260 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			260 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include "subghz_cli.h"
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#include <furi.h>
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#include <furi-hal.h>
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#include <stream_buffer.h>
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#include <lib/subghz/protocols/subghz_protocol.h>
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#define SUBGHZ_FREQUENCY_RANGE_STR \
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    "299999755...348000000 or 386999938...464000000 or 778999847...928000000"
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void subghz_cli_init() {
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    Cli* cli = furi_record_open("cli");
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    cli_add_command(
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        cli, "subghz_tx_carrier", CliCommandFlagDefault, subghz_cli_command_tx_carrier, NULL);
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    cli_add_command(
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        cli, "subghz_rx_carrier", CliCommandFlagDefault, subghz_cli_command_rx_carrier, NULL);
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    cli_add_command(cli, "subghz_tx", CliCommandFlagDefault, subghz_cli_command_tx, NULL);
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    cli_add_command(cli, "subghz_rx", CliCommandFlagDefault, subghz_cli_command_rx, NULL);
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    furi_record_close("cli");
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}
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void subghz_cli_command_tx_carrier(Cli* cli, string_t args, void* context) {
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    uint32_t frequency = 433920000;
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    if(string_size(args)) {
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        int ret = sscanf(string_get_cstr(args), "%lu", &frequency);
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        if(ret != 1) {
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            printf("sscanf returned %d, frequency: %lu\r\n", ret, frequency);
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            cli_print_usage("subghz_tx_carrier", "<Frequency in HZ>", string_get_cstr(args));
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            return;
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        }
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        if(!furi_hal_subghz_is_frequency_valid(frequency)) {
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            printf(
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                "Frequency must be in " SUBGHZ_FREQUENCY_RANGE_STR " range, not %lu\r\n",
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                frequency);
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            return;
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        }
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    }
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    furi_hal_subghz_reset();
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    furi_hal_subghz_load_preset(FuriHalSubGhzPresetOokAsync);
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    frequency = furi_hal_subghz_set_frequency_and_path(frequency);
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    hal_gpio_init(&gpio_cc1101_g0, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
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    hal_gpio_write(&gpio_cc1101_g0, true);
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    furi_hal_subghz_tx();
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    printf("Transmitting at frequency %lu Hz\r\n", frequency);
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    printf("Press CTRL+C to stop\r\n");
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    while(!cli_cmd_interrupt_received(cli)) {
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        osDelay(250);
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    }
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    furi_hal_subghz_set_path(FuriHalSubGhzPathIsolate);
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    furi_hal_subghz_sleep();
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}
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void subghz_cli_command_rx_carrier(Cli* cli, string_t args, void* context) {
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    uint32_t frequency = 433920000;
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    if(string_size(args)) {
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        int ret = sscanf(string_get_cstr(args), "%lu", &frequency);
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        if(ret != 1) {
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            printf("sscanf returned %d, frequency: %lu\r\n", ret, frequency);
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            cli_print_usage("subghz_tx_carrier", "<Frequency in HZ>", string_get_cstr(args));
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            return;
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        }
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        if(!furi_hal_subghz_is_frequency_valid(frequency)) {
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            printf(
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                "Frequency must be in " SUBGHZ_FREQUENCY_RANGE_STR " range, not %lu\r\n",
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                frequency);
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            return;
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        }
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    }
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    furi_hal_subghz_reset();
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    furi_hal_subghz_load_preset(FuriHalSubGhzPresetOokAsync);
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    frequency = furi_hal_subghz_set_frequency_and_path(frequency);
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    printf("Receiving at frequency %lu Hz\r\n", frequency);
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    printf("Press CTRL+C to stop\r\n");
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    furi_hal_subghz_rx();
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    while(!cli_cmd_interrupt_received(cli)) {
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        osDelay(250);
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        printf("RSSI: %03.1fdbm\r", furi_hal_subghz_get_rssi());
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        fflush(stdout);
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    }
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    furi_hal_subghz_set_path(FuriHalSubGhzPathIsolate);
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    furi_hal_subghz_sleep();
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}
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#define SUBGHZ_PT_SHORT 376
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#define SUBGHZ_PT_LONG (SUBGHZ_PT_SHORT * 3)
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#define SUBGHZ_PT_GUARD 10600
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void subghz_cli_command_tx(Cli* cli, string_t args, void* context) {
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    uint32_t frequency = 433920000;
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    size_t repeat = 10;
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    uint32_t key = 0x0074BADE;
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    if(string_size(args)) {
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        int ret = sscanf(string_get_cstr(args), "%lx %lu %u", &key, &frequency, &repeat);
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        if(ret != 3) {
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            printf(
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                "sscanf returned %d, key: %lx, frequency: %lu, repeat: %u\r\n",
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                ret,
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                key,
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                frequency,
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                repeat);
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            cli_print_usage(
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                "subghz_rx",
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                "<3 Byte Key in hex> <Frequency in HZ> <Repeat count>",
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                string_get_cstr(args));
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            return;
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        }
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        if(!furi_hal_subghz_is_frequency_valid(frequency)) {
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            printf(
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                "Frequency must be in " SUBGHZ_FREQUENCY_RANGE_STR " range, not %lu\r\n",
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                frequency);
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            return;
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        }
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    }
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    size_t subghz_test_data_size = 25 * 2 * sizeof(uint32_t);
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    uint32_t* subghz_test_data = furi_alloc(subghz_test_data_size);
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    size_t pos = 0;
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    for(uint8_t i = 0; i < 24; i++) {
