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read and parse Key Export, started WiFi and CWA connection

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This commit is contained in:
Lurkars
2020-07-25 13:33:03 +02:00
parent 4ba1352a05
commit 20818020d8
32 changed files with 9907 additions and 258 deletions
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components/ena-cwa/CMakeLists.txt
+11
View File
@@ -0,0 +1,11 @@
idf_component_register(
SRCS
"ena-cwa.c"
INCLUDE_DIRS "include"
PRIV_REQUIRES
esp_http_client
miniz
ena
EMBED_FILES
"certs/telekom.pem"
)
components/ena-cwa/certs/telekom.pem
+33
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@@ -0,0 +1,33 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
components/ena-cwa/ena-cwa.c
+142
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@@ -0,0 +1,142 @@
// Copyright 2020 Lukas Haubaum
//
// Licensed under the GNU Affero General Public License, Version 3;
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// https://www.gnu.org/licenses/agpl-3.0.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include "esp_log.h"
#include "esp_http_client.h"
#include "miniz.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "ena-cwa.h"
extern const uint8_t telekom_pem_start[] asm("_binary_telekom_pem_start");
extern const uint8_t telekom__pem_end[] asm("_binary_telekom_pem_end");
esp_err_t ena_cwa_http_event_handler(esp_http_client_event_t *evt)
{
static char *output_buffer;
static int output_len;
switch (evt->event_id)
{
case HTTP_EVENT_ON_DATA:
if (!esp_http_client_is_chunked_response(evt->client))
{
if (output_buffer == NULL)
{
output_buffer = (char *)malloc(esp_http_client_get_content_length(evt->client));
output_len = 0;
if (output_buffer == NULL)
{
ESP_LOGE(ENA_CWA_LOG, "Failed to allocate memory for output buffer");
return ESP_FAIL;
}
}
memcpy(output_buffer + output_len, evt->data, evt->data_len);
output_len += evt->data_len;
}
break;
case HTTP_EVENT_ON_FINISH:
if (output_buffer != NULL)
{
ESP_LOGD(ENA_CWA_LOG, "memory: %d kB", (xPortGetFreeHeapSize() / 1024));
size_t zip_image_size = esp_http_client_get_content_length(evt->client);
// const char *file_name = "export.sig";
/*
mz_zip_archive zip_archive;
mz_zip_archive_file_stat file_stat;
mz_uint32 file_index;
memset(&zip_archive, 0, sizeof(zip_archive));
ESP_LOGD(ENA_CWA_LOG, "memory: %d kB", (xPortGetFreeHeapSize() / 1024));
vTaskDelay(1000 / portTICK_PERIOD_MS);
mz_zip_reader_init_mem(&zip_archive, output_buffer, sizeof(output_buffer), 0);
ESP_LOGD(ENA_CWA_LOG, "memory: %d kB", (xPortGetFreeHeapSize() / 1024));
mz_zip_reader_locate_file_v2(&zip_archive, file_name, NULL, 0, &file_index);
ESP_LOGD(ENA_CWA_LOG, "memory: %d kB", (xPortGetFreeHeapSize() / 1024));
mz_zip_reader_file_stat(&zip_archive, file_index, &file_stat);
ESP_LOGD(ENA_CWA_LOG, "memory: %d kB", (xPortGetFreeHeapSize() / 1024));
size_t extracted_size = file_stat.m_uncomp_size;
ESP_LOGD(ENA_CWA_LOG, "size of export.sig: %d", extracted_size);
char *file_buffer = malloc(extracted_size);
mz_zip_reader_extract_to_mem(&zip_archive, file_index, file_buffer, extracted_size, 0);
ESP_LOGD(ENA_CWA_LOG, "memory: %d kB", (xPortGetFreeHeapSize() / 1024));
mz_zip_reader_end(&zip_archive);
ESP_LOG_BUFFER_HEXDUMP(ENA_CWA_LOG, file_buffer, extracted_size, ESP_LOG_DEBUG);
free(file_buffer);
*/
mz_zip_archive zip_archive;
ESP_LOGD(ENA_CWA_LOG, "1 memory: %d kB (min %d kB)", (esp_get_free_heap_size() / 1024), (esp_get_minimum_free_heap_size() / 1024));
