mirror of
https://github.com/manuelbl/ttn-esp32.git
synced 2025-06-14 20:14:27 +02:00
Convert TTNProvisioning to C
This commit is contained in:
parent
99bab17d4b
commit
973a7c41c8
@ -2,7 +2,7 @@
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*
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* ttn-esp32 - The Things Network device library for ESP-IDF / SX127x
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*
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* Copyright (c) 2018-2019 Manuel Bleichenbacher
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* Copyright (c) 2018-2021 Manuel Bleichenbacher
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*
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* Licensed under MIT License
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* https://opensource.org/licenses/MIT
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@ -13,60 +13,22 @@
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#ifndef _ttnprovisioning_h_
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#define _ttnprovisioning_h_
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#include "lmic/oslmic.h"
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#include "nvs_flash.h"
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#include "ttn_provisioning.h"
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class TTNProvisioning
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{
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public:
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TTNProvisioning();
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TTNProvisioning() { ttn_provision_init(); }
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bool haveKeys();
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bool decodeKeys(const char *dev_eui, const char *app_eui, const char *app_key);
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bool fromMAC(const char *app_eui, const char *app_key);
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bool saveKeys();
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bool restoreKeys(bool silent);
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bool haveKeys() { return ttn_provision_have_keys(); }
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bool decodeKeys(const char *dev_eui, const char *app_eui, const char *app_key) { return ttn_provision_decode_keys(dev_eui, app_eui, app_key); }
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bool fromMAC(const char *app_eui, const char *app_key) { return ttn_provision_from_mac(app_eui, app_key); }
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bool saveKeys() { return ttn_provision_save_keys(); }
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bool restoreKeys(bool silent) { return ttn_provision_restore_keys(silent); }
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#if defined(TTN_HAS_AT_COMMANDS)
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void startTask();
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#endif
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private:
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bool decode(bool incl_dev_eui, const char *dev_eui, const char *app_eui, const char *app_key);
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bool readNvsValue(nvs_handle handle, const char* key, uint8_t* data, size_t expected_length, bool silent);
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bool writeNvsValue(nvs_handle handle, const char* key, const uint8_t* data, size_t len);
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#if defined(TTN_HAS_AT_COMMANDS)
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void provisioningTask();
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void addLineData(int numBytes);
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void detectLineEnd(int start_at);
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void processLine();
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#endif
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#if defined(TTN_CONFIG_UART)
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void configUART();
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#endif
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static bool hexStrToBin(const char *hex, uint8_t *buf, int len);
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static int hexTupleToByte(const char *hex);
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static int hexDigitToVal(char ch);
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static void binToHexStr(const uint8_t* buf, int len, char* hex);
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static char valToHexDigit(int val);
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static void swapBytes(uint8_t* buf, int len);
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static bool isAllZeros(const uint8_t* buf, int len);
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private:
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bool have_keys = false;
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#if defined(TTN_HAS_AT_COMMANDS)
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QueueHandle_t uart_queue;
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char* line_buf;
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int line_length;
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uint8_t last_line_end_char;
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bool quit_task;
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friend void ttn_provisioning_task_caller(void* pvParameter);
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void startTask() { ttn_provision_start_task(); }
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#endif
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};
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@ -16,7 +16,7 @@
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#include "hal/hal_esp32.h"
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#include "lmic/lmic.h"
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#include "TheThingsNetwork.h"
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#include "TTNProvisioning.h"
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#include "ttn_provisioning.h"
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#include "TTNLogging.h"
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@ -59,7 +59,6 @@ static const char *TAG = "ttn";
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static TheThingsNetwork* ttnInstance;
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static QueueHandle_t lmicEventQueue = nullptr;
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static TTNWaitingReason waitingReason = eWaitingNone;
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static TTNProvisioning provisioning;
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#if LMIC_ENABLE_event_logging
