mirror of https://github.com/ARMmbed/mbed-os.git
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2016-2023 STMicroelectronics
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* SPDX-License-Identifier: Apache-2.0
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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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#ifndef MBED_OS_STM_SPI_API_H
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#define MBED_OS_STM_SPI_API_H
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#include "spi_device.h"
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#if STM32_SPI_CAPABILITY_DMA
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#include "stm_dma_utils.h"
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#endif
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struct spi_s {
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SPI_HandleTypeDef handle;
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IRQn_Type spiIRQ;
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SPIName spi;
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PinName pin_miso;
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PinName pin_mosi;
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PinName pin_sclk;
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PinName pin_ssel;
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#if DEVICE_SPI_ASYNCH
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uint32_t event;
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uint8_t transfer_type;
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bool curr_transfer_uses_dma;
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// Callback function for when we get an interrupt on an async transfer.
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// This will point, through a bit of indirection, to SPI::irq_handler_asynch()
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// for the correct SPI instance.
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void (*driverCallback)(void);
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#endif
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uint8_t spiIndex; // Index of the SPI peripheral, from 1-6
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#if STM32_SPI_CAPABILITY_DMA
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bool txDMAInitialized;
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bool rxDMAInitialized;
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#endif
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};
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#endif //MBED_OS_STM_SPI_API_H
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