memset(&zip_archive, 0, sizeof(zip_archive));
ESP_LOGD(ENA_CWA_LOG, "2 memory: %d kB (min %d kB)", (esp_get_free_heap_size() / 1024), (esp_get_minimum_free_heap_size() / 1024));
mz_zip_reader_init_mem(&zip_archive, output_buffer, zip_image_size, 0);
ESP_LOGD(ENA_CWA_LOG, "3 memory: %d kB (min %d kB)", (esp_get_free_heap_size() / 1024), (esp_get_minimum_free_heap_size() / 1024));
mz_zip_reader_end(&zip_archive);
ESP_LOGD(ENA_CWA_LOG, "4 memory: %d kB (min %d kB)", (esp_get_free_heap_size() / 1024), (esp_get_minimum_free_heap_size() / 1024));
/*
p = mz_zip_reader_extract_file_to_heap(&zip_archive, file_name, &extracted_size, 0);
ESP_LOGD(ENA_CWA_LOG, "4 memory: %d kB", (esp_get_free_heap_size() / 1024));
mz_zip_reader_end(&zip_archive);
ESP_LOG_BUFFER_HEXDUMP(ENA_CWA_LOG, p, extracted_size, ESP_LOG_DEBUG);
free(p);
*/
free(output_buffer);
output_buffer = NULL;
output_len = 0;
ESP_LOGD(ENA_CWA_LOG, "memory freed: %d kB (min %d kB)", (esp_get_free_heap_size() / 1024), (esp_get_minimum_free_heap_size() / 1024));
}
break;
default:
break;
}
return ESP_OK;
}
void ena_cwa_receive_keys(char *date_string)
{
char *url = malloc(strlen(ENA_CWA_KEYFILES_URL) + strlen(date_string));
sprintf(url, ENA_CWA_KEYFILES_URL, date_string);
esp_http_client_config_t config = {
.url = url,
.cert_pem = (char *)telekom_pem_start,
.event_handler = ena_cwa_http_event_handler,
};
esp_http_client_handle_t client = esp_http_client_init(&config);
esp_err_t err = esp_http_client_perform(client);
if (err == ESP_OK)
{
int content_length = esp_http_client_get_content_length(client);
ESP_LOGD(ENA_CWA_LOG, "Url = %s, Status = %d, content_length = %d", url,
esp_http_client_get_status_code(client),
content_length);
}
// free(url);
esp_http_client_close(client);
esp_http_client_cleanup(client);
}
components/ena-cwa/include/ena-cwa.h
+28
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@@ -0,0 +1,28 @@
// Copyright 2020 Lukas Haubaum
//
// Licensed under the GNU Affero General Public License, Version 3;
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// https://www.gnu.org/licenses/agpl-3.0.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _ena_CWA_H_
#define _ena_CWA_H_
#define ENA_CWA_LOG "ESP-ENA-corona-warn-app" // TAG for Logging
#define ENA_CWA_KEYFILES_URL "http://svc90.main.px.t-online.de/version/v1/diagnosis-keys/country/DE/date/%s"
/**
* @brief fetch key export for given date
*
* @param[in] date_string the date to fetch the data for
*/
void ena_cwa_receive_keys(char *date_string);
#endif
components/ena-interface/ena-interface-menu.c
+3
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@@ -33,6 +33,9 @@ void ena_interface_menu_ok(void)
{
ena_interface_status_start();
}
else if (interface_menu_state == ENA_INTERFACE_MENU_STATE_SELECT_DEBUG)
{
}
else if (interface_menu_state == ENA_INTERFACE_MENU_STATE_IDLE)
{
if (ena_interface_get_state() == ENA_INTERFACE_STATE_MENU)
components/ena-interface/include/ena-interface-menu.h
+1
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@@ -18,6 +18,7 @@ typedef enum
{
ENA_INTERFACE_MENU_STATE_IDLE = 0,
ENA_INTERFACE_MENU_STATE_SELECT_TIME,
ENA_INTERFACE_MENU_STATE_SELECT_DEBUG,
ENA_INTERFACE_MENU_STATE_SELECT_STATUS,
} ena_interface_menu_state;
components/ena/CMakeLists.txt
-1
View File
@@ -15,5 +15,4 @@ idf_component_register(
nanopb
EMBED_FILES
"test/export.bin"
"test/export.sig"
)
