forked from xuos/xiuos
				
			
		
			
				
	
	
		
			63 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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| * Copyright (c) 2020 AIIT XUOS Lab
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| * XiUOS is licensed under Mulan PSL v2.
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| * You can use this software according to the terms and conditions of the Mulan PSL v2.
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| * You may obtain a copy of Mulan PSL v2 at:
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| *        http://license.coscl.org.cn/MulanPSL2
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| * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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| * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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| * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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| * See the Mulan PSL v2 for more details.
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| */
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| 
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| /**
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| * @file:    test_dac.c
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| * @brief:   a application of dac function
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| * @version: 2.0
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| * @author:  AIIT XUOS Lab
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| * @date:    2022/1/11
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| */
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| #include <stdio.h>
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| #include <string.h>
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| #include <transform.h>
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| #ifdef ADD_XIZI_FEATURES
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| 
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| static pthread_t test_dac_task;
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| 
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| static void *TestDacTask(void *parameter)
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| {
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|     int dac_fd;
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|     uint16 dac_set_value = 4096 * 10;//sin length
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| 
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|     dac_fd = PrivOpen(DAC_DEV_DRIVER, O_RDWR);
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|     if (dac_fd < 0) {
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|         KPrintf("open dac fd error %d\n", dac_fd);
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|     }
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| 
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|     struct PrivIoctlCfg ioctl_cfg;
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|     ioctl_cfg.ioctl_driver_type = DAC_TYPE;
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|     ioctl_cfg.args = &dac_set_value;
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|     if (0 != PrivIoctl(dac_fd, OPE_CFG, &ioctl_cfg)) {
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|         KPrintf("ioctl dac fd error %d\n", dac_fd);
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|         PrivClose(dac_fd);
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|     }
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| 
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|     while (1) {
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|         //start dac output sin
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|         PrivWrite(dac_fd, NULL, 0);
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|     }
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| 
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|     PrivClose(dac_fd);
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| }
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| 
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| void TestDac(void)
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| {
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|     pthread_attr_t tid;
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|     tid.schedparam.sched_priority = 20;
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|     tid.stacksize = 4096;
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| 
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|     PrivTaskCreate(&test_dac_task, &tid, &TestDacTask, NULL);
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|     PrivTaskStartup(&test_dac_task);
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| }
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| PRIV_SHELL_CMD_FUNCTION(TestDac, a dac test sample, PRIV_SHELL_CMD_MAIN_ATTR);
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| #endif |