kopia lustrzana https://github.com/cyoung/stratux
Debug output.
Christopher Young
rodzic
9c1e679d16
commit
0c614f6beb
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@ -4,6 +4,7 @@ import (
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"encoding/hex"
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"errors"
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"fmt"
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"io/ioutil"
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"strings"
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)
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@ -235,24 +236,24 @@ func (f *UATFrame) decodeAirmet() {
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record_format := (uint8(f.FISB_data[0]) & 0xF0) >> 4
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f.RecordFormat = record_format
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fmt.Printf("record_format=%d\n", record_format)
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fmt.Fprintf(ioutil.Discard, "record_format=%d\n", record_format)
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product_version := (uint8(f.FISB_data[0]) & 0x0F)
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fmt.Printf("product_version=%d\n", product_version)
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fmt.Fprintf(ioutil.Discard, "product_version=%d\n", product_version)
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record_count := (uint8(f.FISB_data[1]) & 0xF0) >> 4
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fmt.Printf("record_count=%d\n", record_count)
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fmt.Fprintf(ioutil.Discard, "record_count=%d\n", record_count)
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location_identifier := dlac_decode(f.FISB_data[2:], 3)
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fmt.Printf("%s\n", hex.Dump(f.FISB_data))
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fmt.Fprintf(ioutil.Discard, "%s\n", hex.Dump(f.FISB_data))
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f.LocationIdentifier = location_identifier
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fmt.Printf("location_identifier=%s\n", location_identifier)
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fmt.Fprintf(ioutil.Discard, "location_identifier=%s\n", location_identifier)
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record_reference := (uint8(f.FISB_data[5])) //FIXME: Special values. 0x00 means "use location_identifier". 0xFF means "use different reference". (4-3).
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fmt.Printf("record_reference=%d\n", record_reference)
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fmt.Fprintf(ioutil.Discard, "record_reference=%d\n", record_reference)
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// Not sure when this is even used.
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// rwy_designator := (record_reference & FC) >> 4
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// parallel_rwy_designator := record_reference & 0x03 // 0 = NA, 1 = R, 2 = L, 3 = C (Figure 4-2).
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//FIXME: Assume one record.
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if record_count != 1 {
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fmt.Printf("record_count=%d, != 1\n", record_count)
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fmt.Fprintf(ioutil.Discard, "record_count=%d, != 1\n", record_count)
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return
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}
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/*
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@ -269,73 +270,73 @@ func (f *UATFrame) decodeAirmet() {
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case 2:
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record_length := (uint16(f.FISB_data[6]) << 8) | uint16(f.FISB_data[7])
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if len(f.FISB_data)-int(record_length) < 6 {
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fmt.Printf("FISB record not long enough: record_length=%d, len(f.FISB_data)=%d\n", record_length, len(f.FISB_data))
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fmt.Fprintf(ioutil.Discard, "FISB record not long enough: record_length=%d, len(f.FISB_data)=%d\n", record_length, len(f.FISB_data))
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return
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}
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fmt.Printf("record_length=%d\n", record_length)
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fmt.Fprintf(ioutil.Discard, "record_length=%d\n", record_length)
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// Report identifier = report number + report year.
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report_number := (uint16(f.FISB_data[8]) << 6) | ((uint16(f.FISB_data[9]) & 0xFC) >> 2)
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f.ReportNumber = report_number
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fmt.Printf("report_number=%d\n", report_number)
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fmt.Fprintf(ioutil.Discard, "report_number=%d\n", report_number)
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report_year := ((uint16(f.FISB_data[9]) & 0x03) << 5) | ((uint16(f.FISB_data[10]) & 0xF8) >> 3)
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f.ReportYear = report_year
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fmt.Printf("report_year=%d\n", report_year)
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fmt.Fprintf(ioutil.Discard, "report_year=%d\n", report_year)
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report_status := (uint8(f.FISB_data[10]) & 0x04) >> 2 //TODO: 0 = cancelled, 1 = active.
