33 lines
790 B
C
33 lines
790 B
C
#ifndef _MEGA8_H_
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#define _MEGA8_H_
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/* Part-Code ISP */
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#define DEVTYPE_ISP 0x76
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/* Part-Code BOOT */
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#define DEVTYPE_BOOT 0x77
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#define SIG_BYTE1 0x1E
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#define SIG_BYTE2 0x93
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#define SIG_BYTE3 0x07
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#ifdef UART_DOUBLESPEED
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#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
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#else
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#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
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#endif
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#define UART_BAUD_HIGH UBRRH
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#define UART_BAUD_LOW UBRRL
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#define UART_STATUS UCSRA
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#define UART_TXREADY UDRE
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#define UART_RXREADY RXC
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#define UART_DOUBLE U2X
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#define UART_CTRL UCSRB
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#define UART_CTRL_DATA ((1<<TXEN) | (1<<RXEN))
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#define UART_CTRL2 UCSRC
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#define UART_CTRL2_DATA ((1<<URSEL) | (1<<UCSZ1) | (1<<UCSZ0))
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#define UART_DATA UDR
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#endif // #ifndef _MEGA8_H_
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