mirror of
https://github.com/google/pebble.git
synced 2025-05-05 09:21:40 -04:00
37 lines
1.2 KiB
C
37 lines
1.2 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 <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
typedef enum I2CDutyCycle {
|
|
I2CDutyCycle_16_9,
|
|
I2CDutyCycle_2
|
|
} I2CDutyCycle;
|
|
|
|
typedef struct I2CBusHal {
|
|
I2C_TypeDef *const i2c;
|
|
uint32_t clock_ctrl; ///< Peripheral clock control flag
|
|
uint32_t clock_speed; ///< Bus clock speed
|
|
I2CDutyCycle duty_cycle; ///< Bus clock duty cycle in fast mode
|
|
IRQn_Type ev_irq_channel; ///< I2C Event interrupt (One of X_IRQn). For example, I2C1_EV_IRQn.
|
|
IRQn_Type er_irq_channel; ///< I2C Error interrupt (One of X_IRQn). For example, I2C1_ER_IRQn.
|
|
} I2CBusHal;
|
|
|
|
void i2c_hal_event_irq_handler(I2CBus *device);
|
|
void i2c_hal_error_irq_handler(I2CBus *device);
|