/* * MIT License * * Copyright (c) 2022 Joey Castillo * * Ported from MIT-licensed code from CircuitPython * Copyright (c) 2016, 2017 Scott Shawcroft for Adafruit Industries * * * Permission is hereby granted, 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. */ #include "watch.h" #define CMD_READ_JEDEC_ID 0x9f #define CMD_READ_DATA 0x03 #define CMD_FAST_READ_DATA 0x0B #define CMD_SECTOR_ERASE 0x20 // #define CMD_SECTOR_ERASE CMD_READ_JEDEC_ID #define CMD_CHIP_ERASE 0xC7 // #define CMD_CHIP_ERASE CMD_READ_JEDEC_ID #define CMD_DISABLE_WRITE 0x04 #define CMD_ENABLE_WRITE 0x06 #define CMD_PAGE_PROGRAM 0x02 // #define CMD_PAGE_PROGRAM CMD_READ_JEDEC_ID #define CMD_READ_STATUS 0x05 #define CMD_READ_STATUS2 0x35 #define CMD_WRITE_STATUS_BYTE1 0x01 #define CMD_WRITE_STATUS_BYTE2 0x31 #define CMD_DUAL_READ 0x3b #define CMD_QUAD_READ 0x6b #define CMD_ENABLE_RESET 0x66 #define CMD_RESET 0x99 #define CMD_WAKE 0xab bool spi_flash_command(uint8_t command); bool spi_flash_read_command(uint8_t command, uint8_t *response, uint32_t length); bool spi_flash_write_command(uint8_t command, uint8_t *data, uint32_t length); bool spi_flash_sector_command(uint8_t command, uint32_t address); bool spi_flash_write_data(uint32_t address, uint8_t *data, uint32_t data_length); bool spi_flash_read_data(uint32_t address, uint8_t *data, uint32_t data_length); void spi_flash_init(void);