timer2_mode0.h

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#ifndef STC15_TIMER2_MODE0H
#define STC15_TIMER2_MODE0H
 
#include <sys.h>
#include <bits.h>
#include <interrupt.h>
 
#include <stdint.h>
#include <stdbool.h>
 
#include <timer_structs.h>
 
 
#define timer2_mode0_12T_init()                                         \
do {                                                                    \
    enable_mcu_interrupts();                                            \
    enable_timer2_interrupt();                                          \
    AUXR &= 0xE2;                                                       \
} while(0)
 
#define timer2_mode0_1T_init()                                          \
do {                                                                    \
    enable_mcu_interrupts();                                            \
    enable_timer2_interrupt();                                          \
    AUXR &= 0xE2;                                                       \
    AUXR |= 0x05;                                                       \
} while(0)  
 
 
#define timer2_mode0_enable_P30_output() (bit_set(INT_CLKO, SBIT2))
 
#define timer2_mode0_disable_P30_output() (bit_clr(INT_CLKO, CBIT2))
 
#define is_timer2_mode0_P30_output_enabled() (test_if_bit_set(INT_CLKO, SBIT2))
 
 
 
#define timer2_mode0_start(ticks)                           \
do {                                                        \
    timer2_mode0_reload(ticks);                             \
                                                            \
    bit_set(AUXR, SBIT4);                                   \
} while(0)
 
#define timer2_mode0_direct_start(th0, tl0)                 \
do {                                                        \
    timer2_mode0_direct_reload(th0, tl0);                   \
                                                            \
    bit_set(AUXR, SBIT4);                                   \
} while(0)
 
#define timer2_mode0_stop() {                               \
    bit_clr(AUXR, CBIT4); /* clear T2 run flag */           \
}
 
#define is_timer2_mode0_started() (test_if_bit_set(AUXR, SBIT4))
 
#define timer2_mode0_reload(ticks)                              \
do {                                                            \
    uint16_t value = 0xffff - ticks;                            \
    T2L = value & 0xff;                                         \
    T2H = (value >> 8) & 0xff;                                  \
} while(0)
 
#define timer2_mode0_direct_reload(th2, tl2)                    \
do {                                                            \
    T2H = th2;                                                  \
    T2L = tl2;                                                  \
} while(0)
 
 
#endif