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static TTNLogging* logging;
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#endif
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@ -138,25 +137,25 @@ void TheThingsNetwork::startup()
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bool TheThingsNetwork::provision(const char *devEui, const char *appEui, const char *appKey)
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{
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if (!provisioning.decodeKeys(devEui, appEui, appKey))
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if (!ttn_provision_decode_keys(devEui, appEui, appKey))
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return false;
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return provisioning.saveKeys();
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return ttn_provision_save_keys();
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}
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bool TheThingsNetwork::provisionWithMAC(const char *appEui, const char *appKey)
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{
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if (!provisioning.fromMAC(appEui, appKey))
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if (!ttn_provision_from_mac(appEui, appKey))
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return false;
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return provisioning.saveKeys();
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return ttn_provision_save_keys();
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}
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void TheThingsNetwork::startProvisioningTask()
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{
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#if defined(TTN_HAS_AT_COMMANDS)
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provisioning.startTask();
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ttn_provision_start_task();
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#else
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ESP_LOGE(TAG, "AT commands are disabled. Change the configuration using 'make menuconfig'");
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ASSERT(0);
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@ -173,7 +172,7 @@ void TheThingsNetwork::waitForProvisioning()
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return;
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}
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while (!provisioning.haveKeys())
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while (!ttn_provision_have_keys())
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vTaskDelay(pdMS_TO_TICKS(1000));
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ESP_LOGI(TAG, "Device successfully provisioned");
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@ -186,7 +185,7 @@ void TheThingsNetwork::waitForProvisioning()
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bool TheThingsNetwork::join(const char *devEui, const char *appEui, const char *appKey)
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{
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if (!provisioning.decodeKeys(devEui, appEui, appKey))
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if (!ttn_provision_decode_keys(devEui, appEui, appKey))
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return false;
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return joinCore();
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@ -194,9 +193,9 @@ bool TheThingsNetwork::join(const char *devEui, const char *appEui, const char *
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bool TheThingsNetwork::join()
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{
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if (!provisioning.haveKeys())
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if (!ttn_provision_have_keys())
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{
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if (!provisioning.restoreKeys(false))
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if (!ttn_provision_restore_keys(false))
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return false;
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}
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@ -205,7 +204,7 @@ bool TheThingsNetwork::join()
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bool TheThingsNetwork::joinCore()
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{
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if (!provisioning.haveKeys())
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if (!ttn_provision_have_keys())
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{
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ESP_LOGW(TAG, "Device EUI, App EUI and/or App key have not been provided");
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return false;
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@ -271,12 +270,12 @@ void TheThingsNetwork::onMessage(TTNMessageCallback callback)
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bool TheThingsNetwork::isProvisioned()
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{
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if (provisioning.haveKeys())
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if (ttn_provision_have_keys())
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return true;
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provisioning.restoreKeys(true);
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ttn_provision_restore_keys(true);
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return provisioning.haveKeys();
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return ttn_provision_have_keys();
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}
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void TheThingsNetwork::setRSSICal(int8_t rssiCal)
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@ -2,7 +2,7 @@
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*
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* ttn-esp32 - The Things Network device library for ESP-IDF / SX127x
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*
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* Copyright (c) 2018-2019 Manuel Bleichenbacher
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* Copyright (c) 2018-2021 Manuel Bleichenbacher
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*
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* Licensed under MIT License
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* https://opensource.org/licenses/MIT
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@ -10,34 +10,62 @@
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* Task listening on a UART port for provisioning commands.
