diff options
Diffstat (limited to 'drivers/bus/qspi.h')
| -rw-r--r-- | drivers/bus/qspi.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/bus/qspi.h b/drivers/bus/qspi.h new file mode 100644 index 000000000..31c9d14fc --- /dev/null +++ b/drivers/bus/qspi.h @@ -0,0 +1,57 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2017-2018 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_BUS_QSPI_H +#define MICROPY_INCLUDED_DRIVERS_BUS_QSPI_H + +#include "py/mphal.h" + +enum { + MP_QSPI_IOCTL_INIT, + MP_QSPI_IOCTL_DEINIT, + MP_QSPI_IOCTL_BUS_ACQUIRE, + MP_QSPI_IOCTL_BUS_RELEASE, +}; + +typedef struct _mp_qspi_proto_t { + int (*ioctl)(void *self, uint32_t cmd); + void (*write_cmd_data)(void *self, uint8_t cmd, size_t len, uint32_t data); + void (*write_cmd_addr_data)(void *self, uint8_t cmd, uint32_t addr, size_t len, const uint8_t *src); + uint32_t (*read_cmd)(void *self, uint8_t cmd, size_t len); + void (*read_cmd_qaddr_qdata)(void *self, uint8_t cmd, uint32_t addr, size_t len, uint8_t *dest); +} mp_qspi_proto_t; + +typedef struct _mp_soft_qspi_obj_t { + mp_hal_pin_obj_t cs; + mp_hal_pin_obj_t clk; + mp_hal_pin_obj_t io0; + mp_hal_pin_obj_t io1; + mp_hal_pin_obj_t io2; + mp_hal_pin_obj_t io3; +} mp_soft_qspi_obj_t; + +extern const mp_qspi_proto_t mp_soft_qspi_proto; + +#endif // MICROPY_INCLUDED_DRIVERS_BUS_QSPI_H |
