ESPHome 2025.5.0
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pioneer_protocol.cpp
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1#include "pioneer_protocol.h"
2#include "esphome/core/log.h"
3
4namespace esphome {
5namespace remote_base {
6
7static const char *const TAG = "remote.pioneer";
8
9static const uint32_t HEADER_HIGH_US = 9000;
10static const uint32_t HEADER_LOW_US = 4500;
11static const uint32_t BIT_HIGH_US = 560;
12static const uint32_t BIT_ONE_LOW_US = 1690;
13static const uint32_t BIT_ZERO_LOW_US = 560;
14static const uint32_t TRAILER_SPACE_US = 25500;
15
17 uint32_t address1 = ((data.rc_code_1 & 0xff00) | (~(data.rc_code_1 >> 8) & 0xff));
18 uint32_t address2 = ((data.rc_code_2 & 0xff00) | (~(data.rc_code_2 >> 8) & 0xff));
19 uint32_t command1 = 0;
20 uint32_t command2 = 0;
21
22 for (uint32_t bit = 0; bit < 4; bit++) {
23 if ((data.rc_code_1 >> bit) & 1)
24 command1 |= (1UL << (7 - bit));
25 }
26
27 for (uint32_t bit = 0; bit < 4; bit++) {
28 if ((data.rc_code_1 >> (bit + 4)) & 1)
29 command1 |= (1UL << (3 - bit));
30 }
31
32 for (uint32_t bit = 0; bit < 4; bit++) {
33 if ((data.rc_code_2 >> bit) & 1)
34 command2 |= (1UL << (7 - bit));
35 }
36
37 for (uint32_t bit = 0; bit < 4; bit++) {
38 if ((data.rc_code_2 >> (bit + 4)) & 1)
39 command2 |= (1UL << (3 - bit));
40 }
41
42 command1 = (command1 << 8) | ((~command1) & 0xff);
43 command2 = (command2 << 8) | ((~command2) & 0xff);
44
45 if (data.rc_code_2 == 0) {
46 dst->reserve(68);
47 } else {
48 dst->reserve((68 * 2) + 1);
49 }
50
51 dst->set_carrier_frequency(40000);
52
53 dst->item(HEADER_HIGH_US, HEADER_LOW_US);
54 for (uint32_t mask = 1UL << 15; mask; mask >>= 1) {
55 if (address1 & mask) {
56 dst->item(BIT_HIGH_US, BIT_ONE_LOW_US);
57 } else {
58 dst->item(BIT_HIGH_US, BIT_ZERO_LOW_US);
59 }
60 }
61
62 for (uint32_t mask = 1UL << 15; mask; mask >>= 1) {
63 if (command1 & mask) {
64 dst->item(BIT_HIGH_US, BIT_ONE_LOW_US);
65 } else {
66 dst->item(BIT_HIGH_US, BIT_ZERO_LOW_US);
67 }
68 }
69
70 dst->mark(BIT_HIGH_US);
71
72 if (data.rc_code_2 != 0) {
73 dst->space(TRAILER_SPACE_US);
74 dst->item(HEADER_HIGH_US, HEADER_LOW_US);
75 for (uint32_t mask = 1UL << 15; mask; mask >>= 1) {
76 if (address2 & mask) {
77 dst->item(BIT_HIGH_US, BIT_ONE_LOW_US);
78 } else {
79 dst->item(BIT_HIGH_US, BIT_ZERO_LOW_US);
80 }
81 }
82
83 for (uint32_t mask = 1UL << 15; mask; mask >>= 1) {
84 if (command2 & mask) {
85 dst->item(BIT_HIGH_US, BIT_ONE_LOW_US);
86 } else {
87 dst->item(BIT_HIGH_US, BIT_ZERO_LOW_US);
88 }
89 }
90
91 dst->mark(BIT_HIGH_US);
92 }
93}
95 uint16_t address1 = 0;
96 uint16_t command1 = 0;
97
98 PioneerData data{
99 .rc_code_1 = 0,
100 .rc_code_2 = 0,
101 };
102 if (!src.expect_item(HEADER_HIGH_US, HEADER_LOW_US))
103 return {};
104
105 for (uint32_t mask = 1UL << 15; mask != 0; mask >>= 1) {
106 if (src.expect_item(BIT_HIGH_US, BIT_ONE_LOW_US)) {
107 address1 |= mask;
108 } else if (src.expect_item(BIT_HIGH_US, BIT_ZERO_LOW_US)) {
109 address1 &= ~mask;
110 } else {
111 return {};
112 }
113 }
114
115 for (uint32_t mask = 1UL << 15; mask != 0; mask >>= 1) {
116 if (src.expect_item(BIT_HIGH_US, BIT_ONE_LOW_US)) {
117 command1 |= mask;
118 } else if (src.expect_item(BIT_HIGH_US, BIT_ZERO_LOW_US)) {
119 command1 &= ~mask;
120 } else {
121 return {};
122 }
123 }
124
125 if (!src.expect_mark(BIT_HIGH_US))
126 return {};
127
128 if ((address1 >> 8) != ((~address1) & 0xff))
129 return {};
130
131 if ((command1 >> 8) != ((~command1) & 0xff))
132 return {};
133
134 for (uint32_t bit = 0; bit < 4; bit++) {
135 if ((~command1 >> bit) & 1)
136 data.rc_code_1 |= (1UL << (7 - bit));
137 }
138
139 for (uint32_t bit = 0; bit < 4; bit++) {
140 if ((~command1 >> (bit + 4)) & 1)
141 data.rc_code_1 |= (1UL << (3 - bit));
142 }
143 data.rc_code_1 |= address1 & 0xff00;
144
145 return data;
146}
148 if (data.rc_code_2 == 0) {
149 ESP_LOGI(TAG, "Received Pioneer: rc_code_X=0x%04X", data.rc_code_1);
150 } else {
151 ESP_LOGI(TAG, "Received Pioneer: rc_code_1=0x%04X, rc_code_2=0x%04X", data.rc_code_1, data.rc_code_2);
152 }
153}
154
155} // namespace remote_base
156} // namespace esphome
void dump(const PioneerData &data) override
void encode(RemoteTransmitData *dst, const PioneerData &data) override
optional< PioneerData > decode(RemoteReceiveData src) override
bool expect_item(uint32_t mark, uint32_t space)
void set_carrier_frequency(uint32_t carrier_frequency)
Definition remote_base.h:34
void item(uint32_t mark, uint32_t space)
Definition remote_base.h:29
Providing packet encoding functions for exchanging data with a remote host.
Definition a01nyub.cpp:7