Takashi Kawai
This is a port of the mruby/c tutorial Chapter 03 to the mbed environment.
For details, refer to the following.
http://www.s-itoc.jp/activity/research/mrubyc/mrubyc_tutorial/436
Note:There is a change in rtt0.h from the original source in the mruby/c. It was necessary for inclusion in C ++ source.
Diff: main.cpp
- Revision:
- 0:33feccbba3ff
diff -r 000000000000 -r 33feccbba3ff main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Feb 15 01:03:35 2017 +0000
@@ -0,0 +1,57 @@
+#include "mbed.h"
+
+#include "mrubyc/hal/hal.h"
+#include "mrubyc/mrubyc.h"
+
+DigitalIn mybutton(USER_BUTTON);
+DigitalOut myled(LED1);
+RawSerial mysci(USBTX, USBRX);
+
+extern const uint8_t sample1[];
+extern const uint8_t sample2[];
+
+int hal_write(int fd, const void *buf, size_t nbytes)
+{
+ return mysci.write((const uint8_t *)buf, (int)nbytes, NULL, SERIAL_EVENT_TX_COMPLETE);
+}
+
+int hal_flush(int fd)
+{
+ char char1 = 0;
+ while (mysci.readable())
+ {
+ char1 = mysci.getc();
+ }
+ return 0;
+}
+
+void hal_delay(mrb_vm *vm, mrb_value *v)
+{
+ wait_ms((int)GET_INT_ARG(0));
+}
+
+void hal_led(mrb_vm *vm, mrb_value *v)
+{
+ myled = (int)GET_INT_ARG(0);
+}
+
+void hal_button(mrb_vm *vm, mrb_value *v)
+{
+ int sw = mybutton;
+ SET_INT_RETURN(sw);
+}
+
+int main() {
+ mysci.baud(115200); // 115Kbps
+ mysci.format(8, Serial::None, 1); // 8bt, none parity, stop bit 1
+ mrbc_init();
+ mrbc_define_method(0, mrbc_class_object, "led1_write", hal_led);
+ mrbc_define_method(0, mrbc_class_object, "delay", hal_delay);
+ mrbc_define_method(0, mrbc_class_object, "sw1_read", hal_button);
+ mrbc_create_task( sample1, 0 );
+ mrbc_create_task( sample2, 0 );
+
+ mrbc_run();
+
+}
+
\ No newline at end of file