+//! Erase an AVR device
+void avr_erase(){
+ avrexchange(0xAC, 0x80, 0, 0);
+}
+
+//! Read lock bits.
+u8 avr_lockbits(){
+ return avrexchange(0x58, 0, 0, 0);
+}
+
+//! Read a byte of EEPROM.
+u8 avr_peekeeprom(u16 adr){
+ return avrexchange(0xA0, adr>>8, adr&0xFF, 0);
+}
+//! Read a byte of EEPROM.
+u8 avr_pokeeeprom(u16 adr, u8 val){
+ return avrexchange(0xC0, adr>>8, adr&0xFF, val);
+}
+
+//! Read a byte of Flash
+u8 avr_peekflash(u16 adr){
+ u16 a=adr>>1;
+ if(adr&1) //high byte
+ return avrexchange(0x28,a>>8,a&0xff,0);
+ else //low byte
+ return avrexchange(0x20,a>>8,a&0xff,0);
+}
+
+