73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/**
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* @file main.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "bflb_platform.h"
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#include "hal_dma.h"
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uint8_t dma_src_buffer[8000] __attribute__((section(".system_ram")));
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uint8_t dma_dst_buffer[8000] __attribute__((section(".system_ram")));
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void dma_transfer_done(struct device *dev, void *args, uint32_t size, uint32_t state)
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{
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uint32_t index = 0;
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if (!state) {
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for (index = 0; index < 8000; index++) {
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if (dma_dst_buffer[index] != 0xff) {
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BL_CASE_FAIL;
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return;
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}
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}
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BL_CASE_SUCCESS;
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}
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}
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int main(void)
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{
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bflb_platform_init(0);
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dma_register(DMA0_CH0_INDEX, "DMA");
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struct device *dma = device_find("DMA");
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if (dma) {
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device_open(dma, 0);
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device_set_callback(dma, dma_transfer_done);
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device_control(dma, DEVICE_CTRL_SET_INT, NULL);
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}
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/* prepare test memory src as 0xff but dest as 0x0 */
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memset(dma_src_buffer, 0xff, 8000);
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memset(dma_dst_buffer, 0, 8000);
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dma_reload(dma, (uint32_t)dma_src_buffer, (uint32_t)dma_dst_buffer, 8000);
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dma_channel_start(dma);
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BL_CASE_SUCCESS;
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while (1) {
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bflb_platform_delay_ms(100);
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}
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}
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