int can_register(FAR const char *path, FAR struct can_dev_s *dev)
{
int i;
/* Initialize the CAN device structure */
dev->cd_ocount = 0;
dev->cd_ntxwaiters = 0;
dev->cd_nrxwaiters = 0;
dev->cd_npendrtr = 0;
sem_init(&dev->cd_xmit.tx_sem, 0, 0);
sem_init(&dev->cd_recv.rx_sem, 0, 0);
sem_init(&dev->cd_closesem, 0, 1);
for (i = 0; i < CONFIG_CAN_NPENDINGRTR; i++)
{
sem_init(&dev->cd_rtr[i].cr_sem, 0, 0);
dev->cd_rtr[i].cr_msg = NULL;
}
/* Initialize/reset the CAN hardware */
dev_reset(dev);
/* Register the CAN device */
canvdbg("Registering %s\n", path);
return register_driver(path, &g_canops, 0666, dev);
}
static int pdev_reset(struct device *dev)
{
struct perf_device *pdev = dev_pdev(dev);
struct timeval t1, t2;
int rc;
assert(!gettimeofday(&t1, NULL));
rc = dev_reset(pdev->shadow_dev);
assert(!gettimeofday(&t2, NULL));
pdev->reset_count++;
pdev->reset_time_us += diff_timeval_us(&t1, &t2);
return rc;
}
/* Caller must guarantee that the left bock is good, and written. */
static int search_edge(struct device *dev,
uint64_t *pleft_pos, uint64_t right_pos,
const char *stamp_blk, char *probe_blk)
{
uint64_t gap = right_pos - *pleft_pos;
uint64_t prv_gap = gap + 1;
while (prv_gap > gap && gap >= 1) {
uint64_t a, b, max_idx;
if (write_test_blocks(dev, stamp_blk, *pleft_pos, right_pos,
&a, &b, &max_idx))
return true;
/* Reset. */
if (dev_reset(dev) && dev_reset(dev))
return true;
if (probe_test_blocks(dev, stamp_blk, probe_blk,
pleft_pos, &right_pos, a, b, max_idx))
return true;
prv_gap = gap;
gap = right_pos - *pleft_pos;
}
return false;
}
/* Return true if the block at @pos is damaged. */
static int test_block(struct device *dev,
const char *stamp_blk, char *probe_blk, uint64_t pos)
{
/* Write block. */
if (dev_write_block(dev, stamp_blk, pos) &&
dev_write_block(dev, stamp_blk, pos))
return true;
/* Reset. */
if (dev_reset(dev) && dev_reset(dev))
return true;
/*
* Test block.
*/
if (dev_read_block(dev, probe_blk, pos) &&
dev_read_block(dev, probe_blk, pos))
return true;
if (equal_blk(dev, stamp_blk, probe_blk))
return false;
/* Save time with certainly damaged blocks. */
if (!similar_blk(dev, stamp_blk, probe_blk, 8)) {
/* The probe block is damaged. */
return true;
}
/* The probe block seems to be damaged.
* Trying a second time...
*/
return dev_write_and_reset(dev, stamp_blk, pos) ||
dev_read_block(dev, probe_blk, pos) ||
!equal_blk(dev, stamp_blk, probe_blk);
}
/**
* Main function. Initializes the USB-device, parses commandline-parameters and
* calls the functions that communicate with the device.
* \param argc Number of arguments.
* \param argv Arguments.
* \return Error code.
*/
int main(int argc, char **argv)
{
usb_dev_handle *handle = NULL;
if (argc < 2) {
usage(argv[0]);
exit(1);
}
usb_init();
if (usbOpenDevice (&handle, USBDEV_SHARED_VENDOR, "www.schatenseite.de", USBDEV_SHARED_PRODUCT, "USB-LED-Fader") != 0) {
fprintf(stderr, "Could not find USB device \"USB-LED-Fader\" with vid=0x%x pid=0x%x\n", USBDEV_SHARED_VENDOR, USBDEV_SHARED_PRODUCT);
exit(1);
}
/* We have searched all devices on all busses for our USB device above. Now
* try to open it and perform the vendor specific control operations for the
* function requested by the user.
