Библиотека для хранения настроек, используя встроенную FLASH память микроконтроллера
Исходные файлы библиотеки находятся в Components/NVS_Lib
Пример эмуляции в ОЗУ находится в Core/Src/main.cpp
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "NVS.hpp"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
class SettingsFlash_If : public NVS_IFlash
{
private:
void PageErase(uint8_t *mem_ptr, uint16_t sector, uint32_t sector_size) override
{
FLASH_EraseInitTypeDef EraseDescr =
{
.TypeErase = FLASH_TYPEERASE_PAGES,
.PageAddress = (uint32_t ) mem_ptr,
.NbPages = 1
};
uint32_t Status = 0;
//memset(mem_ptr, 0xFF, sector_size);
HAL_FLASH_Unlock();
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR);
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_PGERR);
HAL_FLASHEx_Erase(&EraseDescr, &Status);
HAL_FLASH_Lock();
}
void WriteData(uint8_t * mem_ptr, uint8_t *data_ptr, uint32_t len) override
{
HAL_FLASH_Unlock();
len = len/4;
uint32_t *U32_data = (uint32_t *) data_ptr;
uint32_t *U32_Mem = (uint32_t *) mem_ptr;
for (uint32_t i = 0; i < len; i++)
{
HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, (uint32_t) &U32_Mem[i], (uint64_t) U32_data[i]);
}
HAL_FLASH_Lock();
}
public:
SettingsFlash_If()
{
// memset(PageBuffer1, 0xFF, sizeof(PageBuffer1));
// memset(PageBuffer2, 0xFF, sizeof(PageBuffer2));
}
};
static const NVS::FlashDesc_t FlashDescriptor[] =
{
{.MemPtr = (uint8_t *) 0x0803F000, .Size = 2048, .Sector = 126},
{.MemPtr = (uint8_t *) 0x0803F800, .Size = 2048, .Sector = 127},
};
static SettingsFlash_If FlashInterface;
static NVS Storage(FlashInterface);
static uint16_t ProbeU16 = 0x35;
static uint32_t ProbeU32 = 0x35;
uint32_t AvalibleSpace = 0;
#if NVS_CONF_USE_STRING_KEY != 0
NVS_Key_t u16_key = "test_u16";
NVS_Key_t u32_key = "test_u32";
#else
NVS_Key_t u16_key = 1;
NVS_Key_t u32_key = 2;
#endif
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
/* USER CODE BEGIN 2 */
Storage.Init((NVS::FlashDesc_t *) FlashDescriptor, 2);
AvalibleSpace = Storage.GetAvaliableSpaceInBytes();
if (!Storage.GetValue(u16_key, ProbeU16))
{
printf("Value was found!\r\n");
}
if (!Storage.GetValue(u32_key, ProbeU32))
{
printf("Value was found!\r\n");
}
printf("Value u32: %lu\r\n", ProbeU32);
printf("Value u16: %u\r\n", ProbeU16);
ProbeU16++;
ProbeU32++;
if (!Storage.SetValue(u16_key, ProbeU16))
{
printf("Write u16 success!\r\n");
}
else
{
printf("Write u16 failed!\r\n");
}
if (!Storage.SetValue(u32_key, ProbeU32))
{
printf("Write u32 success!\r\n");
}
else
{
printf("Write u32 failed!\r\n");
}
HAL_Delay(800);
NVIC_SystemReset();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
{
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOF_CLK_ENABLE();
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}