spi_flash(new driver): Add vTaskDelay while a long erasing
#include "sdkconfig.h"
#include "esp_heap_caps.h"
#include "esp_flash_internal.h"
+#include <freertos/task.h>
+#include "esp_timer.h"
static const char TAG[] = "spi_flash";
@@ -337,8 +339,13 @@ esp_err_t IRAM_ATTR esp_flash_erase_region(esp_flash_t *chip, uint32_t start, ui
err = spiflash_end(chip, err);
}
-
+#ifdef CONFIG_SPI_FLASH_YIELD_DURING_ERASE
+ int64_t no_yield_time_us = 0;
+#endif
while (err == ESP_OK && len >= sector_size) {
+#ifdef CONFIG_SPI_FLASH_YIELD_DURING_ERASE
+ int64_t start_time_us = esp_timer_get_time();
+#endif
err = spiflash_start(chip);
if (err != ESP_OK) {
return err;
@@ -358,6 +365,14 @@ esp_err_t IRAM_ATTR esp_flash_erase_region(esp_flash_t *chip, uint32_t start, ui
}
err = spiflash_end(chip, err);
+
+#ifdef CONFIG_SPI_FLASH_YIELD_DURING_ERASE
+ no_yield_time_us += (esp_timer_get_time() - start_time_us);
+ if (no_yield_time_us / 1000 >= CONFIG_SPI_FLASH_ERASE_YIELD_DURATION_MS) {
+ no_yield_time_us = 0;
+ vTaskDelay(CONFIG_SPI_FLASH_ERASE_YIELD_TICKS);
+ }
+#endif
}
return err;
}
