45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
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#include <stdint.h>
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#include "../irda_i.h"
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static const IrdaEncoderTimings encoder_timings = {
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.bit1_mark = IRDA_NEC_BIT1_MARK,
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.bit1_space = IRDA_NEC_BIT1_SPACE,
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.bit0_mark =IRDA_NEC_BIT0_MARK,
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.bit0_space = IRDA_NEC_BIT0_SPACE,
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.duty_cycle = IRDA_NEC_DUTY_CYCLE,
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.carrier_frequency = IRDA_NEC_CARRIER_FREQUENCY,
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};
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static void irda_encode_nec_preamble(void) {
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irda_encode_mark(&encoder_timings, IRDA_NEC_PREAMBULE_MARK);
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irda_encode_space(&encoder_timings, IRDA_NEC_PREAMBULE_SPACE);
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}
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static void irda_encode_nec_repeat(void) {
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irda_encode_space(&encoder_timings, IRDA_NEC_REPEAT_PAUSE);
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irda_encode_mark(&encoder_timings, IRDA_NEC_REPEAT_MARK);
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irda_encode_space(&encoder_timings, IRDA_NEC_REPEAT_SPACE);
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irda_encode_bit(&encoder_timings, 1);
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}
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void irda_encoder_nec_encode(uint32_t addr, uint32_t cmd, bool repeat) {
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uint8_t address = addr & 0xFF;
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uint8_t command = cmd & 0xFF;
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uint8_t address_inverse = (uint8_t) ~address;
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uint8_t command_inverse = (uint8_t) ~command;
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if (!repeat) {
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irda_encode_nec_preamble();
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irda_encode_byte(&encoder_timings, address);
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irda_encode_byte(&encoder_timings, address_inverse);
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irda_encode_byte(&encoder_timings, command);
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irda_encode_byte(&encoder_timings, command_inverse);
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irda_encode_bit(&encoder_timings, 1);
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} else {
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irda_encode_nec_repeat();
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}
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}
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