/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
RCC_Configuration();
GPIO_Configuration();
USART_Configuration();
SysTick_Config(SystemCoreClock/10);
// Enable the LSI OSC
RCC_LSICmd(ENABLE);
// Wait till LSI is ready
while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET) {};
IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable);
// IWDG counter clock: LSI/256
IWDG_SetPrescaler(IWDG_Prescaler_256);
IWDG_SetReload(0x0FFF);
// Reload IWDG counter
IWDG_ReloadCounter();
// Enable IWDG (the LSI oscillator will be enabled by hardware)
IWDG_Enable();
// Write memmory
FLASH_UnlockBank1();
FLASH_ErasePage(FLAG_ADDR);
FLASH_ProgramWord(FLAG_ADDR,(u32)FLAG_UPDATED);
FLASH_LockBank1();
updateFW_control();
}
//=====================================
void saveFont(u32 addr,u8* fontData,u16 length)
{
u32 i = 0;
u32 addr_temp;
u32 data_temp = 0;
FLASH_Status status = FLASH_COMPLETE;
addr_temp = addr;
// Unlock flash to rewrite to flash
FLASH_UnlockBank1();
// Erase pages used to store font
for(i = 0;i<3;i++)
{
status = FLASH_ErasePage(addr_temp);
addr_temp += FLASH_PAGE_SIZE;
}
// Write font data to flash
for(i = 0;i<length;i+=4)
{
memcpy(&data_temp,&fontData[i],((length-i)>4?4:(length-i)));
status = FLASH_ProgramWord(addr,data_temp);
addr += sizeof(u32);
}
FLASH_LockBank1();
}
/**
* @brief Programs a half word at a specified Option Byte Data address.
* @note This function can be used for all STM32F10x devices.
* @param Address: specifies the address to be programmed.
* @param buf: specifies the data to be programmed.
* @param iNbrToWrite: the number to write into flash
* @retval if success return the number to write, -1 if error
*
*/
int Flash_Write(uint32_t iAddress, uint8_t *buf, uint32_t iNbrToWrite)
{
/* Unlock the Flash Bank1 Program Erase controller */
uint32_t secpos;
uint32_t iNumByteToWrite = iNbrToWrite;
uint16_t secoff;
uint16_t secremain;
uint16_t i = 0;
uint8_t tmp[FLASH_PAGE_SIZE];
FLASH_UnlockBank1();
secpos=iAddress & (~(FLASH_PAGE_SIZE -1 )) ;//扇区地址
secoff=iAddress & (FLASH_PAGE_SIZE -1); //在扇区内的偏移
secremain=FLASH_PAGE_SIZE-secoff; //扇区剩余空间大小
volatile FLASH_Status FLASHStatus = FLASH_COMPLETE;
if(iNumByteToWrite<=secremain) secremain = iNumByteToWrite;//不大于4096个字节
while( 1 )
{
Flash_Read(secpos, tmp, FLASH_PAGE_SIZE); //读出整个扇区
for(i=0;i<secremain;i++)
{ //校验数据
if(tmp[secoff+i]!=0XFF)break; //需要擦除
}
if(i<secremain)
{ //需要擦除
FLASHStatus = FLASH_ErasePage(secpos); //擦除这个扇区
if(FLASHStatus != FLASH_COMPLETE)
return -1;
for(i=0;i<secremain;i++) //复制
{
tmp[i+secoff]=buf[i];
}
Flash_Write_Without_check(secpos ,tmp ,FLASH_PAGE_SIZE);//写入整个扇区
}
else
{
Flash_Write_Without_check(iAddress,buf,secremain);//写已经擦除了的,直接写入扇区剩余区间.
