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Flipper/Applications/Official/source-OLDER/xMasterX/nrf24scan/nrf24scan.c

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//
// Written by vad7, 20.11.2022.
//
#include "nrf24scan.h"
#include <furi.h>
#include <furi_hal.h>
#include <gui/gui.h>
#include <dialogs/dialogs.h>
#include <input/input.h>
#include <stdlib.h>
#include <dolphin/dolphin.h>
#include <nrf24.h>
#include <u8g2.h>
#define TAG "nrf24scan"
#define VERSION "2.1"
#define MAX_CHANNEL 125
#define MAX_ADDR 6
#define SCAN_APP_PATH_FOLDER "/ext/nrf24scan"
#define SETTINGS_FILENAME "addresses.txt"// Settings file format (1 parameter per line):
// SNIFF - if present then sniff mode
// Rate: 0/1/2 - rate in Mbps (=0.25/1/2)
// Ch: 0..125 - default channel
// ESB: 0/1 (1 - Enhanced ShockBurst)
// DPL: 0/1 (1 - Dynamic Payload Length)
// CRC: 0/1/2 (CRC length)
// Payload: 1..32 (bytes)
// P0: address P0 in hex (5 byte, LSB last)
// P1: address P1 in hex (5 byte, LSB last)
// P2: address P2, LSB in hex (1 byte)
// P3: address P3, LSB in hex (1 byte)
// P4: address P4, LSB in hex (1 byte)
// P5: address P5, LSB in hex (1 byte)
// captured data:
// first byte = { RAW packet flag (0x80/0x00) } + { channel number }
// second byte = { Payload len 5 bits, 0 = 32 } + {{ RAW packet: ESB flag 0x04/0x00 + address size-2 if RAW packet } or { pipe #(0..5) }},
// ... up to MAX_LOG_RECORDS-1
#define SNIFF_FILENAME "sniff.txt" // settings for sniff mode
#define LOG_FILENAME "log"
#define LOG_FILEEXT ".txt"
#define MAX_LOG_RECORDS 200
#define MAX_FOUND_RECORDS 70
#define LOG_REC_SIZE 34 // max packet size
#define VIEW_LOG_MAX_X 22
#define VIEW_LOG_WIDTH_B 10 // bytes
const char SettingsFld_Rate[] = "Rate:";
const char SettingsFld_Ch[] = "Ch:";
const char SettingsFld_ESB[] = "ESB:";
const char SettingsFld_DPL[] = "DPL:";
const char SettingsFld_CRC[] = "CRC:";
const char SettingsFld_Payload[] = "Payload:";
const char SettingsFld_Sniff[] = "SNIFF";
char SettingsFld_Addr = 'P';
Nrf24Scan* APP;
uint8_t what_doing = 0; // 0 - setup, 1 - view log, 2 - view addresses
uint8_t what_to_do = 1; // 0 - view, 1 - view & sniff, 2 - view & read, 3 - view & read selected addr
uint8_t save_settings = 0;
char screen_buf[64];
char addr_file_name[32];
uint8_t NRF_rate = 2; // 0 - 250Kbps, 1 - 1Mbps, 2 - 2Mbps
uint8_t NRF_channel = 0;// 0..125
uint8_t NRF_ESB = 1; // 0 - ShockBurst, 1 - Enhanced ShockBurst
uint8_t NRF_DPL = 0; // 1 - Dynamic Payload Length
uint8_t NRF_CRC = 2; // 1 - No, 1 - CRC 1byte, 2 - CRC 2byte
uint8_t NRF_Payload = 32;// Payload len in bytes or Minimum payload in sniff mode, 0..32
uint8_t NRF_Payload_sniff_min = 0;
uint8_t NRF_AA_OFF = 0; // Disable Auto Acknowledgement
bool NRF_ERROR = 0;
struct ADDRS {
uint8_t addr_P0[5]; // MSB first
uint8_t addr_P1[5]; // MSB first
uint8_t addr_P2; // LSB only, MSB bytes equal addr_P1
uint8_t addr_P3; // LSB only, MSB bytes equal addr_P1
uint8_t addr_P4; // LSB only, MSB bytes equal addr_P1
uint8_t addr_P5; // LSB only, MSB bytes equal addr_P1
uint8_t addr_len; // 2..5
uint8_t addr_count;
};
struct ADDRS addrs;
struct ADDRS addrs_sniff;
bool sniff_loaded = 0;
int16_t found_total;
int16_t view_found;
int8_t log_to_file = 0; // 0 - no, 1 - yes(new), 2 - append, -1 - only clear
uint16_t log_arr_idx;
uint16_t view_log_arr_idx = 0;
uint16_t view_log_arr_x = 0;
bool save_to_new_log = true;
uint16_t last_packet_send = -1;
uint8_t last_packet_send_st = 0;
int16_t find_channel_period = 0; // sec
uint8_t menu_selected = 0;
uint32_t start_time;
uint8_t view_log_decode_PCF = 0; // view log: 1 - decode packet control field (9b) when ESB off. After pipe # (hex): <Payload len 6b><PID_2b+NO_ACK_1b>
uint8_t view_log_decode_CRC = 0; // CRC bytes - 1/2, 0 - none
#define menu_selected_max 5
enum {
Menu_open_file = 0,
Menu_enter_channel,
Menu_enter_rate,
Menu_enter_scan_period,
Menu_log,
Menu_ok
};
//#define MIN(a, b) ((a<b)?a:b)
static uint8_t GetHexVal(char hex) {
return (uint8_t)hex - ((uint8_t)hex < 58 ? 48 : ((uint8_t)hex < 97 ? 55 : 87));
}
// Return num bytes in array
static uint8_t ConvertHexToArray(char * hex, uint8_t * array, uint8_t maxlen) {
uint8_t len = 0;
while(maxlen) {
uint8_t ch = *hex++;
if(ch == 0) break;
if(ch < '0') continue;
*array++ = (GetHexVal(ch) << 4) + GetHexVal(*hex++);
len++;
maxlen--;
}
return len;
}
static void add_to_str_hex_bytes(char *out, char *arr, int bytes)
{
if(bytes <= 0) return;
out += strlen(out);
do {
snprintf(out, 3, "%02X", *arr++);
out += 2;
} while(--bytes);
}
static void add_to_furi_str_hex_bytes(FuriString* str, char *arr, int bytes)
{
if(!bytes) return;
do {
furi_string_cat_printf(str, "%02X", *arr++);
} while(--bytes);
}
static void add_to_str_hex_bytes_shift_9b(char *out, char *arr, int bytes)
{
if(bytes <= 0) return;
out += strlen(out);
arr++; // +8b
do {
snprintf(out, 4, "%02X", ((uint8_t)(*arr << 1)) | (*(arr+1) >> 7));
arr++;
out += 2;
} while(--bytes);
}
void clear_log()
{
log_arr_idx = 0;
view_log_arr_idx = 0;
last_packet_send = -1;
found_total = 0;
view_found = -1;
}
void write_to_log_file(Storage* storage, bool f_settings)
{
if(log_arr_idx == 0 && !f_settings) return;
Stream* file_stream = file_stream_alloc(storage);
FuriString* str = furi_string_alloc();
furi_string_set(str, SCAN_APP_PATH_FOLDER);
furi_string_cat(str, "/");
bool fl;
if(f_settings) {
furi_string_cat(str, SETTINGS_FILENAME);
fl = file_stream_open(file_stream, furi_string_get_cstr(str), FSAM_READ_WRITE, FSOM_CREATE_ALWAYS);
if(!fl) file_stream_close(file_stream);
} else {
furi_string_cat(str, LOG_FILENAME);
furi_string_cat(str, LOG_FILEEXT);
if(save_to_new_log) {
int cnt = 1;
do {
fl = file_stream_open(file_stream, furi_string_get_cstr(str), FSAM_READ_WRITE, FSOM_CREATE_NEW);
if(fl) break;
file_stream_close(file_stream);
furi_string_set(str, SCAN_APP_PATH_FOLDER);
furi_string_cat(str, "/");
furi_string_cat(str, LOG_FILENAME);
furi_string_cat_printf(str, "-%02d", cnt);
furi_string_cat(str, LOG_FILEEXT);
} while(++cnt < 100);
if(!fl) {
FURI_LOG_E(TAG, "Failed to create new log file");
notification_message(APP->notification, &sequence_blink_red_100);
}
} else {
fl = file_stream_open(file_stream, furi_string_get_cstr(str), FSAM_READ_WRITE, FSOM_OPEN_APPEND);
if(fl) {
if(stream_size(file_stream) == 0) save_to_new_log = true;
} else file_stream_close(file_stream);
}
}
if(fl) {
FURI_LOG_D(TAG, "Save to %s", furi_string_get_cstr(str));
if(save_to_new_log || f_settings) {
if(what_to_do == 1) furi_string_printf(str, "%s\n", SettingsFld_Sniff); else furi_string_reset(str);
