flipper-zero-tutorials/subghz/apps/rolling-flaws/rolling_flaws_send_keeloq.c

125 lines
5.0 KiB
C
Raw Normal View History

#include "rolling_flaws_send_keeloq.h"
#include <lib/subghz/transmitter.h>
#include <lib/subghz/devices/cc1101_int/cc1101_int_interconnect.h>
#include <lib/subghz/protocols/protocol_items.h>
#include <lib/subghz/devices/devices.h>
#ifdef TAG
#undef TAG
#endif
#define TAG "RollingFlawsSendKeeloq"
static SubGhzEnvironment* load_environment() {
SubGhzEnvironment* environment = subghz_environment_alloc();
subghz_environment_load_keystore(environment, SUBGHZ_KEYSTORE_DIR_NAME);
subghz_environment_load_keystore(environment, SUBGHZ_KEYSTORE_DIR_USER_NAME);
subghz_environment_set_came_atomo_rainbow_table_file_name(
environment, SUBGHZ_CAME_ATOMO_DIR_NAME);
subghz_environment_set_alutech_at_4n_rainbow_table_file_name(
environment, SUBGHZ_ALUTECH_AT_4N_DIR_NAME);
subghz_environment_set_nice_flor_s_rainbow_table_file_name(
environment, SUBGHZ_NICE_FLOR_S_DIR_NAME);
subghz_environment_set_protocol_registry(environment, (void*)&subghz_protocol_registry);
return environment;
}
static void send_keeloq(
uint32_t frequency,
uint32_t serial,
uint8_t btn,
uint16_t cnt,
const char* name_sysmem) {
if(!furi_hal_region_is_frequency_allowed(frequency)) {
// TODO: Show friendly UI message if frequency is not allowed.
FURI_LOG_E(TAG, "Frequency %lu is not allowed in this region.", frequency);
return;
}
FURI_LOG_I(TAG, "Sending signal on frequency %lu", frequency);
// Populate the CC101 device list.
subghz_devices_init();
// Get the internal radio device.
const SubGhzDevice* device = subghz_devices_get_by_name(SUBGHZ_DEVICE_CC1101_INT_NAME);
// Get the Princeton SubGhzTransmitter (for decoding our file format).
SubGhzEnvironment* environment = load_environment();
subghz_environment_set_protocol_registry(environment, (void*)&subghz_protocol_registry);
SubGhzTransmitter* transmitter =
subghz_transmitter_alloc_init(environment, SUBGHZ_PROTOCOL_KEELOQ_NAME);
// Load the payload we want to send into flipper_format.
FlipperFormat* flipper_format = flipper_format_string_alloc();
SubGhzRadioPreset* preset = malloc(sizeof(SubGhzRadioPreset));
preset->frequency = frequency;
preset->name = furi_string_alloc();
furi_string_set(preset->name, "AM650");
preset->data = NULL;
preset->data_size = 0;
2023-09-03 00:42:39 +00:00
SubGhzProtocolEncoderBase* encoder = subghz_transmitter_get_protocol_instance(transmitter);
// sadly, in some firmware this has a Repeat of 100, which is too much for our purposes.
subghz_protocol_keeloq_create_data(
2023-09-03 00:42:39 +00:00
encoder, flipper_format, serial, btn, cnt, name_sysmem, preset);
// Fill out the SubGhzProtocolDecoderPrinceton (which includes SubGhzBlockGeneric data) in our transmitter based on parsing flipper_format.
// initance->encoder.upload[] gets filled out with duration and level information (You can think of this as the RAW data).
SubGhzProtocolStatus status = subghz_transmitter_deserialize(transmitter, flipper_format);
furi_assert(status == SubGhzProtocolStatusOk);
// Currently unused for internal radio, but good idea to still invoke it.
subghz_devices_begin(device);
// Initializes the CC1101 SPI bus
subghz_devices_reset(device);
// Use one of the presets in subghz_device_cc1101_int_interconnect_load_preset. If the first argument is FuriHalSubGhzPresetCustom, then the second argument is
// a custom register table (Reg, value, reg, value, ...,0, 0, PATable [0..7] entries).
subghz_devices_load_preset(device, FuriHalSubGhzPresetOok650Async, NULL);
// Set the frequency, RF switch path (band), calibrates the oscillator on the CC1101.
frequency = subghz_devices_set_frequency(device, frequency);
// Stop charging the battery while transmitting.
furi_hal_power_suppress_charge_enter();
// Start transmitting (keeps the DMA buffer filled with the encoder.upload[] data)
if(subghz_devices_start_async_tx(device, subghz_transmitter_yield, transmitter)) {
2023-09-03 00:42:39 +00:00
int max_counter = 10;
2023-09-03 00:45:28 +00:00
// Wait for the transmission to complete, or counter to expire (about 1 second).
2023-09-03 00:42:39 +00:00
while(max_counter-- && !(subghz_devices_is_async_complete_tx(device))) {
furi_delay_ms(100);
}
// Stop transmitting, debug log (tag="FuriHalSubGhz") the duty cycle information.
subghz_devices_stop_async_tx(device);
}
// clean up and shutdown cc1101
subghz_devices_sleep(device);
// also does a shutdown of cc1101
subghz_devices_end(device);
// remove the devices from the registry
subghz_devices_deinit();
// Allow the battery to charge again.
furi_hal_power_suppress_charge_exit();
// Free resources we allocated.
flipper_format_free(flipper_format);
subghz_transmitter_free(transmitter);
subghz_environment_free(environment);
}
void send_keeloq_count(uint32_t fix, uint32_t count, const char* name, uint32_t frequency) {
uint32_t serial = fix & 0x0FFFFFFF;
uint8_t btn = fix >> 28;
send_keeloq(frequency, serial, btn, count, name);
}