
时钟滴答读出18b20地址
刚开始赋值ID地址的时候没用用for ID[i] = Read18B20()
然后灯也不亮,串口只输出了 event 1 oc...... 然后就没有然后了,
之后加了之后输出正常了,但是输出的ID值出错
然后才想起字符不能直接输出的,所以又加了for,之后才完成了
/** ****************************************************************************** * @file EXTI/EXTI_Config/main.c * @author MCD Application Team * @version V3.5.0 * @date 08-April-2011 * @brief Main program body ****************************************************************************** * @attention * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * © COPYRIGHT 2011 STMicroelectronics ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "stm32f10x.h" #include "stm32_eval.h" #include "delay.h" #include volatile int flag; #define Set_B20() GPIO_SetBits(GPIOC, GPIO_Pin_12) //上拉关闭PC12 #define Reset_B20() GPIO_ResetBits(GPIOC, GPIO_Pin_12) //下拉打开PC12 #define Read_B20() GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12) //读PC12状态 unsigned char Error_Flag=0; unsigned char zf=0; void SysTick_Configuration(void) { /* Setup SysTick Timer for 10 msec interrupts */ if (SysTick_Config(48000)) //SysTick配置 { /* Capture error */ while (1); } /* Configure the SysTick handler priority */ NVIC_SetPriority(SysTick_IRQn, 0x0); //SysTick中断优先级 } /** @addtogroup STM32F10x_StdPeriph_Examples * @{ */ /** @addtogroup EXTI_Config * @{ */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; USART_ClockInitTypeDef USART_ClockInitStructure; void RCC_Configuration(void) { RCC_DeInit(); //将外设RCC重新设为缺省值 RCC_HSICmd(ENABLE); //使能内部高速晶振 while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); //当SHI晶振就绪则重新设定 RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); //设置系统时钟,选择SHI时钟为系统时钟 RCC_HSEConfig(RCC_HSE_OFF); //设置外部高速晶振,HSE晶振OFF RCC_LSEConfig(RCC_LSE_OFF); //设置外部低速晶振,LSE晶振OFF //******配置PLL时钟频率为48MHZ*******// RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_8); //RCC_PLLMul_x 即设置PLL时钟频率为 6*x MHz //************************************// RCC_PLLCmd(ENABLE); ////*******************使能PLL while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); //PLL就绪 RCC_ADCCLKConfig(RCC_PCLK2_Div4); // ADC时钟=PCLK/2 RCC_PCLK2Config(RCC_HCLK_Div1); // APB2时钟=HCLK RCC_PCLK1Config(RCC_HCLK_Div2); /// APB1时钟=HCLK/2 RCC_HCLKConfig(RCC_SYSCLK_Div1); // AHB时钟=系统时钟 RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); // 选择PLL为系统时钟 while(RCC_GetSYSCLKSource() != 0x08); //当PLL不是系统时钟 // SystemInit(); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); //使能APB2外设时钟/****GPIOD时钟和功能复用IO时钟***/ GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG SW_DP使能 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; // //选择设置GPIO管脚 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; ////设置管脚速率 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; ////设置管脚工作状态,此为推挽输出 GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD GPIO_ResetBits(GPIOD,GPIO_Pin_2); //上拉关闭蜂鸣器 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//LED GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); //使能TIM2时钟 } void USART_int(long BaudRate) { RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);//使能GPIOA、USART1外设时钟 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); /* PA10 USART1_Rx */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOA, &GPIO_InitStructure); /* USARTx configured as follow: - BaudRate = 115200 baud - Word Length = 8 Bits - One Stop Bit - No parity - Hardware flow control disabled (RTS and CTS signals) - Receive and transmit enabled */ USART_InitStructure.USART_BaudRate = BaudRate;//设置USART传输波特率 BaudRate = 9600 可以直接写9600 USART_InitStructure.USART_WordLength = USART_WordLength_8b;//一帧传输或者接收的数据位数为8bit USART_InitStructure.USART_StopBits = USART_StopBits_1;//在帧结尾传输一个停止位 USART_InitStructure.USART_Parity = USART_Parity_No;//奇偶模式失能 USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//硬件流控制失能 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//使能接收发模式 USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; //时钟低电平活动 USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; //引脚时钟输出低电平时钟 USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; //第二个时钟边沿开始捕获数据 USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;//最后一位数据的时钟脉冲不从SCLK输出 USART_ClockInit(USART1, &USART_ClockInitStructure); USART_Init(USART1, &USART_InitStructure);//USART1初始化 USART_Cmd(USART1, ENABLE);//使能USART1时钟外设 USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//使能接受中断 USART_Cmd(USART1, ENABLE); } void delay_18b20(u32 nus) //18b20按照严格的时序工作,这是专属延时 { u16 i; while(nus--) for(i=12;i>0;i--); } void