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Clean up CCID class driver and associated demos.
[pub/USBasp.git] / Demos / Device / LowLevel / CCID / CCID.c
diff --git a/Demos/Device/LowLevel/CCID/CCID.c b/Demos/Device/LowLevel/CCID/CCID.c
index e556513..6e37216 100644 (file)
--- a/Demos/Device/LowLevel/CCID/CCID.c
+++ b/Demos/Device/LowLevel/CCID/CCID.c
@@ -52,21 +52,21 @@
 
 static bool    Aborted;
 static uint8_t AbortedSeq;
 
 static bool    Aborted;
 static uint8_t AbortedSeq;
-static USB_CCID_ProtocolData_T0_t ProtocolData;
-
 
 
+static USB_CCID_ProtocolData_T0_t ProtocolData =
+       {
+               .FindexDindex     = 0x11,
+               .TCCKST0          = 0x00,
+               .GuardTimeT0      = 0x00,
+               .WaitingIntegerT0 = 0x0A,
+               .ClockStop        = 0x00,
+       };
 
 /** Main program entry point. This routine configures the hardware required by the application, then
  *  enters a loop to run the application tasks in sequence.
  */
 int main(void)
 {
 
 /** Main program entry point. This routine configures the hardware required by the application, then
  *  enters a loop to run the application tasks in sequence.
  */
 int main(void)
 {
-       ProtocolData.FindexDindex = 0x11;
-       ProtocolData.TCCKST0 = 0x00;
-       ProtocolData.GuardTimeT0 = 0x00;
-       ProtocolData.WaitingIntegerT0 = 0x0A;
-       ProtocolData.ClockStop = 0x00;
-
        SetupHardware();
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
        SetupHardware();
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
@@ -175,6 +175,7 @@ void EVENT_USB_Device_ControlRequest(void)
 
                        break;
                }
 
                        break;
                }
+
                case CCID_GET_CLOCK_FREQUENCIES:
                {
                        if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
                case CCID_GET_CLOCK_FREQUENCIES:
                {
                        if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
@@ -186,6 +187,7 @@ void EVENT_USB_Device_ControlRequest(void)
 
                        break;
                }
 
                        break;
                }
+
                case CCID_GET_DATA_RATES:
                {
                        if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
                case CCID_GET_DATA_RATES:
                {
                        if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
@@ -204,21 +206,21 @@ void EVENT_USB_Device_ControlRequest(void)
  *  whenever an application at the host wants to send a power off signal to a slot.
  *  THe slot must reply back with a recognizable ATR (answer to reset)
  */
  *  whenever an application at the host wants to send a power off signal to a slot.
  *  THe slot must reply back with a recognizable ATR (answer to reset)
  */
-uint8_t CCID_IccPowerOn(uint8_t slot,
-                                               uint8_t* const atr,
-                                               uint8_t* const atrLength,
-                        uint8_t* const error)
+uint8_t CCID_IccPowerOn(uint8_t Slot,
+                                               uint8_t* const Atr,
+                                               uint8_t* const AtrLength,
+                        uint8_t* const Error)
 {
 {
-       if (slot == 0)
+       if (Slot == 0)
        {
        {
-               Iso7816_CreateSimpleAtr(atr, atrLength);
+               Iso7816_CreateSimpleAtr(Atr, AtrLength);
 