furi_string_cat_printf(str, "%s %d\n%s %d\n%s %d\n", SettingsFld_Rate, NRF_rate, SettingsFld_Ch, NRF_channel, SettingsFld_ESB, NRF_ESB);
furi_string_cat_printf(str, "%s %d\n%s %d\n%s %d\n", SettingsFld_DPL, NRF_DPL, SettingsFld_CRC, NRF_CRC, SettingsFld_Payload, what_to_do == 1 ? NRF_Payload_sniff_min : NRF_Payload);
if(addrs.addr_count > 0) { furi_string_cat_printf(str, "P0: "); add_to_furi_str_hex_bytes(str, (char*)addrs.addr_P0, addrs.addr_len); furi_string_cat(str, "\n"); }
if(addrs.addr_count > 1) { furi_string_cat_printf(str, "P1: "); add_to_furi_str_hex_bytes(str, (char*)addrs.addr_P1, addrs.addr_len); furi_string_cat(str, "\n"); }
if(addrs.addr_count > 2) { furi_string_cat_printf(str, "P2: "); furi_string_cat_printf(str, "%02X\n", addrs.addr_P2); }
if(addrs.addr_count > 3) { furi_string_cat_printf(str, "P3: "); furi_string_cat_printf(str, "%02X\n", addrs.addr_P3); }
if(addrs.addr_count > 4) { furi_string_cat_printf(str, "P4: "); furi_string_cat_printf(str, "%02X\n", addrs.addr_P4); }
if(addrs.addr_count > 5) { furi_string_cat_printf(str, "P5: "); furi_string_cat_printf(str, "%02X\n", addrs.addr_P5); }
if(!(fl = stream_write_string(file_stream, str) == furi_string_size(str))) {
FURI_LOG_E(TAG, "Failed to write header to file!");
notification_message(APP->notification, &sequence_blink_red_100);
}
}
if(fl) {
if(f_settings) {
save_settings = 0;
if(strcmp(addr_file_name, "NONE") == 0) strcpy(addr_file_name, SETTINGS_FILENAME);
} else {
int i = 0;
for(; i < log_arr_idx; i++) {
furi_string_reset(str);
uint8_t *ptr = APP->log_arr + i * LOG_REC_SIZE;
int len;
if(ptr[0] & 0x80) { // RAW
len = (ptr[1] & 0b11)+2 + ((ptr[1] & 0b100) ? 2 : 0) + (ptr[1] >> 3) + 2; // addr + PCF? + payload + crcmax
} else {
len = (ptr[1] >> 3);
if(len == 0) len = 32;
}
//if(len < NRF_Payload) len = NRF_Payload;
add_to_furi_str_hex_bytes(str, (char*)ptr, len + 2);
furi_string_cat(str, "\n");
if(stream_write_string(file_stream, str) != furi_string_size(str)) {
FURI_LOG_E(TAG, "Failed to write to file!");
break;
}
}
if(i == log_arr_idx) {
notification_message(APP->notification, &sequence_blink_yellow_100);
FURI_LOG_D(TAG, "File saved");
}
save_to_new_log = false;
}
}
file_stream_close(file_stream);
} else {
FURI_LOG_E(TAG, "Failed to open file %s", furi_string_get_cstr(str));
notification_message(APP->notification, &sequence_blink_red_100);
}
stream_free(file_stream);
furi_string_free(str);
}
static bool select_settings_file(Stream* stream) {
DialogsApp* dialogs = furi_record_open("dialogs");
bool result = false;
FuriString* path;
path = furi_string_alloc();
furi_string_set(path, SCAN_APP_PATH_FOLDER);
DialogsFileBrowserOptions browser_options;
dialog_file_browser_set_basic_options(&browser_options, ".txt", NULL);
browser_options.hide_ext = false;
bool ret = dialog_file_browser_show(dialogs, path, path, &browser_options);
furi_record_close("dialogs");
if(ret) {
if(!file_stream_open(stream, furi_string_get_cstr(path), FSAM_READ, FSOM_OPEN_EXISTING)) {
FURI_LOG_D(TAG, "Cannot open file \"%s\"", furi_string_get_cstr(path));
file_stream_close(stream);
} else {
FURI_LOG_D(TAG, "Open file \"%s\"", furi_string_get_cstr(path));
strncpy(addr_file_name, furi_string_get_cstr(path) + sizeof(SCAN_APP_PATH_FOLDER), sizeof(addr_file_name));
result = true;
}
}
furi_string_free(path);
return result;
}
// 0 - success, otherwise an error
static uint8_t load_settings_file(Stream* file_stream) {
size_t file_size = 0;
char* file_buf;
uint8_t err = 5;
file_size = stream_size(file_stream);
if(file_size == (size_t)0) {
FURI_LOG_D(TAG, "load failed. file_size: %d", file_size);
return 1;
}
file_size = MIN(file_size, (size_t) LOG_REC_SIZE * MAX_LOG_RECORDS * 2 + 100);
file_buf = malloc(file_size + 1);
if(file_buf == NULL) {
FURI_LOG_D(TAG, "Memory low, need: %d", file_size);
return 2;
}
memset(file_buf, 0, file_size + 1);
if(stream_read(file_stream, (uint8_t*)file_buf, file_size) == file_size) {
FURI_LOG_D(TAG, "Loading settings file");
char* line_ptr = file_buf;
int16_t line_num = 0;
what_to_do = 2;
sniff_loaded = 0;
bool log_loaded = false;
while(line_ptr && (size_t)(line_ptr - file_buf) < file_size) {
char* end_ptr = strstr((char*)line_ptr, "\n");
if(end_ptr == NULL) end_ptr = file_buf + file_size; else *end_ptr = '\0';
int line_len = end_ptr - line_ptr;
if(*line_ptr == '\r' || line_len == 0) {
line_ptr = end_ptr + 1;
continue;
}
if(*(end_ptr - 1) < '0') {
*(end_ptr - 1) = '\0';
line_len--;
}
//FURI_LOG_D(TAG, " L#%d: [%d]%s", line_num, line_len, line_ptr);
if(strncmp(line_ptr, SettingsFld_Rate, sizeof(SettingsFld_Rate)-1) == 0) {
NRF_rate = atoi(line_ptr + sizeof(SettingsFld_Rate));
} else if(strncmp(line_ptr, SettingsFld_Ch, sizeof(SettingsFld_Ch)-1) == 0) {
NRF_channel = atoi(line_ptr + sizeof(SettingsFld_Ch));
} else if(strncmp(line_ptr, SettingsFld_ESB, sizeof(SettingsFld_ESB)-1) == 0) {
NRF_ESB = atoi(line_ptr + sizeof(SettingsFld_ESB));
} else if(strncmp(line_ptr, SettingsFld_DPL, sizeof(SettingsFld_DPL)-1) == 0) {
NRF_DPL = atoi(line_ptr + sizeof(SettingsFld_DPL));
} else if(strncmp(line_ptr, SettingsFld_CRC, sizeof(SettingsFld_CRC)-1) == 0) {
NRF_CRC = atoi(line_ptr + sizeof(SettingsFld_CRC));
if(what_to_do == 1) view_log_decode_CRC = NRF_CRC;
} else if(strncmp(line_ptr, SettingsFld_Payload, sizeof(SettingsFld_Payload)-1) == 0) {
uint8_t pld = atoi(line_ptr + sizeof(SettingsFld_Payload));
if(pld > 32) pld = 32;
if(sniff_loaded) {
NRF_Payload_sniff_min = pld;
} else {
if(pld == 0) pld = 32;
NRF_Payload = pld;
}
} else if(strncmp(line_ptr, SettingsFld_Sniff, sizeof(SettingsFld_Sniff)-1) == 0) {
what_to_do = 1;
sniff_loaded = 1;
} else if(*line_ptr == SettingsFld_Addr) {
char a = *(++line_ptr);
struct ADDRS *adr = sniff_loaded ? &addrs_sniff : &addrs;
line_ptr += 3;
switch(a) {
case '0':
memset(adr, 0, sizeof(addrs));
adr->addr_len = ConvertHexToArray(line_ptr, adr->addr_P0, sniff_loaded ? 3 : 5);
if(adr->addr_len >= 2) err = 0;
break;
case '1':
ConvertHexToArray(line_ptr, adr->addr_P1, what_to_do == 1 ? 3 : 5);
break;
case '2':
ConvertHexToArray(line_ptr, &adr->addr_P2, 1);
break;
case '3':
ConvertHexToArray(line_ptr, &adr->addr_P3, 1);
break;
case '4':
ConvertHexToArray(line_ptr, &adr->addr_P4, 1);
break;
case '5':
ConvertHexToArray(line_ptr, &adr->addr_P5, 1);
break;
default:
a = 0;
break;
}
if(err == 0 && a) adr->addr_count = a - '0' + 1;
} else if(line_len >= 3 * 2) { // data
if(!log_loaded) {
log_loaded = true;
clear_log();
what_to_do = 0;
}
if(log_arr_idx < MAX_LOG_RECORDS - 1) {
if(ConvertHexToArray(line_ptr, APP->log_arr + log_arr_idx * LOG_REC_SIZE, LOG_REC_SIZE) > 0) err = 0;
