Revision 183 trunk/bootloader/bootloader.c
| bootloader.c (revision 183) | ||
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#include <avr/io.h> |
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#include <avr/boot.h> |
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#include <avr/pgmspace.h> |
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#include <avr/wdt.h> |
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#include <tooltron.h> |
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#include "uart.h" |
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#define TRUE 0 |
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#define FALSE 1 |
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#define ADDR 18 |
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// Error thresholds |
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#define MAX_TIMEOUT 60000 // Seconds to wait before exiting bootloader mode |
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#define MAX_RETRIES 5 // Number of times to retry before giving up |
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// Memory locations |
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#define MAIN_ADDR 0x000 // Where the user code starts |
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#define BOOT_START 0x400 // Where the bootloader starts |
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//Status LED |
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#define LED_DDR DDRB |
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#define LED_PORT PORTB |
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//Function prototypes |
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void (*main_start)(void) = BOOT_START/2 - 1; |
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// Packet handler states |
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typedef enum {
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sd, |
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src, |
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dest, |
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comd, |
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read, |
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cs, |
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ack |
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} state_t; |
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typedef union {
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uint8_t bytes[2]; |
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int16_t sword; |
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