diff options
Diffstat (limited to 'bootloaders/nuevo_diskloader/src')
| -rw-r--r-- | bootloaders/nuevo_diskloader/src/DiskLoader.cpp | 52 |
1 files changed, 43 insertions, 9 deletions
diff --git a/bootloaders/nuevo_diskloader/src/DiskLoader.cpp b/bootloaders/nuevo_diskloader/src/DiskLoader.cpp index 2c91367..10c80b8 100644 --- a/bootloaders/nuevo_diskloader/src/DiskLoader.cpp +++ b/bootloaders/nuevo_diskloader/src/DiskLoader.cpp @@ -20,6 +20,7 @@ void entrypoint(void) } u8 _flashbuf[128]; +volatile u16 _timeout; void Program(u8 ep, u16 page, u8 count) { @@ -45,6 +46,34 @@ void Program(u8 ep, u16 page, u8 count) boot_rww_enable (); } +#define STK_OK 0x10 +#define STK_INSYNC 0x14 // ' ' +#define CRC_EOP 0x20 // 'SPACE' +#define STK_GET_SYNC 0x30 // '0' + +#define STK_GET_PARAMETER 0x41 // 'A' +#define STK_SET_DEVICE 0x42 // 'B' +#define STK_SET_DEVICE_EXT 0x45 // 'E' +#define STK_LOAD_ADDRESS 0x55 // 'U' +#define STK_UNIVERSAL 0x56 // 'V' +#define STK_PROG_PAGE 0x64 // 'd' +#define STK_READ_PAGE 0x74 // 't' +#define STK_READ_SIGN 0x75 // 'u' + +extern const u8 _readSize[] PROGMEM; +const u8 _readSize[] = +{ + STK_GET_PARAMETER, 1, + STK_SET_DEVICE, 20, + STK_SET_DEVICE_EXT, 5, + STK_UNIVERSAL, 4, + STK_LOAD_ADDRESS, 2, + STK_PROG_PAGE, 3, + STK_READ_PAGE, 3, + 0,0 +}; + + int main(void) __attribute__ ((naked)); int main() { @@ -68,21 +97,26 @@ int main() for (;;) { -// L_LED_ON(); -// _delay_ms(250); -// L_LED_OFF(); -// _delay_ms(250); u8* packet = _flashbuf; u16 address = 0; for (;;) { -// u8 cmd = getch(); if (Serial.available() > 0) { u8 cmd = Serial.read(); - if (cmd == '0') - L_LED_OFF(); - if (cmd == '1') - L_LED_ON(); + // Read packet contents + u8 len; + const u8* rs = _readSize; + for (;;) + { + u8 c = pgm_read_byte(rs++); + len = pgm_read_byte(rs++); + if (c == cmd || c == 0) + break; + } + _timeout = 0; + // Read params + USB_Recv(CDC_RX, packet, len); + } } } |