4e48700f9a
The spiflash memory driver is reworked to allow the underlying bus to be either normal SPI or QSPI. In both cases the bus can be implemented in software or hardware, as long as the spiflash driver is passed the correct configuration structure.
63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/*
|
|
* 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
|