}
if(iNumByteToWrite==secremain) //写入结束了
{
break;
}
else
{
secpos += FLASH_PAGE_SIZE;
secoff = 0;//偏移位置为0
buf += secremain; //指针偏移
iAddress += secremain;//写地址偏移
iNumByteToWrite -= secremain; //字节数递减
if(iNumByteToWrite>FLASH_PAGE_SIZE) secremain=FLASH_PAGE_SIZE;//下一个扇区还是写不完
else secremain = iNumByteToWrite; //下一个扇区可以写完了
}
}
FLASH_LockBank1();
return iNbrToWrite;
}
//================================================
static void write_mem(void)
{
u32 addr = 0;
u16 i = 0;
u8 temp[4];
u16 length = 0;
u32 data = 0;
u8 crc = 0;
FLASH_Status status = FLASH_COMPLETE;
// Receive start address
for(i=0;i<4;i++)
temp[i] = USART_GetC();
crc = USART_GetC();
if(crc == (temp[0]^temp[1]^temp[2]^temp[3]))
{
mem_cpy(&addr,temp,4);
USART_PutC(ACK);
length = USART_GetC();
length = (length<<8) | USART_GetC();
for(i = 0;i<length;i++)
fwBuff[i] = USART_GetC();
crc = USART_GetC();
// Write memmory
FLASH_UnlockBank1();
if(!fUpdating)
{
// Disable systick
SysTick->CTRL &=~( SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_TICKINT_Msk |
SysTick_CTRL_ENABLE_Msk);
status = FLASH_ErasePage(FLAG_ADDR);
if(status == FLASH_COMPLETE)
status = FLASH_ProgramWord(FLAG_ADDR,(u32)FLAG_UPDATING);
fUpdating = true;
}
if(status == FLASH_COMPLETE)
status = FLASH_ErasePage(addr);
for(i = 0;i<length;i+=4)
{
mem_cpy(&data,&fwBuff[i],((length-i)>4?4:(length-i)));
if(status != FLASH_COMPLETE)
break;
status = FLASH_ProgramWord(addr,data);
addr += 4;
}
FLASH_LockBank1();
if(status == FLASH_COMPLETE)
USART_PutC(ACK);
else
USART_PutC(NACK);
}
else
USART_PutC(NACK);
}
//-----------------------------------
void Store_Channels_Data(void) //
{
unsigned char i=0,j=0;
FLASH_UnlockBank1();
/* Define the number of page to be erased */
NbrOfPage = (BANK1_WRITE_END_ADDR - BANK1_WRITE_START_ADDR) / FLASH_PAGE_SIZE;
/* Clear All pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
/* Erase the FLASH pages */
for(EraseCounter = 0; (EraseCounter < NbrOfPage) && (FLASHStatus == FLASH_COMPLETE); EraseCounter++)
{
FLASHStatus = FLASH_ErasePage(BANK1_WRITE_START_ADDR + (FLASH_PAGE_SIZE * EraseCounter));
}
/* Program Flash Bank1 */
Address = BANK1_WRITE_START_ADDR;
for(i=0;i<CHANNEL_NUMBER;i++)
{
channels[i].calibrate.cal.brightness=tab.indicators[i].brightness&0xF;
for(j=0;j<4;j++)
{
FLASHStatus = FLASH_ProgramWord(Address, channels[i].calibrate.serialize[j]);
Address = Address + 4;
}
}
FLASH_LockBank1();
// /* Check the corectness of written data */
// Address = BANK1_WRITE_START_ADDR;
//
// while((Address < BANK1_WRITE_END_ADDR) && (MemoryProgramStatus != FAILED))
// {
// if((*(__IO uint32_t*) Address) != Data)
// {
// MemoryProgramStatus = FAILED;
// }
// Address += 4;
// }
//
// if( MemoryProgramStatus == FAILED)
// {
// // while(1);
// //FlashError=1;
// }
return;
}
/**
* @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
*/
/* Porgram FLASH Bank1 ********************************************************/
/* Unlock the Flash Bank1 Program Erase controller */
FLASH_UnlockBank1();
/* Define the number of page to be erased */
NbrOfPage = (BANK1_WRITE_END_ADDR - BANK1_WRITE_START_ADDR) / FLASH_PAGE_SIZE;