components/ena/Kconfig → components/ena/Kconfig.projbuild
-8
View File
@@ -87,12 +87,4 @@ menu "Exposure Notification API"
Defines the TEK rolling period in 10 minute steps. (Default 144 => 24 hours)
endmenu
menu "Miscellaneous"
config ENA_RAM
int "ENA RAM"
default 100000
help
RAM required for main task. (Default 100 KB)
endmenu
endmenu
components/ena/ena-exposure.c
+109 -48
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@@ -15,12 +15,16 @@
#include <time.h>
#include <limits.h>
#include "esp_err.h"
#include "esp_log.h"
#include "ena-crypto.h"
#include "ena-storage.h"
#include "ena-beacons.h"
#include "pb_decode.h"
#include "TemporaryExposureKeyExport.pb.h"
#include "ena-exposure.h"
static ena_exposure_config_t DEFAULT_ENA_EXPOSURE_CONFIG = {
@@ -73,52 +77,8 @@ static ena_exposure_config_t DEFAULT_ENA_EXPOSURE_CONFIG = {
static const char kFileHeader[] = "EK Export v1 ";
static size_t kFileHeaderSize = sizeof(kFileHeader) - 1;
extern const uint8_t export_bin_start[] asm("_binary_export_bin_start");
extern const uint8_t export_bin_end[] asm("_binary_export_bin_end");
void ena_exposure_keyfiletest(void)
{
ESP_LOG_BUFFER_HEXDUMP(ENA_EXPOSURE_LOG, export_bin_start, (export_bin_end - export_bin_start), ESP_LOG_INFO);
}
void ena_exposure_check(ena_tek_reported_t tek_reported)
{
bool match = false;
ena_beacon_t beacon;
ena_exposure_information_t exposure_info;
exposure_info.duration_minutes = 0;
exposure_info.min_attenuation = INT_MAX;
exposure_info.typical_attenuation = 0;
exposure_info.report_type = tek_reported.report_type;
uint8_t rpi[ENA_KEY_LENGTH];
uint8_t rpik[ENA_KEY_LENGTH];
ena_crypto_rpik(rpik, tek_reported.key_data);
uint32_t beacons_count = ena_storage_beacons_count();
for (int i = 0; i < tek_reported.rolling_period; i++)
{
ena_crypto_rpi(rpi, rpik, tek_reported.rolling_start_interval_number + i);
for (int y = 0; y < beacons_count; y++)
{
ena_storage_get_beacon(y, &beacon);
if (memcmp(beacon.rpi, rpi, sizeof(ENA_KEY_LENGTH)) == 0)
{
match = true;
exposure_info.day = tek_reported.rolling_start_interval_number * ENA_TIME_WINDOW;
exposure_info.duration_minutes += (ENA_BEACON_TRESHOLD / 60);
exposure_info.typical_attenuation = (exposure_info.typical_attenuation + beacon.rssi) / 2;
if (beacon.rssi < exposure_info.min_attenuation)
{
exposure_info.min_attenuation = beacon.rssi;
}
}
}
}
if (match)
{
ena_storage_add_exposure_information(&exposure_info);
}
}
extern uint8_t export_bin_start[] asm("_binary_export_bin_start"); // test data from Google or https://svc90.main.px.t-online.de/version/v1/diagnosis-keys/country/DE/date/2020-07-22
extern uint8_t export_bin_end[] asm("_binary_export_bin_end");
int ena_exposure_risk_score(ena_exposure_config_t *config, ena_exposure_parameter_t params)
{
@@ -238,6 +198,9 @@ int ena_exposure_risk_score(ena_exposure_config_t *config, ena_exposure_paramete
void ena_exposure_summary(ena_exposure_config_t *config, ena_exposure_summary_t *summary)
{
// XXX TEST key export (should be called on other location though)
ESP_ERROR_CHECK_WITHOUT_ABORT(ena_exposure_check_export(export_bin_start, (export_bin_end - export_bin_start)));
uint32_t count = ena_storage_exposure_information_count();
uint32_t current_time = (uint32_t)time(NULL);
@@ -270,11 +233,109 @@ void ena_exposure_summary(ena_exposure_config_t *config, ena_exposure_summary_t
}
summary->risk_score_sum += score;
}
ena_exposure_keyfiletest();
}
ena_exposure_config_t *ena_exposure_default_config(void)