log_arr_idx++;
}
}
line_ptr = end_ptr + 1;
line_num++;
}
} else {
FURI_LOG_D(TAG, "load failed. file size: %d", file_size);
err = 4;
}
free(file_buf);
return err;
}
static void input_callback(InputEvent* input_event, FuriMessageQueue* event_queue) {
furi_assert(event_queue);
PluginEvent event = {.type = EventTypeKey, .input = *input_event};
furi_message_queue_put(event_queue, &event, FuriWaitForever);
}
void check_add_addr(uint8_t *pkt)
{
if(addrs.addr_count > 0 && memcmp(addrs.addr_P0, pkt, addrs.addr_len) == 0) return;
if(addrs.addr_count > 1 && memcmp(addrs.addr_P1, pkt, addrs.addr_len - 1) == 0) {
if(addrs.addr_P1[addrs.addr_len - 1] == pkt[addrs.addr_len - 1]) return;
if(addrs.addr_count > 2 && addrs.addr_P2 == pkt[addrs.addr_len - 1]) return;
if(addrs.addr_count > 3 && addrs.addr_P3 == pkt[addrs.addr_len - 1]) return;
if(addrs.addr_count > 4 && addrs.addr_P4 == pkt[addrs.addr_len - 1]) return;
if(addrs.addr_count > 5 && addrs.addr_P5 == pkt[addrs.addr_len - 1]) return;
}
if(addrs.addr_count == 1) memcpy(addrs.addr_P1, pkt, addrs.addr_len);
else if(addrs.addr_count == 2) addrs.addr_P2 = pkt[addrs.addr_len - 1];
else if(addrs.addr_count == 3) addrs.addr_P3 = pkt[addrs.addr_len - 1];
else if(addrs.addr_count == 4) addrs.addr_P4 = pkt[addrs.addr_len - 1];
else if(addrs.addr_count == 5) addrs.addr_P5 = pkt[addrs.addr_len - 1];
addrs.addr_count++;
}
static void prepare_nrf24(bool fsend_packet)
{
nrf24_write_reg(nrf24_HANDLE, REG_STATUS, 0x70); // clear interrupts
nrf24_write_reg(nrf24_HANDLE, REG_RF_SETUP, NRF_rate);
uint8_t erx_addr = (1<<0); // Enable RX_P0
struct ADDRS *adr = what_to_do == 1 ? &addrs_sniff : &addrs;
if(!fsend_packet) {
uint8_t payload = NRF_Payload;
uint8_t *rec = APP->log_arr + view_log_arr_idx * LOG_REC_SIZE;
uint8_t addr_size = (*(rec + 1) & 0b11) + 2;
bool setup_from_log = false;
if(what_to_do >= 2) {
if(log_arr_idx && (*rec & 0x80)) {
setup_from_log = true;
memcpy(addrs.addr_P0, rec + 2, addr_size);
addrs.addr_count = 1;
addrs.addr_len = addr_size;
payload = *(rec + 1) >> 3;
if(what_to_do == 2) {
uint8_t *p = APP->log_arr + 2;
int16_t i = 0;
for(i = 0; i < log_arr_idx; i++, p += LOG_REC_SIZE) {
if((*(p - 2) & 0x80) && (*(p - 1) & 0b11) + 2 == addr_size && rec + 2 != p) {
if(memcmp(p, addrs.addr_P0, addr_size - 1) == 0) {
check_add_addr(p);
if(addrs.addr_count >= 6) break;
}
}
}
}
}
}
if(what_to_do == 1) { // SNIFF
payload = 32;
nrf24_write_reg(nrf24_HANDLE, REG_CONFIG, 0x70); // Mask all interrupts, NO CRC
nrf24_write_reg(nrf24_HANDLE, REG_SETUP_RETR, 0); // Automatic Retransmission
nrf24_write_reg(nrf24_HANDLE, REG_EN_AA, 0); // Auto acknowledgement
nrf24_write_reg(nrf24_HANDLE, REG_FEATURE, 0); // Enables the W_TX_PAYLOAD_NOACK command, Disable Payload with ACK, set Dynamic Payload
nrf24_write_reg(nrf24_HANDLE, REG_RF_CH, NRF_channel);
} else if(setup_from_log) { // Scan
nrf24_write_reg(nrf24_HANDLE, REG_CONFIG, 0x70 | ((NRF_CRC == 1 ? 0b1000 : NRF_CRC == 2 ? 0b1100 : 0))); // Mask all interrupts
nrf24_write_reg(nrf24_HANDLE, REG_RF_CH, *rec & 0x7F);
nrf24_write_reg(nrf24_HANDLE, REG_FEATURE, *(rec + 2 + addr_size) >> 2 != 0x33 ? 4+1 : 1); // Enables the W_TX_PAYLOAD_NOACK command, Disable Payload with ACK, set Dynamic Payload
if(*(rec + 1) & 0b100) { // ESB
nrf24_write_reg(nrf24_HANDLE, REG_SETUP_RETR, 0x01); // Automatic Retransmission
nrf24_write_reg(nrf24_HANDLE, REG_EN_AA, 0x3F); // Auto acknowledgement
} else {
nrf24_write_reg(nrf24_HANDLE, REG_SETUP_RETR, 0); // Automatic Retransmission
nrf24_write_reg(nrf24_HANDLE, REG_EN_AA, 0); // Auto acknowledgement
}
} else {
nrf24_write_reg(nrf24_HANDLE, REG_CONFIG, 0x70 | ((NRF_CRC == 1 ? 0b1000 : NRF_CRC == 2 ? 0b1100 : 0))); // Mask all interrupts
nrf24_write_reg(nrf24_HANDLE, REG_SETUP_RETR, NRF_ESB ? 0x01 : 0); // Automatic Retransmission
nrf24_write_reg(nrf24_HANDLE, REG_EN_AA, NRF_AA_OFF || !NRF_ESB ? 0 : 0x3F); // Auto acknowledgement
nrf24_write_reg(nrf24_HANDLE, REG_FEATURE, NRF_DPL ? 4+1 : 1); // Enables the W_TX_PAYLOAD_NOACK command, Disable Payload with ACK, set Dynamic Payload
nrf24_write_reg(nrf24_HANDLE, REG_DYNPD, NRF_DPL ? 0x3F : 0); // Enable dynamic payload reg
nrf24_write_reg(nrf24_HANDLE, REG_RF_CH, NRF_channel);
}
if(adr->addr_count == 0) return;
nrf24_write_reg(nrf24_HANDLE, RX_PW_P0, payload);
nrf24_set_maclen(nrf24_HANDLE, adr->addr_len);
nrf24_set_mac(REG_RX_ADDR_P0, adr->addr_P0, adr->addr_len);
uint8_t tmp[5] = { 0 };
nrf24_read_reg(nrf24_HANDLE, REG_RX_ADDR_P0, tmp, adr->addr_len);
for(uint8_t i = 0; i < adr->addr_len / 2; i++) {
uint8_t tb = tmp[i];
tmp[i] = tmp[adr->addr_len - i - 1];
tmp[adr->addr_len - i - 1] = tb;
}
NRF_ERROR = memcmp(adr->addr_P0, tmp, adr->addr_len) != 0;
FURI_LOG_D(TAG, "Payload: %d", payload);
nrf24_write_reg(nrf24_HANDLE, RX_PW_P0, payload);
if(adr->addr_count > 1) {
nrf24_set_mac(REG_RX_ADDR_P1, adr->addr_P1, adr->addr_len);
nrf24_write_reg(nrf24_HANDLE, RX_PW_P1, payload);
erx_addr |= (1<<1); // Enable RX_P1
} else nrf24_write_reg(nrf24_HANDLE, RX_PW_P1, 0);
if(adr->addr_count > 2) {
nrf24_write_buf_reg(nrf24_HANDLE, REG_RX_ADDR_P2, &adr->addr_P2, 1);
nrf24_write_reg(nrf24_HANDLE, RX_PW_P2, payload);
erx_addr |= (1<<2); // Enable RX_P2
} else nrf24_write_reg(nrf24_HANDLE, RX_PW_P2, 0);
if(adr->addr_count > 3) {
nrf24_write_buf_reg(nrf24_HANDLE, REG_RX_ADDR_P3, &adr->addr_P3, 1);
nrf24_write_reg(nrf24_HANDLE, RX_PW_P3, payload);
erx_addr |= (1<<3); // Enable RX_P3
} else nrf24_write_reg(nrf24_HANDLE, RX_PW_P3, 0);
if(adr->addr_count > 4) {
nrf24_write_buf_reg(nrf24_HANDLE, REG_RX_ADDR_P4, &adr->addr_P4, 1);
nrf24_write_reg(nrf24_HANDLE, RX_PW_P4, payload);
erx_addr |= (1<<4); // Enable RX_P4
} else nrf24_write_reg(nrf24_HANDLE, RX_PW_P4, 0);
if(adr->addr_count > 5) {
nrf24_write_buf_reg(nrf24_HANDLE, REG_RX_ADDR_P5, &adr->addr_P5, 1);
nrf24_write_reg(nrf24_HANDLE, RX_PW_P5, payload);
erx_addr |= (1<<5); // Enable RX_P5
} else nrf24_write_reg(nrf24_HANDLE, RX_PW_P5, 0);
nrf24_write_reg(nrf24_HANDLE, REG_EN_RXADDR, erx_addr);
}
nrf24_flush_rx(nrf24_HANDLE);
nrf24_flush_tx(nrf24_HANDLE);
nrf24_set_idle(nrf24_HANDLE);
}
void correct_NRF_Payload_sniff_min()
{
uint8_t pld = 32 - 3 - (NRF_ESB ? 2 : 0) - NRF_CRC + (addrs_sniff.addr_len - 2);
if(NRF_Payload_sniff_min > pld) NRF_Payload_sniff_min = pld;
}
static void start_scanning()
{
FURI_LOG_D(TAG, "Start proc-%d: Ch=%d Rate=%d", what_to_do, NRF_channel, NRF_rate);
if(what_to_do == 1) { // SNIFF
correct_NRF_Payload_sniff_min();
view_log_decode_CRC = NRF_CRC;
} else if(sniff_loaded) { // Switch from sniff to scan/view
// to do...