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*******************************************************************************/
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#include "ttn_provisioning.h"
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#include "freertos/FreeRTOS.h"
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#include "driver/uart.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "esp_system.h"
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#include "nvs_flash.h"
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#include "TTNProvisioning.h"
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#include "lmic/lmic.h"
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#include "hal/hal_esp32.h"
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//#include "hal/hal_esp32.h"
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#if defined(TTN_HAS_AT_COMMANDS)
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const uart_port_t UART_NUM = (uart_port_t) CONFIG_TTN_PROVISION_UART_NUM;
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const int MAX_LINE_LENGTH = 128;
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#define UART_NUM CONFIG_TTN_PROVISION_UART_NUM
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#define MAX_LINE_LENGTH 128
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#endif
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static const char* const TAG = "ttn_prov";
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static const char* const NVS_FLASH_PARTITION = "ttn";
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static const char* const NVS_FLASH_KEY_DEV_EUI = "devEui";
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static const char* const NVS_FLASH_KEY_APP_EUI = "appEui";
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static const char* const NVS_FLASH_KEY_APP_KEY = "appKey";
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#define TAG "ttn_prov"
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#define NVS_FLASH_PARTITION "ttn"
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#define NVS_FLASH_KEY_DEV_EUI "devEui"
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#define NVS_FLASH_KEY_APP_EUI "appEui"
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#define NVS_FLASH_KEY_APP_KEY "appKey"
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#if defined(TTN_HAS_AT_COMMANDS)
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static void provisioning_task(void* pvParameter);
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static void add_line_data(int num_bytes);
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static void detect_line_end(int start_at);
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static void process_line(void);
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#endif
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#if defined(TTN_CONFIG_UART)
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static void config_uart(void);
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#endif
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static bool decode(bool incl_dev_eui, const char *dev_eui, const char *app_eui, const char *app_key);
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static bool read_nvs_value(nvs_handle handle, const char* key, uint8_t* data, size_t expected_length, bool silent);
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static bool write_nvs_value(nvs_handle handle, const char* key, const uint8_t* data, size_t len);
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static bool hex_str_to_bin(const char *hex, uint8_t *buf, int len);
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static int hex_tuple_to_byte(const char *hex);
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static int hex_digit_to_val(char ch);
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static void bin_to_hex_str(const uint8_t* buf, int len, char* hex);
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static char val_to_hex_digit(int val);
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static void swap_bytes(uint8_t* buf, int len);
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static bool is_all_zeros(const uint8_t* buf, int len);
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static uint8_t global_dev_eui[8];
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static uint8_t global_app_eui[8];
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static uint8_t global_app_key[16];
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static bool have_keys = false;
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#if defined(TTN_HAS_AT_COMMANDS)
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void ttn_provisioning_task_caller(void* pvParameter);
