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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "drivers/gpio.h"
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#include <stdbool.h>
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// GPIO constants
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#define DISP_SPI SPI6
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#define DISP_GPIO GPIOG
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#define DISPLAY_SPI_CLOCK_PERIPH SpiPeriphClockAPB2
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#define DISPLAY_SPI_CLOCK RCC_APB2Periph_SPI6
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#define DISP_PIN_SCS GPIO_Pin_8
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#define DISP_PIN_CDONE GPIO_Pin_9
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#define DISP_PIN_BUSY GPIO_Pin_10
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#define DISP_PIN_SO GPIO_Pin_12
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#define DISP_PIN_SCLK GPIO_Pin_13
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#define DISP_PIN_SI GPIO_Pin_14
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#define DISP_PIN_CRESET GPIO_Pin_15
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#define GPIO_PINSOURCE_SCK GPIO_PinSource13
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#define GPIO_PINSOURCE_MOSI GPIO_PinSource14
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#define GPIO_PINSOURCE_MISO GPIO_PinSource12
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bool display_busy(void);
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void display_start(void);
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bool display_program(const uint8_t *fpga_bitstream, uint32_t bitstream_size);
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void display_write_byte(uint8_t d);
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uint8_t display_write_and_read_byte(uint8_t d);
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void display_power_enable(void);
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void display_power_disable(void);
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