}
prepare_nrf24(false);
if(NRF_ERROR) {
FURI_LOG_E(TAG, "NRF R/W ERROR!");
return;
}
nrf24_set_rx_mode(nrf24_HANDLE);
start_time = furi_get_tick();
}
// start bitnum = 7
uint32_t calc_crc(uint32_t crc, uint8_t *ptr, uint8_t bitnum, uint16_t bits)
{
//uint8_t bitnum = 7;
uint32_t crc_high, polynom;
if(view_log_decode_CRC == 2) {
crc_high = (1<<16);
polynom = 0x1021; // X^16+X^12+X^5+1 => 0x11021 & 0xFFFF = 0x1021
} else {
crc_high = (1<<8);
polynom = 0x07; // x^8+x^2+x^1+1 => 0x107 & 0xFF = 0x07
}
while(bits--) {
crc <<= 1;
if(((crc & crc_high) != 0) ^ ((*ptr >> bitnum) & 1)) crc ^= polynom;
if(bitnum == 0) {
ptr++;
bitnum = 7;
} else bitnum--;
}
return crc & (view_log_decode_CRC == 2 ? 0xFFFF : 0xFF);
}
// shifted 1 bit right
uint32_t get_shifted_crc(uint8_t *pcrc)
{
uint32_t crc = ((*pcrc << 1) & 0xFF) | (*(pcrc+1) >> 7);
if(view_log_decode_CRC == 2) {
crc = (crc << 8) | ((*(pcrc+1) << 1) & 0xFF) | (*(pcrc+2) >> 7);
}
return crc;
}
bool check_packet(uint8_t *pkt, uint16_t size)
{
if(size < 3 || size > 32) return false;
uint8_t b = *pkt;
if(b == 0x55 || b == 0xAA || b == 0x00 || b == 0xFF) return false; // skip pkt when address begin with
uint32_t prevcrc = 0xFFFFFFFF;
bool found = false;
uint8_t addr_size = 3;
for(; addr_size <= 5; addr_size++) {
if(NRF_ESB){
uint8_t _payload = *(pkt + addr_size) >> 2;
if((_payload > size - addr_size - 2 - view_log_decode_CRC && _payload != 0x33)) continue;
uint8_t *p = pkt + addr_size;
if(prevcrc == 0xFFFFFFFF) {
prevcrc = calc_crc(view_log_decode_CRC == 2 ? 0xFFFF : 0xFF, pkt, 7, 3 * 8); // crc for smallest addr
}
uint32_t crc;
if(addr_size > 3) crc = calc_crc(prevcrc, p - (addr_size - 3), 7, 8 * (addr_size - 3)); else crc = prevcrc;
if(_payload != 0x33) { // DPL
crc = calc_crc(crc, p, 7, 9 + _payload * 8);
if(crc == get_shifted_crc(p + _payload + 1)) {
*(pkt - 1) = ((_payload & 0x1F) << 3) + 0b100 + (addr_size - 2);
FURI_LOG_D(TAG, "VALID CRC %X: dpl: %d, addr: %d", (uint16_t)crc, _payload, addr_size);
found = true;
break;
}
} else {
crc = calc_crc(crc, p++, 7, 9); // PCF
if(crc == get_shifted_crc(p)) {
_payload = 0;
found = true;
} else {
for(uint8_t i = 1; i < size - addr_size - view_log_decode_CRC; i++) {
crc = calc_crc(crc, p++, 6, 8);
if(crc == get_shifted_crc(p)) {
_payload = i;
found = true;
break;
}
}
}
if(found) {
*(pkt - 1) = ((_payload & 0x1F) << 3) + 0b100 + (addr_size - 2);
FURI_LOG_D(TAG, "VALID CRC %X: pl: %d, addr: %d", (uint16_t)crc, _payload, addr_size);
break;
}
}
} else {
uint8_t *p;
if(addr_size == 3) {
prevcrc = calc_crc(view_log_decode_CRC == 2 ? 0xFFFF : 0xFF, pkt, 7, 3 * 8); // crc for smallest addr
p = pkt + addr_size;
} else {
p = pkt + addr_size - 1;
prevcrc = calc_crc(prevcrc, p++, 7, 8);
}
uint32_t crc = prevcrc;
if((view_log_decode_CRC == 1 && crc == *p) || (view_log_decode_CRC == 2 && crc == (uint32_t)((*p<<8) | *(p+1)))) {
*(pkt - 1) = ((0 & 0x1F) << 3) + 0b000 + (addr_size - 2);
FURI_LOG_D(TAG, "VALID CRC %X: pl: %d, addr: %d", (uint16_t)crc, 0, addr_size);
found = true;
break;
}
for(uint8_t i = 1; i <= size - addr_size - view_log_decode_CRC; i++) {
crc = calc_crc(crc, p++, 7, 8);
if((view_log_decode_CRC == 1 && crc == *p) || (view_log_decode_CRC == 2 && crc == (uint32_t)((*p<<8) | *(p+1)))) {
*(pkt - 1) = ((i & 0x1F) << 3) + 0b000 + (addr_size - 2);
FURI_LOG_D(TAG, "VALID CRC %X: pl: %d, addr: %d", (uint16_t)crc, i, addr_size);
found = true;
break;
}
}
if(found) break;
}
}
if(found) {
if(furi_log_get_level() == FuriLogLevelDebug) {
char dbuf[65];
dbuf[0] = 0;
add_to_str_hex_bytes(dbuf, (char*)pkt, size);
FURI_LOG_D(TAG, "PKT%02X: %s (%d)", *(pkt - 1), dbuf, size);
}
int16_t i = 0;
for(; i < found_total; i++) {
if(APP->found[i].addr_size != addr_size) continue;
if(memcmp(APP->found[i].addr, pkt, addr_size) == 0) break;
}
if(i != found_total) { // found
APP->found[i].total++;
} else {
uint8_t *p = APP->log_arr + 2;
for(i = 0; i < log_arr_idx; i++, p += LOG_REC_SIZE) {
if((*(p - 2) & 0x80) && (*(p - 1) & 0b11) + 2 == addr_size && pkt != p) {
if(memcmp(p, pkt, addr_size) == 0) break;
}
}
if(i != log_arr_idx && found_total < MAX_FOUND_RECORDS) { // found -> 2
memset(&APP->found[found_total], 0, sizeof(struct FOUND));
memcpy(APP->found[found_total].addr, pkt, addr_size);
APP->found[found_total].addr_size = addr_size;
APP->found[found_total].total = 2;
if(found_total == 0) view_found = 0;
found_total++;
}
}
}
return found;
}
bool nrf24_read_newpacket() {
if(APP->log_arr == NULL) return false;
bool found = false;
uint8_t packetsize;
uint8_t *ptr = APP->log_arr + log_arr_idx * LOG_REC_SIZE;
uint8_t st;
/* test pkts
static int iii = 0;
char ppp[][65] = { "54A545109411544BAAE50110A3282512A9A1152A565B22AAA48AB751A5",
"C8C8C0CE7A81018007202FFFFC",
"EAEC8C8C2CE3C0101006FB737A",
"BEBFFFEC8C8C1CC00542AF7CFF7DBEAFE3397FEAFEF1DDFA4AEF7FDBB7CDEABC",
"FEAAAABEAAFEAAC8C8C28E1C810080490ABAF7FEEB76B7FDFEF7DFFB47FB97FE",
"A8AAC8C8C1CE20163DF7DFFD00",
"AFFEEFEC8C8C2CE4001010062F037F9BFFDF1DAD5EDBEF55DD9AB535FCB67F55",
"AC8C8C1CE5F8102000D503D7ABF",
"EE03080B4712555555550E80",
"C8C8C41385818280127100",
"AAC8C8C3CE05818280119000"
"AC8C8C413858182801271000",
"AAC8C8C40B0305028542"
};
if(iii < 13) {
ConvertHexToArray(ppp[iii], ptr + 2, 32);
st = RX_DR;
packetsize = 32;
iii++;
} else
//*/
st = nrf24_rxpacket(nrf24_HANDLE, ptr + 2 + (what_to_do == 1 ? addrs_sniff.addr_len - 2 : 0), &packetsize, what_to_do == 1 ? 32 : !NRF_DPL);
if(st & RX_DR) {
st = (st >> 1) & 7; // pipe #
if(what_to_do == 1) { // SNIFF
*ptr++ = NRF_channel | 0x80;
*ptr++ = st; // pipe #
if(addrs_sniff.addr_len > 2) {
*ptr = st == 0 ? addrs_sniff.addr_P0[2] : st == 1 ? addrs_sniff.addr_P1[2] : st == 2 ? addrs_sniff.addr_P2 : st == 3 ? addrs_sniff.addr_P3 : st == 4 ? addrs_sniff.addr_P4 : addrs_sniff.addr_P5;
