104 lines
4.6 KiB
C
104 lines
4.6 KiB
C
/**
|
|
* @file main.c
|
|
* @brief
|
|
*
|
|
* Copyright (c) 2021 Bouffalolab team
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you 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.
|
|
*
|
|
*/
|
|
#include "hal_dac.h"
|
|
#include "hal_dma.h"
|
|
|
|
const uint16_t sinList[]={
|
|
500 ,506 ,513 ,519 ,525 ,531 ,538 ,544 ,550 ,556 ,
|
|
563 ,569 ,575 ,581 ,587 ,594 ,600 ,606 ,612 ,618 ,
|
|
624 ,630 ,636 ,642 ,648 ,654 ,660 ,666 ,672 ,678 ,
|
|
684 ,690 ,696 ,701 ,707 ,713 ,718 ,724 ,730 ,735 ,
|
|
741 ,746 ,752 ,757 ,762 ,768 ,773 ,778 ,784 ,789 ,
|
|
794 ,799 ,804 ,809 ,814 ,819 ,823 ,828 ,833 ,838 ,
|
|
842 ,847 ,851 ,856 ,860 ,864 ,869 ,873 ,877 ,881 ,
|
|
885 ,889 ,893 ,897 ,901 ,904 ,908 ,912 ,915 ,919 ,
|
|
922 ,925 ,929 ,932 ,935 ,938 ,941 ,944 ,947 ,950 ,
|
|
952 ,955 ,958 ,960 ,962 ,965 ,967 ,969 ,971 ,973 ,
|
|
975 ,977 ,979 ,981 ,983 ,984 ,986 ,987 ,989 ,990 ,
|
|
991 ,992 ,993 ,994 ,995 ,996 ,997 ,997 ,998 ,999 ,
|
|
999 ,999 ,1000 ,1000 ,1000 ,1000 ,1000 ,1000 ,1000 ,
|
|
999 ,999 ,999 ,998 ,998 ,997 ,996 ,995 ,994 ,993 ,
|
|
992 ,991 ,990 ,989 ,987 ,986 ,984 ,983 ,981 ,979 ,
|
|
978 ,976 ,974 ,972 ,970 ,967 ,965 ,963 ,960 ,958 ,955 ,953 ,950 ,947 ,944 ,941 ,938 ,935 ,
|
|
932 ,929 ,926 ,922 ,919 ,916 ,912 ,908 ,905 ,901 ,897 ,893 ,890 ,886 ,882 ,878 ,873 ,869 ,
|
|
865 ,861 ,856 ,852 ,847 ,843 ,838 ,833 ,829 ,824 ,819 ,814 ,809 ,804 ,799 ,794 ,789 ,784 ,
|
|
779 ,774 ,768 ,763 ,758 ,752 ,747 ,741 ,736 ,730 ,725 ,719 ,714 ,708 ,702 ,696 ,691 ,685 ,679 ,
|
|
673 ,667 ,661 ,655 ,649 ,643 ,637 ,631 ,625 ,619 ,613 ,607 ,601 ,594 ,588 ,582 ,576 ,570 ,563 ,
|
|
557 ,551 ,545 ,538 ,532 ,526 ,520 ,513 ,507 ,501 ,495 ,488 ,482 ,476 ,469 ,463 ,457 ,451 ,444 ,
|
|
438 ,432 ,426 ,420 ,413 ,407 ,401 ,395 ,389 ,383 ,376 ,370 ,364 ,358 ,352 ,346 ,340 ,334 ,329 ,
|
|
323 ,317 ,311 ,305 ,299 ,294 ,288 ,282 ,277 ,271 ,265 ,260 ,254 ,249 ,244 ,238 ,233 ,228 ,222 ,
|
|
217 ,212 ,207 ,202 ,197 ,192 ,187 ,182 ,177 ,172 ,168 ,163 ,158 ,154 ,149 ,145 ,141 ,136 ,132 ,128 ,124 ,
|
|
