tests/ports/psoc6: Stabilize time_pulse_us tests.

Signed-off-by: NikhitaR-IFX <nikhita.rajasekhar@infineon.com>

Author: NikhitaR-IFX

tests/ports/psoc6/board_ext_hw/multi/time_pulse_sig_gen.py

@@ -0,0 +1,55 @@
+from machine import Pin
+import os
+import time
+
+# Allocate pin based on board
+board = os.uname().machine
+if "CY8CPROTO-062-4343W" in board:
+    pulse_out_pin = "P9_7"
+    ack_in_pin = "P9_6"
+elif "CY8CPROTO-063-BLE" in board:
+    pulse_out_pin = "P9_4"
+    ack_in_pin = "P9_6"
+elif "CY8CKIT-062S2-AI" in board:
+    pulse_out_pin = "P9_7"
+    ack_in_pin = "P9_6"
+
+ack_recvd = False
+
+
+def cback(pin):
+    global ack_recvd
+    ack_recvd = True
+
+
+def blocking_delay_ms(delay_ms):
+    start = time.ticks_ms()
+    while time.ticks_diff(time.ticks_ms(), start) < delay_ms:
+        pass
+
+
+pulse_out = Pin(pulse_out_pin, Pin.OUT, value=False)
+ack_in = Pin(ack_in_pin, Pin.IN)
+ack_in.irq(trigger=Pin.IRQ_RISING, handler=cback)
+
+# Starting condition always low pulse
+pulse_out.low()
+blocking_delay_ms(500)
+
+while not ack_recvd:
+    pass  # Wait for the Begin ACK signal
+
+ack_recvd = False
+
+# Generate high pulse
+pulse_out.high()
+while not ack_recvd:
+    pass  # Wait for high received ACK signal
+
+# Wait for 1sec to time the pulse
+blocking_delay_ms(1000)
+
+pulse_out.low()
+
+pulse_out.deinit()  # Deinitialize the pulse output pin
+ack_in.deinit()

tests/ports/psoc6/board_ext_hw/multi/time_pulse_us.py

@@ -0,0 +1,59 @@
+from machine import Pin, time_pulse_us
+import os
+import time
+
+# Allocate pin based on board
+board = os.uname().machine
+if "CY8CPROTO-062-4343W" in board:
+    pulse_in_pin = "P9_7"
+    ack_out_pin = "P9_6"
+elif "CY8CPROTO-063-BLE" in board:
+    pulse_in_pin = "P9_4"
+    ack_out_pin = "P9_6"
+elif "CY8CKIT-062S2-AI" in board:
+    pulse_in_pin = "P9_7"
+    ack_out_pin = "P9_6"
+
+pin_high_received = False
+
+
+def cback(pin):
+    global pin_high_received
+    pin_high_received = True
+
+
+def blocking_delay_ms(delay_ms):
+    start = time.ticks_ms()
+    while time.ticks_diff(time.ticks_ms(), start) < delay_ms:
+        pass
+
+
+pulse_in = Pin(pulse_in_pin, Pin.IN, Pin.PULL_DOWN)
+ack_out = Pin(ack_out_pin, Pin.OUT)
+ack_out.low()
+
+width = 0
+
+pulse_in.irq(trigger=Pin.IRQ_RISING, handler=cback)
+
+# Send begin ack to start generating pulse
+ack_out.high()
+blocking_delay_ms(1000)
+ack_out.low()
+
+# Wait to receive pulse high signal
+while not pin_high_received:
+    pass
+
+# Send pulse high recvd ack
+ack_out.high()
+
+# Measure the pulse width
+width = time_pulse_us(pulse_in, 1, 10000000)
+
+print(
+    f"Pulse timing verified: {True if (0.98 < (width / 1000000) < 1.2) else 'False, width=' + str(width / 1000000)}"
+)
+
+pulse_in.deinit()
+ack_out.deinit()

tests/ports/psoc6/board_ext_hw/multi/time_pulse_us.py.exp

@@ -0,0 +1 @@
+Pulse timing verified: True

tests/ports/psoc6/board_ext_hw/single/time_pulse_us.py

@@ -207,9 +207,9 @@ pwm_tests() {
   run_tests "pwm" ${dev_test} "${tests_psoc6_dir}/board_ext_hw/single/pwm.py"
 }
 
-time_pulse_tests() {
-  run_tests "time_pulse" ${dev_test} "${tests_psoc6_dir}/board_ext_hw/single/time_pulse_us.py"
-}
+#time_pulse_tests() {
+#  run_tests "time_pulse" ${dev_test} "${tests_psoc6_dir}/board_ext_hw/single/time_pulse_us.py"
+#}
 
 pin_tests() {
   run_tests "pin" ${dev_test} "${tests_psoc6_dir}/board_ext_hw/single/pin.py"
@@ -223,6 +223,7 @@ i2c_tests() {
   run_tests "i2c" ${dev_test} "${tests_psoc6_dir}/board_ext_hw/single/i2c.py"
 }
 
+
 uart_tests() {
   run_tests "uart" ${dev_test} "${tests_psoc6_dir}/board_ext_hw/single/uart.py"
 }
@@ -242,6 +243,11 @@ i2s_tests() {
   "" "i2s_tx" ${dev_stub} "${tests_psoc6_dir}/board_ext_hw/multi/i2s_tx.py"
 }
 
+time_pulse_tests() {
+  run_tests "time_pulse" ${dev_test} "${tests_psoc6_dir}/board_ext_hw/multi/time_pulse_us.py" \
+  "" "time_pulse_sig_gen" ${dev_stub} "${tests_psoc6_dir}/board_ext_hw/multi/time_pulse_sig_gen.py"
+}
+
 pdm_pcm_tests() {
   run_tests "pdm_pcm" ${dev_test} "${tests_psoc6_dir}/board_ext_hw/multi/pdm_pcm_rx.py" \
   "" "pdm_pcm_tx" ${dev_stub} "${tests_psoc6_dir}/board_ext_hw/multi/pdm_pcm_tx.py"