Add buzzer

ports/card10/Makefile

@@ -44,6 +44,7 @@ LIBS =
 SRC_C = \
 	main.c \
 	uart_core.c \
+	buzzer.c \
 	lib/utils/printf.c \
 	lib/utils/stdout_helpers.c \
 	lib/utils/pyexec.c \
@@ -52,6 +53,9 @@ SRC_C = \
 
 OBJ = $(PY_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
 
+SRC_QSTR += buzzer.c
+USER_C_MODULES += buzzer.c
+
 # SDK compilation hack
 
 # -----------------------------------------------------------------------------

ports/card10/buzzer.c

+#include "py/obj.h"
+#include "py/runtime.h"
+#include "py/builtin.h"
+#include <stdio.h>
+#include "gpio.h"
+
+static const gpio_cfg_t motor_pin = {
+	PORT_0, PIN_8, GPIO_FUNC_OUT, GPIO_PAD_NONE
+};
+
+STATIC mp_obj_t buzzer_set(mp_obj_t state_obj)
+{
+	if (state_obj == mp_const_true) {
+		printf("Buzzer ON!\n");
+		GPIO_OutSet(&motor_pin);
+	} else if (state_obj == mp_const_false){
+		printf("Buzzer OFF!\n");
+		GPIO_OutClr(&motor_pin);
+	} else {
+		mp_raise_TypeError("expected bool");
+	}
+	return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(buzzer_set_obj, buzzer_set);
+
+// Define all properties of the example module.
+// Table entries are key/value pairs of the attribute name (a string)
+// and the MicroPython object reference.
+// All identifiers and strings are written as MP_QSTR_xxx and will be
+// optimized to word-sized integers by the build system (interned strings).
+STATIC const mp_rom_map_elem_t buzzer_module_globals_table[] = {
+	{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_buzzer) },
+	{ MP_ROM_QSTR(MP_QSTR_set), MP_ROM_PTR(&buzzer_set_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(buzzer_module_globals, buzzer_module_globals_table);
+
+// Define module object.
+const mp_obj_module_t buzzer_module = {
+	.base = { &mp_type_module },
+	.globals = (mp_obj_dict_t*)&buzzer_module_globals,
+};
+
+// Register the module to make it available in Python
+MP_REGISTER_MODULE(MP_QSTR_buzzer, buzzer_module, MODULE_BUZZER_ENABLED);

ports/card10/mpconfigport.h

@@ -59,6 +59,7 @@
 #define MICROPY_LONGINT_IMPL        (MICROPY_LONGINT_IMPL_LONGLONG)
 #define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_FLOAT)
 #define MICROPY_PY_UTIME_MP_HAL     (1)
+#define MODULE_BUZZER_ENABLED       (1)
 
 // type definitions for the specific machine