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static QueueHandle_t uart_queue;
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static char* line_buf;
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static int line_length;
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static uint8_t last_line_end_char;
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static bool quit_task;
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#endif
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@ -68,11 +96,7 @@ void os_getDevKey (u1_t* buf)
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// --- Constructor
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TTNProvisioning::TTNProvisioning()
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: have_keys(false)
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#if defined(TTN_HAS_AT_COMMANDS)
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, uart_queue(nullptr), line_buf(nullptr), line_length(0), last_line_end_char(0), quit_task(false)
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#endif
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void ttn_provision_init(void)
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{
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}
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@ -81,26 +105,19 @@ TTNProvisioning::TTNProvisioning()
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#if defined(TTN_HAS_AT_COMMANDS)
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void TTNProvisioning::startTask()
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void ttn_provision_start_task(void)
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{
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#if defined(TTN_CONFIG_UART)
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configUART();
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config_uart();
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#endif
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esp_err_t err = uart_driver_install(UART_NUM, 2048, 2048, 20, &uart_queue, 0);
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ESP_ERROR_CHECK(err);
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xTaskCreate(ttn_provisioning_task_caller, "ttn_provision", 2048, this, 1, nullptr);
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xTaskCreate(provisioning_task, "ttn_provision", 2048, NULL, 1, NULL);
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}
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void ttn_provisioning_task_caller(void* pvParameter)
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{
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TTNProvisioning* provisioning = (TTNProvisioning*)pvParameter;
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provisioning->provisioningTask();
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vTaskDelete(nullptr);
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}
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void TTNProvisioning::provisioningTask()
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void provisioning_task(void* pvParameter)
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{
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line_buf = (char*)malloc(MAX_LINE_LENGTH + 1);
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line_length = 0;
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@ -117,7 +134,7 @@ void TTNProvisioning::provisioningTask()
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switch (event.type)
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{
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case UART_DATA:
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addLineData(event.size);
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add_line_data(event.size);
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break;
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case UART_FIFO_OVF:
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@ -133,13 +150,14 @@ void TTNProvisioning::provisioningTask()
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free(line_buf);
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uart_driver_delete(UART_NUM);
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vTaskDelete(NULL);
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}
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void TTNProvisioning::addLineData(int numBytes)
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void add_line_data(int num_bytes)
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{
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int n;
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top:
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n = numBytes;
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n = num_bytes;
