--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/Smartcard/main.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,408 @@
+/**
+  ******************************************************************************
+  * @file    USART/Smartcard/main.c 
+  * @author  MCD Application Team
+  * @version V3.5.0
+  * @date    08-April-2011
+  * @brief   Main program body
+  ******************************************************************************
+  * @attention
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x.h"
+#include "platform_config.h"
+
+/* Private define ------------------------------------------------------------*/
+#define T0_PROTOCOL           0x00 /* T0 PROTOCOL */
+#define SETUP_LENGHT          20 
+#define HIST_LENGHT           20
+#define SC_Receive_Timeout    0x4000 /* direction to reader */
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup USART_Smartcard
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* ATR STRUCTURE - ANSWER TO RESET */
+typedef  struct 
+{
+  uint8_t TS; /* Bit Convention */
+  uint8_t T0; /* High Nibble = N. of setup byte; low nibble = N. of historical byte */
+  uint8_t T[SETUP_LENGHT]; /* Setup array */
+  uint8_t H[HIST_LENGHT]; /* Historical array */
+  uint8_t Tlenght; /* Setup array dimension */
+  uint8_t Hlenght; /* Historical array dimension */
+} SC_ATR;
+
+typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+USART_InitTypeDef USART_InitStructure;
+USART_ClockInitTypeDef USART_ClockInitStructure; 
+SC_ATR  SC_A2R;
+__IO uint32_t index = 0, Counter = 0;
+volatile TestStatus ATRDecodeStatus = FAILED;
+__IO uint32_t CardInserted = 0, CardProtocol = 1;
+
+__IO uint8_t DST_Buffer[50]= {
+                     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                     0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+void RCC_Configuration(void);
+void GPIO_Configuration(void);
+void EXTI_Configuration(void);
+void NVIC_Configuration(void);
+uint8_t SC_decode_Answer2reset(__IO uint8_t *card);
+
+/**
+  * @brief  Main program
+  * @param  None
+  * @retval None
+  */
+int main(void)
+{
+  /*!< At this stage the microcontroller clock setting is already configured, 
+       this is done through SystemInit() function which is called from startup
+       file (startup_stm32f10x_xx.s) before to branch to application main.
+       To reconfigure the default setting of SystemInit() function, refer to
+       system_stm32f10x.c file
+     */     
+       
+  /* System Clocks Configuration */
+  RCC_Configuration();
+       
+  /* NVIC configuration */
+  NVIC_Configuration();
+
+  /* Configure the GPIO ports */
+  GPIO_Configuration();
+
+  /* Configure the EXTI Controller */
+  EXTI_Configuration();
+
+
+/* SC_USART configuration ----------------------------------------------------*/
+  /* SC_USART configured as follow:
+        - Word Length = 9 Bits
+        - 0.5 Stop Bit
+        - Even parity
+        - BaudRate = 12096 baud
+        - Hardware flow control disabled (RTS and CTS signals)
+        - Tx and Rx enabled
+        - USART Clock enabled
+        - USART CPOL Low
+        - USART CPHA on first edge
+        - USART Last Bit Clock Enabled
+  */
+
+  /* SC_USART Clock set to 4.5MHz (PCLK1 = 36 MHZ / 8) */
+  USART_SetPrescaler(SC_USART, 0x04);
+  /* SC_USART Guard Time set to 2 Bit */
+  USART_SetGuardTime(SC_USART, 0x2);
+  
+  USART_ClockInitStructure.USART_Clock = USART_Clock_Enable;
+  USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
+  USART_ClockInitStructure.USART_CPHA = USART_CPHA_1Edge;
+  USART_ClockInitStructure.USART_LastBit = USART_LastBit_Enable;
+  USART_ClockInit(SC_USART, &USART_ClockInitStructure);
+
+  USART_InitStructure.USART_BaudRate = 12096;