 
-               *error = CCID_ERROR_NO_ERROR;
+               *Error = CCID_ERROR_NO_ERROR;
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else
        {
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else
        {
-               *error = CCID_ERROR_SLOT_NOT_FOUND;
+               *Error = CCID_ERROR_SLOT_NOT_FOUND;
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
@@ -226,17 +228,17 @@ uint8_t CCID_IccPowerOn(uint8_t slot,
 /** Event handler for the CCID_PC_to_RDR_IccPowerOff message. This message is sent to the device
  *  whenever an application at the host wants to send a power off signal to a slot.
  */
 /** Event handler for the CCID_PC_to_RDR_IccPowerOff message. This message is sent to the device
  *  whenever an application at the host wants to send a power off signal to a slot.
  */
-uint8_t CCID_IccPowerOff(uint8_t slot,
-                         uint8_t* const error)
+uint8_t CCID_IccPowerOff(uint8_t Slot,
+                         uint8_t* const Error)
 {
 {
-       if (slot == 0)
+       if (Slot == 0)
        {
        {
-               *error = CCID_ERROR_NO_ERROR;
+               *Error = CCID_ERROR_NO_ERROR;
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_NOICCPRESENT;
        }
        else
        {
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_NOICCPRESENT;
        }
        else
        {
-               *error = CCID_ERROR_SLOT_NOT_FOUND;
+               *Error = CCID_ERROR_SLOT_NOT_FOUND;
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
@@ -245,65 +247,65 @@ uint8_t CCID_IccPowerOff(uint8_t slot,
  *  the device whenever an application at the host wants to get the current
  *  slot status.
  */
  *  the device whenever an application at the host wants to get the current
  *  slot status.
  */
-uint8_t CCID_GetSlotStatus(uint8_t slot,
-                           uint8_t* const error)
+uint8_t CCID_GetSlotStatus(uint8_t Slot,
+                           uint8_t* const Error)
 {
 {
-       if (slot == 0)
+       if (Slot == 0)
        {
        {
-               *error = CCID_ERROR_NO_ERROR;
+               *Error = CCID_ERROR_NO_ERROR;
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else
        {
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else
        {
-               *error = CCID_ERROR_SLOT_NOT_FOUND;
+               *Error = CCID_ERROR_SLOT_NOT_FOUND;
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
+
 /** Event handler for the CCID_PC_to_RDR_SetParameters when T=0. This message is sent to
  *  the device whenever an application at the host wants to set the
  *  parameters for a given slot.
  */
 /** Event handler for the CCID_PC_to_RDR_SetParameters when T=0. This message is sent to
  *  the device whenever an application at the host wants to set the
  *  parameters for a given slot.
  */
-uint8_t CCID_SetParameters_T0(uint8_t slot,
-                           uint8_t* const error,
-                           USB_CCID_ProtocolData_T0_t* const t0)
+uint8_t CCID_SetParameters_T0(uint8_t Slot,
+                              uint8_t* const Error,
+                              USB_CCID_ProtocolData_T0_t* const T0)
 {
 {
-       if (slot == 0)
+       if (Slot == 0)
        {
        {
-               //set parameters
-               memcpy(&ProtocolData, t0, sizeof(USB_CCID_ProtocolData_T0_t));
-               
-               *error = CCID_ERROR_NO_ERROR;
+               // Set parameters
+               memcpy(&ProtocolData, T0, sizeof(USB_CCID_ProtocolData_T0_t));
+
+               *Error = CCID_ERROR_NO_ERROR;
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else
        {
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else
        {
-               *error = CCID_ERROR_SLOT_NOT_FOUND;
+               *Error = CCID_ERROR_SLOT_NOT_FOUND;
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
+
 /** Event handler for the CCID_PC_to_RDR_GetParameters when T=0. This message is sent to
  *  the device whenever an application at the host wants to get the current
  *  parameters for a given slot.
  */
 /** Event handler for the CCID_PC_to_RDR_GetParameters when T=0. This message is sent to
  *  the device whenever an application at the host wants to get the current
  *  parameters for a given slot.
  */
-uint8_t CCID_GetParameters_T0(uint8_t slot,
-                           uint8_t* const error,
-                           uint8_t* ProtocolNum,
-                           USB_CCID_ProtocolData_T0_t* const t0)
+uint8_t CCID_GetParameters_T0(uint8_t Slot,
+                              uint8_t* const Error,
+                              uint8_t* ProtocolNum,
+                              USB_CCID_ProtocolData_T0_t* const T0)
 {
 {
-       if (slot == 0)
+       if (Slot == 0)
        {
 
                *ProtocolNum = CCID_PROTOCOLNUM_T0;
        {
 
                *ProtocolNum = CCID_PROTOCOLNUM_T0;
-               memcpy(t0, &ProtocolData, sizeof(USB_CCID_ProtocolData_T0_t));
-               
-               *ProtocolNum = CCID_PROTOCOLNUM_T0;
+               memcpy(T0, &ProtocolData, sizeof(USB_CCID_ProtocolData_T0_t));
 
