TonBERRY/micropython
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Add support for storing args during an exception raised by an irq.

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The user code should call micropython.alloc_emergency_exception_buf(size)
where size is the size of the buffer used to print the argument
passed to the exception.

With the test code from #732, and a call to
micropython.alloc_emergenncy_exception_buf(100) the following error is
now printed:
```python
>>> import heartbeat_irq
Uncaught exception in Timer(4) interrupt handler
Traceback (most recent call last):
  File "0://heartbeat_irq.py", line 14, in heartbeat_cb
NameError: name 'led' is not defined
```
This commit is contained in:
Dave Hylands
2014-07-01 23:46:53 -07:00
parent 05c255f039
commit 5b7fd20fea
9 changed files with 164 additions and 4 deletions
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7
py/modmicropython.c
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@@ -51,6 +51,10 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_mem_current_obj, mp_micropython_
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_mem_peak_obj, mp_micropython_mem_peak);
#endif
#if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF && (MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE == 0)
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_alloc_emergency_exception_buf_obj, mp_alloc_emergency_exception_buf);
#endif
STATIC const mp_map_elem_t mp_module_micropython_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_micropython) },
#if MICROPY_MEM_STATS
@@ -58,6 +62,9 @@ STATIC const mp_map_elem_t mp_module_micropython_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_mem_current), (mp_obj_t)&mp_micropython_mem_current_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_mem_peak), (mp_obj_t)&mp_micropython_mem_peak_obj },
#endif
#if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF && (MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE == 0)
{ MP_OBJ_NEW_QSTR(MP_QSTR_alloc_emergency_exception_buf), (mp_obj_t)&mp_alloc_emergency_exception_buf_obj },
#endif
};
STATIC const mp_obj_dict_t mp_module_micropython_globals = {