uchar ispEnterProgrammingMode_jarodlau()
{
uchar b;
// return ispEnterProgrammingMode();//原来的代码
//根据跳线恢复设置
//跳线设置速度的部分
ispDisconnect();
ledRedOff();
/* set SCK speed */
if((PINC & (1 << PC2)) == 0)
{
ispSetSCKOption(USBASP_ISP_SCK_8);//低速
}
else
{
ispSetSCKOption(prog_sck);//自动
//默认 prog_sck=USBASP_ISP_SCK_375:硬件SPI， enable SPI, master, 375kHz, XTAL/32 (default)
}
prog_address_newmode = 0;
ledRedOn();
ispConnect();
//加入自动降速的代码
b = ispEnterProgrammingMode();
if(b == 1)
{
//如果 ispEnterProgrammingMode(); 检测了32次都失败，就降速
ispDisconnect();
ledRedOff();
ispSetSCKOption(USBASP_ISP_SCK_8);//低速
prog_address_newmode = 0;
ledRedOn();
ispConnect();
b = ispEnterProgrammingMode();
}
return b;
}
int main(void) {
/*****************
* boot sequence *
*****************/
bootARM(); // ARM boot sequence
vs1002Mute(); // mute volume during start up
// start of code
ledRedOn(); // red LED indicates powering up
LCDInit(); // initialize LCD
LCDClear(black);
return 0;
}
uchar usbFunctionSetup(uchar data[8]) {
uchar len = 0;
if (data[1] == USBASP_FUNC_CONNECT) {
/* set SCK speed */
if ((PINC & (1 << PC2)) == 0) {
ispSetSCKOption(USBASP_ISP_SCK_8);
} else {
ispSetSCKOption(prog_sck);
}
/* set compatibility mode of address delivering */
prog_address_newmode = 0;
ledRedOn();
ispConnect();
} else if (data[1] == USBASP_FUNC_DISCONNECT) {
ispDisconnect();
ledRedOff();
} else if (data[1] == USBASP_FUNC_TRANSMIT) {
if(chip==ATM){
replyBuffer[0] = ispTransmit(data[2]);
replyBuffer[1] = ispTransmit(data[3]);
replyBuffer[2] = ispTransmit(data[4]);
replyBuffer[3] = ispTransmit(data[5]);
} else {
if(data[2]==0x24) {
// read lock bits
replyBuffer[0] = ispTransmit(data[2]);
replyBuffer[1] = ispTransmit(data[3]);
replyBuffer[2] = ispTransmit(data[4]);
switch(ispTransmit(data[5])&0x1C) {
case(0x00):replyBuffer[3]=0xE0;break;
case(0x04):replyBuffer[3]=0xE5;break;
case(0x0C):replyBuffer[3]=0xEE;break;
case(0x1C):replyBuffer[3]=0xFF;break;
}
} else if(data[2]==0x30) {
// read signature
replyBuffer[0] = ispTransmit(0x28);
replyBuffer[1] = ispTransmit(data[3]);
replyBuffer[2] = ispTransmit(data[4]);
replyBuffer[3] = ispTransmit(data[5]);
} else {
replyBuffer[0] = ispTransmit(data[2]);
replyBuffer[1] = ispTransmit(data[3]);
replyBuffer[2] = ispTransmit(data[4]);
replyBuffer[3] = ispTransmit(data[5]);
}
}
len = 4;
} else if (data[1] == USBASP_FUNC_READFLASH) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_READFLASH;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_READEEPROM) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_READEEPROM;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_ENABLEPROG) {
// replyBuffer[0] = ispEnterProgrammingMode();
replyBuffer[0] = ispEnterProgrammingMode_jarodlau();//代码修改成自动降速,jarodlau
len = 1;
} else if (data[1] == USBASP_FUNC_WRITEFLASH) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_pagesize = data[4];
prog_blockflags = data[5] & 0x0F;
prog_pagesize += (((unsigned int) data[5] & 0xF0) << 4);
if (prog_blockflags & PROG_BLOCKFLAG_FIRST) {
prog_pagecounter = prog_pagesize;
}
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_WRITEFLASH;
len = 0xff; /* multiple out */