}
if(!check_packet(ptr, packetsize)) {
if(addrs_sniff.addr_len > 2) return false; // skip if mac MSB added to preamble
uint8_t shifted = 0;
uint8_t shift_max = (32 - 3 - NRF_Payload_sniff_min - NRF_CRC) * 8 - 1;
while(shifted++ < shift_max) { // Shift packet left by one bit if minimum payload fits
uint8_t i = 0;
for(; i < packetsize - 1; i++) ptr[i] = (ptr[i] << 1) | (ptr[i + 1] >> 7);
ptr[i] <<= 1;
if(check_packet(ptr, packetsize - (shifted >> 3) - 1)) goto x_valid;
}
return false;
}
} else {
*ptr++ = NRF_channel;
*ptr++ = ((packetsize & 0x1F) << 3) | st; // payload size + pipe #
}
x_valid:
if(packetsize < 32) memset(ptr + packetsize, 0, 32 - packetsize);
if(log_arr_idx < MAX_LOG_RECORDS - 1) {
log_arr_idx++;
} else {
if(log_to_file == 1 || log_to_file == 2) {
write_to_log_file(APP->storage, false);
clear_log();
} else {
memmove(APP->log_arr, APP->log_arr + LOG_REC_SIZE, log_arr_idx * LOG_REC_SIZE);
}
}
FURI_LOG_D(TAG, "Found packet #%d pipe %d", log_arr_idx, st);
notification_message(APP->notification, &sequence_blink_white_100);
found = true;
}
return found;
}
bool nrf24_send_packet()
{
if(log_arr_idx == 0) return false;
prepare_nrf24(!what_to_do);
uint8_t *ptr = APP->log_arr + view_log_arr_idx * LOG_REC_SIZE;
nrf24_write_reg(nrf24_HANDLE, REG_RF_CH, *ptr & 0x7F);
if(*ptr & 0x80) { // RAW packet
//uint8_t pktinfo = *(ptr + 1);
//nrf24_set_maclen(nrf24_HANDLE, (pktinfo & 0b11) + 2);
//if(pktinfo & 0b100) { // ESB
nrf24_write_reg(nrf24_HANDLE, REG_SETUP_RETR, 0); // No Automatic Retransmission
nrf24_write_reg(nrf24_HANDLE, REG_EN_AA, 0); // No Auto acknowledgement
//}
//uint8_t alen = (*(ptr + 2) & 0b11) + 2;
uint8_t adr[2];
adr[0] = ptr[2];
adr[1] = ptr[3];
nrf24_set_maclen(nrf24_HANDLE, 2);
nrf24_set_mac(REG_RX_ADDR_P0, adr, 2);
nrf24_set_mac(REG_TX_ADDR, adr, 2);
last_packet_send_st = nrf24_txpacket(nrf24_HANDLE, ptr + 2 + 2, 32 - 2, false);
} else {
nrf24_write_reg(nrf24_HANDLE, REG_SETUP_RETR, NRF_ESB ? 0x11 : 0); // Automatic Retransmission
nrf24_write_reg(nrf24_HANDLE, REG_EN_AA, NRF_AA_OFF || !NRF_ESB ? 0 : 0x3F); // Auto acknowledgement
uint8_t *adr;
uint8_t a = *(ptr + 1) & 0b111;
if(a < 2) {
if(a == 0) adr = addrs.addr_P0; else adr = addrs.addr_P1;
nrf24_set_mac(REG_RX_ADDR_P0, adr, addrs.addr_len);
nrf24_set_mac(REG_TX_ADDR, adr, addrs.addr_len);
} else {
uint8_t buf[5];
memcpy(buf, addrs.addr_P1, addrs.addr_len - 1);
buf[addrs.addr_len - 1] = a == 2 ? addrs.addr_P2 : a == 3 ? addrs.addr_P3 : a == 4 ? addrs.addr_P4 : addrs.addr_P5;
nrf24_set_mac(REG_RX_ADDR_P0, buf, addrs.addr_len);
nrf24_set_mac(REG_TX_ADDR, buf, addrs.addr_len);
}
a = *(ptr + 1) >> 3;
if(a == 0) a = 32;
nrf24_write_reg(nrf24_HANDLE, REG_CONFIG, 0x70 | ((NRF_CRC == 1 ? 0b1000 : NRF_CRC == 2 ? 0b1100 : 0))); // Mask all interrupts
nrf24_write_reg(nrf24_HANDLE, REG_DYNPD, NRF_DPL ? 0x3F : 0); // Enable dynamic payload reg
last_packet_send_st = nrf24_txpacket(nrf24_HANDLE, ptr + 2, a, false);
}
last_packet_send = view_log_arr_idx;
notification_message(APP->notification, last_packet_send_st ? &sequence_blink_blue_100 : &sequence_blink_red_100);
if(what_to_do) start_scanning();
return last_packet_send_st;
}
static void render_callback(Canvas* const canvas, void* ctx) {
const PluginState* plugin_state = acquire_mutex((ValueMutex*)ctx, 25);
if(plugin_state == NULL) return;
//canvas_draw_frame(canvas, 0, 0, 128, 64); // border around the edge of the screen
if(what_doing == 0) {
canvas_set_font(canvas, FontSecondary); // 8x10 font, 6 lines
if(save_settings) snprintf(screen_buf, sizeof(screen_buf), "Save: %s", SETTINGS_FILENAME); // menu_selected = 0
else snprintf(screen_buf, sizeof(screen_buf), "Load: %s", addr_file_name);
canvas_draw_str(canvas, 10, 10, screen_buf);
snprintf(screen_buf, sizeof(screen_buf), "Ch: %d", NRF_channel); // menu_selected = 1
canvas_draw_str(canvas, 10, 20, screen_buf);
if(NRF_ESB) {
strcpy(screen_buf, "ESB");
if(NRF_DPL) strcat(screen_buf, " DPL");
canvas_draw_str(canvas, 78, 20, screen_buf);
}
if(NRF_AA_OFF) { canvas_draw_str(canvas, 61, 20, "AA"); canvas_draw_line(canvas, 60, 21, 72, 12); }
snprintf(screen_buf, sizeof(screen_buf), "Rate: %sbps", NRF_rate == 2 ? "2M" : NRF_rate == 1 ? "1M" : "250K"); // menu_selected = 2
canvas_draw_str(canvas, 10, 30, screen_buf);
if(what_to_do == 1) snprintf(screen_buf, sizeof(screen_buf), "Min Payl: %d", NRF_Payload_sniff_min);
else if(what_to_do >= 2) {
uint8_t *p = APP->log_arr + view_log_arr_idx * LOG_REC_SIZE;
snprintf(screen_buf, sizeof(screen_buf), "Payload: %d", log_arr_idx && (*p & 0x80) ? *(p + 1) >> 3 : NRF_Payload);
} else snprintf(screen_buf, sizeof(screen_buf), "Payload: %d", NRF_Payload);
canvas_draw_str(canvas, 78, 30, screen_buf);
strcpy(screen_buf, "Next Ch time: "); // menu_selected = 3
if(find_channel_period == 0) strcat(screen_buf, "off"); else snprintf(screen_buf + strlen(screen_buf), sizeof(screen_buf), "%d s", find_channel_period);
canvas_draw_str(canvas, 10, 40, screen_buf);
if(NRF_CRC == 1) canvas_draw_str(canvas, 99, 40, "CRC1");
else if(NRF_CRC == 2) canvas_draw_str(canvas, 99, 40, "CRC2");
snprintf(screen_buf, sizeof(screen_buf), "Log: %s", log_to_file == 0 ? "No" : log_to_file == 1 ? "Yes" : log_to_file == 2 ? "Append" : "Clear");// menu_selected = 4
canvas_draw_str(canvas, 10, 50, screen_buf);
if(what_to_do) { // menu_selected = 5
if(NRF_ERROR) snprintf(screen_buf, sizeof(screen_buf), "nRF24L01+ r/w ERROR!");
else {
if(what_to_do == 1) snprintf(screen_buf, sizeof(screen_buf), "Start sniff");
else {
uint8_t *p = APP->log_arr + view_log_arr_idx * LOG_REC_SIZE;
if(log_arr_idx && (*p & 0x80)) { // +RAW
