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@@ -32,30 +32,6 @@ options:
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state: enabled
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blocks:
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-- name: input_voltage_max
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- id: variable
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- parameters:
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- comment: ''
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- value: reference_voltage * resistor_in_ohm / resistor_ground_ohm + reference_voltage
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- states:
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- bus_sink: false
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- bus_source: false
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- bus_structure: null
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- coordinate: [1491, 193]
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- rotation: 0
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- state: true
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-- name: input_voltage_min
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- id: variable
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- parameters:
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- comment: ''
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- value: -1 * reference_voltage * resistor_in_ohm / resistor_ref_ohm
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- states:
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- bus_sink: false
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- bus_source: false
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- bus_structure: null
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- coordinate: [1494, 94]
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- rotation: 0
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- state: true
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- name: reference_voltage
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id: variable
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parameters:
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@@ -68,42 +44,6 @@ blocks:
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coordinate: [457, 222]
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rotation: 0
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state: true
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-- name: resistor_ground_ohm
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- id: variable
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- parameters:
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- comment: ''
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- value: 10e3
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- states:
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- bus_sink: false
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- bus_source: false
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- bus_structure: null
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- coordinate: [892, 124]
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- rotation: 0
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- state: true
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-- name: resistor_in_ohm
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- id: variable
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- parameters:
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- comment: ''
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- value: 100e3
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- states:
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- bus_sink: false
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- bus_source: false
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- bus_structure: null
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- coordinate: [926, 26]
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- rotation: 0
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- state: true
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-- name: resistor_ref_ohm
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- id: variable
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- parameters:
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- comment: ''
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- value: 10e3
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- states:
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- bus_sink: false
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- bus_source: false
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- bus_structure: null
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- coordinate: [925, 222]
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- rotation: 0
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- state: true
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- name: sample_rate_hz
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id: variable
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parameters:
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@@ -116,24 +56,6 @@ blocks:
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coordinate: [58, 173]
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rotation: 0
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state: enabled
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-- name: blocks_add_const_vxx_0
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- id: blocks_add_const_vxx
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- parameters:
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- affinity: ''
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- alias: ''
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- comment: '- V_ref * R_in / R_ref'
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- const: input_voltage_min
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- maxoutbuf: '0'
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- minoutbuf: '0'
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- type: float
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- vlen: '1'
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- states:
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- bus_sink: false
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- bus_source: false
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- bus_structure: null
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- coordinate: [1116, 324]
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- rotation: 0
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- state: enabled
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- name: blocks_message_debug_0
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id: blocks_message_debug
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parameters:
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@@ -147,24 +69,6 @@ blocks:
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coordinate: [991, 817]
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rotation: 0
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state: true
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-- name: blocks_multiply_const_vxx_0
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- id: blocks_multiply_const_vxx
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- parameters:
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- affinity: ''
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- alias: ''
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- comment: (1 + R_in / R_gnd + R_in / R_ref)
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- const: '1 + resistor_in_ohm / resistor_ground_ohm + resistor_in_ohm / resistor_ref_ohm '
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- maxoutbuf: '0'
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- minoutbuf: '0'
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- type: float
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- vlen: '1'
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- states:
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- bus_sink: false
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- bus_source: false
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- bus_structure: null
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- coordinate: [816, 324]
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- rotation: 0
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- state: enabled
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- name: blocks_probe_rate_0
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id: blocks_probe_rate
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parameters:
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@@ -278,7 +182,7 @@ blocks:
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bus_sink: false
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bus_source: false
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bus_structure: null
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- coordinate: [897, 459]
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+ coordinate: [898, 435]
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rotation: 0
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state: enabled
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- name: qtgui_number_sink_0
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@@ -321,8 +225,8 @@ blocks:
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label7: ''
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label8: ''
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label9: ''
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- max: input_voltage_max
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- min: input_voltage_min
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+ max: reference_voltage
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+ min: '0'
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name: '""'
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nconnections: '1'
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type: float
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@@ -341,7 +245,7 @@ blocks:
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bus_sink: false
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bus_source: false
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bus_structure: null
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- coordinate: [1490, 428]
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+ coordinate: [922, 150]
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rotation: 0
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state: enabled
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- name: qtgui_number_sink_0_0
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@@ -404,7 +308,7 @@ blocks:
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bus_sink: false
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bus_source: false
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bus_structure: null
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- coordinate: [452, 499]
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+ coordinate: [452, 503]
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rotation: 0
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state: disabled
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- name: qtgui_time_sink_x_0
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@@ -494,103 +398,6 @@ blocks:
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width8: '1'
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width9: '1'
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ylabel: Voltage
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- ymax: input_voltage_max
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- ymin: input_voltage_min
