usb_prop.s79

用于监视I2C通信总线

//   82 

        RSEG DATA_I:DATA:SORT:NOROOT(2)
//   83 ONE_DESCRIPTOR Config_Descriptor =
Config_Descriptor:
        DS8 8
        REQUIRE `?<Initializer for Config_Descriptor>`
//   84   {
//   85     (u8*)Virtual_Com_Port_ConfigDescriptor,
//   86     VIRTUAL_COM_PORT_SIZ_CONFIG_DESC
//   87   };
//   88 

        RSEG DATA_I:DATA:SORT:NOROOT(2)
//   89 ONE_DESCRIPTOR String_Descriptor[4] =
String_Descriptor:
        DS8 32
        REQUIRE `?<Initializer for String_Descriptor>`
//   90   {
//   91     {(u8*)Virtual_Com_Port_StringLangID, VIRTUAL_COM_PORT_SIZ_STRING_LANGID},
//   92     {(u8*)Virtual_Com_Port_StringVendor, VIRTUAL_COM_PORT_SIZ_STRING_VENDOR},
//   93     {(u8*)Virtual_Com_Port_StringProduct, VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT},
//   94     {(u8*)Virtual_Com_Port_StringSerial, VIRTUAL_COM_PORT_SIZ_STRING_SERIAL}
//   95   };
//   96 
//   97 /* Extern variables ----------------------------------------------------------*/
//   98 /* Private function prototypes -----------------------------------------------*/
//   99 /* Extern function prototypes ------------------------------------------------*/
//  100 /* Private functions ---------------------------------------------------------*/
//  101 /*******************************************************************************
//  102 * Function Name  : Virtual_Com_Port_init.
//  103 * Description    : Virtual COM Port Mouse init routine.
//  104 * Input          : None.
//  105 * Output         : None.
//  106 * Return         : None.
//  107 *******************************************************************************/

        RSEG CODE:CODE:NOROOT(2)
        CFI Block cfiBlock0 Using cfiCommon0
        CFI Function Virtual_Com_Port_init
        THUMB
//  108 void Virtual_Com_Port_init(void)
//  109 {
Virtual_Com_Port_init:
        PUSH     {R4,LR}
        CFI ?RET Frame(CFA, -4)
        CFI R4 Frame(CFA, -8)
        CFI CFA R13+8
//  110 
//  111   /* Update the serial number string descriptor with the data from the unique
//  112   ID*/
//  113   Get_SerialNum();
        _BLF     Get_SerialNum,??Get_SerialNum??rT
//  114 
//  115   pInformation->Current_Configuration = 0;
        LDR.N    R0,??DataTable13  ;; pInformation
        MOVS     R4,#+0
        LDR      R0,[R0, #+0]
        STRB     R4,[R0, #+10]
//  116 
//  117   /* Connect the device */
//  118   PowerOn();
        _BLF     PowerOn,??PowerOn??rT
//  119   /* USB interrupts initialization */
//  120   /* clear pending interrupts */
//  121   _SetISTR(0);
        LDR.N    R0,??Virtual_Com_Port_init_0  ;; 0x40005c44
//  122   wInterrupt_Mask = IMR_MSK;
        LDR.N    R1,??Virtual_Com_Port_init_0+0x4  ;; wInterrupt_Mask
        STR      R4,[R0, #+0]
        MOVS     R0,#+34304
        STRH     R0,[R1, #+0]
//  123   /* set interrupts mask */
//  124   _SetCNTR(wInterrupt_Mask);
        LDR.N    R1,??Virtual_Com_Port_init_0+0x8  ;; 0x40005c40
        STR      R0,[R1, #+0]
//  125 
//  126   /* configure the USART 1 to the default settings */
//  127   USART_Config_Default();
        _BLF     USART_Config_Default,??USART_Config_Default??rT
//  128 
//  129   bDeviceState = UNCONNECTED;
        LDR.N    R0,??DataTable5  ;; bDeviceState
        STR      R4,[R0, #+0]
//  130 }
        POP      {R4,PC}          ;; return
        DATA
??Virtual_Com_Port_init_0:
        DC32     0x40005c44
        DC32     wInterrupt_Mask
        DC32     0x40005c40
        CFI EndBlock cfiBlock0
//  131 
//  132 /*******************************************************************************
//  133 * Function Name  : Virtual_Com_Port_Reset
//  134 * Description    : Virtual_Com_Port Mouse reset routine
//  135 * Input          : None.
//  136 * Output         : None.
//  137 * Return         : None.
//  138 *******************************************************************************/

