Update __init__.py to handle short report lengths. - #18
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Added a check to readone that prevents a crash if the returned report is shorter than expected
Owner
can you try this version? diff --git a/src/radexreader/__init__.py b/src/radexreader/__init__.py
index 4238f6c238..6a42905cb2 100644
--- a/src/radexreader/__init__.py+++ b/src/radexreader/__init__.py@@ -278,30 +278,32 @@
self.hid_set_report((0x7b, 0xff, 0x20, 0, 0x06, 0, self.keyA, self.keyB, 0, 0, self.keyC, self.keyD, 0, 0x08, 0x0c, 0, 0xf3, 0xf7))
hexa = self.hid_get_report()
+ if hexa != b'' and len(hexa) >= 31:+ # measure = 0.15 µSv/h = 15 / 0.15 µSv accumulated = 15 / 15 CPM = 15+ measure = (hexa[20] + hexa[21] * 256 + hexa[22] * 256 * 256) / 100+ measure_acc = (hexa[24] + hexa[25] * 256 + hexa[26] * 256 * 256) / 100+ measure_cpm = hexa[28] + hexa[29] * 256 + hexa[30] * 256 * 256+ # uncertainty of the result+ percent = 15 + 6 / measure+ measure_min = measure * (1 - percent / 100)+ measure_max = measure * (1 + percent / 100)+ if measure_min < 0:+ measure_min = 0+ if percent > 99.9:+ percent = 99.9+ # most recent measure+ timestamp = int(time.time())+ return { timestamp: {+ 'pct': percent,+ 'min': measure_min,+ 'val': measure,+ 'max': measure_max,+ 'acc': measure_acc,+ 'cpm': measure_cpm,+ 'time': timestamp+ } }- # measure = 0.15 µSv/h = 15 / 0.15 µSv accumulated = 15 / 15 CPM = 15- measure = (hexa[20] + hexa[21] * 256 + hexa[22] * 256 * 256) / 100- measure_acc = (hexa[24] + hexa[25] * 256 + hexa[26] * 256 * 256) / 100- measure_cpm = hexa[28] + hexa[29] * 256 + hexa[30] * 256 * 256- # uncertainty of the result- percent = 15 + 6 / measure- measure_min = measure * (1 - percent / 100)- measure_max = measure * (1 + percent / 100)- if measure_min < 0:- measure_min = 0- if percent > 99.9:- percent = 99.9-- timestamp = int(time.time())- return { timestamp: {- 'pct': percent,- 'min': measure_min,- 'val': measure,- 'max': measure_max,- 'acc': measure_acc,- 'cpm': measure_cpm,- 'time': timestamp- } }+ return {}
def erase(self):
if self.com == 'RD1212v2':
it's similar between RD1212 and One, and without print |
Author
It appears that applying that patch caused everything that's returned to be empty. When I reverted to the old code it started returning data again. I was testing why that was, but I didn't figure it out. |
luigifab
commented
Mar 23, 2025
Owner
loool, I suppose this line: |
Author
Okay, I'll try that instead. Interesting piece of information, I set up InfluxDB and Grafana with RadexReader and looking at the data from a zoomed out view it appears these periods of missing data are cyclic. |
Owner
Oh so nice! There is probably something wrong with the addresses used to read data from the Radex ONE.
But the address is not "simple": |
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Pull Request Overview
This PR adds a safeguard in readOne to prevent crashes when the HID report is shorter than expected.
- Introduces a length check for the received report and early return on incomplete data
- Emits a warning and returns an empty dict when the report is too short
Comments suppressed due to low confidence (1)
src/radexreader/init.py:282
- Add unit tests covering the new branch where
hexaisNoneor shorter than expected to validate this behavior and prevent regressions.
# Check if the returned report has the expected length
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Owner
It look like that there are negative values with current code: with ChatGPT I tried some stupid things, and there is still something wrong, because his helper made never breaks: importcsv# the correct initial valueskeyA=0x04-0x04# => 0x00keyB=0x00keyC=0x5a+0x04# => 0x5ekeyD=0x00seen=set()
rows= []
iteration=1whileiteration<=10000:
t= (keyA, keyB, keyC, keyD)
iftinseen:
breakseen.add(t)
rows.append([iteration, f"0x{keyA:02x}", f"0x{keyB:02x}", f"0x{keyC:02x}", f"0x{keyD:02x}"])
iteration+=1keyA+=0x04keyC-=0x04ifkeyA>0xff:
keyA-=0xfekeyB+=0x01ifkeyB>0xff:
keyB=0x00keyC-=0x01elifkeyC<0x00:
keyC+=0xffkeyD-=0x01ifkeyD<0x00:
keyD=0xffwithopen("radex_keys_cycle.csv", "w", newline="") ascsvfile:
writer=csv.writer(csvfile, delimiter="\t")
writer.writerow(["iteration", "keyA", "keyB", "keyC", "keyD"])
writer.writerows(rows) |
Owner
It could be nice to know which address crash in your beautiful graph. I suppose that the beginning of the iteration is correct, we need to identify working addresses, and the first one that crash ( |
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I added a check to readone that prevents a crash if the returned report is shorter than expected.
I encountered an issue with my code crashing due to some of the reports being shorter than expected, this stop-gap addition prevents the code from crashing out.