} else if (data[1] == USBASP_FUNC_WRITEEEPROM) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_pagesize = 0;
prog_blockflags = 0;
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_WRITEEEPROM;
len = 0xff; /* multiple out */
} else if (data[1] == USBASP_FUNC_SETLONGADDRESS) {
/* set new mode of address delivering (ignore address delivered in commands) */
prog_address_newmode = 1;
/* set new address */
prog_address = *((unsigned long*) &data[2]);
} else if (data[1] == USBASP_FUNC_SETISPSCK) {
/* set sck option */
prog_sck = data[2];
replyBuffer[0] = 0;
len = 1;
} else if (data[1] == USBASP_FUNC_TPI_CONNECT) {
tpi_dly_cnt = data[2] | (data[3] << 8);
/* RST high */
ISP_OUT |= (1 << ISP_RST);
ISP_DDR |= (1 << ISP_RST);
clockWait(3);
/* RST low */
ISP_OUT &= ~(1 << ISP_RST);
ledRedOn();
clockWait(16);
tpi_init();
} else if (data[1] == USBASP_FUNC_TPI_DISCONNECT) {
tpi_send_byte(TPI_OP_SSTCS(TPISR));
tpi_send_byte(0);
clockWait(10);
/* pulse RST */
ISP_OUT |= (1 << ISP_RST);
clockWait(5);
ISP_OUT &= ~(1 << ISP_RST);
clockWait(5);
/* set all ISP pins inputs */
ISP_DDR &= ~((1 << ISP_RST) | (1 << ISP_SCK) | (1 << ISP_MOSI));
/* switch pullups off */
ISP_OUT &= ~((1 << ISP_RST) | (1 << ISP_SCK) | (1 << ISP_MOSI));
ledRedOff();
} else if (data[1] == USBASP_FUNC_TPI_RAWREAD) {
replyBuffer[0] = tpi_recv_byte();
len = 1;
} else if (data[1] == USBASP_FUNC_TPI_RAWWRITE) {
tpi_send_byte(data[2]);
} else if (data[1] == USBASP_FUNC_TPI_READBLOCK) {
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_TPI_READ;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_TPI_WRITEBLOCK) {
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_TPI_WRITE;
len = 0xff; /* multiple out */
} else if (data[1] == USBASP_FUNC_GETCAPABILITIES) {
replyBuffer[0] = USBASP_CAP_0_TPI;
replyBuffer[1] = 0;
replyBuffer[2] = 0;
replyBuffer[3] = 0;
len = 4;
}
usbMsgPtr = replyBuffer;
return len;
}
uchar usbFunctionSetup(uchar data[8]) {
uchar len = 0;
if (data[1] == USBASP_FUNC_CONNECT) {
/* set SCK speed */
if ((PINC & (1 << PC2)) == 0) {
ispSetSCKOption(USBASP_ISP_SCK_8);
} else {
ispSetSCKOption(prog_sck);
}
/* set compatibility mode of address delivering */
prog_address_newmode = 0;
ledRedOn();
ispConnect();
} else if (data[1] == USBASP_FUNC_DISCONNECT) {
ispDisconnect();
ledRedOff();
} else if (data[1] == USBASP_FUNC_TRANSMIT) {
replyBuffer[0] = ispTransmit(data[2]);
replyBuffer[1] = ispTransmit(data[3]);
replyBuffer[2] = ispTransmit(data[4]);
replyBuffer[3] = ispTransmit(data[5]);
len = 4;
} else if (data[1] == USBASP_FUNC_READFLASH) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_READFLASH;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_READEEPROM) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_READEEPROM;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_ENABLEPROG) {
replyBuffer[0] = ispEnterProgrammingMode();
len = 1;
} else if (data[1] == USBASP_FUNC_WRITEFLASH) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_pagesize = data[4];
prog_blockflags = data[5] & 0x0F;
prog_pagesize += (((unsigned int) data[5] & 0xF0) << 4);
if (prog_blockflags & PROG_BLOCKFLAG_FIRST) {
prog_pagecounter = prog_pagesize;
}
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_WRITEFLASH;