 
-               *error = CCID_ERROR_NO_ERROR;
+               *Error = CCID_ERROR_NO_ERROR;
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else
        {
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else
        {
-               *error = CCID_ERROR_SLOT_NOT_FOUND;
+               *Error = CCID_ERROR_SLOT_NOT_FOUND;
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
@@ -312,25 +314,26 @@ uint8_t CCID_GetParameters_T0(uint8_t slot,
  *  whenever an application at the host wants to send a block of bytes to the device
  *  THe device reply back with an array of bytes
  */
  *  whenever an application at the host wants to send a block of bytes to the device
  *  THe device reply back with an array of bytes
  */
-uint8_t CCID_XfrBlock(uint8_t slot,
-                                         uint8_t* const receivedBuffer,
-                                         uint8_t receivedBufferSize,
-                                         uint8_t* const sendBuffer,
-                                         uint8_t* const sentBufferSize,
-                                         uint8_t* const error)
+uint8_t CCID_XfrBlock(uint8_t Slot,
+                                         uint8_t* const ReceivedBuffer,
+                                         uint8_t ReceivedBufferSize,
+                                         uint8_t* const SendBuffer,
+                                         uint8_t* const SentBufferSize,
+                                         uint8_t* const Error)
 {
 {
-       if (slot == 0)
+       if (Slot == 0)
        {
        {
-               uint8_t okResponse[2] = {0x90, 0x00};
-               memcpy(sendBuffer, okResponse, sizeof(okResponse));
-               *sentBufferSize = sizeof(okResponse);
+               uint8_t OkResponse[2] = {0x90, 0x00};
 
 
-               *error = CCID_ERROR_NO_ERROR;
+               memcpy(SendBuffer, OkResponse, sizeof(OkResponse));
+               *SentBufferSize = sizeof(OkResponse);
+
+               *Error = CCID_ERROR_NO_ERROR;
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_NOICCPRESENT;
        }
        else
        {
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_NOICCPRESENT;
        }
        else
        {
-                *error = CCID_ERROR_SLOT_NOT_FOUND;
+                *Error = CCID_ERROR_SLOT_NOT_FOUND;
          return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
          return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 }
@@ -339,36 +342,37 @@ uint8_t CCID_XfrBlock(uint8_t slot,
  *  whenever an application wants to abort the current operation. A previous CCID_ABORT
  *  control message has to be sent before this one in order to start the abort operation.
  */
  *  whenever an application wants to abort the current operation. A previous CCID_ABORT
  *  control message has to be sent before this one in order to start the abort operation.
  */
-uint8_t CCID_Abort(uint8_t slot,
-                   uint8_t seq,
-                   uint8_t* const error)
+uint8_t CCID_Abort(uint8_t Slot,
+                   uint8_t Seq,
+                   uint8_t* const Error)
 {
 {
-       if (Aborted && slot == 0 && AbortedSeq == seq)
+       if (Aborted && Slot == 0 && AbortedSeq == Seq)
        {
        {
-               Aborted = false;
+               Aborted    = false;
                AbortedSeq = -1;
                AbortedSeq = -1;
-               *error = CCID_ERROR_NO_ERROR;
+
+               *Error = CCID_ERROR_NO_ERROR;
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else if (!Aborted)
        {
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
        else if (!Aborted)
        {
-               *error = CCID_ERROR_CMD_NOT_ABORTED;
+               *Error = CCID_ERROR_CMD_NOT_ABORTED;
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
                return CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
        }
-       else if (slot != 0)
+       else if (Slot != 0)
        {
        {
-               *error = CCID_ERROR_SLOT_NOT_FOUND;
+               *Error = CCID_ERROR_SLOT_NOT_FOUND;
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 
                return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
        }
 
-       *error = CCID_ERROR_NOT_SUPPORTED;
+       *Error = CCID_ERROR_NOT_SUPPORTED;
        return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
 }
 