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fmt.Printf("report_status=%d\n", report_status)
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fmt.Printf("record_length=%d,len=%d\n", record_length, len(f.FISB_data))
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fmt.Fprintf(ioutil.Discard, "report_status=%d\n", report_status)
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fmt.Fprintf(ioutil.Discard, "record_length=%d,len=%d\n", record_length, len(f.FISB_data))
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text_data_len := record_length - 5
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text_data := dlac_decode(f.FISB_data[11:], uint32(text_data_len))
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fmt.Printf("text_data=%s\n", text_data)
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fmt.Fprintf(ioutil.Discard, "text_data=%s\n", text_data)
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f.Text_data = formatDLACData(text_data)
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case 8:
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// (6-1). (6.22 - Graphical Overlay Record Format).
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record_data := f.FISB_data[6:] // Start after the record header.
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record_length := (uint16(record_data[0]) << 2) | ((uint16(record_data[1]) & 0xC0) >> 6)
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fmt.Printf("record_length=%d\n", record_length)
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fmt.Fprintf(ioutil.Discard, "record_length=%d\n", record_length)
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// Report identifier = report number + report year.
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report_number := ((uint16(record_data[1]) & 0x3F) << 8) | uint16(record_data[2])
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f.ReportNumber = report_number
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fmt.Printf("report_number=%d\n", report_number)
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fmt.Fprintf(ioutil.Discard, "report_number=%d\n", report_number)
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report_year := (uint16(record_data[3]) & 0xFE) >> 1
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f.ReportYear = report_year
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fmt.Printf("report_year=%d\n", report_year)
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fmt.Fprintf(ioutil.Discard, "report_year=%d\n", report_year)
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overlay_record_identifier := ((uint8(record_data[4]) & 0x1E) >> 1) + 1 // Document instructs to add 1.
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fmt.Printf("overlay_record_identifier=%d\n", overlay_record_identifier)
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fmt.Fprintf(ioutil.Discard, "overlay_record_identifier=%d\n", overlay_record_identifier)
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object_label_flag := uint8(record_data[4] & 0x01)
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fmt.Printf("object_label_flag=%d\n", object_label_flag)
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fmt.Fprintf(ioutil.Discard, "object_label_flag=%d\n", object_label_flag)
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if object_label_flag == 0 { // Numeric index.
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object_label := (uint8(record_data[5]) << 8) | uint8(record_data[6])
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record_data = record_data[7:]
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fmt.Printf("object_label=%d\n", object_label)
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fmt.Fprintf(ioutil.Discard, "object_label=%d\n", object_label)
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} else {
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object_label := dlac_decode(record_data[5:], 9)
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record_data = record_data[14:]
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fmt.Printf("object_label=%s\n", object_label)
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fmt.Fprintf(ioutil.Discard, "object_label=%s\n", object_label)
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}
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element_flag := (uint8(record_data[0]) & 0x80) >> 7
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fmt.Printf("element_flag=%d\n", element_flag)
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fmt.Fprintf(ioutil.Discard, "element_flag=%d\n", element_flag)
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qualifier_flag := (uint8(record_data[0]) & 0x40) >> 6
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fmt.Printf("qualifier_flag=%d\n", qualifier_flag)
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fmt.Fprintf(ioutil.Discard, "qualifier_flag=%d\n", qualifier_flag)
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param_flag := (uint8(record_data[0]) & 0x20) >> 5
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fmt.Printf("param_flag=%d\n", param_flag)
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fmt.Fprintf(ioutil.Discard, "param_flag=%d\n", param_flag)
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object_element := uint8(record_data[0]) & 0x1F
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fmt.Printf("object_element=%d\n", object_element)
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fmt.Fprintf(ioutil.Discard, "object_element=%d\n", object_element)
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object_type := (uint8(record_data[1]) & 0xF0) >> 4
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fmt.Printf("object_type=%d\n", object_type)
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fmt.Fprintf(ioutil.Discard, "object_type=%d\n", object_type)
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object_status := uint8(record_data[1]) & 0x0F
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fmt.Printf("object_status=%d\n", object_status)
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fmt.Fprintf(ioutil.Discard, "object_status=%d\n", object_status)
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//FIXME
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if qualifier_flag == 0 { //TODO: Check.
