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qmk_firmware

custom branch of QMK firmware git clone https://anongit.hacktivis.me/git/qmk_firmware.git

qp_comms_spi.h (2006B)

    

  1. // Copyright 2021 Nick Brassel (@tzarc)
  2. // SPDX-License-Identifier: GPL-2.0-or-later
  3. #pragma once
  5. #ifdef QUANTUM_PAINTER_SPI_ENABLE
  7. #    include <stdint.h>
  9. #    include "gpio.h"
  10. #    include "qp_internal.h"
  12. ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  13. // Base SPI support
  15. typedef struct qp_comms_spi_config_t {
  16.     pin_t    chip_select_pin;
  17.     uint16_t divisor;
  18.     bool     lsb_first;
  19.     int8_t   mode;
  20. } qp_comms_spi_config_t;
  22. bool     qp_comms_spi_init(painter_device_t device);
  23. bool     qp_comms_spi_start(painter_device_t device);
  24. uint32_t qp_comms_spi_send_data(painter_device_t device, const void* data, uint32_t byte_count);
  25. void     qp_comms_spi_stop(painter_device_t device);
  27. extern const painter_comms_vtable_t spi_comms_vtable;
  29. ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  30. // SPI with D/C and RST pins
  32. #    ifdef QUANTUM_PAINTER_SPI_DC_RESET_ENABLE
  34. typedef struct qp_comms_spi_dc_reset_config_t {
  35.     qp_comms_spi_config_t spi_config;
  36.     pin_t                 dc_pin;
  37.     pin_t                 reset_pin;
  38.     bool                  command_params_uses_command_pin; // keep D/C held low when sending command sequences for data bytes
  39. } qp_comms_spi_dc_reset_config_t;
  41. bool     qp_comms_spi_dc_reset_init(painter_device_t device);
  42. void     qp_comms_spi_dc_reset_send_command(painter_device_t device, uint8_t cmd);
  43. uint32_t qp_comms_spi_dc_reset_send_data(painter_device_t device, const void* data, uint32_t byte_count);
  44. void     qp_comms_spi_dc_reset_bulk_command_sequence(painter_device_t device, const uint8_t* sequence, size_t sequence_len);
  46. extern const painter_comms_with_command_vtable_t spi_comms_with_dc_vtable;
  48. #    endif // QUANTUM_PAINTER_SPI_DC_RESET_ENABLE
  50. ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  52. #endif // QUANTUM_PAINTER_SPI_ENABLE