qspi.h 2.2 KB

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  1. /*
  2. * This file is part of the MicroPython project, http://micropython.org/
  3. *
  4. * The MIT License (MIT)
  5. *
  6. * Copyright (c) 2017-2018 Damien P. George
  7. *
  8. * Permission is hereby granted, free of charge, to any person obtaining a copy
  9. * of this software and associated documentation files (the "Software"), to deal
  10. * in the Software without restriction, including without limitation the rights
  11. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12. * copies of the Software, and to permit persons to whom the Software is
  13. * furnished to do so, subject to the following conditions:
  14. *
  15. * The above copyright notice and this permission notice shall be included in
  16. * all copies or substantial portions of the Software.
  17. *
  18. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24. * THE SOFTWARE.
  25. */
  26. #ifndef MICROPY_INCLUDED_DRIVERS_BUS_QSPI_H
  27. #define MICROPY_INCLUDED_DRIVERS_BUS_QSPI_H
  28. #include "py/mphal.h"
  29. enum {
  30. MP_QSPI_IOCTL_INIT,
  31. MP_QSPI_IOCTL_DEINIT,
  32. MP_QSPI_IOCTL_BUS_ACQUIRE,
  33. MP_QSPI_IOCTL_BUS_RELEASE,
  34. };
  35. typedef struct _mp_qspi_proto_t {
  36. int (*ioctl)(void *self, uint32_t cmd);
  37. void (*write_cmd_data)(void *self, uint8_t cmd, size_t len, uint32_t data);
  38. void (*write_cmd_addr_data)(void *self, uint8_t cmd, uint32_t addr, size_t len, const uint8_t *src);
  39. uint32_t (*read_cmd)(void *self, uint8_t cmd, size_t len);
  40. void (*read_cmd_qaddr_qdata)(void *self, uint8_t cmd, uint32_t addr, size_t len, uint8_t *dest);
  41. } mp_qspi_proto_t;
  42. typedef struct _mp_soft_qspi_obj_t {
  43. mp_hal_pin_obj_t cs;
  44. mp_hal_pin_obj_t clk;
  45. mp_hal_pin_obj_t io0;
  46. mp_hal_pin_obj_t io1;
  47. mp_hal_pin_obj_t io2;
  48. mp_hal_pin_obj_t io3;
  49. } mp_soft_qspi_obj_t;
  50. extern const mp_qspi_proto_t mp_soft_qspi_proto;
  51. #endif // MICROPY_INCLUDED_DRIVERS_BUS_QSPI_H