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spi_flash: Add auto suspend mode on esp32c3

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This commit is contained in:
Cao Sen Miao
2020-12-18 12:57:55 +08:00
parent 1f37a5f162
commit 9905da46e0
30 changed files with 759 additions and 170 deletions
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26
components/spi_flash/include/spi_flash_chip_generic.h
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@@ -255,24 +255,6 @@ extern const spi_flash_chip_t esp_flash_chip_generic;
* Utilities
*******************************************************************************/
/**
* @brief Wait for the SPI host hardware state machine to be idle.
*
* This isn't a flash chip_drv operation, but it's called by
* spi_flash_chip_generic_wait_idle() and may be useful when implementing
* alternative drivers.
*
* 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.
*
* @return
* - ESP_OK if success
* - 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_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);
@@ -394,5 +376,13 @@ esp_err_t spi_flash_chip_generic_config_host_io_mode(esp_flash_t *chip, bool add
*/
esp_err_t spi_flash_chip_generic_yield(esp_flash_t* chip, uint32_t wip);
/**
* @brief Setup for flash suspend command configuration.
*
* @param chip Pointer to SPI flash chip to use. If NULL, esp_flash_default_chip is substituted.
* @return ESP_OK
*/
esp_err_t spi_flash_chip_generic_suspend_cmd_conf(esp_flash_t *chip);
/// Default timeout configuration used by most chips
const flash_chip_op_timeout_t spi_flash_chip_generic_timeout;