/* Clear All pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
/* Erase the FLASH pages */
for(EraseCounter = 0; (EraseCounter < NbrOfPage) && (FLASHStatus == FLASH_COMPLETE); EraseCounter++)
{
FLASHStatus = FLASH_ErasePage(BANK1_WRITE_START_ADDR + (FLASH_PAGE_SIZE * EraseCounter));
}
/* Program Flash Bank1 */
Address = BANK1_WRITE_START_ADDR;
while((Address < BANK1_WRITE_END_ADDR) && (FLASHStatus == FLASH_COMPLETE))
{
FLASHStatus = FLASH_ProgramWord(Address, Data);
Address = Address + 4;
}
FLASH_LockBank1();
/* Check the corectness of written data */
Address = BANK1_WRITE_START_ADDR;
while((Address < BANK1_WRITE_END_ADDR) && (MemoryProgramStatus != FAILED))
{
if((*(__IO uint32_t*) Address) != Data)
{
MemoryProgramStatus = FAILED;
}
Address += 4;
}
while (1)
{
}
}
void FLASH_Write(uint32_t *data, uint16_t len)
{
/* Porgram FLASH Bank1 ********************************************************/
/* Unlock the Flash Bank1 Program Erase controller */
FLASH_UnlockBank1();
/* Define the number of page to be erased */
NbrOfPage = (BANK1_WRITE_END_ADDR - BANK1_WRITE_START_ADDR) / FLASH_PAGE_SIZE;
/* Clear All pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
/* Erase the FLASH pages */
for(EraseCounter = 0; (EraseCounter < NbrOfPage) && (FLASHStatus == FLASH_COMPLETE); EraseCounter++)
{
FLASHStatus = FLASH_ErasePage(BANK1_WRITE_START_ADDR + (FLASH_PAGE_SIZE * EraseCounter));
}
/* Program Flash Bank1 */
Address = BANK1_WRITE_START_ADDR;
while((Address < (BANK1_WRITE_START_ADDR+len)) && (FLASHStatus == FLASH_COMPLETE))
{
FLASHStatus = FLASH_ProgramWord(Address, data);
data++;
Address = Address + 4;
}
FLASH_LockBank1();
/* Check the corectness of written data */
Address = BANK1_WRITE_START_ADDR;
while((Address < BANK1_WRITE_END_ADDR) && (MemoryProgramStatus != FAILED))
{
if((*(__IO uint32_t*) Address) != Data)
{
MemoryProgramStatus = FAILED;
}
Address += 4;
}
if( MemoryProgramStatus == FAILED)
{
// while(1);
FlashError=1;
}
}
int FLASH_write(char* argv){
/* Porgram FLASH Bank1 ********************************************************/
/* Unlock the Flash Bank1 Program Erase controller */
char *pData;
int need_erase = 0;
char buffer[20];
int Data=0x87654321;
int Address,FLASHStatus;
Address = atoi(argv);
pData = strchr(argv,SEP_FIELD);
pData++;
Data = atoi(pData);
sprintf(buffer,"\naddr:%x\n",Address);
printf_(buffer);
sprintf(buffer,"\ndata:%x\n",Data);
printf_(buffer);
if ( *(__IO uint32_t*)Address != 0xffffffff)
need_erase =1;
FLASH_UnlockBank1();
if ( need_erase!=0 ){
printf_("\r\nNeeds erasing page first!erase now...\r\n");
}
/* Define the number of page to be erased */
if ( (Address&0x3) !=0){
printf_("\r\nError:Address must align by four bytes!");
return 3; //3, 命令参数无效
}
FLASH_ProgramWord(Address, Data);
FLASH_LockBank1();
return 0;
/* Check the correctness of written data */
//~ Address = BANK1_WRITE_START_ADDR;
//~ while((Address < BANK1_WRITE_END_ADDR) && (MemoryProgramStatus != FAILED))
//~ {
//~ if((*(__IO uint32_t*) Address) != Data)
//~ {
//~ MemoryProgramStatus = FAILED;
//~ }
//~ Address += 4;
//~ }
}
void ML_FLASH_EraseFlashPages(void)
{
uint32_t NbrOfPage = 0x00;
uint32_t EraseCounter = 0x00;
