Initial commit with SWSD003.

Signed-off-by: Yilin Sun <imi415@imi.moe>
2023-06-22 13:46:58 +08:00 · 2023-06-22 13:46:58 +08:00 · 75e2d4fb30
parent 7fe71f4faf
commit 75e2d4fb30
17 changed files with 869 additions and 446 deletions
--- a/.drone.yml
+++ b/.drone.yml
@ -14,4 +14,4 @@ steps:
    commands:
      - mkdir build && cd build
      - cmake -DCMAKE_TOOLCHAIN_FILE=arm-none-eabi.cmake ..
-      - make yzl_wle5_template_FLASH.elf
+      - make yzl_wle5_lora_FLASH.elf
--- a/.gitmodules
+++ b/.gitmodules
@ -1,3 +1,6 @@
 [submodule "SDK"]
 	path = SDK
 	url = https://github.com/STMicroelectronics/STM32CubeWL.git
+[submodule "lib/sx126x/SWSD003"]
+	path = lib/sx126x/SWSD003
+	url = https://github.com/Lora-net/SWSD003.git
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.10)

-project(yzl_wle5_template)
+project(yzl_wle5_lora)

 enable_language(CXX)
 enable_language(ASM)
@ -13,17 +13,25 @@ set(TARGET_SOURCES
    "MX_Generated/Core/Src/gpio.c"
    "MX_Generated/Core/Src/main.c"
    "MX_Generated/Core/Src/rtc.c"
+    "MX_Generated/Core/Src/subghz.c"
    "MX_Generated/Core/Src/stm32wlxx_hal_msp.c"
    "MX_Generated/Core/Src/stm32wlxx_it.c"
    "MX_Generated/Core/Src/system_stm32wlxx.c"
+    "MX_Generated/Core/Src/usart.c"
    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal.c"
    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_cortex.c"
+    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_gpio.c"
    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_pwr.c"
    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_pwr_ex.c"
    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_rcc.c"
    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_rcc_ex.c"
    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_rtc.c"
    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_rtc_ex.c"
+    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_subghz.c"
+    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_uart.c"
+    "SDK/Drivers/STM32WLxx_HAL_Driver/Src/stm32wlxx_hal_uart_ex.c"
+    "src/app_sx126x_impl.c"
+    "src/app_syscalls.c"
    "src/main.c"
 )

@ -43,6 +51,7 @@ set(TARGET_C_INCLUDES

 # Shared libraries linked with application
 set(TARGET_LIBS
+    "sx126x"
    "c"
    "m"
    "nosys"
@ -71,6 +80,8 @@ set(CMAKE_CXX_FLAGS        "${CMAKE_CXX_FLAGS} -Wall -fno-common -fno-builtin -f
 set(CMAKE_ASM_FLAGS        "${CMAKE_C_FLAGS} -x assembler-with-cpp")
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")

+add_subdirectory(lib/sx126x)
+
 # Shared sources, includes and definitions
 add_compile_definitions(${TARGET_C_DEFINES})
 include_directories(${TARGET_C_INCLUDES})
--- a/MX_Generated/Core/Inc/stm32wlxx_hal_conf.h
+++ b/MX_Generated/Core/Inc/stm32wlxx_hal_conf.h
@ -53,9 +53,9 @@
 /*#define HAL_SMARTCARD_MODULE_ENABLED   */
 /*#define HAL_SMBUS_MODULE_ENABLED   */
 /*#define HAL_SPI_MODULE_ENABLED   */
-/*#define HAL_SUBGHZ_MODULE_ENABLED   */
+#define HAL_SUBGHZ_MODULE_ENABLED
 /*#define HAL_TIM_MODULE_ENABLED   */
-/*#define HAL_UART_MODULE_ENABLED   */
+#define HAL_UART_MODULE_ENABLED
 /*#define HAL_USART_MODULE_ENABLED   */
 /*#define HAL_WWDG_MODULE_ENABLED   */
 #define HAL_EXTI_MODULE_ENABLED
--- a/MX_Generated/Core/Inc/subghz.h
+++ b/MX_Generated/Core/Inc/subghz.h
@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    subghz.h
+  * @brief   This file contains all the function prototypes for
+  *          the subghz.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __SUBGHZ_H__
+#define __SUBGHZ_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern SUBGHZ_HandleTypeDef hsubghz;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_SUBGHZ_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SUBGHZ_H__ */
+
--- a/MX_Generated/Core/Inc/usart.h
+++ b/MX_Generated/Core/Inc/usart.h
@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    usart.h
+  * @brief   This file contains all the function prototypes for
+  *          the usart.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USART_H__
+#define __USART_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern UART_HandleTypeDef hlpuart1;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_LPUART1_UART_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __USART_H__ */
+
--- a/MX_Generated/Core/Src/main.c
+++ b/MX_Generated/Core/Src/main.c
@ -18,7 +18,9 @@
 /* USER CODE END Header */
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
+#include "usart.h"
 #include "rtc.h"
+#include "subghz.h"
 #include "gpio.h"