        RSEG CODE:CODE:NOROOT(2)
        CFI Block cfiBlock1 Using cfiCommon0
        CFI Function Virtual_Com_Port_Reset
        THUMB
//  139 void Virtual_Com_Port_Reset(void)
//  140 {
//  141   /* Set Virtual_Com_Port DEVICE as not configured */
//  142   pInformation->Current_Configuration = 0;
Virtual_Com_Port_Reset:
        LDR.N    R1,??DataTable13  ;; pInformation
//  143 
//  144   /* Current Feature initialization */
//  145   pInformation->Current_Feature = Virtual_Com_Port_ConfigDescriptor[7];
        LDR.N    R3,??Virtual_Com_Port_Reset_0  ;; Virtual_Com_Port_ConfigDescriptor + 7
        PUSH     {LR}
        CFI ?RET Frame(CFA, -4)
        CFI CFA R13+4
        LDR      R2,[R1, #+0]
        MOVS     R0,#+0
        STRB     R0,[R2, #+10]
        LDR      R2,[R1, #+0]
        LDRB     R3,[R3, #+0]
        STRB     R3,[R2, #+9]
//  146 
//  147   /* Set Virtual_Com_Port DEVICE with the default Interface*/
//  148   pInformation->Current_Interface = 0;
        LDR      R1,[R1, #+0]
        STRB     R0,[R1, #+11]
//  149   SetBTABLE(BTABLE_ADDRESS);
        _BLF     SetBTABLE,??SetBTABLE??rT
//  150 
//  151   /* Initialize Endpoint 0 */
//  152   SetEPType(ENDP0, EP_CONTROL);
        MOVS     R1,#+512
        MOVS     R0,#+0
        _BLF     SetEPType,??SetEPType??rT
//  153   SetEPTxStatus(ENDP0, EP_TX_STALL);
        MOVS     R1,#+16
        MOVS     R0,#+0
        _BLF     SetEPTxStatus,??SetEPTxStatus??rT
//  154   SetEPRxAddr(ENDP0, ENDP0_RXADDR);
        MOVS     R1,#+64
        MOVS     R0,#+0
        _BLF     SetEPRxAddr,??SetEPRxAddr??rT
//  155   SetEPTxAddr(ENDP0, ENDP0_TXADDR);
        MOVS     R1,#+128
        MOVS     R0,#+0
        _BLF     SetEPTxAddr,??SetEPTxAddr??rT
//  156   Clear_Status_Out(ENDP0);
        MOVS     R0,#+0
        _BLF     Clear_Status_Out,??Clear_Status_Out??rT
//  157   SetEPRxCount(ENDP0, Device_Property.MaxPacketSize);
        LDR.N    R0,??Virtual_Com_Port_Reset_0+0x4  ;; Device_Property + 44
        LDRB     R1,[R0, #+0]
        MOVS     R0,#+0
        _BLF     SetEPRxCount,??SetEPRxCount??rT
//  158   SetEPRxValid(ENDP0);
        MOVS     R0,#+0
        _BLF     SetEPRxValid,??SetEPRxValid??rT
//  159 
//  160   /* Initialize Endpoint 1 */
//  161   SetEPType(ENDP1, EP_BULK);
        MOVS     R1,#+0
        MOVS     R0,#+1
        _BLF     SetEPType,??SetEPType??rT
//  162   SetEPTxAddr(ENDP1, ENDP1_TXADDR);
        MOVS     R1,#+192
        MOVS     R0,#+1
        _BLF     SetEPTxAddr,??SetEPTxAddr??rT
//  163   SetEPTxStatus(ENDP1, EP_TX_NAK);
        MOVS     R1,#+32
        MOVS     R0,#+1
        _BLF     SetEPTxStatus,??SetEPTxStatus??rT
//  164   SetEPRxStatus(ENDP1, EP_RX_DIS);
        MOVS     R1,#+0
        MOVS     R0,#+1
        _BLF     SetEPRxStatus,??SetEPRxStatus??rT
//  165 
//  166   /* Initialize Endpoint 2 */
//  167   SetEPType(ENDP2, EP_INTERRUPT);
        MOVS     R1,#+1536
        MOVS     R0,#+2
        _BLF     SetEPType,??SetEPType??rT
//  168   SetEPTxAddr(ENDP2, ENDP2_TXADDR);
        LDR.N    R1,??Virtual_Com_Port_Reset_0+0x8  ;; 0x1bf
        MOVS     R0,#+2
        _BLF     SetEPTxAddr,??SetEPTxAddr??rT
//  169   SetEPRxStatus(ENDP2, EP_RX_DIS);
        MOVS     R1,#+0
        MOVS     R0,#+2
        _BLF     SetEPRxStatus,??SetEPRxStatus??rT
//  170   SetEPTxStatus(ENDP2, EP_TX_NAK);
        MOVS     R1,#+32
        MOVS     R0,#+2
        _BLF     SetEPTxStatus,??SetEPTxStatus??rT
//  171 
//  172   /* Initialize Endpoint 3 */
//  173   SetEPType(ENDP3, EP_BULK);
        MOVS     R1,#+0
        MOVS     R0,#+3
        _BLF     SetEPType,??SetEPType??rT
//  174   SetEPRxAddr(ENDP3, ENDP3_RXADDR);
        LDR.N    R1,??Virtual_Com_Port_Reset_0+0xC  ;; 0x1cf
        MOVS     R0,#+3
        _BLF     SetEPRxAddr,??SetEPRxAddr??rT
//  175   SetEPRxCount(ENDP3, VIRTUAL_COM_PORT_DATA_SIZE);
        MOVS     R1,#+255
        MOVS     R0,#+3
        _BLF     SetEPRxCount,??SetEPRxCount??rT
//  176   SetEPRxStatus(ENDP3, EP_RX_VALID);
        MOVS     R1,#+12288
        MOVS     R0,#+3
        _BLF     SetEPRxStatus,??SetEPRxStatus??rT
//  177   SetEPTxStatus(ENDP3, EP_TX_DIS);
        MOVS     R1,#+0
        MOVS     R0,#+3
        _BLF     SetEPTxStatus,??SetEPTxStatus??rT
//  178 
//  179   /* Set this device to response on default address */
//  180   SetDeviceAddress(0);
        MOVS     R0,#+0
        _BLF     SetDeviceAddress,??SetDeviceAddress??rT
//  181 
//  182   bDeviceState = ATTACHED;
        LDR.N    R0,??DataTable5  ;; bDeviceState
        MOVS     R1,#+1
        STR      R1,[R0, #+0]
//  183 }
        POP      {PC}             ;; return
        DATA
??Virtual_Com_Port_Reset_0:
        DC32     Virtual_Com_Port_ConfigDescriptor + 7
        DC32     Device_Property + 44
        DC32     0x1bf
        DC32     0x1cf
        CFI EndBlock cfiBlock1
//  184 
//  185 /*******************************************************************************
//  186 * Function Name  : Virtual_Com_Port_SetConfiguration.
//  187 * Description    : Udpade the device state to configured.
//  188 * Input          : None.
//  189 * Output         : None.
//  190 * Return         : None.
//  191 *******************************************************************************/