snprintf(screen_buf, sizeof(screen_buf), "Start read: ");
add_to_str_hex_bytes(screen_buf, (char*)p + 2, (*(p + 1) & 0b11) + 2);
if(what_to_do == 2) strcpy(screen_buf + strlen(screen_buf) - 2, "* ");
} else snprintf(screen_buf, sizeof(screen_buf), "Start scan (pipes: %d)", addrs.addr_count);
}
}
} else snprintf(screen_buf, sizeof(screen_buf), "View log (pipes: %d)", addrs.addr_count);
canvas_draw_str(canvas, 10, 60, screen_buf);
canvas_draw_str(canvas, 0, menu_selected * 10 + 10, ">");
} else if(what_doing == 1){
canvas_set_font(canvas, FontBatteryPercent); // 5x7 font, 9 lines
bool ch2 = false;
screen_buf[0] = '\0';
if(view_log_arr_x == 0) { strcat(screen_buf, " "); ch2 = true;
} else {
snprintf(screen_buf, sizeof(screen_buf), "<%d", view_log_arr_x);
if(view_log_arr_x < VIEW_LOG_MAX_X) ch2 = true;
}
snprintf(screen_buf + strlen(screen_buf), sizeof(screen_buf), " %s ch: %d - %d.", what_to_do == 1 ? "Sniff" : what_to_do == 0 ? "View" : "Read", NRF_channel, log_arr_idx);
canvas_draw_str(canvas, 0, 7, screen_buf);
if(ch2) canvas_draw_str(canvas, 121, 7, ">");
if(log_arr_idx) {
if(view_log_arr_idx >= log_arr_idx) view_log_arr_idx = log_arr_idx - 1;
uint16_t page = view_log_arr_idx & ~7;
for(uint8_t i = 0; i < 8 && page + i < log_arr_idx; i++) {
screen_buf[0] = (view_log_arr_idx & 7) != i ? ' ' : last_packet_send != view_log_arr_idx ? '>' : last_packet_send_st ? '*' : '!';
screen_buf[1] = '\0';
uint8_t *ptr = APP->log_arr + (page + i) * LOG_REC_SIZE;
uint8_t channel = *ptr++;
uint8_t *crcptr = NULL;
uint8_t pre = 0;
int count = 0;
if(channel & 0x80) { // RAW packet: nn:>{.address..}-xxxxxxxx
uint8_t pktinfo = *ptr++;
bool _PCF = pktinfo & 0b100;
uint8_t plen = count = (pktinfo >> 3);
uint8_t adrsize = (pktinfo & 0b11) + 2;
plen += adrsize;
count += view_log_decode_CRC;
if(view_log_arr_x > 0) count -= view_log_arr_x - 1;
uint8_t max_width = VIEW_LOG_WIDTH_B;
if(view_log_arr_x == 0) max_width -= 5;
if(count > max_width) count = max_width;
if(count > 0) {
uint8_t *pcrc = ptr;
uint32_t crc;
crc = view_log_decode_CRC == 2 ? 0xFFFF : 0xFF;
crc = calc_crc(crc, pcrc, 7, (_PCF? 9 : 0) + plen * 8);
pcrc += plen;
if(_PCF) { //ESB
pcrc++;
if(crc == get_shifted_crc(pcrc)) crcptr = pcrc;
} else {
if((view_log_decode_CRC == 1 && crc == *pcrc) || (view_log_decode_CRC == 2 && crc == (uint32_t)((*pcrc<<8) | *(pcrc+1)))) {
crcptr = pcrc;
}
}
if(view_log_arr_x == 0) {
add_to_str_hex_bytes(screen_buf, (char*)ptr, adrsize);
for(int8_t j = 5 - adrsize; j > 0; j--) strcat(screen_buf, " ");
strcat(screen_buf, "-");
pre += 5 * 2 + 1;
} else {
ptr += view_log_arr_x - 1;
}
ptr += adrsize;
if(_PCF) add_to_str_hex_bytes_shift_9b(screen_buf, (char*)ptr++, count); else add_to_str_hex_bytes(screen_buf, (char*)ptr, count);
}
} else {
uint8_t dpl = *ptr++;
uint8_t pipe = dpl & 0b111;
dpl >>= 3;
if(dpl == 0) dpl = 32;
count = dpl - view_log_arr_x;
if(view_log_decode_PCF) count--;
uint8_t max_width = VIEW_LOG_WIDTH_B;
if(view_log_arr_x == 0) {
if(addrs.addr_count > 1) max_width--;
if(view_log_decode_PCF) max_width -= 2;
}
if(count > max_width) count = max_width;
if(count > 0) {
if(view_log_decode_CRC) {
static uint16_t prev_addr_CRC;
static int8_t prev_pipe = -1;
uint8_t *pcrc = ptr;
uint32_t crc;
if(prev_pipe == pipe) { crc = prev_addr_CRC;
} else {
crc = view_log_decode_CRC == 2 ? 0xFFFF : 0xFF;
if(pipe <= 1) { crc = calc_crc(crc, pipe == 0 ? addrs.addr_P0 : addrs.addr_P1, 7, addrs.addr_len * 8);
} else {
crc = calc_crc(crc, addrs.addr_P1, 7, (addrs.addr_len - 1) * 8);
crc = calc_crc(crc, pipe == 2 ? &addrs.addr_P2 : pipe == 3 ? &addrs.addr_P3 : pipe == 4 ? &addrs.addr_P4 : &addrs.addr_P5, 7, 8);
}
prev_addr_CRC = crc;
prev_pipe = pipe;
}
if(view_log_decode_PCF) {
crc = calc_crc(crc, pcrc++, 7, 9);
if(crc == get_shifted_crc(pcrc)) crcptr = pcrc;
if(crcptr == NULL) {
for(int8_t j = 0; j < (int8_t)dpl - view_log_decode_CRC - 1; j++) {
crc = calc_crc(crc, pcrc++, 6, 8);
if(crc == get_shifted_crc(pcrc)) {
crcptr = pcrc;
break;
}
}
}
} else {
for(int8_t j = 0; j < (int8_t)dpl - view_log_decode_CRC; j++) {
crc = calc_crc(crc, pcrc++, 7, 8);
if((view_log_decode_CRC == 1 && crc == *pcrc) || (view_log_decode_CRC == 2 && crc == (uint32_t)((*pcrc<<8) | *(pcrc+1)))) {
crcptr = pcrc;
break;
}
}
}
}
}
ptr += view_log_arr_x;
if(max_width < VIEW_LOG_WIDTH_B) {
pre += snprintf(screen_buf + 1, 10, "%X-", pipe);
if(view_log_decode_PCF) {
pre += snprintf(screen_buf + strlen(screen_buf), 10, "%02X%01X-", *ptr >> 2, ((*ptr & 3) << 1) | (*(ptr+1) >> 7));
}
}
if(view_log_decode_PCF) add_to_str_hex_bytes_shift_9b(screen_buf, (char*)ptr++, count); else add_to_str_hex_bytes(screen_buf, (char*)ptr, count);
}
uint16_t y = 14 + i * 7;
canvas_draw_str(canvas, 3 * 5, y, screen_buf);
uint16_t x = page + i + 1;
if(x > 99) {
snprintf(screen_buf, 16, "%d", x);
canvas_draw_str(canvas, 1, y, screen_buf + 1);
canvas_draw_frame(canvas, 0, y - 2, 1, 2);
x = 2;
} else {
x = snprintf(screen_buf, 16, "%d", x);
canvas_draw_str(canvas, 0, y, screen_buf);
}
if(crcptr) { // 5x7 font, 9 lines
canvas_draw_str(canvas, x * 5, y, "=");
int n = crcptr - (uint8_t*)ptr;
if(n > -view_log_decode_CRC && n < count) {
int len;
x = (4 + pre) * 5;
if(n < 0) {
len = view_log_decode_CRC + n;
n = 0;
} else {
len = MIN(view_log_decode_CRC, count - n);
x += n * 2 * 5;
canvas_draw_line(canvas, x - 1, y, x - 1, y - 1);
}
canvas_draw_line(canvas, x - 1, y, n = x + len * 2 * 5 - 1, y);
canvas_draw_line(canvas, n, y, n, y - 1);
}
} else canvas_draw_str(canvas, x * 5, y, ":");
}
}
} else {
canvas_set_font(canvas, FontBatteryPercent); // 5x7 font, 9 lines
if(view_found >= 0) {
snprintf(screen_buf, 50, "Found > 1: %d", found_total);
canvas_draw_str(canvas, 0, 1 * 7, screen_buf);