Init18B20(void) //18B20初始化 { u8 aa=0; u8 count =0; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);//使能PC时钟 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;//开漏输出 GPIO_Init(GPIOC, &GPIO_InitStructure); Set_B20() ; // GPIO_SetBits(GPIOC, GPIO_Pin_12) delay_18b20(1); Reset_B20(); delay_18b20(480); Set_B20(); // delay_18b20(500); delay_18b20(480); count=0; aa=Read_B20(); //温度读取 /****个人认为限制温度不超过99度,作为一个保护*/ while(!aa && count<100) { aa=Read_B20(); count++; //相当一个for()和while结合 } if(count>=99) Error_Flag=1; else Error_Flag=0; } unsigned char Read18B20(void)//按位读取数据 { unsigned char i=0; unsigned char date=0; u8 tempp; for(i=8;i>0;i--) { Reset_B20(); //打开PC12 date>>=1; //标志右移一位 delay_18b20(1); Set_B20(); //关闭 delay_18b20(1); tempp=Read_B20(); //读取温度 if(tempp) date|=0x80; // 1000 0000 将最高位填1 ,然后右移,每次最高位由0变1,使8位全部传递完毕 0xff = 1111 1111 delay_18b20(60); } return(date); } void Write18B20(unsigned char date)//写数据 { unsigned char i=0; for (i=8; i>0; i--) { Reset_B20(); delay_18b20(1); if(date & 0x01) { Set_B20(); } else { Reset_B20();} delay_18b20(60); date>>=1; Set_B20(); delay_18b20(1); } delay_18b20(15); } float Read_T()//读温度 { unsigned char TUp,TDown; unsigned char fTemp; u8 TT=0; float Temp = 0; Init18B20(); Write18B20(0xcc); Write18B20(0x44); Init18B20(); Write18B20(0xcc); Write18B20(0xbe); TDown = Read18B20(); TUp = Read18B20(); if(TUp>0x7f) { TDown=~TDown; TUp=~TUp+1; TUp/=8; zf=1; } else zf=0; fTemp=TDown&0x0f; TUp<<=4; TDown>>=4; TT=TUp|TDown; Temp=TT+(float)fTemp/16; return(Temp); } int main(void) { /*!< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup file (startup_stm32f10x_xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f10x.c file */ /* System Clocks Configuration */ char ID[8]; int i; RCC_Configuration(); USART_int(115200); SysTick_Configuration(); printf(" config done...\r\n"); delay_ms(1000); Init18B20(); //初始化 Write18B20(0x33); //写入读取地址的命令 delay_18b20(20); for(i=0;i<8;i++) //这里必须用for不然 只会输出printf("event 1 oc......\r\n")这句,不会继续运行 { ID[i] = Read18B20();//读取地址 } while(1) { if(flag == 300) { printf("At the moment of ID is:") ; for(i=0;i<8;i++) //字符不能直接输出,要按位输出 { printf("%u",ID[i]);//输出地址 } printf("\r\n") ; } if(flag == 500) { printf("The Temperature is:%f\r\n",Read_T());//读取温度并输出 printf("===================================================\r\n"); } } } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */ void assert_failed(uint8_t* file, uint32_t line) { /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* Infinite loop */ while (1) { } } #endif /** * @} */ /** * @} */ #ifdef __GNUC__ /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf set to 'Yes') calls __io_putchar() */ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif /* __GNUC__ */ /** * @brief Retargets the C library printf function to the USART. * @param None * @retval None */ PUTCHAR_PROTOTYPE { /* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(EVAL_COM1, (uint8_t) ch); /* Loop until the end of transmission */ while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET) {} return ch; } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */ void assert_failed(uint8_t* file, uint32_t line) { /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* Infinite loop */ while (1) { } } #endif /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

SPI--读写ADC值
搞了老久才弄到这程度也是醉了,整型转化都找了好久,自己是不会写的,渣到家了,找个时间再研究下SPI总线这东西。。。。。。
/**
******************************************************************************
* @file EXTI/EXTI_Config/main.c
* @author MCD Application Team
* @version V3.5.0
* @date 08-April-2011
* @brief Main program body
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32_eval.h"
#include "delay.h"
#include <stdio.h>
#include <stdlib.h>
#include "spi_flash.h"
#define VREF 3.3
/* ???????? */
#define TxBufferSize1 (countof(TxBuffer1) - 1)
#define RxBufferSize1 (countof(TxBuffer1) - 1)
#define countof(a) (sizeof(a) / sizeof(*(a)))
#define BufferSize (countof(Tx_Buffer)-1)
typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus;
#define FLASH_WriteAddress 0x00000
#define FLASH_ReadAddress FLASH_WriteAddress
#define FLASH_SectorToErase FLASH_WriteAddress
#define sFLASH_ID 0xEF3015 //W25X16
//#define sFLASH_ID 0xEF4015 //W25Q16
#define buff_size 16;
char rx_buff[],rx_buff_count=0;
/* ???????? */
uint8_t Tx_Buffer[4096] ;
uint8_t Rx_Buffer[BufferSize];
__IO uint32_t DeviceID = 0;
__IO uint32_t FlashID = 0;
__IO TestStatus TransferStatus1 = FAILED;
// ??????
