252 lines
9.2 KiB
C
252 lines
9.2 KiB
C
#include "globalv.h"
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#include "init.h"
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uint8_t ADC_CR1Array[4] = {0x84, 0x85, 0x86, 0x87}; // 通过更改ADC的CR1寄存器实现ADC通道自动切换
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uint8_t ADC_Start = 0x01;
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//void RCC_Configuration(void)
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//{//48M,
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//
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// //.......................... 48M
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// RCC_HSI_Enable(RCC_HSIOSC_DIV6);
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// __RCC_FLASH_CLK_ENABLE();
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// FLASH_SetLatency(FLASH_Latency_3);
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// RCC_HSI_Enable(RCC_HSIOSC_DIV1);
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// //.............................
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//}
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void RCC_Configuration(void)
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{
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//...........................64M
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// 0. HSI使能并校准
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RCC_HSI_Enable(RCC_HSIOSC_DIV6);
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// 1. 设置HCLK和PCLK的分频系数
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RCC_HCLKPRS_Config(RCC_HCLK_DIV1);
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RCC_PCLKPRS_Config(RCC_PCLK_DIV1);
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// 2. 使能PLL，通过PLL倍频到64MHz
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RCC_PLL_Enable(RCC_PLLSOURCE_HSI, 8000000, 8); // HSI 默认输出频率8MHz
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///< 当使用的时钟源HCLK大于24M,小于等于48MHz：设置FLASH 读等待周期为2 cycle
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///< 当使用的时钟源HCLK大于48MHz：设置FLASH 读等待周期为3 cycle
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__RCC_FLASH_CLK_ENABLE();
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FLASH_SetLatency(FLASH_Latency_3);
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// 3. 时钟切换到PLL
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RCC_SysClk_Switch(RCC_SYSCLKSRC_PLL);
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RCC_SystemCoreClockUpdate(64000000);
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//..............................
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}
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void GPIOInit(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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__RCC_GPIOA_CLK_ENABLE();
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__RCC_GPIOB_CLK_ENABLE();
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__RCC_GPIOC_CLK_ENABLE();
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__RCC_GPIOF_CLK_ENABLE();
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GPIO_InitStruct.IT = GPIO_IT_NONE; //LED1
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
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GPIO_InitStruct.Pins = LED_GPIO_PIN;
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GPIO_Init(LED_GPIO_PORT, &GPIO_InitStruct);
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// GPIO_InitStruct.Pins = LEDDIR_GPIO_PIN;
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// GPIO_Init(LEDDIR_GPIO_PORT, &GPIO_InitStruct);
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// GPIO_InitStruct.Pins = LEDSTSTO_GPIO_PIN;
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// GPIO_Init(LEDSTSTO_GPIO_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.Pins = VOUT_EN_GPIO_PIN;
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GPIO_Init(VOUT_EN_GPIO_PORT, &GPIO_InitStruct);
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// GPIO_WritePin(LEDDIR_GPIO_PORT,LEDDIR_GPIO_PIN,GPIO_Pin_RESET); //方向指示灯亮
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// GPIO_WritePin(LEDSTSTO_GPIO_PORT,LEDSTSTO_GPIO_PIN,GPIO_Pin_SET); //启停指示灯灭
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GPIO_WritePin(VOUT_EN_GPIO_PORT,VOUT_EN_GPIO_PIN,GPIO_Pin_RESET); //启停指示灯灭
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GPIO_InitStruct.IT = GPIO_IT_NONE;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
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GPIO_InitStruct.Pins = EN_GPIO_PIN;
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GPIO_Init(EN_GPIO_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.Pins = DR_GPIO_PIN;
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GPIO_Init(DR_GPIO_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.Pins = BKIN_GPIO_PIN;
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GPIO_Init(BKIN_GPIO_PORT, &GPIO_InitStruct);
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}
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void ADC_Configuration(void)
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{
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ADC_InitTypeDef ADC_InitStruct;
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DMA_InitTypeDef DMA_InitStruct = {0};
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__RCC_GPIOA_CLK_ENABLE();
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__RCC_GPIOB_CLK_ENABLE();
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__RCC_ADC_CLK_ENABLE();
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//配置ADC测试IO口
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PA04_ANALOG_ENABLE() ; //母线电压
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PA05_ANALOG_ENABLE() ; //NTC温度
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PA06_ANALOG_ENABLE() ; //电流
