mbowszys/PWr_AiR_s5_SR_P_pixmod
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260128_xmit_sendTest

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Maciej Bowszys 2026-01-29 00:43:30 +01:00
parent afb9dfbf35
commit f1d2153219
2 changed files with 28 additions and 8 deletions
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2
recv/pixmod_recv_1v0/main.c
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@ -157,7 +157,7 @@ int uart_putchar(char c, FILE *stream) {
uint16_t tim1_ic_val = 0; uint16_t tim1_ic_val = 0;
char tim1_ic_flag = 0; char tim1_ic_flag = 0;
uint16_t read_chained_timer(void) { uint16_t read_chained_timer(void){
uint8_t sreg = SREG; uint8_t sreg = SREG;
cli(); cli();

32
xmit/main.py
View File

@ -1,22 +1,42 @@
from machine import Pin, PWM from machine import Pin, PWM
import time import time
ir_led = PWM(Pin("GP18")) ir_led = PWM(Pin("GP18"))
ir_led.freq(38000) ir_led.freq(38000)
ir_led.duty_u16(0) ir_led.duty_u16(0)
def emit_pulse(duration_us): def emit_pulse(duration_us):
ir_led.duty_u16(32768) # 50% duty cycle
time.sleep_us(duration_us)
ir_led.duty_u16(0) # 0% duty cycle ir_led.duty_u16(0) # 0% duty cycle
time.sleep_us(duration_us)
ir_led.duty_u16(32768) # 50% duty cycle
def xmit_bin(msg_data_bin, msg_len):
ir_led.duty_u16(32768) # 50% duty cycle
time.sleep_us(4000)
for i in range(msg_len):
if(msg_data_bin & (1<<(msg_len-1))):
emit_pulse(1000)
else:
emit_pulse(2080)
msg_data_bin <<= 1
time.sleep_us(500)
time.sleep_us(2000)
ir_led.duty_u16(0) # 50% duty cycle
try: try:
while True: while True:
emit_pulse(200) #xmit_bin(0b010101, 6)
time.sleep_ms(10) xmit_bin(7774, 16)
time.sleep_ms(100)
emit_pulse(800) xmit_bin(15964, 16)
time.sleep_ms(10) time.sleep_ms(100)
except KeyboardInterrupt: except KeyboardInterrupt:
ir_led.deinit() ir_led.deinit()