 /* Private includes ----------------------------------------------------------*/
--- a/MX_Generated/Core/Src/subghz.c
+++ b/MX_Generated/Core/Src/subghz.c
@ -0,0 +1,79 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    subghz.c
+  * @brief   This file provides code for the configuration
+  *          of the SUBGHZ instances.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "subghz.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+SUBGHZ_HandleTypeDef hsubghz;
+
+/* SUBGHZ init function */
+void MX_SUBGHZ_Init(void)
+{
+
+  /* USER CODE BEGIN SUBGHZ_Init 0 */
+
+  /* USER CODE END SUBGHZ_Init 0 */
+
+  /* USER CODE BEGIN SUBGHZ_Init 1 */
+
+  /* USER CODE END SUBGHZ_Init 1 */
+  hsubghz.Init.BaudratePrescaler = SUBGHZSPI_BAUDRATEPRESCALER_8;
+  if (HAL_SUBGHZ_Init(&hsubghz) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN SUBGHZ_Init 2 */
+
+  /* USER CODE END SUBGHZ_Init 2 */
+
+}
+
+void HAL_SUBGHZ_MspInit(SUBGHZ_HandleTypeDef* subghzHandle)
+{
+
+  /* USER CODE BEGIN SUBGHZ_MspInit 0 */
+
+  /* USER CODE END SUBGHZ_MspInit 0 */
+    /* SUBGHZ clock enable */
+    __HAL_RCC_SUBGHZSPI_CLK_ENABLE();
+  /* USER CODE BEGIN SUBGHZ_MspInit 1 */
+
+  /* USER CODE END SUBGHZ_MspInit 1 */
+}
+
+void HAL_SUBGHZ_MspDeInit(SUBGHZ_HandleTypeDef* subghzHandle)
+{
+
+  /* USER CODE BEGIN SUBGHZ_MspDeInit 0 */
+
+  /* USER CODE END SUBGHZ_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_SUBGHZSPI_CLK_DISABLE();
+  /* USER CODE BEGIN SUBGHZ_MspDeInit 1 */
+
+  /* USER CODE END SUBGHZ_MspDeInit 1 */
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
--- a/MX_Generated/Core/Src/usart.c
+++ b/MX_Generated/Core/Src/usart.c
@ -0,0 +1,140 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    usart.c
+  * @brief   This file provides code for the configuration
+  *          of the USART instances.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "usart.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+UART_HandleTypeDef hlpuart1;
+
+/* LPUART1 init function */
+
+void MX_LPUART1_UART_Init(void)
+{
+
+  /* USER CODE BEGIN LPUART1_Init 0 */
+
+  /* USER CODE END LPUART1_Init 0 */
+
+  /* USER CODE BEGIN LPUART1_Init 1 */
+
+  /* USER CODE END LPUART1_Init 1 */
+  hlpuart1.Instance = LPUART1;
+  hlpuart1.Init.BaudRate = 115200;
+  hlpuart1.Init.WordLength = UART_WORDLENGTH_8B;
+  hlpuart1.Init.StopBits = UART_STOPBITS_1;
+  hlpuart1.Init.Parity = UART_PARITY_NONE;
+  hlpuart1.Init.Mode = UART_MODE_TX_RX;
+  hlpuart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+  hlpuart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
+  hlpuart1.Init.ClockPrescaler = UART_PRESCALER_DIV8;
+  hlpuart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
+  hlpuart1.FifoMode = UART_FIFOMODE_ENABLE;
+  if (HAL_UART_Init(&hlpuart1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_SetTxFifoThreshold(&hlpuart1, UART_TXFIFO_THRESHOLD_1_2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_SetRxFifoThreshold(&hlpuart1, UART_RXFIFO_THRESHOLD_1_2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_EnableFifoMode(&hlpuart1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN LPUART1_Init 2 */
+
+  /* USER CODE END LPUART1_Init 2 */
+
+}
+
+void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