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if (line_length + n > MAX_LINE_LENGTH)
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n = MAX_LINE_LENGTH - line_length;
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@ -147,16 +165,16 @@ top:
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int start_at = line_length;
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line_length += n;
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detectLineEnd(start_at);
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detect_line_end(start_at);
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if (n < numBytes)
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if (n < num_bytes)
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{
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numBytes -= n;
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num_bytes -= n;
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goto top;
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}
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}
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void TTNProvisioning::detectLineEnd(int start_at)
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void detect_line_end(int start_at)
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{
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top:
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for (int p = start_at; p < line_length; p++)
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@ -173,7 +191,7 @@ top:
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last_line_end_char = ch;
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if (p > 0)
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processLine();
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process_line();
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memcpy(line_buf, line_buf + p + 1, line_length - p - 1);
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line_length -= p + 1;
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@ -189,7 +207,7 @@ top:
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line_length = 0; // Line too long; flush it
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}
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void TTNProvisioning::processLine()
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void process_line(void)
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{
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bool is_ok = true;
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bool reset_needed = false;
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@ -207,14 +225,14 @@ void TTNProvisioning::processLine()
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char hexbuf[16];
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memcpy(binbuf, global_dev_eui, 8);
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swapBytes(binbuf, 8);
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binToHexStr(binbuf, 8, hexbuf);
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swap_bytes(binbuf, 8);
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bin_to_hex_str(binbuf, 8, hexbuf);
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uart_write_bytes(UART_NUM, hexbuf, 16);
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uart_write_bytes(UART_NUM, "-", 1);
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memcpy(binbuf, global_app_eui, 8);
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swapBytes(binbuf, 8);
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binToHexStr(binbuf, 8, hexbuf);
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swap_bytes(binbuf, 8);
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bin_to_hex_str(binbuf, 8, hexbuf);
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uart_write_bytes(UART_NUM, hexbuf, 16);
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uart_write_bytes(UART_NUM, "-00000000000000000000000000000000\r\n", 35);
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@ -226,9 +244,9 @@ void TTNProvisioning::processLine()
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{
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line_buf[24] = 0;
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line_buf[41] = 0;
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is_ok = decodeKeys(line_buf + 8, line_buf + 25, line_buf + 42);
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is_ok = ttn_provision_decode_keys(line_buf + 8, line_buf + 25, line_buf + 42);
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if (is_ok)
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is_ok = saveKeys();
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is_ok = ttn_provision_save_keys();
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reset_needed = is_ok;
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}
