add alarm command
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2b7178284e
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8708cfd570
@ -43,7 +43,7 @@
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static uint8_t rx_buffer[7] = {0}; /**< buffer for received response */
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static volatile uint8_t rx_i = 0; /**< current position of read received data */
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static uint8_t tx_buffer[7] = {0}; /**< buffer for request to transmit */
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static volatile uint8_t tx_i = 0; /**< current position if transmitted data */
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static volatile uint8_t tx_i = 0; /**< current position of transmitted data */
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volatile bool sensor_pzem_measurement_received = false;
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@ -133,6 +133,9 @@ struct sensor_pzem_measurement_t sensor_pzem_measurement_decode(void)
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case SENSOR_PZEM_ENERGY:
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measurement.value.power = ((uint32_t)rx_buffer[1]<<16)+((uint16_t)rx_buffer[2]<<8)+rx_buffer[3];
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break;
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case SENSOR_PZEM_ADDRESS:
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case SENSOR_PZEM_ALARM:
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break; // no value is returned
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default:
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measurement.valid = false; // unexpected type
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}
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@ -23,12 +23,14 @@
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/** a measurement response has been received */
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extern volatile bool sensor_pzem_measurement_received;
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/** measurements offered by electricity meter */
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/** measurements (and configurations) offered by electricity meter */
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enum sensor_pzem_measurement_type_t {
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SENSOR_PZEM_VOLTAGE = 0,
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SENSOR_PZEM_CURRENT = 1,
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SENSOR_PZEM_POWER = 2,
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SENSOR_PZEM_ENERGY = 3,
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SENSOR_PZEM_ADDRESS = 4,
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SENSOR_PZEM_ALARM = 5,
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SENSOR_PZEM_MAX
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};
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