u8 TxBuffer[] = \Interrupt\\n\\r\
u8 RxBuffer[RxBufferSize]; u8 TxCounter = 0;
u8 NbrOfDataToTransfer = TxBufferSize; u8 NbrOfDataToRead = RxBufferSize; ErrorStatus OSC4MStartUpStatus;
void MRCC_Configuration(void); void GPIO_Configuration(void); void EIC_Configuration(void); int main() {
#ifdef DEBUG debug(); #endif
MRCC_Configuration(); GPIO_Configuration();
UART_InitStructure.UART_WordLength = UART_WordLength_8D; UART_InitStructure.UART_StopBits = UART_StopBits_1; UART_InitStructure.UART_Parity = UART_Parity_No ; UART_InitStructure.UART_BaudRate = 115200; UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_None;
UART_InitStructure.UART_Mode = UART_Mode_Tx_Rx; UART_InitStructure.UART_FIFO = UART_FIFO_Enable;
UART_InitStructure.UART_TxFIFOLevel = UART_FIFOLevel_1_4; UART_InitStructure.UART_RxFIFOLevel = UART_FIFOLevel_1_8;
UART_Init(UART0, &UART_InitStructure);
while(TxCounter < 0x05) {
UART_SendData(UART0, TxBuffer[TxCounter++]); }
UART_ITConfig(UART0, UART_IT_Receive, ENABLE); UART_ITConfig(UART0, UART_IT_Transmit, ENABLE); EIC_Configuration();
UART_Cmd(UART0, ENABLE); while (1); }
void MRCC_Configuration(void) {
MRCC_DeInit();
OSC4MStartUpStatus = MRCC_WaitForOSC4MStartUp(); if(OSC4MStartUpStatus == SUCCESS) {
MRCC_HCLKConfig(MRCC_CKSYS_Div2); MRCC_CKTIMConfig(MRCC_HCLK_Div1); MRCC_PCLKConfig(MRCC_CKTIM_Div1);
MRCC_CKSYSConfig(MRCC_CKSYS_OSC4MPLL, MRCC_PLL_Mul_15); }
MRCC_IOVoltageRangeConfig(MRCC_IOVoltageRange_3V3); MRCC_PeripheralClockConfig(MRCC_Peripheral_UART0 | MRCC_Peripheral_GPIO, ENABLE); }
void GPIO_Configuration(void) {
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; GPIO_Init(GPIO0, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_Init(GPIO0, &GPIO_InitStructure); }
void EIC_Configuration(void) {
EIC_IRQInitTypeDef EIC_IRQInitStructure;
EIC_IRQInitStructure.EIC_IRQChannel = UART0_IRQChannel; EIC_IRQInitStructure.EIC_IRQChannelPriority = 1;
EIC_IRQInitStructure.EIC_IRQChannelCmd = ENABLE; EIC_IRQInit(&EIC_IRQInitStructure); EIC_IRQCmd(ENABLE); }
2. AD采集传送功能子程序：
#include %u8 ADC10,ADC1; u16 adc_filter_cnt; u16 adcdata,adc_result; #define SA 0x0400 #define SB 0x0080 #define SC 0x0040 #define SD 0x0010 #define SE 0x0020 #define SF 0x0008 #define SG 0x0100
#define SH 0x0200
#define Digit_0 SA | SB | SC | SD | SE | SF #define Digit_1 SB | SC
#define Digit_2 SA | SB | SD | SE | SG #define Digit_3 SA | SB | SC | SD | SG #define Digit_4 SB | SC | SF | SG #define Digit_5 SA | SC | SD | SF | SG #define Digit_6 SA | SC | SD | SE | SF | SG #define Digit_7 SA | SB | SC
#define Digit_8 SA | SB | SC | SD | SE | SF | SG #define Digit_9 SA | SB | SC | SD | SF | SG #define Digit_A SA | SB | SC | SE | SF | SG #define Digit_B SC | SD | SE | SF | SG #define Digit_C SA | SD | SE | SF
#define Digit_D SB | SC | SD | SE | SG #define Digit_E SA | SD | SE | SF | SG #define Digit_F SA | SE | SF | SG #define Digit_SP 0
const u16 DigitTab[] = {Digit_0,Digit_1,Digit_2,Digit_3, Digit_4,Digit_5,Digit_6,Digit_7, Digit_8,Digit_9,Digit_A,Digit_B, Digit_C,Digit_D,Digit_E,Digit_F, Digit_SP};