int16_t idx = view_found * 7;
for(uint8_t i = 0; i < 7; i++, idx++) {
if(idx >= found_total) break;
snprintf(screen_buf, 16, "%d. ", idx + 1);
add_to_str_hex_bytes(screen_buf, (char*)APP->found[idx].addr, APP->found[idx].addr_size);
if(APP->found[idx].addr_size == 3) strcat(screen_buf, " "); else if(APP->found[idx].addr_size == 4) strcat(screen_buf, " ");
snprintf(screen_buf + strlen(screen_buf), 16, " - %d", APP->found[idx].total);
canvas_draw_str(canvas, 0, (2 + i) * 7, screen_buf);
}
} else {
struct ADDRS *a;
if(what_to_do == 1) {
a = &addrs_sniff;
canvas_draw_str(canvas, 0, 1 * 7, "Sniff prefix:");
} else {
a = &addrs;
canvas_draw_str(canvas, 0, 1 * 7, "Addresses:");
}
if(a->addr_count > 0) {
snprintf(screen_buf, sizeof(screen_buf), "P0: ");
add_to_str_hex_bytes(screen_buf, (char*)a->addr_P0, a->addr_len);
canvas_draw_str(canvas, 0, 2 * 7, screen_buf);
}
if(a->addr_count > 1) {
snprintf(screen_buf, sizeof(screen_buf), "P1: ");
add_to_str_hex_bytes(screen_buf, (char*)a->addr_P1, a->addr_len);
canvas_draw_str(canvas, 0, 3 * 7, screen_buf);
}
if(a->addr_count > 2) {
canvas_draw_str(canvas, 0, 4 * 7, "P2: ");
snprintf(screen_buf, sizeof(screen_buf), "%02X", a->addr_P2);
canvas_draw_str(canvas, (4 + (a->addr_len - 1) * 2) * 5, 4 * 7, screen_buf);
}
if(a->addr_count > 3) {
canvas_draw_str(canvas, 0, 5 * 7, "P3: ");
snprintf(screen_buf, sizeof(screen_buf), "%02X", a->addr_P3);
canvas_draw_str(canvas, (4 + (a->addr_len - 1) * 2) * 5, 5 * 7, screen_buf);
}
if(a->addr_count > 4) {
canvas_draw_str(canvas, 0, 6 * 7, "P4: ");
snprintf(screen_buf, sizeof(screen_buf), "%02X", a->addr_P4);
canvas_draw_str(canvas, (4 + (a->addr_len - 1) * 2) * 5, 6 * 7, screen_buf);
}
if(a->addr_count > 5) {
canvas_draw_str(canvas, 0, 7 * 7, "P5: ");
snprintf(screen_buf, sizeof(screen_buf), "%02X", a->addr_P5);
canvas_draw_str(canvas, (4 + (a->addr_len - 1) * 2) * 5, 7 * 7, screen_buf);
}
}
if(log_arr_idx) {
uint8_t *ptr = APP->log_arr + view_log_arr_idx * LOG_REC_SIZE;
uint8_t pktinfo = *(ptr + 1);
snprintf(screen_buf, 32, ">Ch: %d L: %d", *ptr & 0x7F, pktinfo >> 3);
if(*ptr & 0x80) {
strcat(screen_buf, " RAW");
if(pktinfo & 0b100) {
snprintf(screen_buf + strlen(screen_buf), 16, " ESB %s", *(ptr + 2 + (pktinfo & 0b11) + 2) >> 2 != 0x33 ? "DPL" : "");
}
}
canvas_draw_str(canvas, 0, 8 * 7, screen_buf);
}
screen_buf[0] = 'v';
strcpy(screen_buf + 1, VERSION);
canvas_draw_str(canvas, 105, 7, screen_buf);
if(view_log_decode_PCF || view_log_decode_CRC) {
strcpy(screen_buf, "Decode: ");
if(view_log_decode_PCF) strcat(screen_buf, "ESB ");
if(view_log_decode_CRC == 1) strcat(screen_buf, "CRC1");
else if(view_log_decode_CRC == 2) strcat(screen_buf, "CRC2");
canvas_draw_str(canvas, 0, 64, screen_buf);
}
}
release_mutex((ValueMutex*)ctx, plugin_state);
}
int32_t nrf24scan_app(void* p) {
UNUSED(p);
APP = malloc(sizeof(Nrf24Scan));
APP->event_queue = furi_message_queue_alloc(8, sizeof(PluginEvent));
APP->plugin_state = malloc(sizeof(PluginState));
ValueMutex state_mutex;
if(!init_mutex(&state_mutex, APP->plugin_state, sizeof(PluginState))) {
furi_message_queue_free(APP->event_queue);
FURI_LOG_E(TAG, "cannot create mutex");
free(APP->plugin_state);
return 255;
}
APP->log_arr = malloc(LOG_REC_SIZE * MAX_LOG_RECORDS);
if(APP->log_arr == NULL) {
FURI_LOG_E(TAG, "Not enouch memory: %d", LOG_REC_SIZE * MAX_LOG_RECORDS);
strcpy(addr_file_name, "MEMORY LOW!");
}
clear_log();
APP->found = malloc(sizeof(struct FOUND) * MAX_FOUND_RECORDS);
if(APP->found == NULL) {
FURI_LOG_E(TAG, "Not enouch memory: %d", sizeof(struct FOUND) * MAX_FOUND_RECORDS);
strcpy(addr_file_name, "MEMORY LOW!!");
}
memset((uint8_t*)&addrs, 0, sizeof(addrs));
memset((uint8_t*)&addrs_sniff, 0, sizeof(addrs_sniff));
nrf24_init();
// Set system callbacks
APP->view_port = view_port_alloc();
view_port_draw_callback_set(APP->view_port, render_callback, &state_mutex);
view_port_input_callback_set(APP->view_port, input_callback, APP->event_queue);
// Open GUI and register view_port
APP->gui = furi_record_open(RECORD_GUI);
gui_add_view_port(APP->gui, APP->view_port, GuiLayerFullscreen);
APP->notification = furi_record_open(RECORD_NOTIFICATION);
APP->storage = furi_record_open(RECORD_STORAGE);
storage_common_mkdir(APP->storage, SCAN_APP_PATH_FOLDER);
Stream* file_stream = file_stream_alloc(APP->storage);
FuriString* path = furi_string_alloc();
furi_string_set(path, SCAN_APP_PATH_FOLDER);
furi_string_cat(path, "/");
furi_string_cat(path, SNIFF_FILENAME);
if(file_stream_open(file_stream, furi_string_get_cstr(path), FSAM_READ, FSOM_OPEN_EXISTING)) {
uint8_t err = load_settings_file(file_stream);
if(!err) strncpy(addr_file_name, furi_string_get_cstr(path) + sizeof(SCAN_APP_PATH_FOLDER), sizeof(addr_file_name));
else snprintf(addr_file_name, sizeof(addr_file_name), "LOAD ERROR#%d", err);
} else {
strcpy(addr_file_name, "NONE");
if(what_to_do == 1) {
addrs.addr_P0[0] = 0;
addrs.addr_P0[1] = 0x55;
addrs.addr_len = 2;
addrs.addr_count = 1;
view_log_decode_CRC = NRF_CRC = 2;
NRF_Payload_sniff_min = 0; // Min
}
}
file_stream_close(file_stream);
stream_free(file_stream);
furi_string_free(path);
PluginEvent event;
for(bool processing = true; processing;) {
FuriStatus event_status = furi_message_queue_get(APP->event_queue, &event, 100);
PluginState* plugin_state = (PluginState*)acquire_mutex_block(&state_mutex);
if(event_status == FuriStatusOk) {
// press events
if(event.type == EventTypeKey) {
//FURI_LOG_D(TAG, "Key: %d Type: %d Sec: %u", event.input.key, event.input.type, event.input.sequence);
switch(event.input.key) {
case InputKeyUp:
if(event.input.type == InputTypeShort || event.input.type == InputTypeRepeat) {
if(what_doing == 0) {
