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Oregon2 extra (#1924)

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* Add support for temp-humid sensor 0x1D20
* Fix protocol type and flags, humidity decoding

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Max Lapan 2022-10-26 15:37:58 +02:00 committed by GitHub
parent 7d2d2b3dd9
commit 406d830fb6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 27 additions and 15 deletions
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42
applications/plugins/weather_station/protocols/oregon2.c
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@ -19,7 +19,7 @@ static const SubGhzBlockConst ws_oregon2_const = {
}; };
#define OREGON2_PREAMBLE_BITS 19 #define OREGON2_PREAMBLE_BITS 19
#define OREGON2_PREAMBLE_MASK ((1 << (OREGON2_PREAMBLE_BITS + 1)) - 1) #define OREGON2_PREAMBLE_MASK 0b1111111111111111111
#define OREGON2_SENSOR_ID(d) (((d) >> 16) & 0xFFFF) #define OREGON2_SENSOR_ID(d) (((d) >> 16) & 0xFFFF)
#define OREGON2_CHECKSUM_BITS 8 #define OREGON2_CHECKSUM_BITS 8
@ -103,6 +103,7 @@ static ManchesterEvent level_and_duration_to_event(bool level, uint32_t duration
// From sensor id code return amount of bits in variable section // From sensor id code return amount of bits in variable section
static uint8_t oregon2_sensor_id_var_bits(uint16_t sensor_id) { static uint8_t oregon2_sensor_id_var_bits(uint16_t sensor_id) {
if(sensor_id == 0xEC40) return 16; if(sensor_id == 0xEC40) return 16;
if(sensor_id == 0x1D20) return 24;
return 0; return 0;
} }
@ -119,18 +120,30 @@ static void ws_oregon2_decode_const_data(WSBlockGeneric* ws_block) {
ws_block->battery_low = (ws_block->data & OREGON2_FLAG_BAT_LOW) ? 1 : 0; ws_block->battery_low = (ws_block->data & OREGON2_FLAG_BAT_LOW) ? 1 : 0;
} }
static void uint16_t bcd_decode_short(uint32_t data) {
ws_oregon2_decode_var_data(WSBlockGeneric* ws_block, uint16_t sensor_id, uint32_t var_data) { return (data & 0xF) * 10 + ((data >> 4) & 0xF);
int16_t temp_val; }
if(sensor_id == 0xEC40) {
temp_val = ((var_data >> 4) & 0xF) * 10 + ((var_data >> 8) & 0xF);
temp_val *= 10;
temp_val += (var_data >> 12) & 0xF;
if(var_data & 0xF) temp_val = -temp_val;
} else
return;
ws_block->temp = (float)temp_val / 10.0; static float ws_oregon2_decode_temp(uint32_t data) {
int32_t temp_val;
temp_val = bcd_decode_short(data >> 4);
temp_val *= 10;
temp_val += (data >> 12) & 0xF;
if(data & 0xF) temp_val = -temp_val;
return (float)temp_val / 10.0;
}
static void ws_oregon2_decode_var_data(WSBlockGeneric* ws_b, uint16_t sensor_id, uint32_t data) {
switch(sensor_id) {
case 0xEC40:
ws_b->temp = ws_oregon2_decode_temp(data);
ws_b->humidity = WS_NO_HUMIDITY;
break;
case 0x1D20:
ws_b->humidity = bcd_decode_short(data);
ws_b->temp = ws_oregon2_decode_temp(data >> 8);
break;
}
} }
void ws_protocol_decoder_oregon2_feed(void* context, bool level, uint32_t duration) { void ws_protocol_decoder_oregon2_feed(void* context, bool level, uint32_t duration) {
@ -346,9 +359,8 @@ const SubGhzProtocolDecoder ws_protocol_oregon2_decoder = {
const SubGhzProtocol ws_protocol_oregon2 = { const SubGhzProtocol ws_protocol_oregon2 = {
.name = WS_PROTOCOL_OREGON2_NAME, .name = WS_PROTOCOL_OREGON2_NAME,
.type = SubGhzProtocolTypeStatic, .type = SubGhzProtocolWeatherStation,
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable | .flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save,
.decoder = &ws_protocol_oregon2_decoder, .decoder = &ws_protocol_oregon2_decoder,
}; };