micropython/teensy/usb.c

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#include <string.h>
#include <stdint.h>
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#include "Arduino.h"
#include "mpconfig.h"
#include "misc.h"
#include "qstr.h"
#include "obj.h"
#include "runtime.h"
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#include "usb.h"
#include "usb_serial.h"
bool usb_vcp_is_connected(void)
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{
return usb_configuration && (usb_cdc_line_rtsdtr & (USB_SERIAL_DTR | USB_SERIAL_RTS));
}
bool usb_vcp_is_enabled(void)
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{
return true;
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}
void usb_vcp_set_interrupt_char(int c) {
// The teensy 3.1 usb stack doesn't currently have the notion of generating
// an exception when a certain character is received. That just means that
// you can't press Control-C and get your python script to stop.
}
int usb_vcp_rx_num(void) {
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return usb_serial_available();
}
int usb_vcp_recv_byte(uint8_t *ptr)
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{
int ch = usb_serial_getchar();
if (ch < 0) {
return 0;
}
*ptr = ch;
return 1;
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}
void usb_vcp_send_str(const char* str)
{
usb_vcp_send_strn(str, strlen(str));
}
void usb_vcp_send_strn(const char* str, int len)
{
usb_serial_write(str, len);
}
void usb_vcp_send_strn_cooked(const char *str, int len)
{
for (const char *top = str + len; str < top; str++) {
if (*str == '\n') {
usb_serial_putchar('\r');
}
usb_serial_putchar(*str);
}
}