pebble/platform/silk/boot/src/board/board.h
2025-01-27 11:38:16 -08:00

101 lines
3.2 KiB
C

/*
* 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 "display.h"
#include "drivers/button_id.h"
#include "stm32f4xx_gpio.h"
#include <stdint.h>
#include <stdbool.h>
#define GPIO_Port_NULL ((GPIO_TypeDef *) 0)
#define GPIO_Pin_NULL ((uint16_t)0x0000)
typedef struct {
//! One of EXTI_PortSourceGPIOX
uint8_t exti_port_source;
//! Value between 0-15
uint8_t exti_line;
} ExtiConfig;
typedef struct {
const char* const name; ///< Name for debugging purposes.
GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
ExtiConfig exti;
GPIOPuPd_TypeDef pull;
} ButtonConfig;
typedef struct {
GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
} ButtonComConfig;
typedef struct {
GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
bool active_high; ///< Pin is active high or active low
} OutputConfig;
//! Alternate function pin configuration
//! Used to configure a pin for use by a peripheral
typedef struct {
GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
const uint16_t gpio_pin_source; ///< One of GPIO_PinSourceX.
const uint8_t gpio_af; ///< One of GPIO_AF_X
} AfConfig;
typedef struct {
I2C_TypeDef *const i2c;
AfConfig i2c_scl; ///< Alternate Function configuration for SCL pin
AfConfig i2c_sda; ///< Alternate Function configuration for SDA pin
uint32_t clock_ctrl; ///< Peripheral clock control flag
uint32_t clock_speed; ///< Bus clock speed
uint32_t duty_cycle; ///< Bus clock duty cycle in fast mode
const uint8_t ev_irq_channel; ///< I2C Event interrupt (One of X_IRQn). For example, I2C1_EV_IRQn.
const uint8_t er_irq_channel; ///< I2C Error interrupt (One of X_IRQn). For example, I2C1_ER_IRQn.
void (* const rail_cfg_fn)(void); //! Configure function for pins on this rail.
void (* const rail_ctl_fn)(bool enabled); //! Control function for this rail.
} I2cBusConfig;
typedef enum I2cDevice {
I2C_DEVICE_AS3701B,
} I2cDevice;
typedef struct {
// I2C Configuration
/////////////////////////////////////////////////////////////////////////////
const I2cBusConfig *i2c_bus_configs;
const uint8_t i2c_bus_count;
const uint8_t *i2c_device_map;
const uint8_t i2c_device_count;
} BoardConfig;
// Button Configuration
/////////////////////////////////////////////////////////////////////////////
typedef struct {
const ButtonConfig buttons[NUM_BUTTONS];
const ButtonComConfig button_com;
} BoardConfigButton;
#include "board_definitions.h"