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        uint8_t byte = i / 8;
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        uint8_t bit = i % 8;
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        bool value = (((uint8_t*)&key)[2 - byte] >> (7 - bit)) & 1;
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        if(value) {
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            subghz_test_data[pos++] = SUBGHZ_PT_SHORT;
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            subghz_test_data[pos++] = SUBGHZ_PT_LONG;
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        } else {
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            subghz_test_data[pos++] = SUBGHZ_PT_LONG;
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            subghz_test_data[pos++] = SUBGHZ_PT_SHORT;
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        }
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    }
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    subghz_test_data[pos++] = SUBGHZ_PT_SHORT;
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    subghz_test_data[pos++] = SUBGHZ_PT_SHORT + SUBGHZ_PT_GUARD;
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    printf(
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        "Transmitting at %lu, key %lx, repeat %u. Press CTRL+C to stop\r\n",
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        frequency,
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        key,
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        repeat);
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    furi_hal_subghz_reset();
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    furi_hal_subghz_load_preset(FuriHalSubGhzPresetOokAsync);
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    frequency = furi_hal_subghz_set_frequency_and_path(frequency);
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    furi_hal_subghz_start_async_tx(subghz_test_data, subghz_test_data_size, repeat);
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    furi_hal_subghz_wait_async_tx();
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    furi_hal_subghz_stop_async_tx();
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    free(subghz_test_data);
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    furi_hal_subghz_sleep();
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}
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typedef struct {
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    volatile bool overrun;
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    StreamBufferHandle_t stream;
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    size_t packet_count;
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} SubGhzCliCommandRx;
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static void subghz_cli_command_rx_callback(bool level, uint32_t duration, void* context) {
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    SubGhzCliCommandRx* instance = context;
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    BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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    LevelDuration level_duration = level_duration_make(level, duration);
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    if(instance->overrun) {
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        instance->overrun = false;
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        level_duration = level_duration_reset();
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    }
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    size_t ret = xStreamBufferSendFromISR(
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        instance->stream, &level_duration, sizeof(LevelDuration), &xHigherPriorityTaskWoken);
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    if(sizeof(LevelDuration) != ret) instance->overrun = true;
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    portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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}
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static void subghz_cli_command_rx_text_callback(string_t text, void* context) {
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    SubGhzCliCommandRx* instance = context;
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    instance->packet_count++;
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    printf(string_get_cstr(text));
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}
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void subghz_cli_command_rx(Cli* cli, string_t args, void* context) {
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    uint32_t frequency = 433920000;
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    if(string_size(args)) {
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        int ret = sscanf(string_get_cstr(args), "%lu", &frequency);
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        if(ret != 1) {
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            printf("sscanf returned %d, frequency: %lu\r\n", ret, frequency);
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            cli_print_usage("subghz_rx", "<Frequency in HZ>", string_get_cstr(args));
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            return;
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        }
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        if(!furi_hal_subghz_is_frequency_valid(frequency)) {
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            printf(
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                "Frequency must be in " SUBGHZ_FREQUENCY_RANGE_STR " range, not %lu\r\n",
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                frequency);
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            return;
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        }
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    }
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    // Allocate context and buffers
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    SubGhzCliCommandRx* instance = furi_alloc(sizeof(SubGhzCliCommandRx));
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    instance->stream = xStreamBufferCreate(sizeof(LevelDuration) * 1024, sizeof(LevelDuration));
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    furi_check(instance->stream);
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    SubGhzProtocol* protocol = subghz_protocol_alloc();
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    subghz_protocol_load_keeloq_file(protocol, "/ext/assets/subghz/keeloq_mfcodes");
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    subghz_protocol_load_nice_flor_s_file(protocol, "/ext/assets/subghz/nice_floor_s_rx");
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    subghz_protocol_enable_dump_text(protocol, subghz_cli_command_rx_text_callback, instance);
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    // Configure radio
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    furi_hal_subghz_reset();
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    furi_hal_subghz_load_preset(FuriHalSubGhzPresetOokAsync);
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    frequency = furi_hal_subghz_set_frequency_and_path(frequency);
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    hal_gpio_init(&gpio_cc1101_g0, GpioModeInput, GpioPullNo, GpioSpeedLow);
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    // Prepare and start RX
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    furi_hal_subghz_set_async_rx_callback(subghz_cli_command_rx_callback, instance);
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    furi_hal_subghz_start_async_rx();
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    // Wait for packets to arrive
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    printf("Listening at %lu. Press CTRL+C to stop\r\n", frequency);
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    LevelDuration level_duration;
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    while(!cli_cmd_interrupt_received(cli)) {
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        int ret =
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            xStreamBufferReceive(instance->stream, &level_duration, sizeof(LevelDuration), 10);
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        if(ret == sizeof(LevelDuration)) {
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            if(level_duration_is_reset(level_duration)) {
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                printf(".");
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                subghz_protocol_reset(protocol);
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            } else {
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                bool level = level_duration_get_level(level_duration);
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                uint32_t duration = level_duration_get_duration(level_duration);
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                subghz_protocol_parse(protocol, level, duration);
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            }
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        }
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    }
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    // Shutdown radio
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    furi_hal_subghz_stop_async_rx();
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    furi_hal_subghz_sleep();
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    printf("\r\nPackets recieved %u\r\n", instance->packet_count);
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    // Cleanup
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    subghz_protocol_free(protocol);
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    vStreamBufferDelete(instance->stream);
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    free(instance);
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}
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