*/
if (strcmp(argv[1], "test") == 0) {
dev_test(handle, argc, argv);
} else if (strcmp(argv[1], "set") == 0) {
dev_set(handle, argc, argv);
} else if (strcmp(argv[1], "clear") == 0) {
dev_clear(handle, argc, argv);
} else if (strcmp(argv[1], "status") == 0) {
dev_status(handle, argc, argv);
} else if (strcmp(argv[1], "reset") == 0) {
dev_reset(handle, argc, argv);
} else if (strcmp(argv[1], "show") == 0) {
dev_show(handle, argc, argv);
} else {
usage(argv[0]);
exit(1);
}
usb_close(handle);
return 0;
}
int loop_socket_handle(int socket, int tt_ms)
{
unsigned char outhexbuf[ONE_TCP_MAX_LEN] = {0};
PRO *pro = (PRO*)malloc(sizeof(PRO));
memset(pro, 0, sizeof(PRO));
pro->payload = (unsigned char*)malloc(ONLINE_MAX_LEN);
memset(pro->payload, 0, (ONLINE_MAX_LEN));
int ret = 0;
int login_ok = 0;
unsigned int sendseq = 0;
int outinx = 0;
int hexlen = 0;
MACH_STAT stat = IDLE;
while(1) {
debug(LOG_NOTICE, "stat=%d,login_flag=%d,outinx=%d,last_cmd=%04x,last_recv_ret=%d,dev_work_status=%d\n",
stat,login_ok,outinx,pro->hd.cmd,ret,dev_work_status);
switch(stat) {
case IDLE:
//sleep_intp_s(5); //will block tcp recving
break;
case TO_LOGIN:
memset(&pro->hd, 0, sizeof(PRO_HD));
memset(pro->payload, 0, (ONLINE_MAX_LEN));
send_login_info(socket, pro, sendseq++);
break;
case TO_DEVSTATUS:
//recv_uart();
//send_dev_data();
if(glb_cfg.glb_sock != socket)
glb_cfg.glb_sock = socket; // uart thread will write glb_sock directly.
break;
case TO_WORKSTATUS:
memset(pro->payload, 0, (ONLINE_MAX_LEN));
if(dev_work_status == E_DEV_TAKEUP) {
send_busy_info(socket, pro, dev_work_status, sendseq++);
} else {
send_status_info(socket, pro, dev_work_status, sendseq++);
}
stat = IDLE;
break;
case TO_RESPSTATUS:
memset(pro->payload, 0, (ONLINE_MAX_LEN));
response_status_info(socket, pro, dev_work_status, sendseq++);
stat = IDLE;
break;
case TO_HEART:
memset(&pro->hd, 0, sizeof(PRO_HD));
send_heart_info(socket, &pro->hd, sendseq++);
if(outinx++ > HEART_EXIT_COUNT)
goto EXIT_ERR;
else
stat = IDLE;
break;
case TO_RESP:
//for testing;all back
pro->hd.stat = PRO_RSP;
memset(outhexbuf, 0, sizeof(outhexbuf));
hexlen = 0;
pro_pro2hexbuf(pro,outhexbuf,&hexlen);
send(socket, outhexbuf, hexlen, sendseq++);
debug(LOG_DEBUG, "Send Resp Len:%d\n",hexlen);
stat = IDLE;
break;
case NET_DISCONN:
goto EXIT_ERR;
break;
default:
break;
}
//memset(pro, 0, sizeof(PRO)); //NOTE***: will init payload as NULL; this will cause crash!!!
memset(&pro->hd, 0, sizeof(PRO_HD));
memset(pro->payload, 0, (ONLINE_MAX_LEN));
ret = socket_recv_tt(socket, pro, tt_ms);
if(ret == 0) {
// timeout
if(!login_ok) {
stat = TO_LOGIN;
} else {
stat = TO_HEART;
}
} else if(ret < 0) {
// socket error
goto EXIT_ERR;
} else if( (ret != sizeof(PRO_HD)) &&
(ret != sizeof(PRO_HD)+pro->hd.len) ) {
debug(LOG_NOTICE, "Recv Length %d Error!\n",ret);
continue;
} else {
// handle data...