 /** Gets and status and verifies whether an error occurred. */
        return CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_NOICCPRESENT;
 }
 
 /** Gets and status and verifies whether an error occurred. */
-bool CCID_CheckStatusNoError(uint8_t status)
+bool CCID_CheckStatusNoError(uint8_t Status)
 {
 {
-       return (status & 0xC0) == 0x0;
+       return (Status & 0xC0) == 0x0;
 }
 
 /** Function to manage CCID request parsing and responses back to the host. */
 }
 
 /** Function to manage CCID request parsing and responses back to the host. */
@@ -477,6 +481,7 @@ void CCID_Task(void)
                                Endpoint_ClearIN();
                                break;
                        }
                                Endpoint_ClearIN();
                                break;
                        }
+
                        case CCID_PC_to_RDR_SetParameters:
                        {
                                uint8_t ProtocolNum = Endpoint_Read_8();
                        case CCID_PC_to_RDR_SetParameters:
                        {
                                uint8_t ProtocolNum = Endpoint_Read_8();
@@ -490,14 +495,14 @@ void CCID_Task(void)
                                ResponseParametersStatus->CCIDHeader.Slot        = CCIDHeader.Slot;
                                ResponseParametersStatus->CCIDHeader.Seq         = CCIDHeader.Seq;
 
                                ResponseParametersStatus->CCIDHeader.Slot        = CCIDHeader.Slot;
                                ResponseParametersStatus->CCIDHeader.Seq         = CCIDHeader.Seq;
 
-                               if(ProtocolNum == CCID_PROTOCOLNUM_T0)
+                               if (ProtocolNum == CCID_PROTOCOLNUM_T0)
                                {
                                {
-                                       if(CCIDHeader.Length * sizeof(uint8_t) == sizeof(USB_CCID_ProtocolData_T0_t))
+                                       if ((CCIDHeader.Length * sizeof(uint8_t)) == sizeof(USB_CCID_ProtocolData_T0_t))
                                        {
                                        {
-                                               
                                                Endpoint_Read_Stream_LE(RequestBuffer, CCIDHeader.Length * sizeof(uint8_t), NULL);
                                                Endpoint_Read_Stream_LE(RequestBuffer, CCIDHeader.Length * sizeof(uint8_t), NULL);
-                                               Status = CCID_SetParameters_T0(CCIDHeader.Slot, &Error, (USB_CCID_ProtocolData_T0_t*) RequestBuffer);
-                                               if(CCID_CheckStatusNoError(Status))
+
+                                               Status = CCID_SetParameters_T0(CCIDHeader.Slot, &Error, (USB_CCID_ProtocolData_T0_t*)RequestBuffer);
+                                               if (CCID_CheckStatusNoError(Status))
                                                {
                                                        ResponseParametersStatus->CCIDHeader.Length = CCIDHeader.Length;
                                                        Status = CCID_GetParameters_T0(CCIDHeader.Slot, &Error, &ResponseParametersStatus->ProtocolNum, (USB_CCID_ProtocolData_T0_t*) &ResponseParametersStatus->ProtocolData);
                                                {
                                                        ResponseParametersStatus->CCIDHeader.Length = CCIDHeader.Length;
                                                        Status = CCID_GetParameters_T0(CCIDHeader.Slot, &Error, &ResponseParametersStatus->ProtocolNum, (USB_CCID_ProtocolData_T0_t*) &ResponseParametersStatus->ProtocolData);
@@ -505,15 +510,16 @@ void CCID_Task(void)
                                        }
                                        else
                                        {
                                        }
                                        else
                                        {
-                                               //unexpected length
+                                               // Unexpected length
                                                Status = CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_PRESENTANDACTIVE;
                                        }
                                }
                                else
                                {
                                        ResponseParametersStatus->ProtocolNum = CCID_PROTOCOLNUM_T0;
                                                Status = CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_PRESENTANDACTIVE;
                                        }
                                }
                                else
                                {
                                        ResponseParametersStatus->ProtocolNum = CCID_PROTOCOLNUM_T0;
-                                       //for now, we don't support T=1 protocol
-                                       Error = CCID_ERROR_PARAMETERS_PROTOCOL_NOT_SUPPORTED; 
+
+                                       // For now, we don't support T=1 protocol
+                                       Error  = CCID_ERROR_PARAMETERS_PROTOCOL_NOT_SUPPORTED;
                                        Status = CCID_COMMANDSTATUS_ERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
                                }
 
