circuitpython/ports/teensy/usb.c

47 lines
907 B
C

#include <string.h>
#include "py/runtime.h"
#include "Arduino.h"
#include "usb.h"
#include "usb_serial.h"
bool usb_vcp_is_connected(void) {
return usb_configuration && (usb_cdc_line_rtsdtr & (USB_SERIAL_DTR | USB_SERIAL_RTS));
}
bool usb_vcp_is_enabled(void) {
return true;
}
int usb_vcp_rx_num(void) {
return usb_serial_available();
}
int usb_vcp_recv_byte(uint8_t *ptr) {
int ch = usb_serial_getchar();
if (ch < 0) {
return 0;
}
*ptr = ch;
return 1;
}
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);
}
}