mirror of
https://github.com/google/pebble.git
synced 2025-05-04 00:41:40 -04:00
45 lines
1.2 KiB
C
45 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 "board/board.h"
|
|
|
|
#include "freertos_types.h"
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
#define QSPI_NUM_DATA_PINS (4)
|
|
|
|
typedef struct QSPIPortState {
|
|
SemaphoreHandle_t dma_semaphore;
|
|
int use_count;
|
|
} QSPIPortState;
|
|
|
|
typedef const struct QSPIPort {
|
|
QSPIPortState *state;
|
|
uint32_t clock_speed_hz;
|
|
uint16_t auto_polling_interval;
|
|
uint32_t clock_ctrl;
|
|
AfConfig cs_gpio;
|
|
AfConfig clk_gpio;
|
|
AfConfig data_gpio[QSPI_NUM_DATA_PINS];
|
|
DMARequest *dma;
|
|
} QSPIPort;
|
|
|
|
//! Initialize the QSPI peripheral, the pins, and the DMA
|
|
void qspi_init(QSPIPort *dev, uint32_t flash_size);
|