                                        Status = CCID_COMMANDSTATUS_ERROR | CCID_ICCSTATUS_PRESENTANDACTIVE;
                                }
 
@@ -523,10 +529,11 @@ void CCID_Task(void)
                                Endpoint_ClearOUT();
 
                                Endpoint_SelectEndpoint(CCID_IN_EPADDR);
                                Endpoint_ClearOUT();
 
                                Endpoint_SelectEndpoint(CCID_IN_EPADDR);
-                               Endpoint_Write_Stream_LE(ResponseParametersStatus, sizeof(USB_CCID_BulkMessage_Header_t) + 3 + ResponseParametersStatus->CCIDHeader.Length , NULL);
+                               Endpoint_Write_Stream_LE(ResponseParametersStatus, sizeof(USB_CCID_BulkMessage_Header_t) + 3 + ResponseParametersStatus->CCIDHeader.Length, NULL);
                                Endpoint_ClearIN();
                                break;
                        }
                                Endpoint_ClearIN();
                                break;
                        }
+
                        case CCID_PC_to_RDR_GetParameters:
                        {
                                USB_CCID_RDR_to_PC_Parameters_t* ResponseParametersStatus = (USB_CCID_RDR_to_PC_Parameters_t*)&ResponseBuffer;
                        case CCID_PC_to_RDR_GetParameters:
                        {
                                USB_CCID_RDR_to_PC_Parameters_t* ResponseParametersStatus = (USB_CCID_RDR_to_PC_Parameters_t*)&ResponseBuffer;
@@ -543,10 +550,11 @@ void CCID_Task(void)
                                Endpoint_ClearOUT();
 
                                Endpoint_SelectEndpoint(CCID_IN_EPADDR);
                                Endpoint_ClearOUT();
 
                                Endpoint_SelectEndpoint(CCID_IN_EPADDR);
-                               Endpoint_Write_Stream_LE(ResponseParametersStatus, sizeof(USB_CCID_BulkMessage_Header_t) + 3 + ResponseParametersStatus->CCIDHeader.Length , NULL);
+                               Endpoint_Write_Stream_LE(ResponseParametersStatus, sizeof(USB_CCID_BulkMessage_Header_t) + 3 + ResponseParametersStatus->CCIDHeader.Length, NULL);
                                Endpoint_ClearIN();
                                break;
                        }
                                Endpoint_ClearIN();
                                break;
                        }
+
                        case CCID_PC_to_RDR_XfrBlock:
                        {
                                uint8_t  Bwi            = Endpoint_Read_8();
                        case CCID_PC_to_RDR_XfrBlock:
                        {
                                uint8_t  Bwi            = Endpoint_Read_8();
@@ -575,7 +583,7 @@ void CCID_Task(void)
                                else if (Aborted)
                                {
                                        Status = CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_PRESENTANDACTIVE;
                                else if (Aborted)
                                {
                                        Status = CCID_COMMANDSTATUS_FAILED | CCID_ICCSTATUS_PRESENTANDACTIVE;
-                                       Error =  CCID_ERROR_CMD_ABORTED;
+                                       Error  = CCID_ERROR_CMD_ABORTED;
                                        ResponseDataLength = 0;
                                }
                                else
                                        ResponseDataLength = 0;
                                }
                                else
@@ -616,6 +624,7 @@ void CCID_Task(void)
                                Endpoint_ClearIN();
                                break;
                        }
                                Endpoint_ClearIN();
                                break;
                        }
+
                        default:
                        {
                                memset(ResponseBuffer, 0x00, sizeof(ResponseBuffer));
                        default:
                        {
                                memset(ResponseBuffer, 0x00, sizeof(ResponseBuffer));
USB isp AVR programmer