为啥进不去寻卡函数？不出现象“？求救啊
#include <stdint.h>
#include <stdbool.h>
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "driverlib/debug.h"
#include "driverlib/fpu.h"
#include "driverlib/gpio.h"
#include "driverlib/interrupt.h"
#include "driverlib/pin_map.h"
#include "driverlib/rom.h"
#include "driverlib/sysctl.h"
#include "driverlib/uart.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
// RC522
#include "RC522.h"
#ifdef DEBUG
void
__error__(char *pcFilename, uint32_t ui32Line)
{
}
#endif
/*
PA2 - RST
PA3 - NSS(CS)
PA4 - SCK
PD6 - SI
PD3 - S0 主机接收
gpio 初始化
*/
void RC522_gpio(void)
{
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA|SYSCTL_PERIPH_GPIOD);
ROM_GPIODirModeSet(GPIO_PORTA_BASE, GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4, GPIO_DIR_MODE_OUT);
ROM_GPIOPadConfigSet(GPIO_PORTA_BASE, GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD_WPU);
ROM_GPIODirModeSet(GPIO_PORTD_BASE, GPIO_PIN_6,GPIO_DIR_MODE_OUT);
ROM_GPIODirModeSet(GPIO_PORTD_BASE, GPIO_PIN_3,GPIO_DIR_MODE_IN);
//ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA|SYSCTL_PERIPH_GPIOD);
// ROM_GPIODirModeSet(GPIO_PORTA_BASE, GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4, GPIO_DIR_MODE_OUT);
// ROM_GPIOPadConfigSet(GPIO_PORTA_BASE, GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD_WPU);
//
//ROM_GPIOPinTypeGPIOOutput(GPIO_PORTA_BASE,GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4);
//ROM_GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_6);
//ROM_GPIOPinTypeGPIOInput(GPIO_PORTD_BASE, GPIO_PIN_7);
}
void RC522_init(void)
{
PcdReset(); //复位RC522
delay_ms(10);
PcdAntennaOff(); //关闭天线
delay_ms(10);
PcdAntennaOn(); //打开天线
delay_ms(10);
M500PcdConfigISOType( 'A' );//设置RC522工作方式
}
//M1卡的某一块写为如下格式，则该块为钱包，可接收扣款和充值命令
//4字节金额（低字节在前）＋4字节金额取反＋4字节金额＋1字节块地址＋1字节块地址取反＋1字节块地址＋1字节块地址取反
unsigned char data2[4] = {0x12,0,0,0};
unsigned char DefaultKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
unsigned char g_ucTempbuf[20]={0};
unsigned char MLastSelectedSnr[4]={0};
unsigned char RevBuffer[30]={0};
unsigned char SerBuffer[20]={0};
uint8_t CmdValid =0; //串口接收完成标志位
#define CMD_BUFFER_LEN 127
//void UARTI1ntHandler(void)
//{
//
//}
//*****************************************************************************
//
// The UART interrupt handler.
//
//*****************************************************************************
uint8_t uart0_rx[12]={0};
void
UARTIntHandler(void)
{
uint32_t ui32Status;
uint8_t Res=0;
static uint8_t uart_cnt=0;
//
// Get the interrrupt status.
//
ui32Status = ROM_UARTIntStatus(UART0_BASE, true);
//
// Clear the asserted interrupts.
//
ROM_UARTIntClear(UART0_BASE, ui32Status);
//
// Loop while there are characters in the receive FIFO.
//
while(ROM_UARTCharsAvail(UART0_BASE))
{
//
// Read the next character from the UART and write it back to the UART.
//
// ROM_UARTCharPutNonBlocking(UART0_BASE, ROM_UARTCharGetNonBlocking(UART0_BASE));
//3
Res = ROM_UARTCharGetNonBlocking(UART0_BASE);
if(uart_cnt >= 12)
uart_cnt =0;
uart0_rx[uart_cnt++]=0;
//
if(Res=='
'||Res=='
')
{
if(uart_cnt > 1)
{
uart0_rx[uart_cnt]=0;
CmdValid = 0x1;
uart_cnt =0;
}
}
//
// Blink the LED to show a character transfer is occuring.
//
// GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_2, GPIO_PIN_2);
// //
// // Delay for 1 millisecond. Each SysCtlDelay is about 3 clocks.
// //
// SysCtlDelay(SysCtlClockGet() / (1000 * 3));
// //
// // Turn off the LED
// //
// GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_2, 0);
}
}
//*****************************************************************************
//
// Send a string to the UART.
//
//*****************************************************************************
void
UARTSend(const uint8_t *pui8Buffer, uint32_t ui32Count)
{
//
// Loop while there are more characters to send.
//
while(ui32Count--)
{
//
// Write the next character to the UART.
