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pfalconpfalcon
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esp8266: Add custom _assert() function.
Enabling standard assert() (by removing -DNDEBUG) produces non-bootable binary (because all messages go to .rodata which silently overflows). So, for once-off debugging, have a custom _assert().
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‎esp8266/esp_mphal.c‎

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@@ -30,6 +30,8 @@
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#include "uart.h"
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#include "esp_mphal.h"
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#include "user_interface.h"
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#include "py/obj.h"
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#include "py/mpstate.h"
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extern void ets_wdt_disable(void);
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extern void wdt_feed(void);
@@ -98,3 +100,9 @@ void mp_hal_delay_ms(uint32_t delay) {
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void mp_hal_set_interrupt_char(int c) {
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// TODO
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}
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void __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("assert:%s:%d:%s: %s\n", file, line, func, expr);
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nlr_raise(mp_obj_new_exception_msg(&mp_type_AssertionError,
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"C-level assert"));
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}

‎esp8266/mpconfigport.h‎

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@@ -113,3 +113,5 @@ extern const struct _mp_obj_module_t mp_module_machine;
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#define MICROPY_HW_BOARD_NAME "ESP module"
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#define MICROPY_HW_MCU_NAME "ESP8266"
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#define MICROPY_PY_SYS_PLATFORM "ESP8266"
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#define _assert(expr) ((expr) ? (void)0 : __assert_func(__FILE__, __LINE__, __func__, #expr))

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