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新增文件检测功能，找不到索引就新建文件

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ipason 2025-04-21 17:46:58 +08:00
parent 0095bbf59d
commit a2605479a5
2 changed files with 33 additions and 17 deletions
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2
components/FluxPower/Flux_Power.h
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@ -40,7 +40,7 @@ extern "C" {
#define LEDC_DUTY (4096) // Set duty to 50%. (2 ** 13) * 50% = 4096
#define LEDC_FREQUENCY (4000) // Frequency in Hertz. Set frequency at 4 kHz
#define DEFAULT_LIGHT (9000)
#define DEFAULT_LIGHT (900)
/* 定义进行电池AD采样的通道 */
#define BATTERY_ADC_CHANNEL ADC_CHANNEL_8

48
components/FluxSD/FluxSD.c
View File

@ -251,37 +251,53 @@ void flux_sd_init(void)
/**
* @brief 获取文件索引
*
* 每次开机后重置当前文件索引值
* 1.每次开机后重置当前文件索引值
* 以该索引值新建日志文件、测试结果输出文件
*
* 2.当用于存储索引的文件不存在时进行自动新建索引文件
*/
esp_err_t sd_current_fileIndex_get(void)
{
/* 读取当前文件索引值 */
ESP_LOGI(SD_TAG, "Opening file %s", INDEX_FILE_NAME);
FILE *f = fopen(INDEX_FILE_NAME, "r");
if (f == NULL) {
ESP_LOGE(SD_TAG, "Failed to open file for reading");
return ESP_FAIL;
/* 判断文件是否存在 */
if (access(INDEX_FILE_NAME, F_OK) == -1)
{
/*当文件不存在时创建文件*/
FILE *new_f = fopen(INDEX_FILE_NAME, "w");
fprintf(new_f, "0");
fclose(new_f);
sdData.file_index = 0;
ESP_LOGI(SD_TAG, "File not found, creating new file");
}else{
/* 当文件存在时直接获取当前索引值 */
FILE *f = fopen(INDEX_FILE_NAME, "r");
if (f == NULL) {
ESP_LOGE(SD_TAG, "Failed to open file for reading");
return ESP_FAIL;
}
char line[EXAMPLE_MAX_CHAR_SIZE];
fgets(line, sizeof(line), f);
fclose(f);
sdData.file_index = atoi(line);
ESP_LOGI(SD_TAG, "Read from file: '%s' , current Index = %d", line,sdData.file_index);
}
char line[EXAMPLE_MAX_CHAR_SIZE];
fgets(line, sizeof(line), f);
fclose(f);
sdData.file_index = atoi(line);
ESP_LOGI(SD_TAG, "Read from file: '%s' , current Index = %d", line,sdData.file_index);
/* 重置索引值 */
f = fopen(INDEX_FILE_NAME, "w");
if (f == NULL)
FILE *new_index_f = fopen(INDEX_FILE_NAME, "w");
if (new_index_f == NULL)
{
return ESP_FAIL;
}
fprintf(f, "%d", sdData.file_index+1);
fclose(f);
fprintf(new_index_f, "%d", sdData.file_index+1);
fclose(new_index_f);
return ESP_OK;
}