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this version of flasher works.

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This commit is contained in:
Mariano Alvira 2009-05-08 17:27:24 -04:00
parent c0b912dca2
commit 3bea9ac2f0
1 changed files with 50 additions and 23 deletions
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73
tests/flasher.c
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@ -26,6 +26,7 @@ void put_hex(uint8_t x);
void put_hex16(uint16_t x);
void put_hex32(uint32_t x);
uint8_t getc();
void flushrx();
const uint8_t hex[16]={'0','1','2','3','4','5','6','7',
'8','9','a','b','c','d','e','f'};
@ -42,10 +43,10 @@ __attribute__ ((section ("startup")))
void main(void) {
nvmType_t type=0;
nvmErr_t err;
uint8_t c;
uint32_t buf[NBYTES/4];
uint32_t i;
uint32_t len=0;
volatile uint8_t c;
volatile uint32_t buf[NBYTES/4];
volatile uint32_t i;
volatile uint32_t len=0;
*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000100;
@ -72,49 +73,69 @@ void main(void) {
// put_hex32(reg(0x80003018));
// puts("\n\r");
puts("Detecting internal nvm\n\r");
// puts("Detecting internal nvm\n\r");
err = nvm_detect(gNvmInternalInterface_c, &type);
/*
puts("nvm_detect returned: 0x");
put_hex(err);
puts(" type is: 0x");
put_hex32(type);
puts("\n\r");
*/
/* erase the flash */
err = nvm_erase(gNvmInternalInterface_c, type, 0x4fffffff);
// err = nvm_erase(gNvmInternalInterface_c, type, 0x4fffffff);
err = nvm_erase(gNvmInternalInterface_c, 1, 0x4fffffff);
/*
puts("nvm_erase returned: 0x");
put_hex(err);
puts("\n\r");
*/
/* say we are ready */
ready:
len = 0;
puts("ready");
flushrx();
/* read the length */
for(i=0; i<4; i++) {
c = getc();
/* bail if the first byte of the length is zero */
if((i==0) && (c==0)) goto ready;
len += (len<<(i*8));
puts("len: ");
put_hex32(len);
puts("\n\r");
len += (c<<(i*8));
}
// puts("len: ");
// put_hex32(len);
// puts("\n\r");
/* write the OKOK magic */
buf[0] = 'O'; buf[1] = 'K'; buf[2] = 'O'; buf[3] = 'K';
err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)buf, 0, 4);
((uint8_t *)buf)[0] = 'O'; ((uint8_t *)buf)[1] = 'K'; ((uint8_t *)buf)[2] = 'O'; ((uint8_t *)buf)[3] = 'K';
// ((uint8_t *)buf)[3] = 'x';
// err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)buf, 0, 4);
err = nvm_write(gNvmInternalInterface_c, 1, (uint8_t *)buf, 0, 4);
// puts("nvm_write returned: 0x");
// put_hex(err);
// puts("\n\r");
/* write the length */
err = nvm_write(gNvmInternalInterface_c, 1, (uint8_t *)&len, 4, 4);
/* read a byte, write a byte */
/* byte at a time will make this work as a contiki process better */
/* for OTAP */
for(i=0; i<len; i++) {
c = getc();
err = nvm_write(gNvmInternalInterface_c, type, &c, 4+i, 1);
// put_hex(c);
// puts(": ");
// err = nvm_write(gNvmInternalInterface_c, type, &c, 4+i, 1);
err = nvm_write(gNvmInternalInterface_c, 1, &c, 8+i, 1);
// if(err==0) { putc('.'); } else { putc('x'); }
// puts("nvm_write returned: 0x");
// put_hex(err);
// puts("\n\r");
}
puts("flasher done\n\r");
@ -122,15 +143,21 @@ ready:
while(1) {continue;};
}
void flushrx()
{
volatile uint8_t c;
while(reg(UR1CON) !=0) {
c = reg(UART1_DATA);
}
}
uint8_t getc()
{
uint8_t c;
while(reg(UR1CON) == 0) {
/* Receive buffer isn't empty */
/* read a byte and write it to the transmit buffer */
c = reg(UART1_DATA);
return c;
}
volatile uint8_t c;
while(reg(UR1CON) == 0);
c = reg(UART1_DATA);
return c;
}
void putc(uint8_t c) {