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58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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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_SPI_EXT_API_H
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#define MBED_SPI_EXT_API_H
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#include "device.h"
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#if DEVICE_SPI
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SPI_STATE_READY 0x00
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#define SPI_STATE_RX_BUSY (1<<1)
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#define SPI_STATE_TX_BUSY (1<<2)
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typedef enum {
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SpiRxIrq,
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SpiTxIrq
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} SpiIrq;
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typedef void (*spi_irq_handler)(uint32_t id, SpiIrq event);
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void spi_irq_hook(spi_t *obj, spi_irq_handler handler, uint32_t id);
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int32_t spi_slave_read_stream(spi_t *obj, char *rx_buffer, uint32_t length);
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int32_t spi_slave_write_stream(spi_t *obj, char *tx_buffer, uint32_t length);
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int32_t spi_master_read_stream(spi_t *obj, char *rx_buffer, uint32_t length);
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int32_t spi_master_write_stream(spi_t *obj, char *tx_buffer, uint32_t length);
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int32_t spi_master_write_read_stream(spi_t *obj, char *tx_buffer,
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char *rx_buffer, uint32_t length);
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#ifdef CONFIG_GDMA_EN
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int32_t spi_slave_read_stream_dma(spi_t *obj, char *rx_buffer, uint32_t length);
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int32_t spi_slave_write_stream_dma(spi_t *obj, char *tx_buffer, uint32_t length);
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int32_t spi_master_read_stream_dma(spi_t *obj, char *rx_buffer, uint32_t length);
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int32_t spi_master_write_stream_dma(spi_t *obj, char *tx_buffer, uint32_t length);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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