119 ,115 ,111 ,107 ,104 ,100 ,96 ,92 ,89 ,85 ,82 ,78 ,75 ,72 ,69 ,65 ,62 ,59 ,56 ,54 ,51 ,48 ,45 ,43 ,40 ,38 ,
|
|
36 ,33 ,31 ,29 ,27 ,25 ,23 ,21 ,19 ,18 ,16 ,14 ,13 ,12 ,10 ,9 ,8 ,7 ,6 ,5 ,4 ,3 ,3 ,2 ,2 ,1 ,1 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,1 ,1 ,1 ,2 ,2 ,3 ,4 ,5 ,5 ,6 ,8 ,9 ,10 ,11 ,
|
|
12 ,14 ,15 ,17 ,19 ,20 ,22 ,24 ,26 ,28 ,30 ,32 ,35 ,37 ,39 ,42 ,44 ,47 ,50 ,52 ,55 ,58 ,61 ,64 ,67 ,71 ,74 ,77 ,81 ,84 ,87 ,91 ,95 ,98 ,102 ,106 ,110 ,114 ,118 ,122 ,
|
|
126 ,130 ,135 ,139 ,143 ,148 ,152 ,157 ,161 ,166 ,171 ,175 ,180 ,185 ,190 ,195 ,200 ,205 ,210 ,215 ,220 ,226 ,231 ,236 ,242 ,247 ,252 ,258 ,263 ,269 ,274 ,280 ,286 ,
|
|
291 ,297 ,303 ,309 ,315 ,320 ,326 ,332 ,338 ,344 ,350 ,356 ,362 ,368 ,374 ,380 ,386 ,392 ,399 ,405 ,411 ,417 ,423 ,430 ,436 ,442 ,448 ,455 ,461 ,467 ,473 ,480 ,486 ,492
|
|
};
|
|
|
|
|
|
int main(void)
|
|
{
|
|
bflb_platform_init(0);
|
|
|
|
/* register & open dac device */
|
|
dac_register(DAC0_INDEX, "dac", DEVICE_OFLAG_RDWR);
|
|
struct device *dac = device_find("dac");
|
|
|
|
if (dac)
|
|
{
|
|
device_open(dac, DEVICE_OFLAG_DMA_TX);
|
|
MSG("device open success\r\n");
|
|
}
|
|
|
|
/* register & open dma device */
|
|
if(dma_allocate_register("dac_dma",DEVICE_OFLAG_RDWR) == SUCCESS){
|
|
MSG("dma allocate success\r\n");
|
|
}
|
|
|
|
struct device *dac_dma = device_find("dac_dma");
|
|
|
|
if(dac_dma){
|
|
|
|
((dma_device_t *) dac_dma)->direction = DMA_MEMORY_TO_PERIPH;
|
|
((dma_device_t *) dac_dma)->transfer_mode = DMA_LLI_ONCE_MODE;
|
|
((dma_device_t *) dac_dma)->src_req = DMA_REQUEST_NONE;
|
|
((dma_device_t *) dac_dma)->dst_req = DMA_REQUEST_DAC0;
|
|
((dma_device_t *) dac_dma)->src_width = DMA_TRANSFER_WIDTH_16BIT;
|
|
((dma_device_t *) dac_dma)->dst_width = DMA_TRANSFER_WIDTH_16BIT;
|
|
|
|
device_open(dac_dma,0);
|
|
}
|
|
|
|
/* connect dac device and dma device */
|
|
device_control(dac,DEVICE_CTRL_ATTACH_TX_DMA,dac_dma);
|
|
|
|
|
|
while(1)
|
|
{
|
|
device_write(dac,DAC_CHANNEL_0,sinList,sizeof(sinList)/sizeof(uint8_t));
|
|
while(dma_channel_check_busy(dac_dma) == SET){}
|
|
}
|
|
|
|
BL_CASE_SUCCESS;
|
|
}
|