From 132d623a422e1b73f6e5d8911a82a75290637d10 Mon Sep 17 00:00:00 2001
From: Andy Wortman <ixineeringeverywhere@gmail.com>
Date: Thu, 14 Mar 2019 23:04:31 -0700
Subject: add qhy control software

---
 load_firmware.py | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 load_firmware.py

(limited to 'load_firmware.py')

diff --git a/load_firmware.py b/load_firmware.py
new file mode 100644
index 0000000..1c77316
--- /dev/null
+++ b/load_firmware.py
@@ -0,0 +1,46 @@
+import sys
+import os
+import subprocess
+
+def get_path(dev_id):
+    if len(dev_id) != 9:
+        raise Exception("Invalid device id: {}. Expected a string 9 characters long (ex: aaaa:bbbb)".format(dev_id))
+
+    for line in subprocess.check_output("lsusb").split('\n'):
+        if dev_id in line:
+            parts = line.split(' ')
+            bus = parts[1]
+            device = parts[3][:-1]
+            path = "/dev/bus/usb/{}/{}".format(bus, device)
+#            path = "/sys/bus/usb/devices/{}-{}".format(bus.replace('0', ''), device.replace('0', ''))
+            print("Found {} at {}".format(dev_id, path))
+            return path
+
+    return None
+
+def fix_perms(camera_path):
+    me = os.getuid()
+    camera_perms = os.stat(camera_path).st_uid
+    if camera_perms != me:
+        print("Fixing permissions..")
+        os.system("sudo chown iximeow:iximeow {}".format(camera_path))
+
+camera_path = get_path("1618:c367")
+
+if camera_path == None:
+    print("couldn't find the camera, firmware may have been loaded already?")
+    sys.exit(0)
+
+fix_perms(camera_path)
+
+fw_cmd = "./fxload -t fx3 -I firmware/qhy/{} -D {}".format(
+        "QHY367.img",
+        camera_path
+    )
+
+print(fw_cmd)
+
+fw_load = subprocess.check_output([
+    "./fxload", '-t', 'fx3', '-I', 'firmware/qhy/{}'.format("QHY367.img"), '-D', camera_path])
+
+print(fw_load)
-- 
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