esphome/esphome/components/remote_base/magiquest_protocol.cpp
ImSorryButWho f137cc10f4
Remote magiquest protocol (#2963)
Co-authored-by: Aaron Hertz <aaron@rockforest.org>
Co-authored-by: Otto Winter <otto@otto-winter.com>
2022-02-18 22:22:41 +01:00

83 lines
2.5 KiB
C++

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