len = 0xff; /* multiple out */
} else if (data[1] == USBASP_FUNC_WRITEEEPROM) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_pagesize = 0;
prog_blockflags = 0;
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_WRITEEEPROM;
len = 0xff; /* multiple out */
} else if (data[1] == USBASP_FUNC_SETLONGADDRESS) {
/* set new mode of address delivering (ignore address delivered in commands) */
prog_address_newmode = 1;
/* set new address */
prog_address = *((unsigned long*) &data[2]);
} else if (data[1] == USBASP_FUNC_SETISPSCK) {
/* set sck option */
prog_sck = data[2];
replyBuffer[0] = 0;
len = 1;
}
usbMsgPtr = replyBuffer;
return len;
}
uchar usbFunctionSetup(uchar data[8]) {
uchar len = 0;
#ifdef UART_DEBUG
TransmitHex(data[1]);
#endif
if (data[1] == USBASP_FUNC_CONNECT) {
#if 0
/* set SCK speed */
if ((PINC & (1 << PC2)) == 0) {
ispSetSCKOption(USBASP_ISP_SCK_8);
} else {
ispSetSCKOption(prog_sck);
}
#endif
/* set compatibility mode of address delivering */
prog_address_newmode = 0;
ledRedOn();
ispConnect();
} else if (data[1] == USBASP_FUNC_DISCONNECT) {
ispDisconnect();
ledRedOff();
} else if (data[1] == USBASP_FUNC_TRANSMIT) {
// debug - print out contents of message
#ifdef UART_DEBUG
TransmitHex(data[2]);
TransmitHex(data[3]);
TransmitHex(data[4]);
TransmitHex(data[5]);
#endif
replyBuffer[0] = 0;
replyBuffer[1] = 0;
replyBuffer[2] = 0;
replyBuffer[3] = interpretSPICommand(&data[2]);
len = 4;
} else if (data[1] == USBASP_FUNC_READFLASH) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_READFLASH;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_READEEPROM) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_READEEPROM;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_ENABLEPROG) {
replyBuffer[0] = ispEnterProgrammingMode();
len = 1;
} else if (data[1] == USBASP_FUNC_WRITEFLASH) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_pagesize = data[4];
prog_blockflags = data[5] & 0x0F;
prog_pagesize += (((unsigned int) data[5] & 0xF0) << 4);
if (prog_blockflags & PROG_BLOCKFLAG_FIRST) {
prog_pagecounter = prog_pagesize;
}
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_WRITEFLASH;
len = 0xff; /* multiple out */
} else if (data[1] == USBASP_FUNC_WRITEEEPROM) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_pagesize = 0;
prog_blockflags = 0;
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_WRITEEEPROM;
len = 0xff; /* multiple out */
} else if (data[1] == USBASP_FUNC_SETLONGADDRESS) {
/* set new mode of address delivering (ignore address delivered in commands) */
prog_address_newmode = 1;
/* set new address */
prog_address = *((unsigned long*) &data[2]);
} else if (data[1] == USBASP_FUNC_SETISPSCK) {
/* set sck option */
prog_sck = data[2];
replyBuffer[0] = 0;
len = 1;
#if 0
} else if (data[1] == USBASP_FUNC_TPI_CONNECT) {
tpi_dly_cnt = data[2] | (data[3] << 8);
/* RST high */
ISP_OUT |= (1 << ISP_RST);
ISP_DDR |= (1 << ISP_RST);
clockWait(3);
/* RST low */
ISP_OUT &= ~(1 << ISP_RST);
ledRedOn();
clockWait(16);
tpi_init();
} else if (data[1] == USBASP_FUNC_TPI_DISCONNECT) {
tpi_send_byte(TPI_OP_SSTCS(TPISR));
tpi_send_byte(0);
clockWait(10);
/* pulse RST */
ISP_OUT |= (1 << ISP_RST);
clockWait(5);
