1: uhs_status_t Usbh_Cdc_SendBreak(
void* pContext,
2:
PCDC_SEND_BREAK pstData)
3: {
4:
PCDC_DEVICE pCdcDevice;
5: usb_device_request_t* pRequest;
6: CDC_FUNC_STATUS nRetval;
7: uhs_ubit8_t u8CntDeviceId;
8: uhs_status_t nRetStatus;
9: uhs_status_t nRetvalResorce;
10:
11:
12:
13:
14:
if( pContext == NULL ){
15: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_SYS_PARAM_ERROR );
16:
return(
USBCDC_API_PARAM_ERROR );
17: }
18:
19:
20:
21:
22:
if( g_pCdcDriver == NULL ) {
23: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_NOT_INIT );
24:
return(
USBCDC_API_SYS_SYSTEM_ERROR );
25: }
26:
27:
28:
29:
30:
31: nRetStatus = Usbh_Cdc_CheckDeviceStatus(pContext, &pCdcDevice, &u8CntDeviceId, ID_CLSREQ_DET);
32:
if(nRetStatus !=
USBCDC_API_SUCCESS){
33: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_SYS_SYSTEM_ERROR );
34:
return(nRetStatus);
35: }
36:
37:
38:
39:
40:
if(pstData == NULL) {
41:
42:
43: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
44: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_SYS_PARAM_ERROR );
45:
return(
USBCDC_API_PARAM_ERROR );
46: }
47:
48:
49:
50:
51:
if( (pCdcDevice->nDeviceStat == CDC_DEVICE_STAT_CONNECTING) ||
52: (pCdcDevice->nDeviceStat == CDC_DEVICE_STAT_REGIST) ) {
53:
54:
55: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
56: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_NOT_USE );
57:
return(
USBCDC_API_NOT_READY );
58: }
59:
else if( pCdcDevice->nDeviceStat == CDC_DEVICE_STAT_NO_SUPPORT ) {
60:
61:
62: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
63: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_NO_SUPPORT );
64:
return(
USBCDC_API_NO_SUPPORT );
65: }
66:
else {
67: ;
68: }
69:
70:
71:
72:
73: pRequest = CdcUtils_Malloc(
sizeof(usb_device_request_t));
74:
if(pRequest == NULL) {
75: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
76: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_SYS_OUT_OF_RESOURCE );
77:
return(
USBCDC_API_SYS_OUT_OF_RESOURCE );
78: }
79:
80:
81:
82:
83: pRequest->bmRequestType = 0x21;
84: pRequest->bRequest = 0x23;
85: pRequest->wValue0 = UNPACK16_LITTLE_ENDIAN_LSB( pstData->u16Data );
86: pRequest->wValue1 = UNPACK16_LITTLE_ENDIAN_MSB( pstData->u16Data );
87: pRequest->wIndex0 = 0x00;
88: pRequest->wIndex1 = 0x00;
89: pRequest->wLength0 = UNPACK16_LITTLE_ENDIAN_LSB( 0x0000 );
90: pRequest->wLength1 = UNPACK16_LITTLE_ENDIAN_MSB( 0x0000 );
91:
92:
93:
94:
95: nRetval = Usbh_Cdc_ForCommand(pCdcDevice, pRequest, NULL, NULL);
96:
if(nRetval != CDC_FUNC_STATUS_SUCCESS){
97: CdcUtils_Free(pRequest);
98:
99:
100: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
101: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_FAILED_CLSREQ );
102:
return(
USBCDC_API_TRANS_CLSREQ_FAILED );
103: }
104:
105:
106:
107:
108: CdcUtils_Free(pRequest);
109:
110:
111:
112:
113: nRetvalResorce = CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
114:
if(nRetvalResorce != TRUE){
115:
116: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_SYS_OUT_OF_RESOURCE );
117:
return(
USBCDC_API_SYS_OUT_OF_RESOURCE );
118: }
119:
120:
return(
USBCDC_API_SUCCESS );
121: }