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}
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@ -238,9 +256,9 @@ void TTNProvisioning::processLine()
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if (is_ok)
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{
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line_buf[25] = 0;
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is_ok = fromMAC(line_buf + 9, line_buf + 26);
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is_ok = ttn_provision_from_mac(line_buf + 9, line_buf + 26);
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if (is_ok)
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is_ok = saveKeys();
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is_ok = ttn_provision_save_keys();
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reset_needed = is_ok;
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}
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}
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@ -252,7 +270,7 @@ void TTNProvisioning::processLine()
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esp_err_t err = esp_efuse_mac_get_default(mac);
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ESP_ERROR_CHECK(err);
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binToHexStr(mac, 6, hexbuf);
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bin_to_hex_str(mac, 6, hexbuf);
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for (int i = 0; i < 12; i += 2) {
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if (i > 0)
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uart_write_bytes(UART_NUM, ":", 1);
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@ -268,7 +286,7 @@ void TTNProvisioning::processLine()
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esp_err_t err = esp_efuse_mac_get_default(mac);
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ESP_ERROR_CHECK(err);
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binToHexStr(mac, 6, hexbuf);
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bin_to_hex_str(mac, 6, hexbuf);
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for (int i = 0; i < 12; i += 2) {
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uart_write_bytes(UART_NUM, hexbuf + i, 2);
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if (i == 4)
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@ -287,9 +305,10 @@ void TTNProvisioning::processLine()
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if (reset_needed)
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{
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ttn_hal.enterCriticalSection();
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// TODO
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// ttn_hal.enterCriticalSection();
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LMIC_reset();
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ttn_hal.leaveCriticalSection();
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// ttn_hal.leaveCriticalSection();
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LMIC.client.eventCb(LMIC.client.eventUserData, EV_RESET);
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}
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||||
@ -301,7 +320,7 @@ void TTNProvisioning::processLine()
|
||||
|
||||
#if defined(TTN_CONFIG_UART)
|
||||
|
||||
void TTNProvisioning::configUART()
|
||||
void config_uart(void)
|
||||
{
|
||||
esp_err_t err;
|
||||
|
||||
@ -310,9 +329,7 @@ void TTNProvisioning::configUART()
|
||||
.data_bits = UART_DATA_8_BITS,
|
||||
.parity = UART_PARITY_DISABLE,
|
||||
.stop_bits = UART_STOP_BITS_1,
|
||||
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
|
||||
.rx_flow_ctrl_thresh = 0,
|
||||
.use_ref_tick = false
|
||||
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE
|
||||
};
|
||||
err = uart_param_config(UART_NUM, &uart_config);
|
||||
ESP_ERROR_CHECK(err);
|
||||
@ -326,17 +343,17 @@ void TTNProvisioning::configUART()
|
||||
|
||||
// --- Key handling
|
||||
|
||||
bool TTNProvisioning::haveKeys()
|
||||
bool ttn_provision_have_keys(void)
|
||||
{
|
||||
return have_keys;
|
||||
}
|
||||
|
||||
bool TTNProvisioning::decodeKeys(const char *dev_eui, const char *app_eui, const char *app_key)
|
||||
bool ttn_provision_decode_keys(const char *dev_eui, const char *app_eui, const char *app_key)
|
||||
{
|
||||
return decode(true, dev_eui, app_eui, app_key);
|
||||
}
|
||||
|
||||
bool TTNProvisioning::fromMAC(const char *app_eui, const char *app_key)
|
||||
bool ttn_provision_from_mac(const char *app_eui, const char *app_key)
|
||||
{
|
||||
uint8_t mac[6];
|
||||
esp_err_t err = esp_efuse_mac_get_default(mac);
|
||||
@ -351,33 +368,33 @@ bool TTNProvisioning::fromMAC(const char *app_eui, const char *app_key)
|
||||
global_dev_eui[1] = mac[4];
