uint8_t value = 0; diff --git a/lib/one_wire/one_wire_slave.h b/lib/one_wire/one_wire_slave.h index 82e9f552..2e5db3a1 100644 --- a/lib/one_wire/one_wire_slave.h +++ b/lib/one_wire/one_wire_slave.h @@ -19,10 +19,10 @@ typedef void (*OneWireSlaveResultCallback)(void* context); /** * Allocate onewire slave - * @param pin + * @param gpio_pin * @return OneWireSlave* */ -OneWireSlave* onewire_slave_alloc(); +OneWireSlave* onewire_slave_alloc(const GpioPin* gpio_pin); /** * Free onewire slave