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esp_flash: fix the write performance regression

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Also changed internal delay unit into microsecond.
This commit is contained in:
Michael (XIAO Xufeng)
2020-05-08 17:35:22 +08:00
parent f67044c822
commit 651eb1a694
5 changed files with 53 additions and 43 deletions
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8
components/spi_flash/include/spi_flash_chip_generic.h
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@@ -193,14 +193,14 @@ esp_err_t spi_flash_chip_generic_get_write_protect(esp_flash_t *chip, bool *out_
* progress bit) to be cleared.
*
* @param chip Pointer to SPI flash chip to use. If NULL, esp_flash_default_chip is substituted.
* @param timeout_ms Time to wait before timeout, in ms.
* @param timeout_us Time to wait before timeout, in us.
*
* @return
* - ESP_OK if success
* - ESP_ERR_TIMEOUT if not idle before timeout
* - or other error passed from the ``wait_idle`` or ``read_status`` function of host driver
*/
esp_err_t spi_flash_chip_generic_wait_idle(esp_flash_t *chip, uint32_t timeout_ms);
esp_err_t spi_flash_chip_generic_wait_idle(esp_flash_t *chip, uint32_t timeout_us);
/**
* @brief Set the specified SPI read mode according to the data in the chip
@@ -247,7 +247,7 @@ extern const spi_flash_chip_t esp_flash_chip_generic;
* spi_flash_chip_generic_wait_idle() and may be useful when implementing
* alternative drivers.
*
* timeout_ms will be decremented if the function needs to wait until the host hardware is idle.
* timeout_us will be decremented if the function needs to wait until the host hardware is idle.
*
* @param chip Pointer to SPI flash chip to use. If NULL, esp_flash_default_chip is substituted.
*
@@ -256,7 +256,7 @@ extern const spi_flash_chip_t esp_flash_chip_generic;
* - ESP_ERR_TIMEOUT if not idle before timeout
* - or other error passed from the ``set_write_protect`` or ``common_command`` function of host driver
*/
esp_err_t spi_flash_generic_wait_host_idle(esp_flash_t *chip, uint32_t *timeout_ms);
esp_err_t spi_flash_generic_wait_host_idle(esp_flash_t *chip, uint32_t *timeout_us);
/// Function pointer type for reading status register with QE bit.
typedef esp_err_t (*esp_flash_rdsr_func_t)(esp_flash_t* chip, uint32_t* out_sr);