switch(pro->hd.cmd) {
case IDM_DEV_LOGIN:
debug(LOG_NOTICE, "---< server back: login\n");
login_ok = 1;
if(dev_work_status != E_DEV_TAKEUP)
dev_work_status = E_DEV_ONLINE;
stat = TO_DEVSTATUS;
break;
case IDM_DEV_HEART:
debug(LOG_NOTICE, "---< server back: heart\n");
outinx = 0;
break;
case IDM_GETDEV:
debug(LOG_NOTICE, "---< server cmd: get dev\n");
stat = TO_RESPSTATUS;
break;
/* for response testing */
case 0xfffe:
debug(LOG_NOTICE, "---< server cmd: test response\n");
stat = TO_RESP;
break;
case IDM_TAKEUPDEV:
case IDM_RELEASEDEV:
case IDM_RESET:
case IDM_DOSTART:
case IDM_DOSTOP:
case IDM_SETPARS:
case IDM_DELPARS:
if(0 == memcmp(taskid, pro->payload+32, 32)) {
break;
} else {
if(dev_work_status == E_DEV_TAKEUP) {
debug(LOG_WARNING, "---< server taskid is not correct!\n");
stat = TO_WORKSTATUS;
continue;
} else {
/* Firstly takeup device */
break;
}
}
default:
debug(LOG_ERR, "==== Handle: Unknow Server CMD 0x%02x\n", pro->hd.cmd);
continue;
}
switch(pro->hd.cmd) {
/* handle at local */
case IDM_TAKEUPDEV:
debug(LOG_NOTICE, "---< server cmd: takeup dev\n");
dev_work_status = E_DEV_TAKEUP;
stat = TO_WORKSTATUS;
memcpy(taskid, pro->payload+32, sizeof(taskid)); /* skip devid 32*/
break;
case IDM_RELEASEDEV:
debug(LOG_NOTICE, "---< server cmd: release dev\n");
dev_work_status = E_DEV_ONLINE;
stat = TO_WORKSTATUS;
memset(taskid, 0, sizeof(taskid));
break;
/* send to uart */
case IDM_RESET:
debug(LOG_NOTICE, "---< server cmd: reset dev\n");
dev_work_status = E_DEV_ONLINE;
stat = TO_WORKSTATUS;
/* stop and clear */
dev_reset(pro->payload, pro->hd.len);
break;
case IDM_DOSTART:
debug(LOG_NOTICE, "---< server cmd: start dev\n");
glb_cfg.rsp_cmd_type = SVR_NEED_TASK_RET;
glb_cfg.rsp_cmd_type |= SVR_NEED_TASK_PERCT;
/* only send payload to uart */
ret = dev_start(pro->payload, pro->hd.len);
debug(LOG_DEBUG, "---Send To Com ret %d\n",ret);
break;
case IDM_DOSTOP:
debug(LOG_NOTICE, "---< server cmd: stop dev\n");
glb_cfg.rsp_cmd_type = SVR_NEED_TASK_RET;
/* only send payload to uart */
ret = dev_stop(pro->payload, pro->hd.len);
debug(LOG_DEBUG, "---Send To Com ret %d\n",ret);
break;
case IDM_SETPARS:
debug(LOG_NOTICE, "---< server cmd: set params dev\n");
/* only send params to uart */
ret = dev_setpar(pro->payload+64+2, (pro->hd.len-66)>0?(pro->hd.len-66):0);
debug(LOG_DEBUG, "---Send To Com ret %d\n",ret);
break;
case IDM_DELPARS:
debug(LOG_NOTICE, "---< server cmd: del params\n");
/* only send payload to uart */
ret = dev_clrpar(pro->payload, pro->hd.len);
debug(LOG_DEBUG, "---Send To Com ret %d\n",ret);
break;
}
}
continue;
} /* end while(1) */
EXIT_ERR:
debug(LOG_NOTICE, "<--- Socket recv out!\n");
glb_cfg.glb_sock = -1;
glb_cfg.rsp_cmd_type = 0;
if(socket > 0) close(socket);
if(pro && pro->payload) {
free(pro->payload);
free(pro);
}
return -1;
}
void uaeserialdev_reset (void)
{
if (!currprefs.uaeserial)
return;
dev_reset ();
}
void netdev_reset (void)
{
if (!currprefs.sana2)
return;
dev_reset ();
}
void scsidev_reset (void)
{
if (!currprefs.scsi)
return;
dev_reset ();
}
static int sdev_reset(struct device *dev)
{
return dev_reset(dev_sdev(dev)->shadow_dev);
}