zephyr/zephyr_getchar: Add support for Ctrl+C handling.

Patch on top of upstream Zephyr console helpers.
This commit is contained in:
Paul Sokolovsky 2016-09-29 10:18:06 -07:00
parent aa7828f822
commit 1b76f88e7a

View File

@ -20,6 +20,9 @@
#include <misc/printk.h>
#include "zephyr_getchar.h"
extern int mp_interrupt_char;
void mp_keyboard_interrupt(void);
static struct nano_sem uart_sem;
#define UART_BUFSIZE 256
static uint8_t uart_ringbuf[UART_BUFSIZE];
@ -32,8 +35,13 @@ static int console_irq_input_hook(struct device *dev, uint8_t ch)
printk("UART buffer overflow - char dropped\n");
return 1;
}
uart_ringbuf[i_put] = ch;
i_put = i_next;
if (ch == mp_interrupt_char) {
mp_keyboard_interrupt();
return 1;
} else {
uart_ringbuf[i_put] = ch;
i_put = i_next;
}
//printk("%x\n", ch);
nano_isr_sem_give(&uart_sem);
return 1;