You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
circuitpython/drivers/memory/spiflash.h

62 lines
2.2 KiB

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016-2018 Damien P. George
*
* 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.
*/
#ifndef MICROPY_INCLUDED_DRIVERS_MEMORY_SPIFLASH_H
#define MICROPY_INCLUDED_DRIVERS_MEMORY_SPIFLASH_H
#include "drivers/bus/qspi.h"
#include "extmod/machine_spi.h"
enum {
MP_SPIFLASH_BUS_SPI,
MP_SPIFLASH_BUS_QSPI,
};
typedef struct _mp_spiflash_config_t {
uint32_t bus_kind;
union {
struct {
mp_hal_pin_obj_t cs;
void *data;
const mp_machine_spi_p_t *proto;
} u_spi;
struct {
void *data;
const mp_qspi_proto_t *proto;
} u_qspi;
} bus;
} mp_spiflash_config_t;
typedef struct _mp_spiflash_t {
const mp_spiflash_config_t *config;
volatile uint32_t flags;
} mp_spiflash_t;
void mp_spiflash_init(mp_spiflash_t *self);
void mp_spiflash_flush(mp_spiflash_t *self);
void mp_spiflash_read(mp_spiflash_t *self, uint32_t addr, size_t len, uint8_t *dest);
int mp_spiflash_write(mp_spiflash_t *self, uint32_t addr, size_t len, const uint8_t *src);
#endif // MICROPY_INCLUDED_DRIVERS_MEMORY_SPIFLASH_H