alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-11 13:00:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

esp-rom: add missing spi-flash ROM API functions

Browse Source 
Added symbols for the SPI flash API which we export from the ROM interface,
deleted functions which are not exported.

Closes https://github.com/espressif/esp-idf/issues/1212
This commit is contained in:
Marius Vikhammer
2022-08-08 16:34:10 +08:00
parent 5d23a757d6
commit cfbe0a035b
12 changed files with 32 additions and 132 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
components/esp_rom/include/esp32/rom/spi_flash.h
View File

@@ -448,71 +448,6 @@ esp_rom_spiflash_result_t esp_rom_spiflash_write_disable(void);
*/
esp_rom_spiflash_result_t esp_rom_spiflash_write_enable(esp_rom_spiflash_chip_t *spi);
/**
* @brief Fix the bug in SPI hardware communication with Flash/Ext-SRAM in High Speed.
* Please do not call this function in SDK.
*
* @param uint8_t spi: 0 for SPI0(Cache Access), 1 for SPI1(Flash read/write).
*
* @param uint8_t freqdiv: Pll is 80M, 4 for 20M, 3 for 26.7M, 2 for 40M, 1 for 80M.
*
* @return None
*/
void esp_rom_spiflash_fix_dummylen(uint8_t spi, uint8_t freqdiv);
/**
* @brief Select SPI Flash to QIO mode when WP pad is read from Flash.
* Please do not call this function in SDK.
*
* @param uint8_t wp_gpio_num: WP gpio number.
*
* @param uint32_t ishspi: 0 for spi, 1 for hspi, flash pad decided by strapping
* else, bit[5:0] spiclk, bit[11:6] spiq, bit[17:12] spid, bit[23:18] spics0, bit[29:24] spihd
*
* @return None
*/
void esp_rom_spiflash_select_qiomode(uint8_t wp_gpio_num, uint32_t ishspi);
/**
* @brief Set SPI Flash pad drivers.
* Please do not call this function in SDK.
*
* @param uint8_t wp_gpio_num: WP gpio number.
*
* @param uint32_t ishspi: 0 for spi, 1 for hspi, flash pad decided by strapping
* else, bit[5:0] spiclk, bit[11:6] spiq, bit[17:12] spid, bit[23:18] spics0, bit[29:24] spihd
*
* @param uint8_t *drvs: drvs[0]-bit[3:0] for cpiclk, bit[7:4] for spiq, drvs[1]-bit[3:0] for spid, drvs[1]-bit[7:4] for spid
* drvs[2]-bit[3:0] for spihd, drvs[2]-bit[7:4] for spiwp.
* Values usually read from falsh by rom code, function usually callde by rom code.
* if value with bit(3) set, the value is valid, bit[2:0] is the real value.
*
* @return None
*/
void esp_rom_spiflash_set_drvs(uint8_t wp_gpio_num, uint32_t ishspi, uint8_t *drvs);
/**
* @brief Select SPI Flash function for pads.
* Please do not call this function in SDK.
*
* @param uint32_t ishspi: 0 for spi, 1 for hspi, flash pad decided by strapping
* else, bit[5:0] spiclk, bit[11:6] spiq, bit[17:12] spid, bit[23:18] spics0, bit[29:24] spihd
*
* @return None
*/
void esp_rom_spiflash_select_padsfunc(uint32_t ishspi);
/**
* @brief Send CommonCmd to Flash so that is can go into QIO mode, some Flash use different CMD.
* Please do not call this function in SDK.
*
* @param esp_rom_spiflash_common_cmd_t *cmd : A struct to show the action of a command.
*
* @return uint16_t 0 : do not send command any more.
* 1 : go to the next command.
* n > 1 : skip (n - 1) commands.
*/
uint16_t esp_rom_spiflash_common_cmd(esp_rom_spiflash_common_cmd_t *cmd);
#ifdef __cplusplus
}