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record_data = record_data[2:]
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} else {
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object_qualifier := (uint32(record_data[2]) << 16) | (uint32(record_data[3]) << 8) | uint32(record_data[4])
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fmt.Printf("object_qualifier=%d\n", object_qualifier)
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fmt.Printf("%02x%02x%02x\n", record_data[2], record_data[3], record_data[4])
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fmt.Fprintf(ioutil.Discard, "object_qualifier=%d\n", object_qualifier)
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fmt.Fprintf(ioutil.Discard, "%02x%02x%02x\n", record_data[2], record_data[3], record_data[4])
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record_data = record_data[5:]
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}
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//FIXME
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@ -347,17 +348,17 @@ func (f *UATFrame) decodeAirmet() {
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//}
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record_applicability_options := (uint8(record_data[0]) & 0xC0) >> 6
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fmt.Printf("record_applicability_options=%d\n", record_applicability_options)
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fmt.Fprintf(ioutil.Discard, "record_applicability_options=%d\n", record_applicability_options)
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date_time_format := (uint8(record_data[0]) & 0x30) >> 4
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fmt.Printf("date_time_format=%d\n", date_time_format)
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fmt.Fprintf(ioutil.Discard, "date_time_format=%d\n", date_time_format)
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geometry_overlay_options := uint8(record_data[0]) & 0x0F
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fmt.Printf("geometry_overlay_options=%d\n", geometry_overlay_options)
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fmt.Fprintf(ioutil.Discard, "geometry_overlay_options=%d\n", geometry_overlay_options)
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overlay_operator := (uint8(record_data[1]) & 0xC0) >> 6
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fmt.Printf("overlay_operator=%d\n", overlay_operator)
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fmt.Fprintf(ioutil.Discard, "overlay_operator=%d\n", overlay_operator)
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overlay_vertices_count := (uint8(record_data[1]) & 0x3F) + 1 // Document instructs to add 1. (6.20).
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fmt.Printf("overlay_vertices_count=%d\n", overlay_vertices_count)
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fmt.Fprintf(ioutil.Discard, "overlay_vertices_count=%d\n", overlay_vertices_count)
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// Parse all of the dates.
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switch record_applicability_options {
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@ -379,18 +380,18 @@ func (f *UATFrame) decodeAirmet() {
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switch geometry_overlay_options {
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case 3: // Extended Range 3D Polygon (MSL).
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points := make([]GeoPoint, 0) // Slice containing all of the points.
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fmt.Printf("%d\n", len(record_data))
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fmt.Fprintf(ioutil.Discard, "%d\n", len(record_data))
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for i := 0; i < int(overlay_vertices_count); i++ {
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lng_raw := (int32(record_data[6*i]) << 11) | (int32(record_data[6*i+1]) << 3) | (int32(record_data[6*i+2]) & 0xE0 >> 5)
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lat_raw := ((int32(record_data[6*i+2]) & 0x1F) << 14) | (int32(record_data[6*i+3]) << 6) | ((int32(record_data[6*i+4]) & 0xFC) >> 2)
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alt_raw := ((int32(record_data[6*i+4]) & 0x03) << 8) | int32(record_data[6*i+5])
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fmt.Printf("lat_raw=%d, lng_raw=%d, alt_raw=%d\n", lat_raw, lng_raw, alt_raw)
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fmt.Fprintf(ioutil.Discard, "lat_raw=%d, lng_raw=%d, alt_raw=%d\n", lat_raw, lng_raw, alt_raw)
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lat, lng := airmetLatLng(lat_raw, lng_raw, false)
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alt := alt_raw * 100
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fmt.Printf("lat=%f,lng=%f,alt=%d\n", lat, lng, alt)
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fmt.Printf("coord:%f,%f\n", lat, lng)
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fmt.Fprintf(ioutil.Discard, "lat=%f,lng=%f,alt=%d\n", lat, lng, alt)
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fmt.Fprintf(ioutil.Discard, "coord:%f,%f\n", lat, lng)
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var point GeoPoint
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point.Lat = lat
