58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
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/********************************************************/
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// CPU<50><55>Ҫ<EFBFBD><D2AA>STM32F103--RAM<41>ڴ治С<E6B2BB><D0A1>64K Flash<73>ڴ治С<E6B2BB><D0A1>128K
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>STM32F103RDT<44><54>VET6<54><36><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
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// <20>༭<EFBFBD><E0BCAD><EFBFBD>ڣ<EFBFBD>20150909
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// editor by СС<D0A1><D0A1>
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// <20><><EFBFBD>꣺shop182385147.taobao.com
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/********************************************************/
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#include "stm32f10x.h"
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#include "stm32f10x_dac.h"
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#include "stm32f10x_dma.h"
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#include "PLC_CONF.H"
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void DAC_out_init(void)
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{
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DAC_InitTypeDef DAC_InitStructure;
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GPIO_InitTypeDef GPIO_InitStructure;
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/* GPIOA Periph clock enable */
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
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/* DAC Periph clock enable */
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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// DAC_InitStructure.DAC_Trigger = DAC_Trigger_None;
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DAC_InitStructure.DAC_Trigger = DAC_Trigger_Software;
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DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
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DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable;
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DAC_Init(DAC_Channel_1, &DAC_InitStructure);
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DAC_Init(DAC_Channel_2, &DAC_InitStructure);
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DAC_Cmd(DAC_Channel_1, ENABLE);
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DAC_Cmd(DAC_Channel_2, ENABLE);
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DAC_SoftwareTriggerCmd(DAC_Channel_1,ENABLE);
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DAC_SoftwareTriggerCmd(DAC_Channel_2,ENABLE);
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DAC_SetChannel1Data(DAC_Align_12b_R,0);
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DAC_SetChannel2Data(DAC_Align_12b_R,0);
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DAC_SoftwareTriggerCmd(DAC_Channel_1,ENABLE);
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DAC_SoftwareTriggerCmd(DAC_Channel_2,ENABLE);
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}
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void DAC_data(void)
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{
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DAC_SetChannel1Data(DAC_Align_12b_R,D8080);
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DAC_SetChannel2Data(DAC_Align_12b_R,D8081);
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DAC_SoftwareTriggerCmd(DAC_Channel_1,ENABLE);
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DAC_SoftwareTriggerCmd(DAC_Channel_2,ENABLE);
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}
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