// 检查要写的位置是否为空，若不空，则擦除该位置所在扇区.
// 注意：在给定地址和要写入的字节数后，须首先检查要写入范围内的每个位置，若某位置已不空，则必须擦除该位置所在扇区。
// 对于地址范围内的每个扇区，须从一开始就检查该扇区要写入的所有位置，不可只检查一部分，写入，而后在检查后面部分时，
// 发现该部分不空，从而导致擦除整个扇区，之后又再次从前面再写入的情况。
bool CSerialFlash::Write(u8* pBuf, u32 WriteAddr, u32 NumBytesToWrite, u32 *NumBytesWritten)
{
if (WriteAddr >= CHIP_SIZE)
return false;
if (NumBytesWritten)
*NumBytesWritten = 0;
NumBytesToWrite = min(NumBytesToWrite, CHIP_SIZE - WriteAddr);
if (NumBytesToWrite == 0)
return true;
u32 endAddr = WriteAddr + NumBytesToWrite - 1; // when WriteAddr = NumBytesToWrite = 0, endAddr will be 0xFFFFFFFF, and that's wrong.
for (u32 addr = WriteAddr; addr <= endAddr; ) // check and erase
{
addr = RangeBlank(addr, endAddr);
if (addr < CHIP_SIZE)
{
if (!SectorErase(addr))
return false;
addr = (addr / SECTOR_SIZE + 1) * SECTOR_SIZE;
}
else
break;
}
return WriteWithoutCheck(pBuf, WriteAddr, NumBytesToWrite, NumBytesWritten);
}
void AP_Logger_SITL::StartErase()
{
for (uint32_t i=0; i<DF_NUM_PAGES/DF_PAGE_PER_SECTOR; i++) {
SectorErase(i);
}
erase_started_ms = AP_HAL::millis();
}
int SectorProg(U32 begin, U16 *data, U32 size)
{
U32 tmp = 0x1000-(begin&0xfff);
if(tmp>size)
tmp = size;
for(; size;)
{
SectorErase(begin&0xfffff000); //4K Bytes boudary
FlashProg(begin, data, tmp/2);
size -= tmp;
begin += tmp;
data += tmp/2;
tmp = (size>0x1000)?0x1000:size;
}
return 0;
}
/******************************************************************************
** INTERNAL FUNCTION DEFINITIONS
******************************************************************************/
int main(void)
{
volatile unsigned int count = 0x0FFFu;
unsigned int retVal = FALSE;
unsigned char choice = 0;
/* Enable the clocks for McSPI0 module.*/
McSPI0ModuleClkConfig();
/* Perform Pin-Muxing for SPI0 Instance */
McSPIPinMuxSetup(0);
/* Perform Pin-Muxing for CS0 of SPI0 Instance */
McSPI0CSPinMuxSetup(chNum);
/* Initialize the UART utility functions */
UARTStdioInit();
UARTPuts("Here the McSPI controller on the SoC communicates with", -1);
UARTPuts(" the SPI Flash.\r\n\r\n", -1);
/* Enable IRQ in CPSR.*/
IntMasterIRQEnable();
/* Map McSPI Interrupts to AINTC */
McSPI0AintcConfigure();
/* Do the necessary set up configurations for McSPI.*/
McSPISetUp();
/* Pass the write enable command to flash.*/
WriteEnable();
/* Wait until write enable command is successfully written to flash.*/
while(FALSE == retVal)
{
retVal = IsWriteSuccess();
}
retVal = FALSE;
UARTPuts("Do you want to erase a sector of the flash before ", -1);
UARTPuts("writing to it ?.", -1);
UARTPuts("\r\nInput y(Y)/n(N) to proceed.\r\n", -1);
choice = UARTGetc();
UARTPutc(choice);
if(('Y' == choice) || ('y' == choice))
{
/* Erase a sector of flash.*/
SectorErase();
}
/* Pass the write enable command to flash.*/
WriteEnable();
/* Wait until write enable command is successfully written to flash.*/
while(FALSE == retVal)
{
retVal = IsWriteSuccess();
}
/* Write data of 1 page size to flash.*/
WriteToFlash();
while(count--);
count = 0x0FFFu;
/* Read data of 1 page size from flash.*/
ReadFromFlash();
while(count--);
/* Verify the data written to and read from flash are same or not.*/
VerifyData();
while(1);
}
//等待刷卡
void WaitingBrush(void)
{
unsigned char i,j;
do
{
WDT_CONTR = 0x3E;
MIF_Halt();
Request(RF_CMD_REQUEST_STD);
AntiColl();
if(SelectCard()==FM1702_OK)
return;
else if(Brushed ==1)
{
Brushed = 0;
Show(0,0);
}
else
{
if(RxD_Buffer == 0x55) //0x55表示指令代码
{
RxD_Buffer = 0;
SendData(0x00); //在没有刷卡的状态下，发送给主机0x00；
}
else if((RxD_Buffer>>4) == 6) //RxD_Buffer高4位为6，底4位是通道号,记忆卡的ID号
{
if((RxD_Buffer!=0x6f)&&(RxD_Buffer!=0x6e)) Channel = RxD_Buffer&0x0f;
else
{
if(RxD_Buffer==0x6f)
{
for(i=0;i<5;i++){USER_Card_ID[Channel][i]=gCard_UID[i];}//Last_gCard_UID[i]=0;
