mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-24 07:29:42 +00:00
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
#include <cdc-acm.h>
|
|
#include <cdc.h>
|
|
#include <usb-proto.h>
|
|
#include <stdio.h>
|
|
|
|
static unsigned int
|
|
handle_cdc_acm_requests()
|
|
{
|
|
printf("CDC request %02x %02x\n", usb_setup_buffer.bmRequestType, usb_setup_buffer.bRequest);
|
|
switch(usb_setup_buffer.bmRequestType) {
|
|
case 0x21: /* CDC interface OUT requests */
|
|
/* Check if it's the right interface */
|
|
if (usb_setup_buffer.wIndex != 0) return 0;
|
|
switch(usb_setup_buffer.bRequest) {
|
|
case SET_CONTROL_LINE_STATE:
|
|
if (usb_setup_buffer.wValue & 0x02) {
|
|
puts("Carrier on");
|
|
} else {
|
|
puts("Carrier off");
|
|
}
|
|
if (usb_setup_buffer.wValue & 0x01) {
|
|
puts("DTE on");
|
|
} else {
|
|
puts("DTE off");
|
|
}
|
|
usb_send_ctrl_status();
|
|
return 1;
|
|
|
|
case SEND_ENCAPSULATED_COMMAND:
|
|
printf("Got CDC command: length %d\n", usb_ctrl_data_len);
|
|
usb_send_ctrl_status();
|
|
return 1;
|
|
|
|
|
|
case SET_LINE_CODING:
|
|
if (usb_ctrl_data_len == 7) {
|
|
static const char parity_char[] = {'N', 'O', 'E', 'M', 'S'};
|
|
static const char *stop_bits_str[] = {"1","1.5","2"};
|
|
const struct usb_cdc_line_coding *coding =
|
|
(const struct usb_cdc_line_coding *)usb_ctrl_data_buffer;
|
|
char parity = ((coding->bParityType > 4)
|
|
? '?' : parity_char[coding->bParityType]);
|
|
const char *stop_bits = ((coding->bCharFormat > 2)
|
|
? "?" : stop_bits_str[coding->bCharFormat]);
|
|
printf("Got CDC line coding: %ld/%d/%c/%s\n",
|
|
coding->dwDTERate, coding->bDataBits, parity, stop_bits);
|
|
usb_send_ctrl_status();
|
|
} else {
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
break;
|
|
case 0xa1: /* CDC interface IN requests */
|
|
if (usb_setup_buffer.wIndex != 0) return 0;
|
|
switch(usb_setup_buffer.bRequest) {
|
|
case GET_ENCAPSULATED_RESPONSE:
|
|
printf("CDC response");
|
|
usb_send_ctrl_status();
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const struct USBRequestHandler cdc_acm_request_handler =
|
|
{
|
|
0x21, 0x7f,
|
|
0x00, 0x00,
|
|
handle_cdc_acm_requests
|
|
};
|
|
|
|
static struct USBRequestHandlerHook cdc_acm_request_hook =
|
|
{
|
|
NULL,
|
|
&cdc_acm_request_handler
|
|
};
|
|
|
|
void
|
|
usb_cdc_acm_setup()
|
|
{
|
|
usb_register_request_handler(&cdc_acm_request_hook);
|
|
}
|