{
return &DEFAULT_ENA_EXPOSURE_CONFIG;
}
bool ena_exposure_decode_key_data(pb_istream_t *stream, const pb_field_t *field, void **arg)
{
uint8_t *key_data = (uint8_t *)*arg;
if (!pb_read(stream, key_data, stream->bytes_left))
{
ESP_LOGW(ENA_EXPOSURE_LOG, "Decoding failed: %s\n", PB_GET_ERROR(stream));
return false;
}
return true;
}
bool ena_exposure_decode_key(pb_istream_t *stream, const pb_field_t *field, void **arg)
{
uint8_t key_data[ENA_KEY_LENGTH] = {0};
TemporaryExposureKey tek = TemporaryExposureKey_init_zero;
tek.key_data = (pb_callback_t){
.funcs.decode = ena_exposure_decode_key_data,
.arg = &key_data,
};
if (!pb_decode(stream, TemporaryExposureKey_fields, &tek))
{
ESP_LOGW(ENA_EXPOSURE_LOG, "Decoding failed: %s\n", PB_GET_ERROR(stream));
return false;
}
ESP_LOGD(ENA_EXPOSURE_LOG,
"check reported tek: rolling_start_interval_number %d, rolling_period %d, days_since_last_exposure %d, report_type %d, transmission_risk_values %d",
tek.rolling_start_interval_number, tek.rolling_period, tek.days_since_onset_of_symptoms, tek.report_type, tek.transmission_risk_level);
ESP_LOG_BUFFER_HEXDUMP(ENA_EXPOSURE_LOG, &key_data, ENA_KEY_LENGTH, ESP_LOG_DEBUG);
bool match = false;
ena_beacon_t beacon;
ena_exposure_information_t exposure_info;
exposure_info.duration_minutes = 0;
exposure_info.min_attenuation = INT_MAX;
exposure_info.typical_attenuation = 0;
exposure_info.report_type = tek.report_type;
uint8_t rpi[ENA_KEY_LENGTH];
uint8_t rpik[ENA_KEY_LENGTH];
ena_crypto_rpik(rpik, key_data);
uint32_t beacons_count = ena_storage_beacons_count();
for (int i = 0; i < tek.rolling_period; i++)
{
ena_crypto_rpi(rpi, rpik, tek.rolling_start_interval_number + i);
for (int y = 0; y < beacons_count; y++)
{
ena_storage_get_beacon(y, &beacon);
if (memcmp(beacon.rpi, rpi, sizeof(ENA_KEY_LENGTH)) == 0)
{
match = true;
exposure_info.day = tek.rolling_start_interval_number * ENA_TIME_WINDOW;
exposure_info.duration_minutes += (ENA_BEACON_TRESHOLD / 60);
exposure_info.typical_attenuation = (exposure_info.typical_attenuation + beacon.rssi) / 2;
if (beacon.rssi < exposure_info.min_attenuation)
{
exposure_info.min_attenuation = beacon.rssi;
}
}
}
}
if (match)
{
ena_storage_add_exposure_information(&exposure_info);
}
return true;
}
esp_err_t ena_exposure_check_export(uint8_t *buf, size_t size)
{
// validate header
if (memcmp(kFileHeader, buf, kFileHeaderSize) != 0)
{
ESP_LOGW(ENA_EXPOSURE_LOG, "Wrong or missing header!");
return ESP_FAIL;
}
TemporaryExposureKeyExport tek_export = TemporaryExposureKeyExport_init_zero;
tek_export.keys = (pb_callback_t){
.funcs.decode = ena_exposure_decode_key,
};
pb_istream_t stream = pb_istream_from_buffer(&buf[kFileHeaderSize], (size - kFileHeaderSize));
if (!pb_decode(&stream, TemporaryExposureKeyExport_fields, &tek_export))
{
ESP_LOGW(ENA_EXPOSURE_LOG, "Decoding failed: %s\n", PB_GET_ERROR(&stream));
return ESP_FAIL;
}
return ESP_OK;
}
components/ena/ena.c
+36 -36
View File
@@ -14,10 +14,6 @@
#include <stdio.h>
#include <time.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "esp_system.h"
#include "esp_log.h"
#include "esp_bt.h"
@@ -47,48 +43,42 @@ void ena_next_rpi_timestamp(uint32_t timestamp)
ESP_LOGD(ENA_LOG, "next rpi at %u (%u from %u)", next_rpi_timestamp, (ENA_BT_ROTATION_TIMEOUT_INTERVAL + random_interval), timestamp);
}
void ena_run(void *pvParameter)
void ena_run(void)
{
static uint32_t unix_timestamp = 0;