GPIO_InitTypeDef GPIO_InitStructure ; EXTIT_InitTypeDef EXTIT_InitStructure; UART_InitTypeDef UART_InitStructure; ADC_InitTypeDef ADC_InitStructure;
void EIC_Configuration(void); void MRCC_Configuration(void); void GPIO_Configuration(void); void Display(u8 Digit,u8 position); ErrorStatus OSC4MStartUpStatus01; void main(void) {
#ifdef DEBUG debug(); #endif
EIC_Configuration(); MRCC_Configuration(); GPIO_Configuration();
TIM_SetPrescaler(TIM0, 0X3E7); TIM_SetPeriod(TIM0, 0xEA5F);
TIM_ITConfig(TIM0, TIM_IT_Update, ENABLE); TIM_Cmd(TIM0, ENABLE);
ADC_InitStructure.ADC_ConversionMode=ADC_ConversionMode_Scan; ADC_InitStructure.ADC_ExtTrigger = ADC_ExtTrigger_Disable; ADC_InitStructure.ADC_AutoClockOff = ADC_AutoClockOff_Disable; ADC_InitStructure.ADC_SamplingPrescaler = 7; ADC_InitStructure.ADC_ConversionPrescaler = 7;
ADC_InitStructure.ADC_FirstChannel = ADC_CHANNEL14; ADC_InitStructure.ADC_ChannelNumber = 1; ADC_Init(&ADC_InitStructure);
ADC_ITConfig(ADC_IT_EOC, ENABLE); ADC_Cmd(ENABLE);
ADC_ConversionCmd(ADC_Conversion_Start);
UART_InitStructure.UART_WordLength = UART_WordLength_8D; UART_InitStructure.UART_StopBits = UART_StopBits_1; UART_InitStructure.UART_Parity = UART_Parity_Odd ; UART_InitStructure.UART_BaudRate = 115200; UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_None;
UART_InitStructure.UART_Mode = UART_Mode_Tx; UART_InitStructure.UART_FIFO = UART_FIFO_Enable; UART_Init(UART0, &UART_InitStructure); UART_Cmd(UART0, ENABLE); Display(14,1); while(1) {
Display(ADC10,0); Display(ADC1,1); } }
void MRCC_Configuration(void) {
MRCC_DeInit();
OSC4MStartUpStatus01 = MRCC_WaitForOSC4MStartUp(); if(OSC4MStartUpStatus01 == SUCCESS) {
MRCC_HCLKConfig(MRCC_CKSYS_Div1); MRCC_CKTIMConfig(MRCC_HCLK_Div1); MRCC_PCLKConfig(MRCC_CKTIM_Div2);
CFG_FLASHBurstConfig(CFG_FLASHBurst_Enable);
MRCC_CKSYSConfig(MRCC_CKSYS_OSC4MPLL, MRCC_PLL_Mul_15); }
MRCC_IOVoltageRangeConfig(MRCC_IOVoltageRange_3V3);
MRCC_PeripheralClockConfig(MRCC_Peripheral_GPIO, ENABLE); MRCC_PeripheralClockConfig(MRCC_Peripheral_ADC, ENABLE); MRCC_PeripheralClockConfig(MRCC_Peripheral_TIM0, ENABLE); MRCC_PeripheralClockConfig(MRCC_Peripheral_UART0, ENABLE); }
void GPIO_Configuration(void) {
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_1; GPIO_Init(GPIO0,&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_9 | GPIO_Pin_8 | GPIO_Pin_7 | GPIO_Pin_6 | GPIO_Pin_5 | GPIO_Pin_4 | GPIO_Pin_3; GPIO_Init(GPIO1, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13; GPIO_Init(GPIO0,&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13; GPIO_Init(GPIO1,&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; GPIO_Init(GPIO0, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_Init(GPIO0, &GPIO_InitStructure); }
void Display(u8 Digit,u8 position) {
u16 i;
GPIO0->PD &= 0xFFF0; Digit &= 0x0F;
GPIO_Write(GPIO1, DigitTab[Digit]);
if (position == 0)
GPIO0->PD |= 0x0004; // P02= COMM of digit 10 else
GPIO0->PD |= 0x0002; // P01= COMM of digit 1 for(i=0; i<0x100; i++); }
void EIC_Configuration(void) {
EIC_IRQInitTypeDef EIC_IRQInitStructure;
EIC_IRQInitStructure.EIC_IRQChannel = TIM0_UP_IRQChannel;