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zephyr: Add Ctrl+C handling.
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‎zephyr/Makefile‎

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@@ -37,6 +37,7 @@ SRC_C = main.c \
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lib/utils/stdout_helpers.c \
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lib/utils/printf.c \
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lib/utils/pyexec.c \
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lib/utils/interrupt_char.c \
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lib/mp-readline/readline.c \
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$(BUILD)/frozen.c \
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$(SRC_MOD)

‎zephyr/main.c‎

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@@ -9,6 +9,7 @@
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#include "py/gc.h"
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#include "py/stackctrl.h"
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#include "lib/utils/pyexec.h"
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#include "lib/mp-readline/readline.h"
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void do_str(const char *src, mp_parse_input_kind_t input_kind) {
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mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
@@ -44,6 +45,7 @@ int real_main(void) {
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gc_init(heap, heap + sizeof(heap));
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#endif
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mp_init();
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MP_STATE_PORT(mp_kbd_exception) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
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pyexec_frozen_module("main.py");
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#if MICROPY_REPL_EVENT_DRIVEN
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pyexec_event_repl_init();

‎zephyr/mpconfigport.h‎

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@@ -46,6 +46,7 @@ typedef long mp_off_t;
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#define MP_STATE_PORT MP_STATE_VM
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#define MICROPY_PORT_ROOT_POINTERS \
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mp_obj_t mp_kbd_exception; \
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const char *readline_hist[8];
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// Include Zephyr's autoconf.h, which should be made first by Zephyr makefiles

‎zephyr/mphalport.h‎

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static inline mp_uint_t mp_hal_ticks_ms(void) { return 0; }
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static inline void mp_hal_set_interrupt_char(char c) {}

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