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PA07_ANALOG_ENABLE() ; //电位器
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ADC_InitStruct.ADC_AccEn = ADC_AccDisable;
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ADC_InitStruct.ADC_Align = ADC_AlignRight;
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ADC_InitStruct.ADC_ClkDiv = ADC_Clk_Div2; // ADCCLK=16MHz
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ADC_InitStruct.ADC_DMAEn = ADC_DmaEnable;
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ADC_InitStruct.ADC_InBufEn = ADC_BufDisable;
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ADC_InitStruct.ADC_OpMode = ADC_SingleChOneMode;
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ADC_InitStruct.ADC_SampleTime = ADC_SampTime10Clk;
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ADC_InitStruct.ADC_TsEn = ADC_TsDisable;
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ADC_InitStruct.ADC_VrefSel = ADC_Vref_VDDA;
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ADC_Init(&ADC_InitStruct);
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CW_ADC->CR1_f.CHMUX = 3; // AN0
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ADC_Enable();
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// 使用4路DMA通道：CH1、CH2、CH3、 CH4
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// CH1 将ADC单次单通道的采样结果传入RAM（ADC_ResultBuff[6]）
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// CH2 将ADC的CR1寄存器的配置值从RAM（ADC_CR1Array）传入寄存器
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// CH3 将ADC的START寄存器的配置值从RAM（ADC_Start)传入寄存器
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// CH1、CH2、CH3由ADC硬件触发
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// CH4由ATIM硬件触发,启动ADC
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__RCC_DMA_CLK_ENABLE();
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DMA_InitStruct.DMA_DstAddress = (uint32_t)&SampleData[0]; // 目标地址
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DMA_InitStruct.DMA_DstInc = DMA_DstAddress_Increase; // 目标地址递增
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DMA_InitStruct.DMA_Mode = DMA_MODE_BLOCK; // BLOCK传输模式
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DMA_InitStruct.DMA_SrcAddress = (uint32_t)&CW_ADC->RESULT0; // 源地址： ADC的结果寄存器
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DMA_InitStruct.DMA_SrcInc = DMA_SrcAddress_Fix; // 源地址固定
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DMA_InitStruct.DMA_TransferCnt = 0x4; // DMA传输次数
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DMA_InitStruct.DMA_TransferWidth = DMA_TRANSFER_WIDTH_16BIT; // 数据位宽16bit
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DMA_InitStruct.HardTrigSource = DMA_HardTrig_ADC_TRANSCOMPLETE; // ADC转换完成硬触发
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DMA_InitStruct.TrigMode = DMA_HardTrig; // 硬触发模式
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DMA_Init(CW_DMACHANNEL1, &DMA_InitStruct);
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DMA_Cmd(CW_DMACHANNEL1, ENABLE);
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DMA_InitStruct.DMA_DstAddress = (uint32_t)&CW_ADC->CR1; // 目标地址
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DMA_InitStruct.DMA_DstInc = DMA_DstAddress_Fix; // 目标地址固定
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DMA_InitStruct.DMA_Mode = DMA_MODE_BLOCK; // BLOCK传输模式
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DMA_InitStruct.DMA_SrcAddress = (uint32_t)&ADC_CR1Array[0]; // 源地址
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DMA_InitStruct.DMA_SrcInc = DMA_SrcAddress_Increase; // 源地址递增
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DMA_InitStruct.DMA_TransferCnt = 0x3; // DMA传输次数
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DMA_InitStruct.DMA_TransferWidth = DMA_TRANSFER_WIDTH_8BIT; // 数据位宽8bit
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DMA_InitStruct.HardTrigSource = DMA_HardTrig_ADC_TRANSCOMPLETE; // ADC转换完成硬触发
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DMA_InitStruct.TrigMode = DMA_HardTrig; // 硬触发模式
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DMA_Init(CW_DMACHANNEL2, &DMA_InitStruct);
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DMA_Cmd(CW_DMACHANNEL2, ENABLE);
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DMA_InitStruct.DMA_DstAddress = (uint32_t)&CW_ADC->START; // 目标地址
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DMA_InitStruct.DMA_DstInc = DMA_DstAddress_Fix; // 目标地址固定
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DMA_InitStruct.DMA_Mode = DMA_MODE_BLOCK; // BLOCK传输模式
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DMA_InitStruct.DMA_SrcAddress = (uint32_t)&ADC_Start; // 源地址
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DMA_InitStruct.DMA_SrcInc = DMA_SrcAddress_Fix; // 源地址固定
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DMA_InitStruct.DMA_TransferCnt = 0x3; // DMA传输次数
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DMA_InitStruct.DMA_TransferWidth = DMA_TRANSFER_WIDTH_8BIT; // 数据位宽8bit
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DMA_InitStruct.HardTrigSource = DMA_HardTrig_ADC_TRANSCOMPLETE; // ADC转换完成硬触发
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DMA_InitStruct.TrigMode = DMA_HardTrig; // 硬触发模式
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DMA_Init(CW_DMACHANNEL3, &DMA_InitStruct);
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DMA_Cmd(CW_DMACHANNEL3, ENABLE);
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DMA_InitStruct.DMA_DstAddress = (uint32_t)&CW_ADC->START; // 目标地址
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DMA_InitStruct.DMA_DstInc = DMA_DstAddress_Fix; // 目标地址固定
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DMA_InitStruct.DMA_Mode = DMA_MODE_BLOCK; // BLOCK传输模式
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DMA_InitStruct.DMA_SrcAddress = (uint32_t)&ADC_Start; // 源地址
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DMA_InitStruct.DMA_SrcInc = DMA_SrcAddress_Fix; // 源地址固定
