87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
#ifndef MC8051FUN_H
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#define MC8051FUN_H
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#include <stdint.h>
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#include <8052.h>
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#define STC15XX 1 // STC15xx family
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#define AT89XX 2 // AT89XX family
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#define AT89XX_6T 3 // AT89C89C52 in 6T mode
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void uart_send_chr(char tx_data);
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void uart_send_str(const char *str);
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void uart_init_(uint8_t timer_init,uint8_t x2);
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#define uart_init_8051(baud,x2) \
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uart_init_(256L-FOSC/12L/(baud*32L/(1<<x2)),x2)
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#define uart_init_at89xx_6t_(baud,x2) \
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uart_init_(256L-FOSC/12L/(baud*16L/(1<<x2)),x2)
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#if MCU==AT89XX_6T
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#define uart_init(baud,x2) uart_init_at89xx_6t_(baud,x2)
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#else
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#define uart_init(baud,x2) uart_init_8051(baud,x2)
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#endif
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#define setbits(var,bits) (var|=bits)
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#define unsetbits(var,bits) (var&=(bits^0xff))
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int8_t rotary_encoder_stat(uint8_t b);
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extern uint8_t sevenseg_dec[10];
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extern uint8_t sevenseg_dec_inv[10];
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/**
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* Minimum frequency is 15 Hz @ FOSC of 11 Mhz
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*/
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#define default_timer16_init_val(freq) ((65536L)-FOSC/12L/freq)
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#define default_timer8_init_val(freq) ((256L)-FOSC/12L/freq)
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#define at89xx_6t_timer16_init_val(freq) ((65536L)-FOSC/6L/freq)
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#define at89xx_6t_timer8_init_val(freq) ((256L)-FOSC/6L/freq)
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#if MCU==AT89XX_6T
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#define timer8_init_val(freq) at89xx_6t_timer8_init_val(freq)
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#define timer16_init_val(freq) at89xx_6t_timer16_init_val(freq)
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#else
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#define timer8_init_val(freq) default_timer8_init_val(freq)
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#define timer16_init_val(freq) default_timer16_init_val(freq)
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#endif
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uint16_t int_to_bcd(uint16_t i);
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int getbutton(uint8_t pinval, uint8_t *button);
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extern uint8_t getbutton_time;
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/* a different representation of pins, which
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* lets us iteratate over pins.
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* But its slower, of course */
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typedef struct {
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uint8_t port;
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uint8_t pin;
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} i8051pin_T;
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void setpin_hi(i8051pin_T *pin);
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void setpin_lo(i8051pin_T *pin);
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int getpin(i8051pin_T *pin);
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void setpin(i8051pin_T *pin, uint8_t val);
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uint8_t getport(int n);
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#endif
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