|
||||
global_dev_eui[0] = mac[5];
|
||||
|
||||
return decode(false, nullptr, app_eui, app_key);
|
||||
return decode(false, NULL, app_eui, app_key);
|
||||
}
|
||||
|
||||
bool TTNProvisioning::decode(bool incl_dev_eui, const char *dev_eui, const char *app_eui, const char *app_key)
|
||||
bool decode(bool incl_dev_eui, const char *dev_eui, const char *app_eui, const char *app_key)
|
||||
{
|
||||
uint8_t buf_dev_eui[8];
|
||||
uint8_t buf_app_eui[8];
|
||||
uint8_t buf_app_key[16];
|
||||
|
||||
if (incl_dev_eui && (strlen(dev_eui) != 16 || !hexStrToBin(dev_eui, buf_dev_eui, 8)))
|
||||
if (incl_dev_eui && (strlen(dev_eui) != 16 || !hex_str_to_bin(dev_eui, buf_dev_eui, 8)))
|
||||
{
|
||||
ESP_LOGW(TAG, "Invalid device EUI: %s", dev_eui);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (incl_dev_eui)
|
||||
swapBytes(buf_dev_eui, 8);
|
||||
swap_bytes(buf_dev_eui, 8);
|
||||
|
||||
if (strlen(app_eui) != 16 || !hexStrToBin(app_eui, buf_app_eui, 8))
|
||||
if (strlen(app_eui) != 16 || !hex_str_to_bin(app_eui, buf_app_eui, 8))
|
||||
{
|
||||
ESP_LOGW(TAG, "Invalid application EUI: %s", app_eui);
|
||||
return false;
|
||||
}
|
||||
|
||||
swapBytes(buf_app_eui, 8);
|
||||
swap_bytes(buf_app_eui, 8);
|
||||
|
||||
if (strlen(app_key) != 32 || !hexStrToBin(app_key, buf_app_key, 16))
|
||||
if (strlen(app_key) != 32 || !hex_str_to_bin(app_key, buf_app_key, 16))
|
||||
{
|
||||
ESP_LOGW(TAG, "Invalid application key: %s", app_key);
|
||||
return false;
|
||||
@ -388,9 +405,9 @@ bool TTNProvisioning::decode(bool incl_dev_eui, const char *dev_eui, const char
|
||||
memcpy(global_app_eui, buf_app_eui, sizeof(global_app_eui));
|
||||
memcpy(global_app_key, buf_app_key, sizeof(global_app_key));
|
||||
|
||||
have_keys = !isAllZeros(global_dev_eui, sizeof(global_dev_eui))
|
||||
&& !isAllZeros(global_app_eui, sizeof(global_app_eui))
|
||||
&& !isAllZeros(global_app_key, sizeof(global_app_key));
|
||||
have_keys = !is_all_zeros(global_dev_eui, sizeof(global_dev_eui))
|
||||
&& !is_all_zeros(global_app_eui, sizeof(global_app_eui))
|
||||
&& !is_all_zeros(global_app_key, sizeof(global_app_key));
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -398,7 +415,7 @@ bool TTNProvisioning::decode(bool incl_dev_eui, const char *dev_eui, const char
|
||||
|
||||
// --- Non-volatile storage
|
||||
|
||||
bool TTNProvisioning::saveKeys()
|
||||
bool ttn_provision_save_keys()
|
||||
{
|
||||
bool result = false;
|
||||
|
||||
@ -413,13 +430,13 @@ bool TTNProvisioning::saveKeys()
|
||||
if (res != ESP_OK)
|
||||
goto done;
|
||||
|
||||
if (!writeNvsValue(handle, NVS_FLASH_KEY_DEV_EUI, global_dev_eui, sizeof(global_dev_eui)))
|
||||
if (!write_nvs_value(handle, NVS_FLASH_KEY_DEV_EUI, global_dev_eui, sizeof(global_dev_eui)))
|
||||
goto done;
|
||||
|
||||
if (!writeNvsValue(handle, NVS_FLASH_KEY_APP_EUI, global_app_eui, sizeof(global_app_eui)))
|
||||
if (!write_nvs_value(handle, NVS_FLASH_KEY_APP_EUI, global_app_eui, sizeof(global_app_eui)))
|
||||
goto done;
|
||||
|
||||
if (!writeNvsValue(handle, NVS_FLASH_KEY_APP_KEY, global_app_key, sizeof(global_app_key)))
|
||||
if (!write_nvs_value(handle, NVS_FLASH_KEY_APP_KEY, global_app_key, sizeof(global_app_key)))
|
||||
goto done;
|
||||
|
||||
res = nvs_commit(handle);
|
||||
@ -433,7 +450,7 @@ done:
|
||||
return result;
|
||||
}
|
||||
|
||||
bool TTNProvisioning::restoreKeys(bool silent)
|
||||
bool ttn_provision_restore_keys(bool silent)
|
||||
{
|
||||
uint8_t buf_dev_eui[8];
|
||||
uint8_t buf_app_eui[8];
|
||||
@ -452,22 +469,22 @@ bool TTNProvisioning::restoreKeys(bool silent)
|
||||
if (res != ESP_OK)
|
||||
goto done;
|
||||
|
||||
if (!readNvsValue(handle, NVS_FLASH_KEY_DEV_EUI, buf_dev_eui, sizeof(global_dev_eui), silent))
|
||||
if (!read_nvs_value(handle, NVS_FLASH_KEY_DEV_EUI, buf_dev_eui, sizeof(global_dev_eui), silent))
|
||||
goto done;
|
||||
|
||||
if (!readNvsValue(handle, NVS_FLASH_KEY_APP_EUI, buf_app_eui, sizeof(global_app_eui), silent))
|
||||
if (!read_nvs_value(handle, NVS_FLASH_KEY_APP_EUI, buf_app_eui, sizeof(global_app_eui), silent))
|
||||
goto done;
|
||||
|
||||
if (!readNvsValue(handle, NVS_FLASH_KEY_APP_KEY, buf_app_key, sizeof(global_app_key), silent))
|
||||
if (!read_nvs_value(handle, NVS_FLASH_KEY_APP_KEY, buf_app_key, sizeof(global_app_key), silent))
|
||||
goto done;
|
||||
|
||||
memcpy(global_dev_eui, buf_dev_eui, sizeof(global_dev_eui));
|
||||
memcpy(global_app_eui, buf_app_eui, sizeof(global_app_eui));
|
||||
memcpy(global_app_key, buf_app_key, sizeof(global_app_key));
|
||||
|
||||
have_keys = !isAllZeros(global_dev_eui, sizeof(global_dev_eui))
|
||||
&& !isAllZeros(global_app_eui, sizeof(global_app_eui))
|
||||
&& !isAllZeros(global_app_key, sizeof(global_app_key));
|
||||
have_keys = !is_all_zeros(global_dev_eui, sizeof(global_dev_eui))
|
||||
&& !is_all_zeros(global_app_eui, sizeof(global_app_eui))
|
||||
