// initialization
void ICACHE_FLASH_ATTR enableIRIn() {
// initialize state machine variables
irparams.rcvstate = STATE_IDLE;
irparams.rawlen = 0;
set_gpio_mode(irparams.recvpin, GPIO_PULLUP, GPIO_INPUT); //GPIO13 IR RECV
//Start periodic loop
os_timer_disarm(&ir_timer);
os_timer_setfn(&ir_timer, (os_timer_func_t *)ir_cb, (void *)11);
os_timer_arm_us(&ir_timer,50,true);
}
void ir_tx_handler()//u8 ir_tx_addr, u8 ir_tx_data,u16 ir_tx_rep)
{
u32 t_expire=0;
static u32 rep_expire_us=110000;//for nec 32bit mode
static u16 data_tmp=0;
static u8 ir_tx_bit_num=0;
static u8 ir_bit_state=TX_BIT_CARRIER;
#if IR_TX_STATUS_MACHINE_HW_TIMER
hw_timer_stop();
#else
os_timer_disarm(&ir_tx_timer);
#endif
switch(ir_tx_state)
{
case IR_TX_IDLE:
{
gen_carrier_clk();
ir_tx_state = IR_TX_HEADER;
#if IR_TX_STATUS_MACHINE_HW_TIMER
hw_timer_arm(IR_NEC_HEADER_HIGH_US);
hw_timer_start();
#else
os_timer_arm_us(&ir_tx_timer, IR_NEC_HEADER_HIGH_US, 0);//143 9ms
#endif
break;
}
case IR_TX_HEADER:
{
ir_tx_carrier_clr();
#if IR_TX_STATUS_MACHINE_HW_TIMER
hw_timer_arm(IR_NEC_HEADER_LOW_US);
hw_timer_start();
#else
os_timer_arm_us(&ir_tx_timer, IR_NEC_HEADER_LOW_US, 0);//71 ,4.5ms
#endif
ir_tx_state=IR_TX_DATA;
ir_bit_state=TX_BIT_CARRIER;
data_tmp=ir_tx_addr;
rep_expire_us-=13500;
break;
}
case IR_TX_DATA:
{
if(ir_bit_state==TX_BIT_CARRIER){
t_expire=IR_NEC_DATA_HIGH_US;
ir_bit_state=TX_BIT_LOW;
gen_carrier_clk();
}else if(ir_bit_state==TX_BIT_LOW){
ir_tx_carrier_clr();
if( (data_tmp>>(ir_tx_bit_num% IR_NEC_BIT_NUM ))&0x1){
t_expire=IR_NEC_DATA_LOW_1_US;
} else{
t_expire=IR_NEC_DATA_LOW_0_US;
}
ir_tx_bit_num++;
if(ir_tx_bit_num==IR_NEC_BIT_NUM ){
if(ir_tx_standard) data_tmp=(~ir_tx_addr);
else data_tmp = ir_tx_addr2;
}else if(ir_tx_bit_num==IR_NEC_BIT_NUM*2 ){
if(ir_tx_standard) data_tmp=ir_tx_cmd;
else data_tmp=ir_tx_cmd;
}else if(ir_tx_bit_num==IR_NEC_BIT_NUM*3){
if(ir_tx_standard) data_tmp=(~ir_tx_cmd);
else data_tmp=ir_tx_cmd2;
}else if((ir_tx_bit_num==(IR_NEC_BIT_NUM*4+1))){
//clean up state for next or for repeat
ir_tx_state=IR_TX_IDLE;
ir_tx_bit_num=0;
ir_bit_state=TX_BIT_CARRIER;
#if IR_TX_STATUS_MACHINE_HW_TIMER
hw_timer_stop();
#else
os_timer_disarm(&ir_tx_timer);
#endif
if(ir_tx_rep>0){
t_expire= (rep_expire_us -5);
#if IR_TX_STATUS_MACHINE_HW_TIMER
hw_timer_arm(t_expire);
hw_timer_start();
#else
os_timer_arm_us(&ir_tx_timer, t_expire, 0);//71
#endif
rep_expire_us=IR_NEC_REP_CYCLE;
ir_tx_state=IR_TX_REP;
}else{
rep_expire_us=IR_NEC_REP_CYCLE;
ir_tx_state=IR_TX_IDLE;
}
break;
}
ir_bit_state=TX_BIT_CARRIER;
}else{
}