volatile FLASH_Status FLASHStatus = FLASH_COMPLETE;
FLASH_UnlockBank1();
NbrOfPage = (WRITE_END_ADDR - WRITE_START_ADDR) / FLASH_PAGE_SIZE;
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
/* Erase the FLASH pages */
for(EraseCounter = 0; (EraseCounter < NbrOfPage) && (FLASHStatus == FLASH_COMPLETE); EraseCounter++)
{
FLASHStatus = FLASH_ErasePage(WRITE_START_ADDR + (FLASH_PAGE_SIZE * EraseCounter));
}
FLASH_LockBank1();
}
//================================================
void updateFW_control(void)
{
u8 cmd = 0;
u8 crc = 0;
u32* flagAddr;
u32 flagValue = 0;
FLASH_Status status = FLASH_COMPLETE;
while(1)
{
// Reload IWDG counter
IWDG_ReloadCounter();
cmd = USART_GetC();
switch(cmd)
{
case CMD_WRITE:
crc = USART_GetC();
if(crc == (CMD_WRITE^0xFF))
{
// Ack to host
USART_PutC(ACK);
write_mem();
}
else
USART_PutC(NACK);
break;
case CMD_REBOOT:
crc = USART_GetC();
if(crc == (CMD_REBOOT^0xFF))
{
// Ack to host
USART_PutC(ACK);
// Reboot uC
NVIC_SystemReset();
}
else
USART_PutC(NACK);
break;
case CMD_UPDATE_COMPLETE:
if(fUpdating)
{
// Write memmory
FLASH_UnlockBank1();
status = FLASH_ErasePage(FLAG_ADDR);
if(status == FLASH_COMPLETE)
status = FLASH_ProgramWord(FLAG_ADDR,(u32)FLAG_UPDATED);
fUpdating = false;
FLASH_LockBank1();
if(status == FLASH_COMPLETE)
USART_PutC(ACK);
else
USART_PutC(NACK);
}
else
USART_PutC(NACK);
break;
case CMD_RUN_APP:
// Read out flag value
flagAddr = (u32*)FLAG_ADDR;
flagValue = (u32)(*flagAddr);
if(flagValue == FLAG_UPDATED)
{
USART_PutC(ACK);
// Disable systick
SysTick->CTRL &=~( SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_TICKINT_Msk |
SysTick_CTRL_ENABLE_Msk);
// Jump to user application
JumpAddress = *(__IO u32*) (MAIN_APP_ADDR+ 4);
Jump_To_Application = (pFunction) JumpAddress;
// Initialize user application's Stack Pointer
__set_MSP(*(__IO u32*) MAIN_APP_ADDR);
Jump_To_Application();
}
else
{
USART_PutC(NACK);
}
break;
default:
break;
}
timingCount = 0;
}
}
int main(void) {
initHardware();
int flashy = 0;
BootloaderState state = BLS_UNDEFINED;
char currentCommand = 0;
while (1) {
if (!jshIsUSBSERIALConnected()) {
jshPinOutput(LED2_PININDEX, 0);
// reset, led off
} else {
int f = (flashy>>9) & 0x7F;
if (f&0x40) f=128-f;
jshPinOutput(LED3_PININDEX, ((flashy++)&0xFF)<f);
// flash led
int d = getc();
if (d>=0) { // if we have data
if (state==BLS_EXPECT_DATA) {
} else if (state==BLS_INITED) {
currentCommand = d;
state = BLS_COMMAND_FIRST_BYTE;
} else if (state==BLS_COMMAND_FIRST_BYTE) {
if (currentCommand == d^0xFF) {
unsigned int addr,i;
char chksum, buffer[256];
unsigned int nBytesMinusOne, nPages;
// confirmed
switch (currentCommand) {
case CMD_GET: // get bootloader info
putc(ACK);
putc(5); // 6 bytes
// now report what we support
putc(BOOTLOADER_MAJOR_VERSION<<4 | BOOTLOADER_MINOR_VERSION); // Bootloader version
// list supported commands
putc(CMD_GET);
putc(CMD_GET_ID);
putc(CMD_READ);
putc(CMD_WRITE);
putc(CMD_EXTERASE); // erase
putc(ACK); // last byte
break;
case CMD_GET_ID: // get chip ID
putc(ACK);
putc(1); // 2 bytes
// now report what we support
putc(0x04);
// 0x30 F1 XL density
// 0x14 F1 high density
putc(0x30); // TODO: really?
