void RFSend (unsigned char *str)
// transmit function, it only transmit a string, so make sure the input is a pointer to a string
// or we can come up with a way to change a variable into a string
{
txptr = str;
enable_tx();
}
//conditionally disable and enable tx
bool disable_tx(void) {
if (_tx_enabled) {
enable_tx(false);
return true;
}
return false;
}
static void handle_response(GObex *obex, GError *err, GObexPacket *rsp)
{
struct pending_pkt *p = obex->pending_req;
gboolean disconn = err ? TRUE : FALSE, final_rsp = TRUE;
if (rsp != NULL)
final_rsp = parse_response(obex, rsp);
if (p->cancelled)
err = g_error_new(G_OBEX_ERROR, G_OBEX_ERROR_CANCELLED,
"The operation was cancelled");
if (err)
g_obex_debug(G_OBEX_DEBUG_ERROR, "%s", err->message);
if (p->rsp_func) {
p->rsp_func(obex, err, rsp, p->rsp_data);
/* Check if user callback removed the request */
if (p != obex->pending_req)
return;
}
if (p->cancelled)
g_error_free(err);
if (final_rsp) {
pending_pkt_free(p);
obex->pending_req = NULL;
}
if (!disconn && g_queue_get_length(obex->tx_queue) > 0)
enable_tx(obex);
}
void switch_to_tx(void)
{
//turn on tx
enable_tx();
//turn on UDRE interrupt
enable_udre_interrupt();
}
void g_obex_resume(GObex *obex)
{
g_obex_debug(G_OBEX_DEBUG_COMMAND, "conn %u", obex->conn_id);
obex->suspended = FALSE;
if (g_queue_get_length(obex->tx_queue) > 0 || obex->tx_data > 0)
enable_tx(obex);
}
void send_rx_buffer() {
rx.val.pID = SERVO_ADDR;
uint8_t cs1 = calculate_cs1();
rx.val.cs1 = (cs1 & 0xFE);
rx.val.cs2 = ((cs1 ^ 0xFF) & 0xFE);
enable_tx();
hwuart_tx(0xff); // sync
hwuart_tx(0xff);
uint8_t tosend = rx.val.size - 2;
for (uint8_t i=0; i < tosend; i++) {
hwuart_tx(rx.rawdata[i]);
}
hwuart_tx(0); // junk, just in case
disable_tx();
}
static gboolean g_obex_send_internal(GObex *obex, struct pending_pkt *p,
GError **err)
{
if (obex->io == NULL) {
g_set_error(err, G_OBEX_ERROR, G_OBEX_ERROR_DISCONNECTED,
"The transport is not connected");
g_obex_debug(G_OBEX_DEBUG_ERROR, "%s", (*err)->message);
return FALSE;
}
if (g_obex_packet_get_operation(p->pkt, NULL) == G_OBEX_OP_ABORT)
g_queue_push_head(obex->tx_queue, p);
else
g_queue_push_tail(obex->tx_queue, p);
if (obex->pending_req == NULL || p->id == 0)
enable_tx(obex);
return TRUE;
}
void main ( void )
{
ADI_ETHER_HANDLE hEthernet;
ADI_ETHER_RESULT etherResult;
ADI_ETHER_DEV_INIT EtherInitData[MAX_NETWORK_IF] = { { true, &memtable[0] }, { true, &memtable[1] }}; // data-cache,driver memory
uint32_t reg_data;
int i, nEtherDevUsed;
char *ether_stack_block;
ADI_GPIO_RESULT gpio_result;
uint32_t gpioMaxCallbacks;
int nRet;
/**
* Initialize managed drivers and/or services that have been added to
* the project.
* @return zero on success
*/
adi_initComponents();
/**
* The default startup code does not include any functionality to allow
* core 0 to enable core 1. A convenient way to enable core 1 is to use the
* 'adi_core_1_enable' function.
