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AVR support for setting lock bits.
[goodfet]
/
firmware
/
apps
/
avr
/
avr.c
diff --git
a/firmware/apps/avr/avr.c
b/firmware/apps/avr/avr.c
index
f1fe5b7
..
a4ba6fd
100644
(file)
--- a/
firmware/apps/avr/avr.c
+++ b/
firmware/apps/avr/avr.c
@@
-70,7
+70,7
@@
u8 avrexchange(u8 a, u8 b, u8 c, u8 d){
avrtrans8(a);
avrtrans8(b);
if(avrtrans8(c)!=b){
avrtrans8(a);
avrtrans8(b);
if(avrtrans8(c)!=b){
- debugstr("AVR sync error, b not returned as c.");
+
//
debugstr("AVR sync error, b not returned as c.");
//Reconnect here?
}
return avrtrans8(d);
//Reconnect here?
}
return avrtrans8(d);
@@
-104,6
+104,12
@@
void avr_erase(){
u8 avr_lockbits(){
return avrexchange(0x58, 0, 0, 0);
}
u8 avr_lockbits(){
return avrexchange(0x58, 0, 0, 0);
}
+//! Write lock bits.
+void avr_setlock(u8 bits){
+ debugstr("Setting lock bits.");
+ avrexchange(0xAC,0xE0,0x00,
+ bits);
+}
//! Read a byte of EEPROM.
u8 avr_peekeeprom(u16 adr){
//! Read a byte of EEPROM.
u8 avr_peekeeprom(u16 adr){
@@
-162,7
+168,10
@@
void avrhandle(unsigned char app,
cmddata[0]=avr_lockbits();
txdata(app,verb,1);
break;
cmddata[0]=avr_lockbits();
txdata(app,verb,1);
break;
-
+ case AVR_POKELOCK:
+ avr_setlock(cmddata[0]);
+ txdata(app,verb,0);
+ break;
case AVR_POKEEEPROM:
avr_pokeeeprom(cmddataword[0], cmddata[2]);
//no break here.
case AVR_POKEEEPROM:
avr_pokeeeprom(cmddataword[0], cmddata[2]);
//no break here.