void Delay(__IO uint32_t nCount);
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);
/** @addtogroup STM32F10x_StdPeriph_Examples
* @{
*/
/** @addtogroup EXTI_Config
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
USART_ClockInitTypeDef USART_ClockInitStructure;
void RCC_Configuration(void)
{
RCC_DeInit(); //将外设RCC重新设为缺省值
RCC_HSICmd(ENABLE); //使能内部高速晶振
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); //当SHI晶振就绪则重新设定
RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); //设置系统时钟,选择SHI时钟为系统时钟
RCC_HSEConfig(RCC_HSE_OFF); //设置外部高速晶振,HSE晶振OFF
RCC_LSEConfig(RCC_LSE_OFF); //设置外部低速晶振,LSE晶振OFF
RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //72MHz ,RCC_PLLMul_x 即设置PLL时钟频率为 6*x MHz
RCC_PLLCmd(ENABLE); ////*******************使能PLL
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); //PLL就绪
RCC_ADCCLKConfig(RCC_PCLK2_Div4); // ADC时钟=PCLK/2
RCC_PCLK2Config(RCC_HCLK_Div1); // APB2时钟=HCLK
RCC_PCLK1Config(RCC_HCLK_Div2); /// APB1时钟=HCLK/2
RCC_HCLKConfig(RCC_SYSCLK_Div1); // AHB时钟=系统时钟
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); // 选择PLL为系统时钟
while(RCC_GetSYSCLKSource() != 0x08); //当PLL不是系统时钟
// SystemInit();
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); //使能APB2外设时钟/****GPIOD时钟和功能复用IO时钟***/
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG SW_DP使能
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; // //选择设置GPIO管脚
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; ////设置管脚速率
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; ////设置管脚工作状态,此为推挽输出
GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD
GPIO_ResetBits(GPIOD,GPIO_Pin_2); //上拉关闭蜂鸣器
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//LED
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); //使能TIM2时钟
}
void USART_int(long BaudRate)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);//使能GPIOA、USART1外设时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* PA10 USART1_Rx */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* USARTx configured as follow:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = BaudRate;//设置USART传输波特率 BaudRate = 9600 可以直接写9600
USART_InitStructure.USART_WordLength = USART_WordLength_8b;//一帧传输或者接收的数据位数为8bit
USART_InitStructure.USART_StopBits = USART_StopBits_1;//在帧结尾传输一个停止位
USART_InitStructure.USART_Parity = USART_Parity_No;//奇偶模式失能
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//硬件流控制失能
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//使能接收发模式
USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; //时钟低电平活动
USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; //引脚时钟输出低电平时钟
USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; //第二个时钟边沿开始捕获数据
USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;//最后一位数据的时钟脉冲不从SCLK输出
USART_ClockInit(USART1, &USART_ClockInitStructure);
USART_Init(USART1, &USART_InitStructure);//USART1初始化
USART_Cmd(USART1, ENABLE);//使能USART1时钟外设
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//使能接受中断
USART_Cmd(USART1, ENABLE);
}
void ADC_CONFIG(){
ADC_InitTypeDef ADC_InitStructure;//定义结构体
#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
/* ADCCLK = PCLK2/2 */
RCC_ADCCLKConfig(RCC_PCLK2_Div2); //设置ADC时钟 = PCLK/2
#else
/* ADCCLK = PCLK2/4 */
RCC_ADCCLKConfig(RCC_PCLK2_Div4); //设置ADC时钟 = PCLK/4
#endif
ADC_DeInit(ADC1); //将外设ADC1的全部寄存器重设为缺省值
/* Enable ADC1 and GPIOC clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOB, ENABLE);//使能APB2外设时钟
/* Configure PB0 (ADC Channel14) as analog input -------------------------*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;//模拟输入
GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;//ADC1和ADC2工作在独立状态
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //规定模数转换在多通道还是单通道
