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Import of the watch repository from Pebble

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Matthieu Jeanson 2024-12-12 16:43:03 -08:00 • committed by Katharine Berry
commit 3b92768480
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48
platform/snowy/boot/src/drivers/display/ice40lp.h Normal file
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/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "drivers/gpio.h"
#include <stdbool.h>
// GPIO constants
#define DISP_SPI SPI6
#define DISP_GPIO GPIOG
#define DISPLAY_SPI_CLOCK_PERIPH SpiPeriphClockAPB2
#define DISPLAY_SPI_CLOCK RCC_APB2Periph_SPI6
#define DISP_PIN_SCS GPIO_Pin_8
#define DISP_PIN_CDONE GPIO_Pin_9
#define DISP_PIN_BUSY GPIO_Pin_10
#define DISP_PIN_SO GPIO_Pin_12
#define DISP_PIN_SCLK GPIO_Pin_13
#define DISP_PIN_SI GPIO_Pin_14
#define DISP_PIN_CRESET GPIO_Pin_15
#define GPIO_PINSOURCE_SCK GPIO_PinSource13
#define GPIO_PINSOURCE_MOSI GPIO_PinSource14
#define GPIO_PINSOURCE_MISO GPIO_PinSource12
bool display_busy(void);
void display_start(void);
bool display_program(const uint8_t *fpga_bitstream, uint32_t bitstream_size);
void display_write_byte(uint8_t d);
uint8_t display_write_and_read_byte(uint8_t d);
void display_power_enable(void);
void display_power_disable(void);