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- yunit: '"V"'
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- states:
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- bus_sink: false
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- bus_source: false
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- bus_structure: null
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- coordinate: [1462, 292]
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- rotation: 0
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- state: enabled
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-- name: qtgui_time_sink_x_0_0
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- id: qtgui_time_sink_x
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- parameters:
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- affinity: ''
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- alias: ''
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- alpha1: '1.0'
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- alpha10: '1.0'
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- alpha2: '1.0'
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- alpha3: '1.0'
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- alpha4: '1.0'
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- alpha5: '1.0'
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- alpha6: '1.0'
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- alpha7: '1.0'
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- alpha8: '1.0'
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- alpha9: '1.0'
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- autoscale: 'False'
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- axislabels: 'True'
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- color1: blue
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- color10: dark blue
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- color2: red
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- color3: green
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- color4: black
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- color5: cyan
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- color6: magenta
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- color7: yellow
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- color8: dark red
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- color9: dark green
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- comment: ''
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- ctrlpanel: 'False'
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- entags: 'True'
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- grid: 'False'
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- gui_hint: ''
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- label1: Signal 1
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- label10: Signal 10
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- label2: Signal 2
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- label3: Signal 3
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- label4: Signal 4
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- label5: Signal 5
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- label6: Signal 6
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- label7: Signal 7
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- label8: Signal 8
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- label9: Signal 9
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- legend: 'False'
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- marker1: '-1'
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- marker10: '-1'
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- marker2: '-1'
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- marker3: '-1'
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- marker4: '-1'
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- marker5: '-1'
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- marker6: '-1'
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- marker7: '-1'
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- marker8: '-1'
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- marker9: '-1'
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- name: '""'
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- nconnections: '1'
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- size: int(sample_rate_hz*2)
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- srate: sample_rate_hz
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- stemplot: 'False'
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- style1: '1'
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- style10: '1'
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- style2: '1'
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- style3: '1'
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- style4: '1'
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- style5: '1'
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- style6: '1'
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- style7: '1'
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- style8: '1'
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- style9: '1'
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- tr_chan: '0'
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- tr_delay: '0'
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- tr_level: '0.0'
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- tr_mode: qtgui.TRIG_MODE_FREE
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- tr_slope: qtgui.TRIG_SLOPE_POS
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- tr_tag: '""'
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- type: float
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- update_time: '0.10'
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- width1: '2'
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- width10: '1'
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- width2: '1'
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- width3: '1'
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- width4: '1'
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- width5: '1'
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- width6: '1'
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- width7: '1'
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- width8: '1'
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- width9: '1'
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- ylabel: Arduino Input Voltage
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ymax: reference_voltage
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ymin: '0'
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yunit: '"V"'
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@@ -598,23 +405,23 @@ blocks:
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bus_sink: false
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bus_source: false
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bus_structure: null
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- coordinate: [881, 627]
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+ coordinate: [897, 292]
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rotation: 0
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- state: disabled
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+ state: enabled
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- name: serial_source_block
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id: epy_block
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parameters:
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_source_code: "import gnuradio\nimport numpy\nimport serial\n\n\nclass SerialSourceBlock(gnuradio.gr.sync_block):\n\
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\ def __init__(\n self, port=\"/dev/ttyUSB0\", baud_rate=115200, buffer_max_length=10,\
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\ timeout=2\n ):\n gnuradio.gr.sync_block.__init__(\n self,\
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- \ name=\"Serial Source Block\", in_sig=None, out_sig=[numpy.int16]\n \
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- \ )\n self._serial_port = serial.Serial(\n port=port,\
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- \ baudrate=baud_rate, bytesize=serial.EIGHTBITS, timeout=timeout\n )\n\
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- \ self._buffer_max_length = buffer_max_length\n\n def work(self, input_items,\
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- \ output_items):\n # pylint: disable=unused-argument\n buffer\
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- \ = self._serial_port.read(\n 2 * min(len(output_items[0]), self._buffer_max_length)\n\
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- \ )\n assert len(buffer) % 2 == 0\n buffer_samples_count\
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- \ = len(buffer) // 2\n output_items[0][:buffer_samples_count] = numpy.frombuffer(buffer,\
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+ \ name=\"Serial Source Block\", in_sig=None, out_sig=[numpy.int16]\n \
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+ \ )\n self._serial_port = serial.Serial(\n port=port, baudrate=baud_rate,\
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+ \ bytesize=serial.EIGHTBITS, timeout=timeout\n )\n self._buffer_max_length\
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+ \ = buffer_max_length\n\n def work(self, input_items, output_items):\n \
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+ \ # pylint: disable=unused-argument\n buffer = self._serial_port.read(\n\
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+ \ 2 * min(len(output_items[0]), self._buffer_max_length)\n \
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+ \ )\n assert len(buffer) % 2 == 0\n buffer_samples_count = len(buffer)\
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+ \ // 2\n output_items[0][:buffer_samples_count] = numpy.frombuffer(buffer,\
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\ dtype=\">u2\")\n assert output_items[0][:buffer_samples_count].max()\
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\ < 1024, \"lost sync?\"\n return buffer_samples_count\n"
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affinity: ''
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@@ -638,13 +445,10 @@ blocks:
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state: true
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connections:
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-- [blocks_add_const_vxx_0, '0', qtgui_number_sink_0, '0']
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-- [blocks_add_const_vxx_0, '0', qtgui_time_sink_x_0, '0']
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-- [blocks_multiply_const_vxx_0, '0', blocks_add_const_vxx_0, '0']
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- [blocks_probe_rate_0, rate, blocks_message_debug_0, print]
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-- [blocks_short_to_float_0, '0', blocks_multiply_const_vxx_0, '0']
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- [blocks_short_to_float_0, '0', qtgui_freq_sink_x_0, '0']
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-- [blocks_short_to_float_0, '0', qtgui_time_sink_x_0_0, '0']
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+- [blocks_short_to_float_0, '0', qtgui_number_sink_0, '0']
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+- [blocks_short_to_float_0, '0', qtgui_time_sink_x_0, '0']
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- [serial_source_block, '0', blocks_probe_rate_0, '0']
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- [serial_source_block, '0', blocks_short_to_float_0, '0']
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- [serial_source_block, '0', qtgui_number_sink_0_0, '0']
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