razzor/twiboot
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fixed eeprom handling

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This commit is contained in:
Olaf Rempel 2008-02-17 23:04:52 +01:00
parent b9595cca59
commit 96a79d970d
1 changed files with 6 additions and 1 deletions
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7
main.c
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@ -45,6 +45,9 @@
* LED on PORTB4 blinks with 20Hz (while bootloader is running)
* LED on PORTB5 blinks on TWI activity
*
* Fuse H: 0xda (512 words bootloader)
* Fuse L: 0x84 (8Mhz internal RC-Osz., 2.7V BOD)
*
* bootloader twi-protocol:
* - get info about bootloader:
* SLA+W, 0x10, SLA+R, {16 bytes}, STO
@ -68,7 +71,7 @@
* SLA+W, 0x1F, STO
*/
const static uint8_t info[16] = "TWIBOOT m8-v1.1";
const static uint8_t info[16] = "TWIBOOT m8-v1.2";
const static uint8_t signature[4] = { 0x1E, 0x93, 0x07, 0x00 };
/* wait 40 * 25ms = 1s */
@ -138,6 +141,8 @@ ISR(TWI_vect)
case CMD_GET_SIGNATURE:
case CMD_WRITE_FLASH:
case CMD_READ_FLASH:
case CMD_WRITE_EEPROM:
case CMD_READ_EEPROM:
/* abort countdown */
boot_timeout = 0;