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- /*
- * ESPRSSIF MIT License
- *
- * Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
- *
- * Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
- * it is free of charge, to any person obtaining a copy of this software and associated
- * documentation files (the "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
- * to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or
- * substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
- #ifndef SPI_OVERLAP_APP_H
- #define SPI_OVERLAP_APP_H
- #include "ets_sys.h"
- #include "spi_flash.h"
- #define HSPI_OVERLAP
- //#define NO_HSPI_DEVICE
- #define HOST_INF_SEL 0x3ff00028
- #define FUNC_SPI_CS2 1
- #define FUNC_SPI_CS1 1
- #define reg_cspi_overlap (BIT7)
- #define SPI_FLASH_BYTES_LEN 24
- #define IODATA_START_ADDR BIT0
- #define SPI_BUFF_BYTE_NUM 32
- #define PERIPHS_IO_MUX_BACKUP 0
- #define SPI_USER_BACKUP 1
- #define SPI_CTRL_BACKUP 2
- #define SPI_CLOCK_BACKUP 3
- #define SPI_USER1_BACKUP 4
- #define SPI_USER2_BACKUP 5
- #define SPI_CMD_BACKUP 6
- #define SPI_PIN_BACKUP 7
- #define SPI_SLAVE_BACKUP 8
- #define HSPI_CS_DEV 0
- #define SPI_CS1_DEV 1
- #define SPI_CS2_DEV 2
- #define SPI_CS0_FLASH 3
- #define HSPI_IDLE 4
- struct hspi_device_config{
- uint8 active:1;
- uint8 clk_polar:1;
- uint8 res:1;
- uint8 clk_div:5;
- };
- struct hspi_device_register{
- uint32 hspi_flash_reg_backup[9];
- uint32 hspi_dev_reg_backup[9];
- struct hspi_device_config hspi_dev_conf[4];
- uint8 selected_dev_num:3;
- uint8 spi_io_80m:1;
- uint8 hspi_reg_backup_flag:1;
- uint8 res:3;
- };
- void hspi_overlap_init(void);
- void hspi_overlap_deinit(void);
- void spi_reg_recover(uint8 spi_no,uint32* backup_mem);
- void spi_reg_backup(uint8 spi_no,uint32* backup_mem);
- void hspi_master_dev_init(uint8 dev_no,uint8 clk_polar,uint8 clk_div);
- void hspi_dev_sel(uint8 dev_no);
- void hspi_overlap_flash_init(void);
- SpiFlashOpResult hspi_overlap_read_flash_data(SpiFlashChip * spi, uint32 flash_addr, uint32 * addr_dest, uint32 byte_length);
- #endif
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