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extmod/machine_wdt: Factor ports' WDT Python bindings to common code.

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There are currently 7 ports that implement machine.WDT and a lot of code is
duplicated across these implementations.  This commit factors the common
parts of all these implementations to a single location in
extmod/machine_wdt.c.  This common code provides the top-level Python
bindings (class and method wrappers), and then each port implements the
back end specific to that port.

With this refactor the ports remain functionally the same except for:

- The esp8266 WDT constructor now takes keyword arguments, and accepts the
  "timeout" argument but raises an exception if it's not the default value
  (this port doesn't support changing the timeout).

- The mimxrt and samd ports now interpret the argument to WDT.timeout_ms()
  as signed and if it's negative truncate it to the minimum timeout (rather
  than it being unsigned and a negative value truncating to the maximum
  timeout).

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2023-10-10 18:19:03 +11:00
parent 2590a34ed7
commit 60929ec7e2
38 changed files with 235 additions and 304 deletions
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1
ports/esp32/modmachine.h
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@@ -10,7 +10,6 @@ typedef enum {
} wake_type_t;
extern const mp_obj_type_t machine_timer_type;
extern const mp_obj_type_t machine_wdt_type;
extern const mp_obj_type_t machine_pin_type;
extern const mp_obj_type_t machine_touchpad_type;
extern const mp_obj_type_t machine_adc_type;