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f137cc10f4
Co-authored-by: Aaron Hertz <aaron@rockforest.org> Co-authored-by: Otto Winter <otto@otto-winter.com>
83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
#include "magiquest_protocol.h"
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#include "esphome/core/log.h"
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/* Based on protocol analysis from
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* https://arduino-irremote.github.io/Arduino-IRremote/ir__MagiQuest_8cpp_source.html
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*/
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namespace esphome {
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namespace remote_base {
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static const char *const TAG = "remote.magiquest";
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static const uint32_t MAGIQUEST_UNIT = 288; // us
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static const uint32_t MAGIQUEST_ONE_MARK = 2 * MAGIQUEST_UNIT;
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static const uint32_t MAGIQUEST_ONE_SPACE = 2 * MAGIQUEST_UNIT;
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static const uint32_t MAGIQUEST_ZERO_MARK = MAGIQUEST_UNIT;
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static const uint32_t MAGIQUEST_ZERO_SPACE = 3 * MAGIQUEST_UNIT;
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void MagiQuestProtocol::encode(RemoteTransmitData *dst, const MagiQuestData &data) {
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dst->reserve(101); // 2 start bits, 48 data bits, 1 stop bit
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dst->set_carrier_frequency(38000);
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// 2 start bits
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dst->item(MAGIQUEST_ZERO_MARK, MAGIQUEST_ZERO_SPACE);
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dst->item(MAGIQUEST_ZERO_MARK, MAGIQUEST_ZERO_SPACE);
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for (uint32_t mask = 1 << 31; mask; mask >>= 1) {
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if (data.wand_id & mask) {
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dst->item(MAGIQUEST_ONE_MARK, MAGIQUEST_ONE_SPACE);
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} else {
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dst->item(MAGIQUEST_ZERO_MARK, MAGIQUEST_ZERO_SPACE);
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}
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}
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for (uint16_t mask = 1 << 15; mask; mask >>= 1) {
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if (data.magnitude & mask) {
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dst->item(MAGIQUEST_ONE_MARK, MAGIQUEST_ONE_SPACE);
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} else {
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dst->item(MAGIQUEST_ZERO_MARK, MAGIQUEST_ZERO_SPACE);
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}
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}
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dst->mark(MAGIQUEST_UNIT);
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}
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optional<MagiQuestData> MagiQuestProtocol::decode(RemoteReceiveData src) {
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MagiQuestData data{
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.magnitude = 0,
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.wand_id = 0,
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};
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// Two start bits
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if (!src.expect_item(MAGIQUEST_ZERO_MARK, MAGIQUEST_ZERO_SPACE) ||
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!src.expect_item(MAGIQUEST_ZERO_MARK, MAGIQUEST_ZERO_SPACE)) {
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return {};
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}
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for (uint32_t mask = 1 << 31; mask; mask >>= 1) {
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if (src.expect_item(MAGIQUEST_ONE_MARK, MAGIQUEST_ONE_SPACE)) {
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data.wand_id |= mask;
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} else if (src.expect_item(MAGIQUEST_ZERO_MARK, MAGIQUEST_ZERO_SPACE)) {
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data.wand_id &= ~mask;
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} else {
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return {};
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}
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}
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for (uint16_t mask = 1 << 15; mask; mask >>= 1) {
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if (src.expect_item(MAGIQUEST_ONE_MARK, MAGIQUEST_ONE_SPACE)) {
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data.magnitude |= mask;
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} else if (src.expect_item(MAGIQUEST_ZERO_MARK, MAGIQUEST_ZERO_SPACE)) {
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data.magnitude &= ~mask;
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} else {
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return {};
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}
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}
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src.expect_mark(MAGIQUEST_UNIT);
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return data;
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}
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void MagiQuestProtocol::dump(const MagiQuestData &data) {
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ESP_LOGD(TAG, "Received MagiQuest: wand_id=0x%08X, magnitude=0x%04X", data.wand_id, data.magnitude);
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}
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} // namespace remote_base
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} // namespace esphome
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