Write_E2PROM8_CardID(); //每开通某个通道，就写E2PROM一次，记录下该卡号的id
Delay_1ms(200);
Delay_1ms(200);
Delay_1ms(200);
Delay_1ms(200);
}
Channel = 0x0f;
}
}
else if(RxD_Buffer == 0x77) //0x77功能代码表示，刷卡单位时间的发送
{
Delay_1ms(100);
SendData(0x33); //无效指令
Delay_1ms(100);
SK_Timer = RxD_Buffer*100;
RxD_Buffer = 0;
SendData(0x33); //无效指令
Delay_1ms(100);
SK_Timer += RxD_Buffer;
RxD_Buffer = 0;
SendData(0x33); //无效指令
Delay_1ms(100);
//Show(SK_Timer,0);
SectorErase(0x600);
ByteProgram(0x600,(SK_Timer/100));
ByteProgram(0x601,(SK_Timer%100));
IAP_Disable();
}
else if((RxD_Buffer>>4) == 8)
{
Delay_1ms(100);
SendData(0x33); //无效指令
for(i=0;i<5;i++){USER_Card_ID[RxD_Buffer&0x0f][i]=0;}
Write_E2PROM8_CardID();
Delay_1ms(200);
Delay_1ms(200);
Delay_1ms(200);
Delay_1ms(200);
}
else if(RxD_Buffer == 0x99)
{
for(j=0;j<10;j++){for(i=0;i<5;i++){USER_Card_ID[j][i]=0;}}
Write_E2PROM8_CardID();
Delay_1ms(200);
Delay_1ms(200);
Delay_1ms(200);
Delay_1ms(200);
}
}
void main()
{
uchar shujv[8];
uchar stop=0;
uchar cejv=1;
uchar flag=0;
uchar helpcejv=0;
init_io();
led0=1;led1=1;ledk=1;
while(NRF_Check())
{
led0=0;
delayms(1000);
led0=1;
delayms(1000);
}
TX_Mode(); //设置为发送模式
/*************自己加的***********************/
while(CNRF_Check()) //检查nrf是否存在
{
led0=0;
delayms(1000);
led0=1;
delayms(1000);
}
CTX_Mode();
/*************自己加的***********************/
stop=byte_read(0x2000); //读取上一次保留的值
while(1)
{
wenshi(shujv); //写入前4个数据
// yali(shujv);//写入第5个数据
// shache(shujv);//写入第六个数据
Get_weight();
if (weight_shiwu/1000<=5)
shujv[4]='0';
else shujv[4]='1';
if(stop==0)
shujv[5]='1';
if(stop==1)
shujv[5]='0';
if(out==0)
shujv[6]='1';
else
shujv[6]='0';
//////////////////////////////
if(NRF24L01_TxPacket(shujv)==TX_OK)
{
led1=0;
delayms(300);
led1=1;
delayms(10);
/////
flag=1;
}
else flag=0;
//////////////////////////////
if(flag==1)
{
if(CNRF24L01_TxPacket(shujv)==TX_OK)
{
led3=0;
delayms(300);
led3=1;
delayms(10);
cejv=0;
helpcejv=0;
}
else
{
helpcejv++;
delayms(100);
if(helpcejv>2)
{ led2=0;
delayms(300);
led2=1;
delayms(10);
cejv=0;
helpcejv=0;
}
}
/////////////////////////////////////////////////
if(shache(cejv,stop)==1)
{
led0=0;
delayms(300);
led0=1;
delayms(10);
stop=1;
SectorErase(0x2000);
byte_write(0x2000,stop);
}
if(checkbutton(cejv,stop)==0)
{stop=1;
SectorErase(0x2000);
byte_write(0x2000,stop);
}
}
}
}
int
main( int ArgC, char *ArgV[] )
{
int BDMHandle;
unsigned int Base;
unsigned int Chips;
unsigned int Bytes;
char *Operation;
FlashError_t Error;
if (ArgC < 6)
Usage( ArgV[0] );
if((BDMHandle = bdm_init(ArgV[1]))<0)
{
fprintf( stderr,
"Problem opening bdm device %s, error code %d.\n", ArgV[1], BDMHandle );
return (EXIT_FAILURE);
}
Base = (unsigned int) strtoul( ArgV[2], NULL, 0 );
Chips = (unsigned int) strtoul( ArgV[3], NULL, 0 );
Bytes = (unsigned int) strtoul( ArgV[4], NULL, 0 );
Operation = ArgV[5];
Error = BDMFlashConfigSet( BDMHandle, Base, Chips, Bytes );
if (Error != FlashErrorOkay_c)
{
fprintf( stderr,
"Problem configuring flash; error code = %d '%s'.\n",
(int) Error,
FlashErrorDescriptionEnglish[Error] );
}
if (strcasecmp( Operation, "erase" ) == 0)
{
Erase( ArgC, ArgV );
}
else if (strcasecmp( Operation, "SectorErase" ) == 0)
{
SectorErase( ArgC, ArgV );
}
else if (strcasecmp( Operation, "BlockErase" ) == 0)
{
BlockErase( ArgC, ArgV );
}
else if (strcasecmp( Operation, "write" ) == 0)
{
Write( ArgC, ArgV );
}
else if (strcasecmp( Operation, "read" ) == 0)
{
Read( BDMHandle, ArgC, ArgV );
}
else if (strcasecmp( Operation, "probe" ) == 0)
{
Probe( ArgC, ArgV );
}
else if (strcasecmp( Operation, "detect" ) == 0)
{
Detect( ArgC, ArgV );
}
else
Usage( ArgV[0] );
bdm_release( BDMHandle );
return (EXIT_SUCCESS);
}
