tweak rp2040 mvp, now mostly usable but with timing issues

python-test/flow.py

@@ -16,14 +16,10 @@ def print_bar(value, start, end, unit):
     print("{}{} -> {}{} -> {}{}".format(start, unit, value, unit, end, unit))
 
 def sleep(t):
-    w = terminal_width
-    if t < w:
-        w = int(t)
-    print_bar(0, 0, w, "s")
-    for i in range(0, w):
-        time.sleep(t / w)
-        print_bar(i + 1, 0, w, "s")
-    print()
+    print_bar(0, 0, t, "s")
+    for i in range(0, t):
+        time.sleep(1.0)
+        print_bar(i + 1, 0, t, "s")
 
 async def wait_for_temp(client, temp):
     print("Setting temperature {}".format(temp))
@@ -56,21 +52,24 @@ async def flow(client):
     print("Turning on heater")
     await set_state(client, (True, False))
 
-    await flow_step(client, 190.0, 20.0, 5.0)
-    await flow_step(client, 205.0, 10.0, 20.0)
-    await flow_step(client, 220.0, 10.0, 20.0)
+    await flow_step(client, 190.0, 20.0, 5.0 - 4.9)
+    await flow_step(client, 205.0, 10.0, 20.0 - 7)
+    await flow_step(client, 220.0, 10.0, 20.0 - 7)
 
-    print("Notification by pumping three times...")
-    for i in range(0, 3):
-        time.sleep(1.0)
-        await set_state(client, (True, True)) # turn on pump
-        time.sleep(1.0)
-        await set_state(client, (True, False)) # turn off pump
+    #print("Notification by pumping three times...")
+    #for i in range(0, 3):
+    #    time.sleep(1.0 / 3)
+    #    await set_state(client, (True, True)) # turn on pump
+    #    time.sleep(1.0 / 3)
+    #    await set_state(client, (True, False)) # turn off pump
 
     print("Turning heater off")
     await set_state(client, (False, False)) # turn off heater and pump
 
-if __name__ == "__main__":
+    print("Setting temperature back to 190")
+    await set_target_temp(client, 190.0)
+
+if True:#__name__ == "__main__":
     async def main(address):
         client = await ble_conn(address)
 

python-test/poll.py

@@ -37,12 +37,21 @@ async def get_target_temp(device):
     return num / 10.0
 
 async def set_target_temp(device, temp):
-    val = int(temp * 10.0)
-    d = val.to_bytes(4, "little")
-    service = await device.service(serviceUuidVolcano4)
-    uuid = bluetooth.UUID("10110003-5354-4f52-5a26-4249434b454c")
-    characteristic = await service.characteristic(uuid)
-    await characteristic.write(d)
+    attempts = 3
+    while attempts > 0:
+        val = int(temp * 10.0)
+        d = val.to_bytes(4, "little")
+        service = await device.service(serviceUuidVolcano4)
+        uuid = bluetooth.UUID("10110003-5354-4f52-5a26-4249434b454c")
+        characteristic = await service.characteristic(uuid)
+        await characteristic.write(d)
+
+        attempts -= 1
+
+        target = await get_target_temp(device)
+        if abs(target - temp) < 0.5:
+            return
+    raise RuntimeError("Could not set target temperature")
 
 async def get_unit_is_fahrenheit(device):
     service = await device.service(serviceUuidVolcano3)