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106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
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#include <stdio.h>
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#include <sys/etimer.h>
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#include <sys/process.h>
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#include <sys/autostart.h>
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#include <usb/usb-api.h>
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#include <usb/cdc-acm.h>
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#include <dev/leds.h>
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#include <debug-uart.h>
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#include <net/uip-fw-drv.h>
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#include <dev/slip.h>
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/* SLIP interface */
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extern struct uip_fw_netif cc2420if;
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static struct uip_fw_netif slipif =
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{UIP_FW_NETIF(0,0,0,0, 255,255,255,255, slip_send)};
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/* USB buffers */
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static unsigned char input_buffer[128];
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static unsigned char output_buffer[128];
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static unsigned char interrupt_buffer[16];
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#define DEV_TO_HOST 0x81
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#define HOST_TO_DEV 0x02
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void
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slip_arch_init(unsigned long ubr)
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{
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}
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void
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slip_arch_writeb(unsigned char c)
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{
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while(usb_send_data(DEV_TO_HOST, &c, 1) != 1);
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}
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PROCESS(gateway_process, "Gateway process");
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PROCESS_THREAD(gateway_process, ev , data)
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{
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static struct etimer timer;
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PROCESS_BEGIN();
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usb_set_user_process(process_current);
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usb_setup();
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usb_cdc_acm_setup();
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uip_fw_default(&slipif);
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uip_fw_register(&cc2420if);
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process_start(&slip_process, NULL);
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while(ev != PROCESS_EVENT_EXIT) {
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PROCESS_WAIT_EVENT();
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if (ev == PROCESS_EVENT_TIMER) {
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leds_toggle(LEDS_YELLOW);
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etimer_restart(&timer);
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} else if (ev == PROCESS_EVENT_MSG) {
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const struct usb_user_msg * const msg = data;
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switch(msg->type) {
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case USB_USER_MSG_TYPE_CONFIG:
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printf("User config\n");
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if (msg->data.config != 0) {
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usb_setup_bulk_endpoint(DEV_TO_HOST,
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input_buffer, sizeof(input_buffer));
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usb_setup_bulk_endpoint(HOST_TO_DEV,
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output_buffer, sizeof(output_buffer));
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usb_setup_interrupt_endpoint(0x83,interrupt_buffer,
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sizeof(interrupt_buffer));
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etimer_set(&timer, CLOCK_SECOND);
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} else {
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etimer_stop(&timer);
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usb_disable_endpoint(DEV_TO_HOST);
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usb_disable_endpoint(HOST_TO_DEV);
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usb_disable_endpoint(0x83);
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}
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break;
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case USB_USER_MSG_TYPE_EP_OUT(2):
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{
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unsigned int len = msg->data.length;
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/* printf("Received %d:\n", len); */
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{
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unsigned char ch;
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unsigned int xfer;
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while((xfer = usb_recv_data(HOST_TO_DEV, &ch, 1)) > 0) {
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/* printf(" %02x",ch); */
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if (slip_input_byte(ch)) break;
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}
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/* printf("\n"); */
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}
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}
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break;
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}
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}
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}
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printf("USB test process exited\n");
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PROCESS_END();
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}
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AUTOSTART_PROCESSES(&gateway_process);
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