static uint32_t current_enin = 0;
while (1)
unix_timestamp = (uint32_t)time(NULL);
current_enin = ena_crypto_enin(unix_timestamp);
if (current_enin - last_tek.enin >= last_tek.rolling_period)
{
unix_timestamp = (uint32_t)time(NULL);
current_enin = ena_crypto_enin(unix_timestamp);
if (current_enin - last_tek.enin >= last_tek.rolling_period)
{
ena_crypto_tek(last_tek.key_data);
last_tek.enin = current_enin;
// validity only to next day 00:00
last_tek.rolling_period = ENA_TEK_ROLLING_PERIOD - (last_tek.enin % ENA_TEK_ROLLING_PERIOD);
ena_storage_write_tek(&last_tek);
}
ena_crypto_tek(last_tek.key_data);
last_tek.enin = current_enin;
// validity only to next day 00:00
last_tek.rolling_period = ENA_TEK_ROLLING_PERIOD - (last_tek.enin % ENA_TEK_ROLLING_PERIOD);
ena_storage_write_tek(&last_tek);
}
// change RPI
if (unix_timestamp >= next_rpi_timestamp)
// change RPI
if (unix_timestamp >= next_rpi_timestamp)
{
if (ena_bluetooth_scan_get_status() == ENA_SCAN_STATUS_SCANNING)
{
if (ena_bluetooth_scan_get_status() == ENA_SCAN_STATUS_SCANNING)
{
ena_bluetooth_scan_stop();
}
ena_bluetooth_advertise_stop();
ena_bluetooth_advertise_set_payload(current_enin, last_tek.key_data);
ena_bluetooth_advertise_start();
if (ena_bluetooth_scan_get_status() == ENA_SCAN_STATUS_WAITING)
{
ena_bluetooth_scan_start(ENA_SCANNING_TIME);
}
ena_next_rpi_timestamp(unix_timestamp);
ena_bluetooth_scan_stop();
}
// scan
if (unix_timestamp % ENA_SCANNING_INTERVAL == 0 && ena_bluetooth_scan_get_status() == ENA_SCAN_STATUS_NOT_SCANNING)
ena_bluetooth_advertise_stop();
ena_bluetooth_advertise_set_payload(current_enin, last_tek.key_data);
ena_bluetooth_advertise_start();
if (ena_bluetooth_scan_get_status() == ENA_SCAN_STATUS_WAITING)
{
ena_bluetooth_scan_start(ENA_SCANNING_TIME);
}
ena_next_rpi_timestamp(unix_timestamp);
}
// one second loop correct?!
vTaskDelay(1000 / portTICK_PERIOD_MS);
// scan
if (unix_timestamp % ENA_SCANNING_INTERVAL == 0 && ena_bluetooth_scan_get_status() == ENA_SCAN_STATUS_NOT_SCANNING)
{
ena_bluetooth_scan_start(ENA_SCANNING_TIME);
}
}
@@ -173,5 +163,15 @@ void ena_start(void)
ena_bluetooth_scan_start(ENA_SCANNING_TIME);
// what is a good stack size here?
xTaskCreate(&ena_run, "ena_run", ENA_RAM, NULL, 5, NULL);
// xTaskCreate(&ena_run, "ena_run", ENA_RAM, NULL, 5, NULL);
}
void ena_stop(void)
{
ena_bluetooth_advertise_stop();
ena_bluetooth_scan_stop();
esp_bluedroid_disable();
esp_bluedroid_deinit();
esp_bt_controller_disable();
esp_bt_controller_deinit();
}
components/ena/include/ena-exposure.h
+12 -19
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@@ -15,6 +15,7 @@
#define _ena_EXPOSURE_H_
#include <stdio.h>
#include "ena-crypto.h"
#define ENA_EXPOSURE_LOG "ESP-ENA-exposure" // TAG for Logging
@@ -134,25 +135,6 @@ typedef struct __attribute__((__packed__))
int risk_score_sum; // sum of all risk_scores
} ena_exposure_summary_t;
/**
* @brief structure for a reported TEK
*/
typedef struct __attribute__((__packed__))
{
uint8_t key_data[ENA_KEY_LENGTH]; // Key of infected user
uint32_t rolling_start_interval_number; // The interval number since epoch for which a key starts
uint8_t rolling_period; // Increments of 10 minutes describing how long a key is valid
ena_report_type_t report_type; // Type of diagnosis associated with a key.
uint32_t days_since_onset_of_symptoms; // Number of days elapsed between symptom onset and the TEK being used. E.g. 2 means TEK is 2 days after onset of symptoms.