+{
+
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
+  if(uartHandle->Instance==LPUART1)
+  {
+  /* USER CODE BEGIN LPUART1_MspInit 0 */
+
+  /* USER CODE END LPUART1_MspInit 0 */
+
+  /** Initializes the peripherals clocks
+  */
+    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPUART1;
+    PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_PCLK1;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    /* LPUART1 clock enable */
+    __HAL_RCC_LPUART1_CLK_ENABLE();
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**LPUART1 GPIO Configuration
+    PA2     ------> LPUART1_TX
+    PA3     ------> LPUART1_RX
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF8_LPUART1;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN LPUART1_MspInit 1 */
+
+  /* USER CODE END LPUART1_MspInit 1 */
+  }
+}
+
+void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
+{
+
+  if(uartHandle->Instance==LPUART1)
+  {
+  /* USER CODE BEGIN LPUART1_MspDeInit 0 */
+
+  /* USER CODE END LPUART1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_LPUART1_CLK_DISABLE();
+
+    /**LPUART1 GPIO Configuration
+    PA2     ------> LPUART1_TX
+    PA3     ------> LPUART1_RX
+    */
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
+
+  /* USER CODE BEGIN LPUART1_MspDeInit 1 */
+
+  /* USER CODE END LPUART1_MspDeInit 1 */
+  }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
--- a/MX_Generated/STM32WLE5CBUx.ioc
+++ b/MX_Generated/STM32WLE5CBUx.ioc
@ -5,26 +5,37 @@ CAD.provider=
 File.Version=6
 GPIO.groupedBy=Group By Peripherals
 KeepUserPlacement=false
+LPUART1.BaudRate=115200
+LPUART1.ClockPrescaler=UART_PRESCALER_DIV8
+LPUART1.FIFOMode=UART_FIFOMODE_ENABLE
+LPUART1.IPParameters=BaudRate,ClockPrescaler,FIFOMode,TXFIFOThreshold,RXFIFOThreshold
+LPUART1.RXFIFOThreshold=UART_RXFIFO_THRESHOLD_1_2
+LPUART1.TXFIFOThreshold=UART_TXFIFO_THRESHOLD_1_2
 Mcu.CPN=STM32WLE5CBU6
 Mcu.Family=STM32WL
 Mcu.IP0=DEBUG
-Mcu.IP1=NVIC
-Mcu.IP2=RCC
-Mcu.IP3=RTC
-Mcu.IP4=SYS
-Mcu.IPNb=5
+Mcu.IP1=LPUART1
+Mcu.IP2=NVIC
+Mcu.IP3=RCC
+Mcu.IP4=RTC
+Mcu.IP5=SUBGHZ
+Mcu.IP6=SYS
+Mcu.IPNb=7
 Mcu.Name=STM32WLE5CBUx
 Mcu.Package=UFQFPN48
-Mcu.Pin0=OSC_IN
-Mcu.Pin1=OSC_OUT
-Mcu.Pin2=PA13
-Mcu.Pin3=PC14-OSC32_IN
-Mcu.Pin4=PC15-OSC32_OUT
-Mcu.Pin5=PA14
-Mcu.Pin6=VP_RTC_VS_RTC_Activate
-Mcu.Pin7=VP_RTC_VS_RTC_Calendar
-Mcu.Pin8=VP_SYS_VS_Systick
-Mcu.PinsNb=9
+Mcu.Pin0=PA2
+Mcu.Pin1=PA3
+Mcu.Pin10=VP_SUBGHZ_VS_SUBGHZ
+Mcu.Pin11=VP_SYS_VS_Systick
+Mcu.Pin2=OSC_IN
+Mcu.Pin3=OSC_OUT
+Mcu.Pin4=PA13
+Mcu.Pin5=PC14-OSC32_IN
+Mcu.Pin6=PC15-OSC32_OUT
+Mcu.Pin7=PA14
+Mcu.Pin8=VP_RTC_VS_RTC_Activate
+Mcu.Pin9=VP_RTC_VS_RTC_Calendar
+Mcu.PinsNb=12
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32WLE5CBUx
@ -49,6 +60,12 @@ PA13.Mode=Serial_Wire
 PA13.Signal=DEBUG_JTMS-SWDIO
 PA14.Mode=Serial_Wire
 PA14.Signal=DEBUG_JTCK-SWCLK
+PA2.Locked=true
+PA2.Mode=Asynchronous
+PA2.Signal=LPUART1_TX
+PA3.Locked=true
+PA3.Mode=Asynchronous
+PA3.Signal=LPUART1_RX
 PC14-OSC32_IN.Mode=LSE-External-Oscillator
 PC14-OSC32_IN.Signal=RCC_OSC32_IN
 PC15-OSC32_OUT.Mode=LSE-External-Oscillator
@ -89,7 +106,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=Makefile
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_RTC_Init-RTC-false-HAL-true