//
ROM_UARTCharPutNonBlocking(UART0_BASE, *pui8Buffer++);
}
}
void
InitConsole(void)
{
//
// Enable GPIO port A which is used for UART0 pins.
// TODO: change this to whichever GPIO port you are using.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
//
// Configure the pin muxing for UART0 functions on port A0 and A1.
// This step is not necessary if your part does not support pin muxing.
// TODO: change this to select the port/pin you are using.
//
GPIOPinConfigure(GPIO_PA0_U0RX);
GPIOPinConfigure(GPIO_PA1_U0TX);
//
// Enable UART0 so that we can configure the clock.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
//
// Use the internal 16MHz oscillator as the UART clock source.
//
UARTClockSourceSet(UART0_BASE, UART_CLOCK_PIOSC);
//
// Select the alternate (UART) function for these pins.
// TODO: change this to select the port/pin you are using.
//
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Initialize the UART for console I/O.
//
UARTStdioConfig(0, 115200, 16000000);
}
//*****************************************************************************
//
// This example demonstrates how to send a string of data to the UART.
//
//*****************************************************************************
uint8_t RFRead[16]; //存放RFID
uint8_t RFWrite[16]={0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F};
uint8_t card_1[4]={0xc3,0x6b,0x97,0xf4}; //异形卡
uint8_t card_2[4]={0x46,0x5f,0x9a,0xb5}; //白卡
uint8_t KEY[6]={0xff,0xff,0xff,0xff,0xff,0xff};
uint8_t s=0x08,i=0;
int main(void)
{
//
// Enable lazy stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
unsigned char status;
uint8_t temp;
uint8_t CT[2]; //卡类型
uint8_t SN[4]; //卡号
ROM_FPUEnable();
ROM_FPULazyStackingEnable();
//
// Set the clocking to run directly from the crystal.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
InitConsole();
//
// Enable the GPIO port that is used for the on-board LED.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
//
// Enable the GPIO pins for the LED (PF2).
//
ROM_GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_2);
// Enable the peripherals used by this example.
//
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
// Enable processor interrupts.
//
ROM_IntMasterEnable();
// Set GPIO A0 and A1 as UART pins.
//
GPIOPinConfigure(GPIO_PA0_U0RX);
GPIOPinConfigure(GPIO_PA1_U0TX);
ROM_GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Configure the UART for 115,200, 8-N-1 operation.
//
ROM_UARTConfigSetExpClk(UART0_BASE, ROM_SysCtlClockGet(), 115200,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
//
// Enable the UART interrupt.
//
ROM_IntEnable(INT_UART0);
ROM_UARTIntEnable(UART0_BASE, UART_INT_RX | UART_INT_RT);
//
// Prompt for text to be entered.
//
UARTprintf("rc522 example
");
//
// Loop forever echoing data through the UART.
//
RC522_gpio();
RC522_init();
while(1)
{
//if(CmdValid) //输入
串口输入回车 开始读取卡实验
{
UARTprintf("rc522
");
//CmdValid = 0;
delay_ms(1000);
//delay_ms(1000);
status = PcdRequest(PICC_REQALL,CT); //寻卡测试
if(status!=MI_OK)
{
//RC522_gpio();
//RC522_init();
PcdReset();
PcdAntennaOff();
PcdAntennaOn();
continue;
}
UARTprintf("卡的类型:");
for(i=0;i<2;i++)
{
temp=CT[i];
UARTprintf("%X",temp);
}
status = PcdAnticoll(SN); //防冲撞测试
if (status!=MI_OK)
{
//UARTprintf("防冲撞OK
");
//UARTprintf("ID:%02x %02x %02x %02x
",SN[0],SN[1],SN[2],SN[3]);//发送卡号
//if(!memcmp(SN,card_1,4))UARTprintf("是异形卡
");
//else if(!memcmp(SN,card_2,4))UARTprintf("是白 {MOD}卡
");
continue;
}
UARTprintf("卡序列号："); //超级终端显示,
for(i=0;i<4;i++)
{
temp=SN[i];
UARTprintf("%X",temp);
}
status =PcdSelect(SN); //选卡测试
if (status!=MI_OK)
{
//UARTprintf("选卡OK
");
continue;
}
status =PcdAuthState(0x60,0x09,KEY,SN);//验证实验
if(status==MI_OK)
{
UARTprintf("验证OK
");
}
status=PcdWrite(s,RFWrite);//写卡实验
if(status==MI_OK)
{
UARTprintf("写卡OK
");
}
status=PcdRead(s,RFRead);//读卡实验
if(status==MI_OK)
{
UARTprintf("读卡OK
");
UARTprintf("RFID=");
for(i=0;i<16;i++)
UARTprintf("%02x ",RFRead[i]);
UARTprintf("
");
}
}
}
}
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是不是初始化没成功？用逻辑分析仪或者示波器观察一下初始化的时序
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