ISP_OUT &= ~(1 << ISP_RST);
clockWait(5);
/* set all ISP pins inputs */
ISP_DDR &= ~((1 << ISP_RST) | (1 << ISP_SCK) | (1 << ISP_MOSI));
/* switch pullups off */
ISP_OUT &= ~((1 << ISP_RST) | (1 << ISP_SCK) | (1 << ISP_MOSI));
ledRedOff();
} else if (data[1] == USBASP_FUNC_TPI_RAWREAD) {
replyBuffer[0] = tpi_recv_byte();
len = 1;
} else if (data[1] == USBASP_FUNC_TPI_RAWWRITE) {
tpi_send_byte(data[2]);
} else if (data[1] == USBASP_FUNC_TPI_READBLOCK) {
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_TPI_READ;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_TPI_WRITEBLOCK) {
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_TPI_WRITE;
len = 0xff; /* multiple out */
#endif
} else if (data[1] == USBASP_FUNC_GETCAPABILITIES) {
replyBuffer[0] = USBASP_CAP_0_TPI;
replyBuffer[1] = 0;
replyBuffer[2] = 0;
replyBuffer[3] = 0;
len = 4;
}
usbMsgPtr = replyBuffer;
#ifdef UART_DEBUG
TransmitString("\r\n");
#endif
return len;
}
uchar usbFunctionSetup(uchar data[8]) {
uchar len = 0;
if(data[1] == USBASP_FUNC_CONNECT) {
/* set SCK speed */
if ((PINC & (1 << PC2)) == 0) {
ispSetSCKOption(ISP_SCK_SLOW);
} else {
ispSetSCKOption(ISP_SCK_FAST);
}
/* set compatibility mode of address delivering */
prog_address_newmode = 0;
ispConnect();
ledRedOn();
} else if (data[1] == USBASP_FUNC_DISCONNECT) {
ispDisconnect();
ledRedOff();
} else if (data[1] == USBASP_FUNC_TRANSMIT) {
replyBuffer[0] = ispTransmit(data[2]);
replyBuffer[1] = ispTransmit(data[3]);
replyBuffer[2] = ispTransmit(data[4]);
replyBuffer[3] = ispTransmit(data[5]);
len = 4;
} else if (data[1] == USBASP_FUNC_READFLASH) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_READFLASH;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_READEEPROM) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_READEEPROM;
len = 0xff; /* multiple in */
} else if (data[1] == USBASP_FUNC_ENABLEPROG) {
replyBuffer[0] = ispEnterProgrammingMode();;
len = 1;
} else if (data[1] == USBASP_FUNC_WRITEFLASH) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_pagesize = data[4];
prog_blockflags = data[5] & 0x0F;
prog_pagesize += (((unsigned int)data[5] & 0xF0)<<4);
if (prog_blockflags & PROG_BLOCKFLAG_FIRST) {
prog_pagecounter = prog_pagesize;
}
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_WRITEFLASH;
len = 0xff; /* multiple out */
} else if (data[1] == USBASP_FUNC_WRITEEEPROM) {
if (!prog_address_newmode)
prog_address = (data[3] << 8) | data[2];
prog_pagesize = 0;
prog_blockflags = 0;
prog_nbytes = (data[7] << 8) | data[6];
prog_state = PROG_STATE_WRITEEEPROM;
len = 0xff; /* multiple out */
} else if(data[1] == USBASP_FUNC_SETLONGADDRESS) {
/* set new mode of address delivering (ignore address delivered in commands) */
prog_address_newmode = 1;
/* set new address */
prog_address = *((unsigned long*)&data[2]);
}
else if (data[1] == BYRON_START_BOOTLOADER) {
cli();
USB_INTR_ENABLE = 0;
USB_INTR_CFG = 0; /* also reset config bits */
GICR = (1 << IVCE); /* enable change of interrupt vectors */
GICR = (1 << IVSEL); /* move interrupts to boot flash section */
bootStart = 0x55AA1177; // Bootloader start from application
for(;;); // Reset from watchdog
}
usbMsgPtr = replyBuffer;
return len;
}