在官网的程序上改的，不知道为何进不去中断？串口和CAN中断都进不去，怀疑时钟的问题？
/* Includes ------------------------------------------------------------------*/
#include "91x_lib.h"
#include "91x_fmi.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define TxBufferSize (countof(TxBuffer) - 1)
#define RxBufferSize 0xFF
/* Private macro -------------------------------------------------------------*/
#define countof(a) (sizeof(a) / sizeof(*(a)))
/* Private variables ---------------------------------------------------------*/
UART_InitTypeDef UART_InitStructure;
u8 TxBuffer[] = "UART Example1: UART - Hyperterminal communication using hardware flow control\n\r";
u8 RxBuffer[RxBufferSize];
u8 NbrOfDataToTransfer = TxBufferSize;
u8 TxCounter = 0;
u8 RxCounter = 0;
u8 data =0;
/* Private function prototypes -----------------------------------------------*/
void SCU_Configuration(void);
void GPIO_Configuration(void);
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : main
* Description : Main program
* Input : None
* Output : None
* Return : None
*******************************************************************************/
/*static void Delay(u32 nCount)
{
u32 j = 0;
for(j = nCount; j != 0; j--);
}
*/
int main()
{
#ifdef DEBUG
debug();
#endif
/* Configure the system clocks */
SCU_Configuration();
/* Configure the GPIO ports */
GPIO_Configuration();
/* configuration -------------------------------------------------------*/
/* UART2 configured as follow:
- Word Length = 7 Bits
- Two Stop Bit
- No parity
- BaudRate = 115200 baud
- Hardware flow control enabled (RTS and CTS signals)
- Receive and transmit enabled
- Receive and transmit FIFOs are enabled
- Transmit and Receive FIFOs levels have 8 bytes depth
*/
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 = 9600;
// UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_None;
UART_InitStructure.UART_Mode = UART_Mode_Tx_Rx;
UART_InitStructure.UART_FIFO = UART_FIFO_Disable ;
// UART_InitStructure.UART_TxFIFOLevel = UART_FIFOLevel_1_2; /* FIFO size 16 bytes, FIFO level 8 bytes */
// UART_InitStructure.UART_RxFIFOLevel = UART_FIFOLevel_1_2; /* FIFO size 16 bytes, FIFO level 8 bytes */
UART_DeInit(UART2);
UART_Init(UART2, &UART_InitStructure);
// GPIO_WriteBit(GPIO4, GPIO_Pin_5, Bit_RESET);
/* Enable the UART Receive interrupt*/
UART_ITConfig(UART2, UART_IT_Receive, ENABLE);
// UART2->IMSC |= 0x0010;
/* Enable VIC clock */
//SCU_AHBPeriphClockConfig(__VIC, ENABLE);
/*configure UART2 interrupt in VIC*/
VIC_DeInit();
VIC_InitDefaultVectors(); /* initialize VICs default vector registers*/
VIC_Config(UART2_ITLine, VIC_IRQ, 0);
/* Enable the UART2 */
UART_Cmd(UART2, ENABLE);
// VIC1->VAiR[2]=(u32)UART2_IRQHandler;
// VIC1->INTSR &= ~4;
// VIC1->VCiR[2] |=0x20;
// VIC1->VCiR[2] &= 0xFFFFFFE0;
// VIC1->VCiR[2] |=0x02;
// UART2->CR |= 0x0001;
// VIC1->INTER |= 4;
GPIO_WriteBit(GPIO4, GPIO_Pin_5, Bit_RESET);
/*enable UART2 interrupt for data reception*/
VIC_ITCmd(UART2_ITLine,ENABLE);
while (1)
{
data = UART_ReceiveData(UART2);
if(data==0xaa)
{
GPIO_WriteBit(GPIO4, GPIO_Pin_5, Bit_SET);
UART_SendData(UART2,data);
while(UART_GetFlagStatus(UART2, UART_FLAG_Busy) == SET);
GPIO_WriteBit(GPIO4, GPIO_Pin_5, Bit_RESET);
}
}
}
void SCU_Configuration(void)
{
SCU_MCLKSourceConfig(SCU_MCLK_OSC); /* Default configuration */
/*wait state insertion :This function should be executed from SRAM when*/
/*booting from bank1 to avoid Read-While-Write from the Same Bank.*/
FMI_Config(FMI_READ_WAIT_STATE_2, FMI_WRITE_WAIT_STATE_0, FMI_PWD_ENABLE,\
FMI_LVD_ENABLE, FMI_FREQ_HIGH);/*Insert 2 Wait States for read*/
SCU_PLLFactorsConfig(192, 8, 2); /* PLL factors Configuration based on*/
/* a OSC/Crystal value = 25Mhz*/
SCU_PLLCmd(ENABLE); /* PLL Enable and wait for Locking*/
SCU_RCLKDivisorConfig(SCU_RCLK_Div1); /* RCLK @Osc/crystal Frequency*/
SCU_HCLKDivisorConfig(SCU_HCLK_Div1); /* AHB @Osc/crystal Frequency*/
SCU_FMICLKDivisorConfig(SCU_FMICLK_Div1);/* FMI @Osc/crystal Frequency*/
SCU_PCLKDivisorConfig(SCU_PCLK_Div2); /* APB @Osc/crystal Frequency*/
SCU_MCLKSourceConfig(SCU_MCLK_OSC); /* MCLK @Osc/crystal Frequency*/
/* Enable UART2 Clock */
SCU_APBPeriphClockConfig(__UART2, ENABLE);
/* Enable VIC clock */
SCU_AHBPeriphClockConfig(__VIC, ENABLE);
/* Enable GPIO2 Clock */
SCU_APBPeriphClockConfig(__GPIO4, ENABLE);
/* Enable GPIO5 Clock */
SCU_APBPeriphClockConfig(__GPIO5, ENABLE);
}
/*******************************************************************************
* Function Name : GPIO_Configuration
* Description : Configures the different GPIO ports.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/*Configure UART0_CTS P2.0*/
//GPIO_DeInit(GPIO2);
/*After DeInit function P2.0 = UART0_CTS (defaut configuration)*/
GPIO_DeInit(GPIO5);
/*Gonfigure UART0_Rx pin GPIO5.2*/
GPIO_InitStructure.GPIO_Direction = GPIO_PinInput;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ;
GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Enable;
GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1 ;
GPIO_Init (GPIO5, &GPIO_InitStructure);
// GPIO_DeInit(GPIO3);
/*Gonfigure UART0_Tx pin GPIO5.1*/
GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ;
GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt3 ;
GPIO_Init (GPIO5, &GPIO_InitStructure);
GPIO_DeInit(GPIO4);
/*Gonfigure UART0_RTS pin GPIO4.5*/
GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ;
//GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable;
GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1 ;
GPIO_Init (GPIO4, &GPIO_InitStructure);
}
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