putc(ACK); // last byte
break;
case CMD_READ: // read memory
putc(ACK);
addr = getc_blocking() << 24;
addr |= getc_blocking() << 16;
addr |= getc_blocking() << 8;
addr |= getc_blocking();
chksum = getc_blocking();
// TODO: check checksum
putc(ACK);
setLEDs(2); // green = wait for data
nBytesMinusOne = getc_blocking();
chksum = getc_blocking();
// TODO: check checksum
putc(ACK);
for (i=0;i<=nBytesMinusOne;i++)
putc(((unsigned char*)addr)[i]);
setLEDs(0); // off
break;
case CMD_WRITE: // write memory
putc(ACK);
addr = getc_blocking() << 24;
addr |= getc_blocking() << 16;
addr |= getc_blocking() << 8;
addr |= getc_blocking();
chksum = getc_blocking();
// TODO: check checksum and address&3==0
putc(ACK);
setLEDs(2); // green = wait for data
nBytesMinusOne = getc_blocking();
for (i=0;i<=nBytesMinusOne;i++)
buffer[i] = getc_blocking();
chksum = getc_blocking();
setLEDs(1); // red = write
// TODO: check checksum and (nBytesMinusOne+1)&3==0
FLASH_UnlockBank1();
for (i=0;i<=nBytesMinusOne;i+=4) {
unsigned int realaddr = addr+i;
if (realaddr >= (FLASH_START+BOOTLOADER_SIZE)) // protect bootloader
FLASH_ProgramWord(realaddr, *(unsigned int*)&buffer[i]);
}
FLASH_LockBank1();
setLEDs(0); // off
putc(ACK); // TODO - could speed up writes by ACKing beforehand if we have space
break;
case CMD_EXTERASE: // erase memory
putc(ACK);
nPages = getc_blocking() << 8;
nPages |= getc_blocking();
chksum = getc_blocking();
// TODO: check checksum
if (nPages == 0xFFFF) {
// all pages (except us!)
setLEDs(1); // red = write
FLASH_UnlockBank1();
for (i=BOOTLOADER_SIZE;i<FLASH_TOTAL;i+=FLASH_PAGE_SIZE)
FLASH_ErasePage((uint32_t)(FLASH_START + i));
FLASH_LockBank1();
setLEDs(0); // off
putc(ACK);
} else {
putc(NACK); // not implemented
}
break;
default: // unknown command
putc(NACK);
break;
}
} else {
// not correct
putc(NACK);
}
state = BLS_INITED;
} else {
switch (d) {
case 0x7F: // initialisation byte
putc(state == BLS_UNDEFINED ? ACK : NACK);
state = BLS_INITED;
break;
}
}
}
}
}
}
/*************************************************
Function: hw_flash_deinit
Descroption:
Input: None
Output:
Return:
Other:
*************************************************/
void hw_flash_deinit(void)
{
FLASH_LockBank1();
}
u8 WriteConfigurationBlock(void)
{
// load all of the config RAM registers into one big array
ConfigData[0] = BOARDCONFIG_ram;
ConfigData[1] = MIDI0MODE_ram; ConfigData[2] = MIDI1MODE_ram; ConfigData[3] = MIDI2MODE_ram;
ConfigData[4] = MIDI3MODE_ram; ConfigData[5] = MIDI4MODE_ram; ConfigData[6] = MIDI5MODE_ram;
ConfigData[7] = MIDI6MODE_ram; ConfigData[8] = MIDI7MODE_ram; ConfigData[9] = MIDI8MODE_ram;
ConfigData[10] = MIDI9MODE_ram; ConfigData[11] = MIDI10MODE_ram; ConfigData[12] = MIDI11MODE_ram;
ConfigData[13] = MIDI12MODE_ram; ConfigData[14] = MIDI13MODE_ram;
ConfigData[15] = MIDI0POL_ram; ConfigData[16] = MIDI1POL_ram; ConfigData[17] = MIDI2POL_ram;