} ena_tek_reported_t;
/**
* @brief check for exposure for a reported tek and store exposure information on finding
*
* @param[in] tek_reported the reported tek to check
*/
void ena_exposure_check(ena_tek_reported_t tek_reported);
/**
* @brief calculate risk score
*
@@ -174,4 +156,15 @@ void ena_exposure_summary(ena_exposure_config_t *config, ena_exposure_summary_t
*/
ena_exposure_config_t *ena_exposure_default_config(void);
/**
* @brief reads a Temporary Exposue Key Export binary and check for exposures
*
* @param[in] buf the buffer containing the binary data
* @param[in] size the size of the buffer
*
* @return
* esp_err_t status of reading binary
*/
esp_err_t ena_exposure_check_export(uint8_t *buf, size_t size);
#endif
components/ena/include/ena.h
+13 -1
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@@ -15,10 +15,17 @@
#define _ena_H_
#define ENA_LOG "ESP-ENA" // TAG for Logging
#define ENA_RAM (CONFIG_ENA_RAM) // change advertising payload and therefore the BT address
#define ENA_BT_ROTATION_TIMEOUT_INTERVAL (CONFIG_ENA_BT_ROTATION_TIMEOUT_INTERVAL) // change advertising payload and therefore the BT address
#define ENA_BT_RANDOMIZE_ROTATION_TIMEOUT_INTERVAL (CONFIG_ENA_BT_RANDOMIZE_ROTATION_TIMEOUT_INTERVAL) // random intervall change for BT address change
/**
* @brief Run Exposure Notification API
*
* This runs the complete BLE logic
*
*/
void ena_run(void);
/**
* @brief Start Exposure Notification API
*
@@ -28,4 +35,9 @@
*/
void ena_start(void);
/**
* @brief stop ena
*/
void ena_stop(void);
#endif
components/ena/test/export.bin
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components/ena/test/export_g.bin
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components/ena/test/export.sig → components/ena/test/export_g.sig
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components/ena/test/export_tel.bin
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components/ena/test/export_tel.sig
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components/miniz/CMakeLists.txt
+5
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@@ -0,0 +1,5 @@
idf_component_register(
SRCS
"miniz.c"
INCLUDE_DIRS "."
)
components/miniz/LICENSE
+22
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@@ -0,0 +1,22 @@
Copyright 2013-2014 RAD Game Tools and Valve Software
Copyright 2010-2014 Rich Geldreich and Tenacious Software LLC
All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
components/miniz/miniz.c
+7657
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components/miniz/miniz.h
+1338
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components/nanopb/LICENSE.txt
+20
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@@ -0,0 +1,20 @@
Copyright (c) 2011 Petteri Aimonen <jpa at nanopb.mail.kapsi.fi>
This software is provided 'as-is', without any express or
implied warranty. In no event will the authors be held liable
for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you use
this software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
components/ssd1306/include/ssd1306.h
+11 -1
View File
@@ -91,7 +91,6 @@ void ssd1306_clear_line(uint8_t i2address, uint8_t line, bool invert);
*/
void ssd1306_clear(uint8_t i2address);
/**
* @brief set display on or offf
*
@@ -100,6 +99,17 @@ void ssd1306_clear(uint8_t i2address);
*/
void ssd1306_on(uint8_t i2address, bool on);
/**
* @brief write raw bytes to display line at starting column
*
* @param[in] i2address I2C address of SSD1306
* @param[in] data bytes to display
* @param[in] length length of data
* @param[in] line the line to write to
* @param[in] offset number of offset chars to start
*/
void ssd1306_data(uint8_t i2address, uint8_t *data, size_t length, uint8_t line, uint8_t offset, bool invert);
/**
* @brief write text to display line at starting column
*