Revision 89f527ad
Added makefile magic to program bootloader in correct place
| scout_avr/bom/bootloader.c | ||
|---|---|---|
| 1 | 1 |
#include <inttypes.h> |
| 2 |
#include <avr/boot.h> |
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| 2 | 3 |
#include <avr/interrupt.h> |
| 3 | 4 |
#include <avr/pgmspace.h> |
| 4 | 5 |
#include "tiny-twi-sync.h" |
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#include "bootloader.h" |
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| 5 | 7 |
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| 6 | 8 |
uint32_t current_page; |
| 7 | 9 |
|
| ... | ... | |
| 32 | 34 |
boot_page_write (page); // Store buffer in flash page. |
| 33 | 35 |
boot_spm_busy_wait(); // Wait until the memory is written. |
| 34 | 36 |
|
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// Reenable RWW-section again. We need this if we want to jump back |
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// to the application after bootloading. |
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boot_rww_enable (); |
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| 40 | 37 |
// Re-enable interrupts (if they were ever enabled). |
| 41 | 38 |
|
| 42 | 39 |
SREG = sreg; |
| ... | ... | |
| 47 | 44 |
if (current_page == 0) {
|
| 48 | 45 |
uint16_t w = 0xC000 | ((START_ADDR >> 1) - 1); |
| 49 | 46 |
buf[0] = w & 0xFF; |
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buf[1] = (w >> 16) & 0xFF;
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|
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buf[1] = (w >> 8) & 0xFF;
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|
| 51 | 48 |
} |
| 52 | 49 |
boot_program_page(current_page, buf); |
| 53 | 50 |
current_page++; |
| ... | ... | |
| 67 | 64 |
} |
| 68 | 65 |
} |
| 69 | 66 |
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| 73 | 67 |
int main() {
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smb_init(slave_rx); |
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smb_set_address(3); // TODO parameterize address |
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twi_run(); |
|
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// TODO timeout |
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| 74 | 72 |
return 0; |
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} |
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} |
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