59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2022 Joey Castillo
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*
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* Ported from MIT-licensed code from CircuitPython
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* Copyright (c) 2016, 2017 Scott Shawcroft for Adafruit Industries
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*
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "watch.h"
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#define CMD_READ_JEDEC_ID 0x9f
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#define CMD_READ_DATA 0x03
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#define CMD_FAST_READ_DATA 0x0B
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#define CMD_SECTOR_ERASE 0x20
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// #define CMD_SECTOR_ERASE CMD_READ_JEDEC_ID
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#define CMD_CHIP_ERASE 0xC7
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// #define CMD_CHIP_ERASE CMD_READ_JEDEC_ID
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#define CMD_DISABLE_WRITE 0x04
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#define CMD_ENABLE_WRITE 0x06
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#define CMD_PAGE_PROGRAM 0x02
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// #define CMD_PAGE_PROGRAM CMD_READ_JEDEC_ID
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#define CMD_READ_STATUS 0x05
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#define CMD_READ_STATUS2 0x35
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#define CMD_WRITE_STATUS_BYTE1 0x01
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#define CMD_WRITE_STATUS_BYTE2 0x31
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#define CMD_DUAL_READ 0x3b
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#define CMD_QUAD_READ 0x6b
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#define CMD_ENABLE_RESET 0x66
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#define CMD_RESET 0x99
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#define CMD_WAKE 0xab
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bool spi_flash_command(uint8_t command);
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bool spi_flash_read_command(uint8_t command, uint8_t *response, uint32_t length);
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bool spi_flash_write_command(uint8_t command, uint8_t *data, uint32_t length);
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bool spi_flash_sector_command(uint8_t command, uint32_t address);
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bool spi_flash_write_data(uint32_t address, uint8_t *data, uint32_t data_length);
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bool spi_flash_read_data(uint32_t address, uint8_t *data, uint32_t data_length);
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void spi_flash_init(void);
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