diff options
Diffstat (limited to 'drivers/painter/comms/qp_comms_spi.h')
| -rw-r--r-- | drivers/painter/comms/qp_comms_spi.h | 51 | 
1 files changed, 51 insertions, 0 deletions
| diff --git a/drivers/painter/comms/qp_comms_spi.h b/drivers/painter/comms/qp_comms_spi.h new file mode 100644 index 0000000000..9989987327 --- /dev/null +++ b/drivers/painter/comms/qp_comms_spi.h @@ -0,0 +1,51 @@ +// Copyright 2021 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#ifdef QUANTUM_PAINTER_SPI_ENABLE + +#    include <stdint.h> + +#    include "gpio.h" +#    include "qp_internal.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Base SPI support + +struct qp_comms_spi_config_t { +    pin_t    chip_select_pin; +    uint16_t divisor; +    bool     lsb_first; +    int8_t   mode; +}; + +bool     qp_comms_spi_init(painter_device_t device); +bool     qp_comms_spi_start(painter_device_t device); +uint32_t qp_comms_spi_send_data(painter_device_t device, const void* data, uint32_t byte_count); +void     qp_comms_spi_stop(painter_device_t device); + +extern const struct painter_comms_vtable_t spi_comms_vtable; + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// SPI with D/C and RST pins + +#    ifdef QUANTUM_PAINTER_SPI_DC_RESET_ENABLE + +struct qp_comms_spi_dc_reset_config_t { +    struct qp_comms_spi_config_t spi_config; +    pin_t                        dc_pin; +    pin_t                        reset_pin; +}; + +void     qp_comms_spi_dc_reset_send_command(painter_device_t device, uint8_t cmd); +uint32_t qp_comms_spi_dc_reset_send_data(painter_device_t device, const void* data, uint32_t byte_count); +void     qp_comms_spi_dc_reset_bulk_command_sequence(painter_device_t device, const uint8_t* sequence, size_t sequence_len); + +extern const struct painter_comms_with_command_vtable_t spi_comms_with_dc_vtable; + +#    endif // QUANTUM_PAINTER_SPI_DC_RESET_ENABLE + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +#endif // QUANTUM_PAINTER_SPI_ENABLE | 