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DMA_InitStruct.DMA_TransferCnt = 0x1; // DMA传输次数
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DMA_InitStruct.DMA_TransferWidth = DMA_TRANSFER_WIDTH_8BIT; // 数据位宽8bit
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DMA_InitStruct.HardTrigSource = DMA_HardTrig_ATIM_CH1A2A3A4; // ATIM硬件触发
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DMA_InitStruct.TrigMode = DMA_HardTrig; // 硬触发模式
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DMA_Init(CW_DMACHANNEL4, &DMA_InitStruct);
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DMA_Cmd(CW_DMACHANNEL4, ENABLE);
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DMA_ITConfig(CW_DMACHANNEL1, DMA_IT_TC, ENABLE);
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__disable_irq();
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NVIC_EnableIRQ(DMACH1_IRQn);
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__enable_irq();
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}
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void DMACH1_IRQHandlerCallBack(void)
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{
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CW_DMA->ICR_f.TC1 = 0x00; // 清中断标志
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CW_ATIM->ICR = 0x00; // 清ATIM的中断标志
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CW_ADC->ICR = 0x00; // 请ADC的中断标志
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CW_ADC->CR1 = 0x83; // AdcIn = ch0
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//------------------------------------------------
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// DMA.CH1 : ADC_Result -> RAM
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CW_DMACHANNEL1->CNT = 0x10004; //传4个
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CW_DMACHANNEL1->SRCADDR = (uint32_t)(&CW_ADC->RESULT0);
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CW_DMACHANNEL1->DSTADDR = (uint32_t)(&SampleData[0]);
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CW_DMACHANNEL1->CSR_f.EN = 1;
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//------------------------------------------------
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// DMA.CH2 : RAM -> ADC_CR1
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CW_DMACHANNEL2->CNT = 0x10003; //传3个
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CW_DMACHANNEL2->SRCADDR = (uint32_t)(&ADC_CR1Array[1]);
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CW_DMACHANNEL2->DSTADDR = (uint32_t)(&CW_ADC->CR1);
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CW_DMACHANNEL2->CSR_f.EN = 1;
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//------------------------------------------------
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// DMA.CH3 : RAM -> ADC_START
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CW_DMACHANNEL3->CNT = 0x10003; //传3个
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CW_DMACHANNEL3->SRCADDR = (uint32_t)(&ADC_Start);
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CW_DMACHANNEL3->DSTADDR = (uint32_t)(&CW_ADC->START);
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CW_DMACHANNEL3->CSR_f.EN = 1;
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//------------------------------------------------
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// DMA.CH4 : RAM -> ADC_START
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CW_DMACHANNEL4->CNT = 0x10001; //传1个
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CW_DMACHANNEL4->SRCADDR = (uint32_t)(&ADC_Start);
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CW_DMACHANNEL4->DSTADDR = (uint32_t)(&CW_ADC->START);
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CW_DMACHANNEL4->CSR_f.EN = 1;
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}
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void BTIM_init(void)
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{
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//1MS 48m/16/3000
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BTIM_TimeBaseInitTypeDef BTIM_InitStruct;
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__RCC_BTIM_CLK_ENABLE();
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__disable_irq();
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NVIC_EnableIRQ(BTIM1_IRQn);
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__enable_irq();
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BTIM_InitStruct.BTIM_Mode = BTIM_Mode_TIMER; //1ms定时器
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BTIM_InitStruct.BTIM_OPMode = BTIM_OPMode_Repetitive;
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BTIM_InitStruct.BTIM_Period = 3000;
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BTIM_InitStruct.BTIM_Prescaler = BTIM_PRS_DIV16;
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BTIM_TimeBaseInit(CW_BTIM1, &BTIM_InitStruct);
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BTIM_ITConfig(CW_BTIM1, BTIM_IT_OV, ENABLE);
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BTIM_Cmd(CW_BTIM1, ENABLE);
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}
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//void UART3_IRQHandler()
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//{ //未用
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// // unsigned char tx;
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//
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// if(USART_GetITStatus(CW_UART3, USART_IT_RC) != RESET)
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// {
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// USART_ClearITPendingBit(CW_UART3, USART_IT_RC);
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// // tx = USART_ReceiveData_8bit(CW_UART3);
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// }
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//}
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