*/
adi_core_1_enable();
/* Begin adding your custom code here */
g_AuxiTMIsFirstUpdated = 1;
/* init CGU first time */
CGU_Init ( MULTIPLIER_SEL, CCLK_SEL, DDRCLK_SEL ); /* CCLK=16.384*iMultiplier /1 Mhz, 16.384*iMultiplier/iDDCLKSel Mhz DDR2 CLK */
#if defined(__DEBUG_FILE__)
/* open the debug file */
pDebugFile = fopen(__DEBUG_FILE_NAME__, "w");
if (pDebugFile == 0)
{
fclose(pDebugFile);
return;
}
#elif defined(__DEBUG_UART__)
Init_UART();
#endif
Init_PTPAuxin();
/* configures the switches */
#if BF609_EZ_BRD
DEBUG_STATEMENT ( "Configuring switches for the ethernet operation \n\n" );
ConfigSoftSwitches();
#endif
/* open ethernet device */
nEtherDevUsed = ( user_net_num_ifces > MAX_NETWORK_IF ) ? MAX_NETWORK_IF : user_net_num_ifces;
#if BF609_EZ_BRD
nEtherDevUsed = 1;
#endif
DEBUG_STATEMENT ( " init EMAC\n\n" );
for ( i = 0; i < nEtherDevUsed; i++ )
{
etherResult = adi_ether_Open ( g_pDevEntry[i], &EtherInitData[i], g_pEthCallBack[i], &hEthernet );
if ( etherResult != ADI_ETHER_RESULT_SUCCESS )
{
DEBUG_STATEMENT ( "adi_ether_Open: failed to open ethernet driver\n\n" );
return ;
}
g_hDev[i] = hEthernet;
/* get the mac address */
memcpy ( ( ( ADI_EMAC_DEVICE * ) hEthernet )->MacAddress, user_net_config_info[i].hwaddr, 6 );
/* allocate memory */
ether_stack_block = heap_malloc ( i+1, g_contEthHeapSize[i] );
if ( ether_stack_block == NULL )
{
DEBUG_PRINT ( " heap_malloc: in heap %d, failed to allocate memory to the stack \n\n" , i+1);
return ;
}
/* init buf mem */
nRet = InitBuff ( g_contEthHeapSize[i],
ether_stack_block, hEthernet,
&user_net_config_info[i] );
if( nRet<0 )
{
DEBUG_STATEMENT ( " InitBuff: failed to enable Init Buffs\n\n" );
return ;
}
/* Enable the MAC */
etherResult = adi_ether_EnableMAC ( hEthernet );
if ( etherResult != ADI_ETHER_RESULT_SUCCESS )
{
DEBUG_STATEMENT ( " adi_ether_EnableMAC: failed to enable EMAC\n\n" );
return ;
}
}
//enable EMAC INT
adi_int_EnableInt ( ( (ADI_EMAC_DEVICE *)g_hDev[0])->Interrupt, true);
adi_int_EnableInt ( ( (ADI_EMAC_DEVICE *)g_hDev[1])->Interrupt, true);
/* activate rx channel DMA */
enable_rx ( g_hDev[0] );
enable_rx ( g_hDev[1] );
/* activate tx channel DMA */
enable_tx ( g_hDev[0] );
enable_tx ( g_hDev[1] );
//enable emac0 tx,rx
enable_emac_tx_rx ( g_hDev[0] );
//enable emac1 tx,rx
enable_emac_tx_rx ( g_hDev[1] );
//enable
Enable_Time_Stamp_Auxin_Interrupt();
//
HandleLoop();
return ;
}//main
static ssize_t bladerf_write(struct file *file, const char *user_buf, size_t count, loff_t *ppos)
{
bladerf_device_t *dev;
unsigned long flags;
char *buf = NULL;
struct data_buffer *db = NULL;
unsigned int idx;
int reread;
int status = 0;
/* TODO truncate count to be within range of ssize_t here? */
dev = (bladerf_device_t *)file->private_data;
if (dev->intnum == 0) {
int llen;
buf = (char *)kmalloc(count, GFP_KERNEL);
if (buf) {
if (copy_from_user(buf, user_buf, count)) {
status = -EFAULT;
} else {
status = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), buf, count, &llen, BLADE_USB_TIMEOUT_MS);
}
kfree(buf);
} else {
dev_err(&dev->interface->dev, "Failed to allocate write buffer\n");
status = -ENOMEM;
}
if (status < 0)
return status;
else
return llen;
}
if (dev->writer) {
if (file != dev->writer) {
return -EPERM;
}
} else
dev->writer = file;
reread = atomic_read(&dev->data_out_used);
if (reread >= NUM_DATA_URB) {
status = wait_event_interruptible_timeout(dev->data_out_wait, atomic_read(&dev->data_out_used) < NUM_DATA_URB, 2 * HZ);
if (status < 0) {
return status;
} else if (status == 0) {
return -ETIMEDOUT;
}
}
spin_lock_irqsave(&dev->data_out_lock, flags);
idx = dev->data_out_producer_idx++;
dev->data_out_producer_idx &= (NUM_DATA_URB - 1);
db = &dev->data_out_bufs[idx];
atomic_inc(&dev->data_out_cnt);
atomic_inc(&dev->data_out_used);
spin_unlock_irqrestore(&dev->data_out_lock, flags);
if (copy_from_user(db->addr, user_buf, count)) {
return -EFAULT;
}
db->valid = 1; // mark this TX packet as having valid data
__submit_tx_urb(dev);
if (!dev->tx_en)
enable_tx(dev);
return count;
}
void restore_tx(bool last) {
if (last != _tx_enabled) {
enable_tx(last);
}
}