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106 lines
3.1 KiB
C
106 lines
3.1 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 "display.h"
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#include "drivers/button_id.h"
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#include "stm32f7xx.h"
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#include <stdint.h>
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#include <stdbool.h>
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#define GPIO_Port_NULL ((GPIO_TypeDef *) 0)
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#define GPIO_Pin_NULL ((uint16_t)0x0000)
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// This is generated in order to facilitate the check within the IRQ_MAP macro below
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enum {
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#define IRQ_DEF(num, irq) IS_VALID_IRQ__##irq,
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#include "irq_stm32f7.def"
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#undef IRQ_DEF
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};
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//! Creates a trampoline to the interrupt handler defined within the driver
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#define IRQ_MAP(irq, handler, device) \
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void irq##_IRQHandler(void) { \
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handler(device); \
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} \
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_Static_assert(IS_VALID_IRQ__##irq || true, "(See comment below)")
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/*
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* The above static assert checks that the requested IRQ is valid by checking that the enum
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* value (generated above) is declared. The static assert itself will not trip, but you will get
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* a compilation error from that line if the IRQ does not exist within irq_stm32*.def.
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*/
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typedef struct {
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GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
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const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
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} InputConfig;
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typedef struct {
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GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
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const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
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bool active_high; ///< Pin is active high or active low
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} OutputConfig;
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//! Alternate function pin configuration
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//! Used to configure a pin for use by a peripheral
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typedef struct {
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GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
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const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
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const uint16_t gpio_pin_source; ///< One of GPIO_PinSourceX.
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const uint8_t gpio_af; ///< One of GPIO_AF_X
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} AfConfig;
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typedef struct {
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InputConfig input;
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GPIOPuPd_TypeDef pupd;
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} ButtonConfig;
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// Button Configuration
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/////////////////////////////////////////////////////////////////////////////
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typedef struct {
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const ButtonConfig buttons[NUM_BUTTONS];
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} BoardConfigButton;
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// Power Configuration
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/////////////////////////////////////////////////////////////////////////////
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typedef struct {
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//! Voltage rail control lines
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const OutputConfig rail_4V5_ctrl;
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const OutputConfig rail_6V6_ctrl;
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} BoardConfigPower;
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typedef struct {
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OutputConfig reset_gpio;
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} BoardConfigFlash;
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typedef struct {
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const OutputConfig power_en; //< Enable power supply to the accessory connector.
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} BoardConfigAccessory;
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typedef const struct SPIBus SPIBus;
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typedef const struct SPISlavePort SPISlavePort;
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typedef const struct I2CBus I2CBus;
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typedef const struct I2CSlavePort I2CSlavePort;
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typedef const struct ICE40LPDevice ICE40LPDevice;
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void board_init(void);
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#include "board_definitions.h"
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