ConfigData[18] = MIDI3POL_ram; ConfigData[19] = MIDI4POL_ram; ConfigData[20] = MIDI5POL_ram;
ConfigData[21] = MIDI6POL_ram; ConfigData[22] = MIDI7POL_ram; ConfigData[23] = MIDI8POL_ram;
ConfigData[24] = MIDI9POL_ram; ConfigData[25] = MIDI10POL_ram; ConfigData[26] = MIDI11POL_ram;
ConfigData[27] = MIDI12POL_ram; ConfigData[28] = MIDI13POL_ram;
ConfigData[29] = MIDI0SENS_ram; ConfigData[30] = MIDI1SENS_ram; ConfigData[31] = MIDI2SENS_ram;
ConfigData[32] = MIDI3SENS_ram; ConfigData[33] = MIDI4SENS_ram; ConfigData[34] = MIDI5SENS_ram;
ConfigData[35] = MIDI6SENS_ram; ConfigData[36] = MIDI7SENS_ram; ConfigData[37] = MIDI8SENS_ram;
ConfigData[38] = MIDI9SENS_ram; ConfigData[39] = MIDI10SENS_ram; ConfigData[40] = MIDI11SENS_ram;
ConfigData[41] = MIDI12SENS_ram; ConfigData[42] = MIDI13SENS_ram;
ConfigData[43] = MIDI0CURVE_ram; ConfigData[44] = MIDI1CURVE_ram; ConfigData[45] = MIDI2CURVE_ram;
ConfigData[46] = MIDI3CURVE_ram; ConfigData[47] = MIDI4CURVE_ram; ConfigData[48] = MIDI5CURVE_ram;
ConfigData[49] = MIDI6CURVE_ram; ConfigData[50] = MIDI7CURVE_ram; ConfigData[51] = MIDI8CURVE_ram;
ConfigData[52] = MIDI9CURVE_ram; ConfigData[53] = MIDI10CURVE_ram; ConfigData[54] = MIDI11CURVE_ram;
ConfigData[55] = MIDI12CURVE_ram; ConfigData[56] = MIDI13CURVE_ram;
ConfigData[57] = MIDI0NOTE_ram; ConfigData[58] = MIDI1NOTE_ram; ConfigData[59] = MIDI2NOTE_ram;
ConfigData[60] = MIDI3NOTE_ram; ConfigData[61] = MIDI4NOTE_ram; ConfigData[62] = MIDI5NOTE_ram;
ConfigData[63] = MIDI6NOTE_ram; ConfigData[64] = MIDI7NOTE_ram; ConfigData[65] = MIDI8NOTE_ram;
ConfigData[66] = MIDI9NOTE_ram; ConfigData[67] = MIDI10NOTE_ram; ConfigData[68] = MIDI11NOTE_ram;
ConfigData[69] = MIDI12NOTE_ram; ConfigData[70] = MIDI13NOTE_ram;
FLASH_UnlockBank1();
/* Define the number of page to be erased */
NbrOfPage = (BANK1_WRITE_END_ADDR - BANK1_WRITE_START_ADDR) / FLASH_PAGE_SIZE;
/* Clear All pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
/* Erase the FLASH pages */
for(EraseCounter = 0; (EraseCounter < NbrOfPage) && (FLASHStatus == FLASH_COMPLETE); EraseCounter++)
{
FLASHStatus = FLASH_ErasePage(BANK1_WRITE_START_ADDR + (FLASH_PAGE_SIZE * EraseCounter));
}
// Write the blocks
uint32_t flashAddress = 0x08007800;
uint8_t *dataaddress = &ConfigData[0];
uint32_t data;
dataaddress = &ConfigData[0];
for(u8 i = 0; i<18; i++){
uint8_t j = i*4;
// dataaddress = &ConfigData[j];
// data = (uint32_t)*(dataaddress + j);
data = ConfigData[j]+(ConfigData[j+1]*0x00000100)+(ConfigData[j+2]*0x00010000)+(ConfigData[j+3]*0x01000000);
FLASHStatus = FLASH_ProgramWord(flashAddress + j, data);
}
FLASH_LockBank1(); // lock the Flash memory again
ConfigurePorts(); // reconfigure the Ports any time you update the configuration
return OK;
}
/********************************************************************************
* FunctionName: Flash_Write
*
* Description :
*
* Parameters :
*
* Returns :
*
* @brief Programs a half word at a specified Option Byte Data address.
