int main() {
/* Select output serial 2 = UART2, 6 = UART6 */
serial_select(UART2);
while (1){
printf("\nInt count: %d", t2);
udelay(1000000);
}
return 0;
}
static void serial_update(devserial_t *serial)
{
if(serial_select(serial->sock, 0))
{
int client = accept (serial->sock, NULL, NULL);
if(serial->remote >= 0) {
const char *msg = "Another client is already connected.\nGood Bye!\n";
write(client, msg , strlen(msg));
close(client);
} else {
serial->remote = client;
}
}
}
static void serial_write(devserial_t *serial, uint16_t reg, uint32_t value)
{
uint8_t bits = value;
switch (reg)
{
case SERIAL_REG_DATA:
if(serial->remote >= 0) {
if(serial_select(serial->remote, 1)) {
if(send(serial->remote, &bits, 1, MSG_NOSIGNAL) <= 0) {
serial->remote = -1;
}
}
}
break;
}
}
static uint32_t serial_read(devserial_t *serial, uint16_t reg)
{
uint8_t bits;
switch (reg)
{
case SERIAL_REG_DATA:
if(serial->remote >= 0 && serial_select(serial->remote, 0)) {
if(read(serial->remote, &bits, 1) <= 0) {
serial->remote = -1;
return -1;
}
return bits;
} else {
return -1;
}
default:
return -1;
}
}
int device_select(struct timeval *timeout, struct gn_statemachine *state)
{
switch (state->device.type) {
case GN_CT_DKU2:
case GN_CT_Serial:
case GN_CT_Infrared:
return serial_select(state->device.fd, timeout, state);
case GN_CT_Irda:
return irda_select(state->device.fd, timeout, state);
case GN_CT_Bluetooth:
return bluetooth_select(state->device.fd, timeout, state);
case GN_CT_Tekram:
return tekram_select(state->device.fd, timeout, state);
case GN_CT_TCP:
return tcp_select(state->device.fd, timeout, state);
case GN_CT_DKU2LIBUSB:
return fbusdku2usb_select(timeout, state);
case GN_CT_SOCKETPHONET:
return socketphonet_select(state->device.fd, timeout, state);
default:
break;
}
return -1;
}
int socketphonet_select(int fd, struct timeval *timeout, struct gn_statemachine *state)
{
return serial_select(fd, timeout, state);
}
int tcp_select(int fd, struct timeval *timeout, struct gn_statemachine *state)
{
return serial_select(fd, timeout, state);
}