if(menu_selected > 0) menu_selected--; else menu_selected = menu_selected_max;
} else if(what_doing == 1) {
view_log_arr_idx -= event.input.type == InputTypeRepeat ? 10 : 1;
if(view_log_arr_idx >= log_arr_idx) view_log_arr_idx = 0;
} else if(what_doing == 2) {
if(view_found > -1) view_found--;
}
}
break;
case InputKeyDown:
if(event.input.type == InputTypeShort || event.input.type == InputTypeRepeat) {
if(what_doing == 0) {
if(menu_selected < menu_selected_max) menu_selected++; else menu_selected = 0;
} else if(what_doing == 1) {
view_log_arr_idx += event.input.type == InputTypeRepeat ? 10 : 1;
if(view_log_arr_idx >= log_arr_idx) view_log_arr_idx = log_arr_idx - 1;
} else if(what_doing == 2) {
if(view_found < found_total / 7) view_found++;
}
}
break;
case InputKeyLeft:
if(event.input.type == InputTypeShort || event.input.type == InputTypeRepeat) {
if(what_doing == 0) {
switch(menu_selected) {
case Menu_enter_channel:
NRF_channel -= event.input.type == InputTypeRepeat ? 10 : 1;
if(NRF_channel > MAX_CHANNEL) NRF_channel = MAX_CHANNEL;
break;
case Menu_enter_rate:
if(what_to_do == 1) { // SNIFF
NRF_Payload_sniff_min -= event.input.type == InputTypeRepeat ? 10 : 1;
correct_NRF_Payload_sniff_min();
} else {
NRF_Payload -= event.input.type == InputTypeRepeat ? 10 : 1;
if(NRF_Payload > 32) NRF_Payload = 0;
}
break;
case Menu_enter_scan_period:
find_channel_period -= event.input.type == InputTypeRepeat ? 10 : 1;
if(find_channel_period < 0) find_channel_period = 0;
break;
case Menu_log:
if(--log_to_file < -1) log_to_file = 2;
break;
case Menu_ok:
if(--what_to_do > 3) what_to_do = 3;
break;
}
} else if(what_doing == 1) {
if(view_log_arr_x > 0) view_log_arr_x--;
} else if(what_doing == 2) {
//if(NRF_ESB == 0)
view_log_decode_PCF ^= 1;
}
}
break;
case InputKeyRight:
if(event.input.type == InputTypeShort || event.input.type == InputTypeRepeat) {
if(what_doing == 0) {
switch(menu_selected) {
case Menu_open_file:
save_settings ^= 1;
break;
case Menu_enter_channel:
NRF_channel += event.input.type == InputTypeRepeat ? 10 : 1;
if(NRF_channel > MAX_CHANNEL) NRF_channel = 0;
break;
case Menu_enter_rate:
if(what_to_do == 1) { // SNIFF
NRF_Payload_sniff_min += event.input.type == InputTypeRepeat ? 10 : 1;
correct_NRF_Payload_sniff_min();
} else {
NRF_Payload += event.input.type == InputTypeRepeat ? 10 : 1;
if(NRF_Payload > 32) NRF_Payload = 32;
}
break;
case Menu_enter_scan_period:
find_channel_period += event.input.type == InputTypeRepeat ? 10 : 1;
break;
case Menu_log:
if(++log_to_file > 2) log_to_file = -1;
break;
case Menu_ok:
if(++what_to_do > 3) what_to_do = 0;
break;
}
} else if(what_doing == 1) {
if(view_log_arr_x < VIEW_LOG_MAX_X) view_log_arr_x++;
} else if(what_doing == 2) {
if(++view_log_decode_CRC > 2) view_log_decode_CRC = 0;
}
}
break;
case InputKeyOk:
if(event.input.type == InputTypeShort) {
if(what_doing == 0) {
switch(menu_selected) {
case Menu_open_file:
if(save_settings) {
write_to_log_file(APP->storage, true);
} else {
file_stream = file_stream_alloc(APP->storage);
if(select_settings_file(file_stream)) {
uint8_t err = load_settings_file(file_stream);
if(!err) save_to_new_log = true; else snprintf(addr_file_name, sizeof(addr_file_name), "LOAD ERROR#%d", err);
file_stream_close(file_stream);
menu_selected = Menu_ok;
}
stream_free(file_stream);
}
break;
case Menu_enter_channel:
if(what_to_do == 1) {
if(NRF_ESB) NRF_DPL = NRF_ESB = 0; else NRF_ESB = 1;
} else {
if(NRF_ESB) {
if(NRF_DPL) NRF_DPL = NRF_ESB = 0; else NRF_DPL = 1;
} else NRF_ESB = 1;
}
break;
case Menu_enter_rate:
NRF_rate++;
if(NRF_rate > 2) NRF_rate = 0;
break;
case Menu_enter_scan_period:
if(++NRF_CRC > 2) NRF_CRC = what_to_do == 1 ? 1 : 0;
break;
case Menu_ok:
if(what_to_do) {
if((addrs.addr_count || (what_to_do >= 2 && log_arr_idx && *(APP->log_arr + view_log_arr_idx * LOG_REC_SIZE) & 0x80)) || what_to_do == 1) {
if(log_to_file == -1) {
log_to_file = 0;
clear_log();
save_to_new_log = true;
} else if(log_to_file == 1) save_to_new_log = true;
start_scanning();
if(!NRF_ERROR) what_doing = 1;
}
} else what_doing = 1;
break;
}
} else if(what_doing == 1) {
what_doing = 2;
} else if(what_doing == 2) {
what_doing = 1;
}
} else if(event.input.type == InputTypeLong) {
if(what_doing == 0) {
if(menu_selected == Menu_enter_channel) {
NRF_AA_OFF ^= 1;
} else if(menu_selected == Menu_log) { // Log
if(log_arr_idx && (log_to_file == 1 || log_to_file == 2)) {
write_to_log_file(APP->storage, false);
clear_log();
}
}
} else if(what_doing == 1 || what_doing == 2) {
nrf24_send_packet();
}
}
break;
case InputKeyBack:
if(event.input.type == InputTypeLong) processing = false;
else if(event.input.type == InputTypeShort) {
if(what_doing) what_doing--;
if(what_doing == 0) {
nrf24_set_idle(nrf24_HANDLE);
}
}
break;
default:
break;
}
}
}
if(what_doing && what_to_do) {
nrf24_read_newpacket();
if(find_channel_period && furi_get_tick() - start_time >= (uint32_t)find_channel_period * 1000UL) {
if(++NRF_channel > MAX_CHANNEL) NRF_channel = 0;
start_scanning();
}
}
view_port_update(APP->view_port);
release_mutex(&state_mutex, plugin_state);
}
nrf24_set_idle(nrf24_HANDLE);
if(log_arr_idx && (log_to_file == 1 || log_to_file == 2)) {
write_to_log_file(APP->storage, false);
}
nrf24_deinit();
view_port_enabled_set(APP->view_port, false);
gui_remove_view_port(APP->gui, APP->view_port);
furi_record_close(RECORD_GUI);
furi_record_close(RECORD_NOTIFICATION);
furi_record_close(RECORD_STORAGE);
view_port_free(APP->view_port);
furi_message_queue_free(APP->event_queue);
free(APP->plugin_state);
if(APP->log_arr) free(APP->log_arr);
if(APP->found) free(APP->found);
free(APP);
return 0;
}
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