&& !is_all_zeros(global_app_key, sizeof(global_app_key));
|
||||
|
||||
if (have_keys)
|
||||
{
|
||||
@ -483,7 +500,7 @@ done:
|
||||
return true;
|
||||
}
|
||||
|
||||
bool TTNProvisioning::readNvsValue(nvs_handle handle, const char* key, uint8_t* data, size_t expected_length, bool silent)
|
||||
bool read_nvs_value(nvs_handle handle, const char* key, uint8_t* data, size_t expected_length, bool silent)
|
||||
{
|
||||
size_t size = expected_length;
|
||||
esp_err_t res = nvs_get_blob(handle, key, data, &size);
|
||||
@ -508,10 +525,10 @@ bool TTNProvisioning::readNvsValue(nvs_handle handle, const char* key, uint8_t*
|
||||
return false;
|
||||
}
|
||||
|
||||
bool TTNProvisioning::writeNvsValue(nvs_handle handle, const char* key, const uint8_t* data, size_t len)
|
||||
bool write_nvs_value(nvs_handle handle, const char* key, const uint8_t* data, size_t len)
|
||||
{
|
||||
uint8_t buf[16];
|
||||
if (readNvsValue(handle, key, buf, len, true) && memcmp(buf, data, len) == 0)
|
||||
if (read_nvs_value(handle, key, buf, len, true) && memcmp(buf, data, len) == 0)
|
||||
return true; // unchanged
|
||||
|
||||
esp_err_t res = nvs_set_blob(handle, key, data, len);
|
||||
@ -523,12 +540,12 @@ bool TTNProvisioning::writeNvsValue(nvs_handle handle, const char* key, const ui
|
||||
|
||||
// --- Helper functions ---
|
||||
|
||||
bool TTNProvisioning::hexStrToBin(const char *hex, uint8_t *buf, int len)
|
||||
bool hex_str_to_bin(const char *hex, uint8_t *buf, int len)
|
||||
{
|
||||
const char* ptr = hex;
|
||||
for (int i = 0; i < len; i++)
|
||||
{
|
||||
int val = hexTupleToByte(ptr);
|
||||
int val = hex_tuple_to_byte(ptr);
|
||||
if (val < 0)
|
||||
return false;
|
||||
buf[i] = val;
|
||||
@ -537,18 +554,18 @@ bool TTNProvisioning::hexStrToBin(const char *hex, uint8_t *buf, int len)
|
||||
return true;
|
||||
}
|
||||
|
||||
int TTNProvisioning::hexTupleToByte(const char *hex)
|
||||
int hex_tuple_to_byte(const char *hex)
|
||||
{
|
||||
int nibble1 = hexDigitToVal(hex[0]);
|
||||
int nibble1 = hex_digit_to_val(hex[0]);
|
||||
if (nibble1 < 0)
|
||||
return -1;
|
||||
int nibble2 = hexDigitToVal(hex[1]);
|
||||
int nibble2 = hex_digit_to_val(hex[1]);
|
||||
if (nibble2 < 0)
|
||||
return -1;
|
||||
return (nibble1 << 4) | nibble2;
|
||||
}
|
||||
|
||||
int TTNProvisioning::hexDigitToVal(char ch)
|
||||
int hex_digit_to_val(char ch)
|
||||
{
|
||||
if (ch >= '0' && ch <= '9')
|
||||
return ch - '0';
|
||||
@ -559,24 +576,24 @@ int TTNProvisioning::hexDigitToVal(char ch)
|
||||
return -1;
|
||||
}
|
||||
|
||||
void TTNProvisioning::binToHexStr(const uint8_t* buf, int len, char* hex)
|
||||
void bin_to_hex_str(const uint8_t* buf, int len, char* hex)
|
||||
{
|
||||
for (int i = 0; i < len; i++)
|
||||
{
|
||||
uint8_t b = buf[i];
|
||||
*hex = valToHexDigit((b & 0xf0) >> 4);
|
||||
*hex = val_to_hex_digit((b & 0xf0) >> 4);
|
||||
hex++;
|
||||
*hex = valToHexDigit(b & 0x0f);
|
||||
*hex = val_to_hex_digit(b & 0x0f);
|
||||
hex++;
|
||||
}
|
||||
}
|
||||
|
||||
char TTNProvisioning::valToHexDigit(int val)
|
||||
char val_to_hex_digit(int val)
|
||||
{
|
||||
return "0123456789ABCDEF"[val];
|
||||
}
|
||||
|
||||
void TTNProvisioning::swapBytes(uint8_t* buf, int len)
|
||||
void swap_bytes(uint8_t* buf, int len)
|
||||
{
|
||||
uint8_t* p1 = buf;
|
||||
uint8_t* p2 = buf + len - 1;
|
||||
@ -590,7 +607,7 @@ void TTNProvisioning::swapBytes(uint8_t* buf, int len)
|
||||
}
|
||||
}
|
||||
|
||||
bool TTNProvisioning::isAllZeros(const uint8_t* buf, int len)
|
||||
bool is_all_zeros(const uint8_t* buf, int len)
|
||||
{
|
||||
for (int i = 0; i < len; i++)
|
||||
if (buf[i] != 0)
|
39
src/ttn_provisioning.h
Normal file
39
src/ttn_provisioning.h
Normal file
@ -0,0 +1,39 @@
|
||||
/*******************************************************************************
|
||||
*
|
||||
* ttn-esp32 - The Things Network device library for ESP-IDF / SX127x
|
||||
*
|
||||
* Copyright (c) 2018-2021 Manuel Bleichenbacher
|
||||
*
|
||||
* Licensed under MIT License
|
||||
* https://opensource.org/licenses/MIT
|
||||
*
|
||||
* Task listening on a UART port for provisioning commands.
|
||||
*******************************************************************************/
|
||||
|
||||
#ifndef TTN_PROVISIONING_H
|
||||
#define TTN_PROVISIONING_H
|
||||
|
||||
#include <stdbool.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
void ttn_provision_init(void);
|
||||
|
||||
|
||||
bool ttn_provision_have_keys(void);
|
||||
bool ttn_provision_decode_keys(const char *dev_eui, const char *app_eui, const char *app_key);
|
||||
bool ttn_provision_from_mac(const char *app_eui, const char *app_key);
|
||||
bool ttn_provision_save_keys(void);
|
||||
bool ttn_provision_restore_keys(bool silent);
|
||||
|
||||
#if defined(TTN_HAS_AT_COMMANDS)
|
||||
void ttn_provision_start_task(void);
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue
Block a user