tests/ports/rp2: Put back lightsleep/machine_idle test for RP2350.

This reverts commit b42bb91.

Signed-off-by: Peter Harper <[email protected]>

Author: peterharperuk

tests/ports/rp2/rp2_lightsleep.py

@@ -9,18 +9,13 @@
 # A range of sleep periods (1 to 512ms) are tested. The total nominal sleep time
 # is 10.23 seconds, but on most ports this will finish much earlier as interrupts
 # happen before each timeout expires.
-import sys
-
 try:
     from machine import lightsleep, Pin
 except ImportError:
     print("SKIP")
     raise SystemExit
 
-# RP2350 currently fails this test, needs further investigation.
-if "RP2350" in sys.implementation._machine:
-    print("SKIP")
-    raise SystemExit
+from sys import stdout, platform
 
 try:
     led = Pin(Pin.board.LED, Pin.OUT)
@@ -30,7 +25,7 @@
 for n in range(100):
     if led:
         led.toggle()
-    sys.stdout.write(chr(ord("a") + (n % 26)))
+    stdout.write(chr(ord("a") + (n % 26)))
     lightsleep(2 ** (n % 10))
 
 print("\nDONE")

tests/ports/rp2/rp2_machine_idle.py

@@ -1,4 +1,3 @@
-import sys
 import machine
 import time
 
@@ -18,11 +17,6 @@
 # Verification uses the average idle time, as individual iterations will always
 # have outliers due to interrupts, scheduler, etc.
 
-# RP2350 currently fails this test because machine.idle() resumes immediately.
-if "RP2350" in sys.implementation._machine:
-    print("SKIP")
-    raise SystemExit
-
 ITERATIONS = 500
 total = 0