int main(void) {
nvmType_t type=0;
nvmErr_t err;
volatile uint8_t c;
volatile uint32_t i;
volatile uint32_t buf[4];
volatile uint32_t len=0;
volatile uint32_t state = SCAN_X;
volatile uint32_t addr,data;
uart_init(UART1, 115200);
disable_irq(UART1);
vreg_init();
dbg_putstr("Detecting internal nvm\n\r");
err = nvm_detect(gNvmInternalInterface_c, &type);
dbg_putstr("nvm_detect returned: 0x");
dbg_put_hex(err);
dbg_putstr(" type is: 0x");
dbg_put_hex32(type);
dbg_putstr("\n\r");
err = nvm_read(gNvmInternalInterface_c, type, (uint8_t *)nvm_base, NVM_BASE, 0x100);
dbg_putstr("nvm_read returned: 0x");
dbg_put_hex(err);
dbg_putstr("\n\r");
/* erase the flash */
nvm_setsvar(0);
err = nvm_erase(gNvmInternalInterface_c, type, 0x40000000);
dbg_putstr("nvm_erase returned: 0x");
dbg_put_hex(err);
dbg_putstr("\n\r");
dbg_putstr(" type is: 0x");
dbg_put_hex32(type);
dbg_putstr("\n\r");
err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)nvm_base, NVM_BASE, 0x100);
dbg_putstr("nvm_write returned: 0x");
dbg_put_hex(err);
dbg_putstr("\n\r");
/* say we are ready */
len = 0;
putstr("ready");
flushrx();
/* read the length */
for(i=0; i<4; i++) {
c = uart1_getc();
/* bail if the first byte of the length is zero */
len += (c<<(i*8));
}
dbg_putstr("len: ");
dbg_put_hex32(len);
dbg_putstr("\n\r");
dbg_putstr(" type is: 0x");
dbg_put_hex32(type);
dbg_putstr("\n\r");
putstr("flasher done\n\r");
state = SCAN_X; addr=0;
while((c=getc())) {
if(state == SCAN_X) {
/* read until we see an 'x' */
if(c==0) { break; }
if(c!='x'){ continue; }
/* go to read_chars once we have an 'x' */
state = READ_CHARS;
i = 0;
}
if(state == READ_CHARS) {
/* read all the chars up to a ',' */
((uint8_t *)buf)[i++] = c;
/* after reading a ',' */
/* goto PROCESS state */
if((c == ',') || (c == 0)) { state = PROCESS; }
}
if(state == PROCESS) {
if(addr==0) {
/*interpret the string as the starting address */
addr = to_u32(buf);
} else {
/* string is data to write */
data = to_u32(buf);
putstr("writing addr ");
put_hex32(NVM_BASE+addr);
putstr(" data ");
put_hex32(data);
err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)&data, NVM_BASE+addr, 4);
addr += 4;
putstr(" err ");
put_hex32(err);
putstr("\n\r");
}
/* look for the next 'x' */
state=SCAN_X;
}
}
putstr("process flasher done\n\r");
while(1) {continue;};
}
void main(void) {
nvmType_t type=0;
nvmErr_t err;
volatile uint8_t c;
volatile uint32_t i;
volatile uint32_t buf[4];
volatile uint32_t len=0;
volatile uint32_t state = SCAN_X;
volatile uint32_t addr,data;
uart_init(INC, MOD, SAMP);
disable_irq(UART1);
vreg_init();
dbg_putstr("Detecting internal nvm\n\r");
err = nvm_detect(gNvmInternalInterface_c, &type);
dbg_putstr("nvm_detect returned: 0x");
dbg_put_hex(err);
dbg_putstr(" type is: 0x");
dbg_put_hex32(type);
dbg_putstr("\n\r");
/* erase the flash */
err = nvm_erase(gNvmInternalInterface_c, type, 0x7fffffff);
dbg_putstr("nvm_erase returned: 0x");
dbg_put_hex(err);
dbg_putstr("\n\r");
dbg_putstr(" type is: 0x");
dbg_put_hex32(type);
dbg_putstr("\n\r");
/* say we are ready */
len = 0;
putstr("ready");
flushrx();
/* read the length */
for(i=0; i<4; i++) {
c = uart1_getc();
/* bail if the first byte of the length is zero */
len += (c<<(i*8));
}
dbg_putstr("len: ");
dbg_put_hex32(len);
dbg_putstr("\n\r");
/* write the OKOK magic */
#if BOOT_OK
((uint8_t *)buf)[0] = 'O'; ((uint8_t *)buf)[1] = 'K'; ((uint8_t *)buf)[2] = 'O'; ((uint8_t *)buf)[3] = 'K';
#elif BOOT_SECURE
((uint8_t *)buf)[0] = 'S'; ((uint8_t *)buf)[1] = 'E'; ((uint8_t *)buf)[2] = 'C'; ((uint8_t *)buf)[3] = 'U';
#else
((uint8_t *)buf)[0] = 'N'; ((uint8_t *)buf)[1] = 'O'; ((uint8_t *)buf)[2] = 'N'; ((uint8_t *)buf)[3] = 'O';
#endif
dbg_putstr(" type is: 0x");
dbg_put_hex32(type);
dbg_putstr("\n\r");
/* don't make a valid boot image if the received length is zero */
if(len == 0) {
((uint8_t *)buf)[0] = 'N';
((uint8_t *)buf)[1] = 'O';
((uint8_t *)buf)[2] = 'N';
((uint8_t *)buf)[3] = 'O';
}
err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)buf, 0, 4);
dbg_putstr("nvm_write returned: 0x");
dbg_put_hex(err);
dbg_putstr("\n\r");
/* write the length */
err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)&len, 4, 4);
/* read a byte, write a byte */
for(i=0; i<len; i++) {
c = getc();
err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)&c, 8+i, 1);
}
putstr("flasher done\n\r");
state = SCAN_X; addr=0;
while((c=getc())) {
if(state == SCAN_X) {
/* read until we see an 'x' */
if(c==0) { break; }
if(c!='x'){ continue; }
/* go to read_chars once we have an 'x' */
state = READ_CHARS;
i = 0;
}
if(state == READ_CHARS) {
/* read all the chars up to a ',' */
((uint8_t *)buf)[i++] = c;
/* after reading a ',' */
/* goto PROCESS state */
if((c == ',') || (c == 0)) { state = PROCESS; }
}
if(state == PROCESS) {
if(addr==0) {
/*interpret the string as the starting address */
addr = to_u32(buf);
} else {
/* string is data to write */
data = to_u32(buf);
putstr("writing addr ");
put_hex32(addr);
putstr(" data ");
put_hex32(data);
putstr("\n\r");
err = nvm_write(gNvmInternalInterface_c, 1, (uint8_t *)&data, addr, 4);
addr += 4;
}
/* look for the next 'x' */
state=SCAN_X;
}
}
while(1) {continue;};
}