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point.Lon = lng
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@ -403,12 +404,12 @@ func (f *UATFrame) decodeAirmet() {
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lat_raw := ((int32(record_data[2]) & 0x1F) << 14) | (int32(record_data[3]) << 6) | ((int32(record_data[4]) & 0xFC) >> 2)
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alt_raw := ((int32(record_data[4]) & 0x03) << 8) | int32(record_data[5])
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fmt.Printf("lat_raw=%d, lng_raw=%d, alt_raw=%d\n", lat_raw, lng_raw, alt_raw)
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fmt.Fprintf(ioutil.Discard, "lat_raw=%d, lng_raw=%d, alt_raw=%d\n", lat_raw, lng_raw, alt_raw)
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lat, lng := airmetLatLng(lat_raw, lng_raw, false)
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alt := alt_raw * 100
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fmt.Printf("lat=%f,lng=%f,alt=%d\n", lat, lng, alt)
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fmt.Printf("coord:%f,%f\n", lat, lng)
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fmt.Fprintf(ioutil.Discard, "lat=%f,lng=%f,alt=%d\n", lat, lng, alt)
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fmt.Fprintf(ioutil.Discard, "coord:%f,%f\n", lat, lng)
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var point GeoPoint
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point.Lat = lat
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point.Lon = lng
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@ -436,26 +437,26 @@ func (f *UATFrame) decodeAirmet() {
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r_lng := float64(r_lng_raw) * float64(0.2)
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r_lat := float64(r_lat_raw) * float64(0.2)
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fmt.Printf("lat_bot, lng_bot = %f, %f\n", lat_bot, lng_bot)
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fmt.Printf("lat_top, lng_top = %f, %f\n", lat_top, lng_top)
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fmt.Fprintf(ioutil.Discard, "lat_bot, lng_bot = %f, %f\n", lat_bot, lng_bot)
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fmt.Fprintf(ioutil.Discard, "lat_top, lng_top = %f, %f\n", lat_top, lng_top)
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if geometry_overlay_options == 8 {
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fmt.Printf("alt_bot, alt_top = %d AGL, %d AGL\n", alt_bot, alt_top)
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fmt.Fprintf(ioutil.Discard, "alt_bot, alt_top = %d AGL, %d AGL\n", alt_bot, alt_top)
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} else {
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fmt.Printf("alt_bot, alt_top = %d MSL, %d MSL\n", alt_bot, alt_top)
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fmt.Fprintf(ioutil.Discard, "alt_bot, alt_top = %d MSL, %d MSL\n", alt_bot, alt_top)
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}
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fmt.Printf("r_lng, r_lat = %f, %f\n", r_lng, r_lat)
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fmt.Fprintf(ioutil.Discard, "r_lng, r_lat = %f, %f\n", r_lng, r_lat)
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fmt.Printf("alpha=%d\n", alpha)
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fmt.Fprintf(ioutil.Discard, "alpha=%d\n", alpha)
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default:
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fmt.Printf("unknown geometry: %d\n", geometry_overlay_options)
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fmt.Fprintf(ioutil.Discard, "unknown geometry: %d\n", geometry_overlay_options)
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}
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//case 1: // Unformatted ASCII Text.
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default:
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fmt.Printf("unknown record format: %d\n", record_format)
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fmt.Fprintf(ioutil.Discard, "unknown record format: %d\n", record_format)
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}
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fmt.Printf("\n\n\n")
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fmt.Fprintf(ioutil.Discard, "\n\n\n")
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}
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func (f *UATFrame) decodeInfoFrame() {
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@ -474,7 +475,7 @@ func (f *UATFrame) decodeInfoFrame() {
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case 8, 11, 13:
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f.decodeAirmet()
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default:
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fmt.Printf("don't know what to do with product id: %d\n", f.Product_id)
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fmt.Fprintf(ioutil.Discard, "don't know what to do with product id: %d\n", f.Product_id)
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}
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// logger.Printf("pos=%d,len=%d,t_opt=%d,product_id=%d, time=%d:%d\n", frame_start, frame_len, t_opt, product_id, fisb_hours, fisb_minutes)
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