        RSEG CODE:CODE:NOROOT(2)
        CFI Block cfiBlock2 Using cfiCommon0
        CFI Function Virtual_Com_Port_SetConfiguration
        THUMB
//  192 void Virtual_Com_Port_SetConfiguration(void)
//  193 {
//  194   DEVICE_INFO *pInfo = &Device_Info;
//  195 
//  196   if (pInfo->Current_Configuration != 0)
Virtual_Com_Port_SetConfiguration:
        LDR.N    R0,??Virtual_Com_Port_SetConfiguration_0  ;; Device_Info + 10
        LDRB     R0,[R0, #+0]
        CBZ      R0,??Virtual_Com_Port_SetConfiguration_1
//  197   {
//  198     /* Device configured */
//  199     bDeviceState = CONFIGURED;
        LDR.N    R0,??DataTable5  ;; bDeviceState
        MOVS     R1,#+5
        STR      R1,[R0, #+0]
//  200   }
//  201 }
??Virtual_Com_Port_SetConfiguration_1:
        BX       LR               ;; return
        Nop      
        DATA
??Virtual_Com_Port_SetConfiguration_0:
        DC32     Device_Info + 10
        CFI EndBlock cfiBlock2
//  202 
//  203 /*******************************************************************************
//  204 * Function Name  : Virtual_Com_Port_SetConfiguration.
//  205 * Description    : Udpade the device state to addressed.
//  206 * Input          : None.
//  207 * Output         : None.
//  208 * Return         : None.
//  209 *******************************************************************************/

        RSEG CODE:CODE:NOROOT(2)
        CFI Block cfiBlock3 Using cfiCommon0
        CFI Function Virtual_Com_Port_SetDeviceAddress
        THUMB
//  210 void Virtual_Com_Port_SetDeviceAddress (void)
//  211 {
//  212   bDeviceState = ADDRESSED;
Virtual_Com_Port_SetDeviceAddress:
        LDR.N    R0,??DataTable5  ;; bDeviceState
        MOVS     R1,#+4
        STR      R1,[R0, #+0]
//  213 }
        BX       LR               ;; return
        CFI EndBlock cfiBlock3

        RSEG CODE:CODE:NOROOT(2)
        DATA
??DataTable5:
        DC32     bDeviceState
//  214 
//  215 /*******************************************************************************
//  216 * Function Name  : Virtual_Com_Port_Status_In.
//  217 * Description    : Virtual COM Port Status In Routine.
//  218 * Input          : None.
//  219 * Output         : None.
//  220 * Return         : None.
//  221 *******************************************************************************/

        RSEG CODE:CODE:NOROOT(2)
        CFI Block cfiBlock4 Using cfiCommon0
        CFI Function Virtual_Com_Port_Status_In
        THUMB
//  222 void Virtual_Com_Port_Status_In(void)
//  223 {
Virtual_Com_Port_Status_In:
        PUSH     {R4,LR}
        CFI ?RET Frame(CFA, -4)
        CFI R4 Frame(CFA, -8)
        CFI CFA R13+8
//  224   if (Request == SET_LINE_CODING)
        LDR.N    R4,??DataTable8  ;; Request
        LDRB     R0,[R4, #+0]
        CMP      R0,#+32
        BNE.N    ??Virtual_Com_Port_Status_In_0
//  225   {
//  226     USART_Config();
        _BLF     USART_Config,??USART_Config??rT
//  227     Request = 0;