* @note This function can be used for all STM32F10x devices.
* @param Address: specifies the address to be programmed.
* @param buf: specifies the data to be programmed.
* @param iNbrToWrite: the number to write into flash
* @retval if success return the number to write, -1 if error
// iAddress：保存EEPROM数据的起始地址（0~）
// iNbrToRead：保存数据长度，要求数据长度小于一页
// *buf：保存数据缓存指针
********************************************************************************/
int Flash_Write(uint32_t iAddress, uint8_t *buf, uint32_t iNbrToWrite)
{
volatile FLASH_Status FLASHStatus = FLASH_COMPLETE;
/* Unlock the Flash Bank1 Program Erase controller */
uint32_t secpos;
uint32_t iNumByteToWrite = iNbrToWrite;
uint16_t secoff;
uint16_t secremain;
uint16_t i = 0;
uint8_t tmp[FLASH_PAGE_SIZE];
FLASH_UnlockBank1();
secpos=iAddress & (~(FLASH_PAGE_SIZE -1 )) ;//扇形地址
secoff=iAddress & (FLASH_PAGE_SIZE -1); //在扇区内的偏移
secremain=FLASH_PAGE_SIZE-secoff; //扇区剩余空间大小
/*不大于4096个字节*/
if(iNumByteToWrite<=secremain) secremain = iNumByteToWrite;
while( 1 )
{
/*读出整个扇区*/
Flash_Read(secpos, tmp, FLASH_PAGE_SIZE);
/*校验数据*/
for(i=0;i<secremain;i++)
{
if(tmp[secoff+i]!=0XFF)//需要擦除
{
break;
}
}
/*需要擦除*/
if(i < secremain)
{
/*擦除这个扇区*/
FLASHStatus = FLASH_ErasePage(secpos);
if(FLASHStatus != FLASH_COMPLETE)
{
return -1;
}
/*复制*/
for(i=0;i<secremain;i++)
{
tmp[i+secoff]=buf[i];
}
/*写入整个扇区*/
Flash_Write_Without_check(secpos ,tmp ,FLASH_PAGE_SIZE);
}
/*写已经擦除了的，直接写入扇区剩余区间*/
else
{
Flash_Write_Without_check(iAddress,buf,secremain);
}
/*写入结束*/
if(iNumByteToWrite == secremain)
{
break;
}
else
{
secpos += FLASH_PAGE_SIZE;
secoff = 0; //偏移位置为0
buf += secremain; //指针偏移
iAddress += secremain; //写地址偏移
iNumByteToWrite -= secremain; //字节数递减
if(iNumByteToWrite > FLASH_PAGE_SIZE)
{
secremain = FLASH_PAGE_SIZE; /*下一个扇区还是写不完*/
}
else
{
secremain = iNumByteToWrite; /*下一个扇区可以写完了*/
}
}
}
FLASH_LockBank1();
return iNbrToWrite;
}
