AVR Bootloader (avrboot cleanup)
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1.3 KiB

#ifndef _MEGA162_H_
#define _MEGA162_H_
/* Part-Code ISP */
// documented code (AVR109 AppNote) but not supported by AVRProg 1.40
// #define DEVTYPE_ISP 0x62
// fake ATmega16 instead:
#define DEVTYPE_ISP 0x74
/* Part-Code Boot */
// documented code but not supported by AVRProg 1.40
// #define DEVTYPE_BOOT 0x63
// fake ATmega16:
#define DEVTYPE_BOOT 0x75
#define SIG_BYTE1 0x1E
#define SIG_BYTE2 0x94
#define SIG_BYTE3 0x04
#ifndef UART_USE_SECOND
#define UART_BAUD_HIGH UBRR0H
#define UART_BAUD_LOW UBRR0L
#define UART_STATUS UCSR0A
#define UART_TXREADY UDRE0
#define UART_RXREADY RXC0
#define UART_DOUBLE U2X0
#define UART_CTRL UCSR0B
#define UART_CTRL_DATA ((1<<TXEN0) | (1<<RXEN0))
#define UART_CTRL2 UCSR0C
#define UART_CTRL2_DATA ((1<<URSEL0) | (1<<UCSZ01) | (1<<UCSZ00))
#define UART_DATA UDR0
#else
#define UART_BAUD_HIGH UBRR1H
#define UART_BAUD_LOW UBRR1L
#define UART_STATUS UCSR1A
#define UART_TXREADY UDRE1
#define UART_RXREADY RXC1
#define UART_DOUBLE U2X1
#define UART_CTRL UCSR1B
#define UART_CTRL_DATA ((1<<TXEN1) | (1<<RXEN1))
#define UART_CTRL2 UCSR1C
#define UART_CTRL2_DATA ( (1<<URSEL1) | (1<<UCSZ11) | (1<<UCSZ10))
#define UART_DATA UDR1
#endif
#endif // #ifndef _MEGA162_H_