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Fixes numeric precision issues in ground unit software. #27

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Fixes numeric precision issues in ground unit software. #27

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10 changes: 5 additions & 5 deletions Software/LokoGround Firmware/main_1.1.py
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Original file line number Diff line number Diff line change
Expand Up @@ -389,7 +389,7 @@ def battery_level():

def lora_set(freq_hz):
# Convert Hz to MHz for LoRa module
freq_mhz = freq_hz // 1000000
freq_mhz = freq_hz / 1000000

LORA_UART.write("AT+MODE=TEST")
sleep_ms(1000)
Expand Down Expand Up @@ -486,8 +486,8 @@ def bin_unpack_lat_lon_24(packed_data):
if lat_lon_scaled & 0x800000: # Check if the sign bit is set for a negative value
lat_lon_scaled -= 0x1000000 # Convert to signed 24-bit integer

scaling_factor = 10000.0
lat_lon = lat_lon_scaled / scaling_factor
lat_lon = f'{lat_lon_scaled}'
lat_lon = lat_lon[:-4] + '.' + lat_lon[-4:]

return lat_lon

Expand All @@ -497,8 +497,8 @@ def bin_unpack_lat_lon_32(packed_data):
if lat_lon_scaled & 0x80000000: # Check if the sign bit is set for a negative value
lat_lon_scaled -= 0x100000000 # Convert to signed 32-bit integer

scaling_factor = 1000000.0
lat_lon = lat_lon_scaled / scaling_factor
lat_lon = f'{lat_lon_scaled}'
lat_lon = lat_lon[:-6] + '.' + lat_lon[-6:]

return lat_lon

Expand Down