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_RTC_Init-RTC-false-HAL-true,4-MX_SUBGHZ_Init-SUBGHZ-false-HAL-true
 RCC.AHBFreq_Value=48000000
 RCC.APB1Freq_Value=48000000
 RCC.APB1TimFreq_Value=48000000
@ -142,6 +159,8 @@ VP_RTC_VS_RTC_Activate.Mode=RTC_Enabled
 VP_RTC_VS_RTC_Activate.Signal=RTC_VS_RTC_Activate
 VP_RTC_VS_RTC_Calendar.Mode=RTC_Calendar
 VP_RTC_VS_RTC_Calendar.Signal=RTC_VS_RTC_Calendar
+VP_SUBGHZ_VS_SUBGHZ.Mode=SUBGHZ_Activate
+VP_SUBGHZ_VS_SUBGHZ.Signal=SUBGHZ_VS_SUBGHZ
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 board=custom
--- a/1
+++ b/1
@ -0,0 +1 @@
+Subproject commit 5b47f70ce5f9016b92a8bedb037d00d86b7c8080
--- a/lib/sx126x/CMakeLists.txt
+++ b/lib/sx126x/CMakeLists.txt
@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.10)
+
+project(sx126x)
+
+set(SX126X_SRCS
+    "SWSD003/sx126x/sx126x_driver/src/lr_fhss_mac.c"
+    "SWSD003/sx126x/sx126x_driver/src/sx126x.c"
+    "SWSD003/sx126x/sx126x_driver/src/sx126x_lr_fhss.c"
+)
+
+set(SX126X_INCS
+    "SWSD003/sx126x/sx126x_driver/src"
+)
+
+add_library(${PROJECT_NAME} ${SX126X_SRCS})
+target_include_directories(${PROJECT_NAME} PUBLIC ${SX126X_INCS})
--- a/lib/sx126x/SWSD003
+++ b/lib/sx126x/SWSD003
@ -0,0 +1 @@
+Subproject commit 760bf8751d86faa8b80cb71417f9a263b8470e15
--- a/src/app_sx126x_impl.c
+++ b/src/app_sx126x_impl.c
@ -0,0 +1,23 @@
+/* HAL drivers */
+#include "stm32wlxx_hal.h"
+
+/* SX126x */
+#include "sx126x_hal.h"
+
+sx126x_hal_status_t sx126x_hal_write(const void* context, const uint8_t* command, const uint16_t command_length,
+                                     const uint8_t* data, const uint16_t data_length) {
+    return SX126X_HAL_STATUS_OK;
+}
+
+sx126x_hal_status_t sx126x_hal_read(const void* context, const uint8_t* command, const uint16_t command_length,
+                                    uint8_t* data, const uint16_t data_length) {
+    return SX126X_HAL_STATUS_OK;
+}
+
+sx126x_hal_status_t sx126x_hal_reset(const void* context) {
+    return SX126X_HAL_STATUS_OK;
+}
+
+sx126x_hal_status_t sx126x_hal_wakeup(const void* context) {
+    return SX126X_HAL_STATUS_OK;
+}
--- a/src/app_syscalls.c
+++ b/src/app_syscalls.c
@ -0,0 +1,18 @@
+#include <unistd.h>
+
+/* HAL drivers */
+#include "stm32wlxx_hal.h"
+
+/* MX Generated */
+#include "usart.h"
+
+int _write(int file, char *ptr, int len) {
+    /* Not TTY write */
+    if (file != STDOUT_FILENO && file != STDERR_FILENO) {
+        return len;
+    }
+
+    HAL_UART_Transmit(&hlpuart1, (uint8_t *)ptr, len, 100);
+
+    return len;
+}
--- a/src/main.c
+++ b/src/main.c
@ -1,9 +1,11 @@
-#include <stdint.h>
+#include <stdio.h>

 /* MX Generated headers */
-#include "main.h"
 #include "gpio.h"
+#include "main.h"
 #include "rtc.h"
+#include "subghz.h"
+#include "usart.h"

 extern void SystemClock_Config(void);

@ -15,6 +17,10 @@ int main(void) {
    MX_GPIO_Init();
    SystemClock_Config();
    MX_RTC_Init();
+    MX_LPUART1_UART_Init();
+    MX_SUBGHZ_Init();
+
+    printf("Initialization completed.\r\n");

    for (;;) {
        /* -- */
				`@ -0,0 +1 @@`
				`Subproject commit 5b47f70ce5f9016b92a8bedb037d00d86b7c8080`
				`@ -0,0 +1 @@`
				`Subproject commit 760bf8751d86faa8b80cb71417f9a263b8470e15`