1: uhs_status_t Usbh_Cdc_SetControlLineState(
void* pContext,
2:
PCDC_CONTROL_LINE_STATE 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:
if( pstData->u16Data > 3 ) {
48:
49:
50: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
51: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_SYS_PARAM_ERROR );
52:
return(
USBCDC_API_PARAM_ERROR );
53: }
54:
55:
56:
57:
58:
if( (pCdcDevice->nDeviceStat == CDC_DEVICE_STAT_CONNECTING) ||
59: (pCdcDevice->nDeviceStat == CDC_DEVICE_STAT_REGIST) ) {
60:
61:
62: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
63: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_NOT_USE );
64:
return(
USBCDC_API_NOT_READY );
65: }
66:
else if( pCdcDevice->nDeviceStat == CDC_DEVICE_STAT_NO_SUPPORT ) {
67:
68:
69: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
70: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_NO_SUPPORT );
71:
return(
USBCDC_API_NO_SUPPORT );
72: }
73:
else {
74: ;
75: }
76:
77:
78:
79:
80: pRequest = CdcUtils_Malloc(
sizeof(usb_device_request_t));
81:
if(pRequest == NULL) {
82: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
83: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_SYS_OUT_OF_RESOURCE );
84:
return(
USBCDC_API_SYS_OUT_OF_RESOURCE );
85: }
86:
87:
88:
89:
90: pRequest->bmRequestType = 0x21;
91: pRequest->bRequest = 0x22;
92: pRequest->wValue0 = UNPACK16_LITTLE_ENDIAN_LSB( pstData->u16Data );
93: pRequest->wValue1 = UNPACK16_LITTLE_ENDIAN_MSB( pstData->u16Data );
94: pRequest->wIndex0 = 0x00;
95: pRequest->wIndex1 = 0x00;
96: pRequest->wLength0 = UNPACK16_LITTLE_ENDIAN_LSB( 0x0000 );
97: pRequest->wLength1 = UNPACK16_LITTLE_ENDIAN_MSB( 0x0000 );
98:
99:
100:
101:
102: nRetval = Usbh_Cdc_ForCommand(pCdcDevice, pRequest, NULL, NULL);
103:
if(nRetval != CDC_FUNC_STATUS_SUCCESS){
104: CdcUtils_Free(pRequest);
105:
106:
107: (
void)CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
108: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_FAILED_CLSREQ );
109:
return(
USBCDC_API_TRANS_CLSREQ_FAILED );
110: }
111:
112:
113:
114:
115: CdcUtils_Free(pRequest);
116:
117:
118:
119:
120: nRetvalResorce = CdcUtils_ReleaseSemaphore( g_pCdcDriver->pClsReqDetAccessLock[u8CntDeviceId] );
121:
if(nRetvalResorce != TRUE){
122:
123: CIAPI_CDC_REPORT_SUMMARY( USBCDC_LOG_SYS_OUT_OF_RESOURCE );
124:
return(
USBCDC_API_SYS_OUT_OF_RESOURCE );
125: }
126:
127:
return(
USBCDC_API_SUCCESS );
128: }