// Transfers data from sensor to cloud to notify of threshold crossings.
void threshold_crossing(int sig) {
event_message_t *msg = (event_message_t *) shared_mem;
msg->packet.pid = getpid();
send_fifo(msg, CLOUD_FIFO, O_WRONLY | O_NONBLOCK, sizeof(event_message_t));
}
int main(int argc, char *argv[]) {
event_message_t event_msg;
shared_mem = (void *) 0;
event_msg.msg_type = REGISTER_KEY;
event_msg.packet.pid = getpid();
send_fifo(&event_msg, CLOUD_FIFO, O_WRONLY | O_NONBLOCK, sizeof(event_message_t));
// Setup the message queue
msgid = msgget((key_t) 1234, 0666 | IPC_CREAT);
if (msgid == -1) {
fprintf(stderr, "msgget failed with error: %d\n", errno);
exit(EXIT_FAILURE);
}
shmid = shmget((key_t) 4321, sizeof(device_event_t), 0666 | IPC_CREAT);
if (shmid == -1) {
fprintf(stderr, "shmget faild!\n");
exit(EXIT_FAILURE);
}
child_pid = fork();
switch(child_pid) {
case -1:
perror("fork failed\n");
exit(EXIT_FAILURE);
case 0:
printf("Child: %d\n", getpid());
child();
break;
default:
printf("Parent: %d\n", getpid());
parent();
break;
}
exit(EXIT_SUCCESS);
}
void vendor_req( void )
{
u16 wIndex;
u16 wValue;
u16 wLength;
u8 buf[2];
#ifdef CONFIG_NET2270
// DISABLE;
#endif
wIndex = ControlData.DeviceRequest.wIndex;
wValue = ControlData.DeviceRequest.wValue;
wLength = ControlData.DeviceRequest.wLength;
// puts( "vendor_req." );
if( ControlData.DeviceRequest.bmRequestType & USB_ENDPOINT_DIRECTION_MASK )
{
switch( wIndex )
{
case GET_FIRMWARE_VERSION:
puts( "Connected.\n" );
puts( "Select file in FlashTool and download.\n" );
#ifdef CONFIG_NET2270
send_fifo(EndPoint0, "\x01", 1 );
/* why??? */
if( usb_current_block_size > 0 ) {
//udelay(10);
read_main_data(EndPointB);
}
#endif
#ifdef CONFIG_PDIUSB12
single_transmit( "x01", 1);
#endif
break;
case GET_FLASH_STATUS:
/*
* FIXME!!!
* NOT COMPLETED. MAKE ME WORK!!!
*/
if(bEPPflags.bits.verbose)
{
puts( " get flash status.\n" );
}
buf[1] = 0;
switch( upg_buffer_status )
{
case UPGBUF_UNUSED:
buf[0] = 0x00;
break;
default:
buf[0] = 0x02;
break;
}
#ifdef CONFIG_NET2270
send_fifo(EndPoint0, buf, 2 );
#endif
#ifdef CONFIG_PDIUSB12
D12_WriteEndpoint(1, buf, 2);
#endif
break;
default:
printf( " unknown index. (0x%04x)\n", wIndex );
#ifdef CONFIG_PDIUSB12
single_transmit(0, 0);
#endif
break;
}
}
else
{
switch( wIndex )
{
case SET_FILE_DOWN_HEADER:
if(bEPPflags.bits.verbose)
{
puts( " set file down header.\n" );
}
if( set_file_down_header( (struct _FileDownHeader*)ControlData.dataBuffer, wLength ) )
{
puts( "download is not accepted\n" );
}
#ifdef CONFIG_PDIUSB12
single_transmit(0, 0);
#endif
break;
case SET_FILE_DOWN:
if(bEPPflags.bits.verbose)
{
puts( " set file down.\n" );
}
set_file_down( (struct _IO_REQUEST*)ControlData.dataBuffer, wLength );
#ifdef CONFIG_PDIUSB12
single_transmit(0, 0);
#endif
break;
case USB_CMD_END:
if(bEPPflags.bits.verbose)
{
puts( " cmd end\n" );
}
download_completed();
#ifdef CONFIG_PDIUSB12
single_transmit(0, 0);
#endif
break;
default:
printf( " unknown index.(0x%04x)\n", wIndex );
#ifdef CONFIG_PDIUSB12
single_transmit(0, 0);
#endif
break;
}
}
#ifdef CONFIG_NET2270
// ENABLE;
#endif
}