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//转化是连续还是单次模式
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //转换是由软件而不是外部触发启动
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //ADC数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = 1; //通道数目1个
ADC_Init(ADC1, &ADC_InitStructure);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);//使能ADC1的DMA请求
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);//使能ADC1
}
/***==============================***/
/***========整型转化为字符型======***/
char *int_to_string(int number,char *strnum)
{
int j=0,i=0,n=0;
char temp;
while(number>0)
{
*(strnum+j)=number%10+48;
j++;
number=number/10;
n++;
}
/*翻转*/
for(i=0;i<n/2;i++)
{
temp=*(strnum+j+i-n);
*(strnum+j+i-n)=*(strnum+j-i-1);
*(strnum+j-i-1)=temp;
}
strnum[n]='\0';
return strnum;
}
/***==============================***/
/***==============================***/
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)
{
while(BufferLength--)
{
if(*pBuffer1 != *pBuffer2)
{
return FAILED;
}
pBuffer1++;
pBuffer2++;
}
return PASSED;
}
void Delay(__IO uint32_t nCount)
{
for(; nCount != 0; nCount--);
}
int Get_ADC(){
/* ADC1 regular channel configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5);
/* Enable ADC1 reset calibration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
return ADC_GetConversionValue(ADC1);
}
void SPI_TEST()
{
printf("\r\n这是一个2M SPI总线flash(W25X16)测试 \r\n");
SPI_FLASH_Init();//初始化,在头文件中
/* Get SPI Flash Device ID */
DeviceID = SPI_FLASH_ReadDeviceID();
Delay( 200 );
/* Get SPI Flash ID */
FlashID = SPI_FLASH_ReadID();
printf("\r\n FlashID is 0x%X, Manufacturer Device ID is 0x%X\r\n", FlashID, DeviceID);
/* Check the SPI Flash ID */
if (FlashID == sFLASH_ID) /* #define sFLASH_ID 0xEF3015 */
{
printf("\r\n 检测到华邦flash W25X16 !\r\n");
/* Erase SPI FLASH Sector to write on */
SPI_FLASH_SectorErase(FLASH_SectorToErase);
/*写缓存并发送*/
SPI_FLASH_BufferWrite(Tx_Buffer, FLASH_WriteAddress, BufferSize);
printf("\r\n写入的数据是:%s \r\t", Tx_Buffer);
/* 读出刚才写入的数据*/
SPI_FLASH_BufferRead(Rx_Buffer, FLASH_ReadAddress, BufferSize);
printf("\r\n读出的数据是:%s \r\n", Rx_Buffer);
/* ????????????????? */
TransferStatus1 = Buffercmp(Tx_Buffer, Rx_Buffer, BufferSize);
if( PASSED == TransferStatus1 )
{
printf("\r\n 2M SPI总线flash(W25X16)测试成功!\n\r");
}
else
{
printf("\r\n 2M SPI总线flash(W25X16)测试失败!\n\r");
}
}// if (FlashID == sFLASH_ID)
else
{
printf("\r\n 未检测到 W25X16 ID!\n\r");
}
SPI_Flash_PowerDown();
printf("\r\n=================================================\n\r");
}
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* System Clocks Configuration */
int ADValue = 0,i=0;
char num[10];
RCC_Configuration();
USART_int(115200);
printf(" config done...\r\n");
ADC_CONFIG();
delay_ms(1000);
while(1)
{
for(i=0;i<5;i++)
{
ADValue = Get_ADC();
int_to_string(ADValue,num);
Tx_Buffer[i]=num[i];
}
printf("\r\n转化成功后的字符数:%s\r\n",num);
SPI_TEST();
delay_ms(1000);
}
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
}
#endif
/**
* @}
*/
/**
* @}
*/
#ifdef __GNUC__
/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
set to 'Yes') calls __io_putchar() */
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
/**
* @brief Retargets the C library printf function to the USART.
* @param None
* @retval None
*/
PUTCHAR_PROTOTYPE
{
/* Place your implementation of fputc here */
/* e.g. write a character to the USART */
USART_SendData(EVAL_COM1, (uint8_t) ch);
/* Loop until the end of transmission */
while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)
{}
return ch;
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
}
#endif
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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