+  USART_InitStructure.USART_WordLength = USART_WordLength_9b;
+  USART_InitStructure.USART_StopBits = USART_StopBits_1_5;
+  USART_InitStructure.USART_Parity = USART_Parity_Even;
+  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
+  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+  USART_Init(SC_USART, &USART_InitStructure);  
+
+  /* Enable the SC_USART Parity Error Interrupt */
+  USART_ITConfig(SC_USART, USART_IT_PE, ENABLE);
+
+  /* Enable SC_USART */
+  USART_Cmd(SC_USART, ENABLE);
+
+  /* Enable the NACK Transmission */
+  USART_SmartCardNACKCmd(SC_USART, ENABLE);
+
+  /* Enable the Smartcard Interface */
+  USART_SmartCardCmd(SC_USART, ENABLE);
+
+  /* Loop while no Smartcard is detected */  
+  while(CardInserted == 0)
+  {
+  }
+
+  /* Read Smartcard ATR response */ 
+  for(index = 0; index < 40; index++, Counter = 0)
+  {
+    while((USART_GetFlagStatus(SC_USART, USART_FLAG_RXNE) == RESET) && (Counter != SC_Receive_Timeout))
+    {
+      Counter++;
+    }
+
+    if(Counter != SC_Receive_Timeout)
+    {
+      DST_Buffer[index] = USART_ReceiveData(SC_USART);
+    }
+  }
+
+  /* Decode ATR */
+  CardProtocol = SC_decode_Answer2reset(DST_Buffer);
+
+  /* Test if the inserted card is ISO7816-3 T=0 compatible */
+  if(CardProtocol == 0)
+  {
+    /* Inserted card is ISO7816-3 T=0 compatible */
+    ATRDecodeStatus = PASSED;
+  }
+  else 
+  { 
+    /* Inserted Smartcard is not ISO7816-3 T=0 compatible */
+    ATRDecodeStatus = FAILED;
+  } 
+
+  while (1)
+  {   
+  }
+}
+
+/**
+  * @brief  Configures the different system clocks.
+  * @param  None
+  * @retval None
+  */
+void RCC_Configuration(void)
+{  
+  /* Enable GPIO_3_5V, SC_USART_GPIO_CLK, GPIO_CMDVCC, GPIO_RESET, GPIO_OFF and 
+     AFIO clocks */
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_3_5V | SC_USART_GPIO_CLK | RCC_APB2Periph_RESET | 
+                         RCC_APB2Periph_CMDVCC | RCC_APB2Periph_OFF | RCC_APB2Periph_AFIO, ENABLE);
+
+  /* Enable SC_USART clocks */
+  RCC_APB1PeriphClockCmd(SC_USART_CLK, ENABLE);
+}
+
+/**
+  * @brief  Configures the different GPIO ports.
+  * @param  None
+  * @retval None
+  */
+void GPIO_Configuration(void)
+{
+  GPIO_InitTypeDef GPIO_InitStructure;
+
+#ifdef USE_STM3210C_EVAL
+  /* Enable the USART3 Pins Software Full Remapping */
+  GPIO_PinRemapConfig(GPIO_FullRemap_USART3, ENABLE);
+#endif
+  /* Configure SC_USART CK as alternate function push-pull */
+  GPIO_InitStructure.GPIO_Pin = SC_USART_ClkPin;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+  GPIO_Init(SC_USART_GPIO, &GPIO_InitStructure);
+
+  /* Configure SC_USART Tx as alternate function open-drain */
+  GPIO_InitStructure.GPIO_Pin = SC_USART_TxPin;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
+  GPIO_Init(SC_USART_GPIO, &GPIO_InitStructure);
+
+  /* Configure Smartcard Reset  */
+  GPIO_InitStructure.GPIO_Pin = SC_RESET;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+  GPIO_Init(GPIO_RESET, &GPIO_InitStructure);
+
+  /* Set RSTIN HIGH */  
+  GPIO_SetBits(GPIO_RESET, SC_RESET);
+
+  /* Configure Smartcard 3/5V  */
+  GPIO_InitStructure.GPIO_Pin = SC_3_5V;
+  GPIO_Init(GPIO_3_5V, &GPIO_InitStructure);
+
+  /* Select 5 V */  
+  GPIO_SetBits(GPIO_3_5V, SC_3_5V);
+
+  /* Configure Smartcard CMDVCC  */
+  GPIO_InitStructure.GPIO_Pin = SC_CMDVCC;
+  GPIO_Init(GPIO_CMDVCC, &GPIO_InitStructure);
+
+  /* Select Smartcard CMDVCC */ 
+  GPIO_SetBits(GPIO_CMDVCC, SC_CMDVCC);
+
+  /* Select Smartcard OFF */
+  GPIO_InitStructure.GPIO_Pin = SC_OFF;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+  GPIO_Init(GPIO_OFF, &GPIO_InitStructure);
+}
+
+/**
+  * @brief  Configures the External Interrupts controller.
+  * @param  None
+  * @retval None
+  */
+void EXTI_Configuration(void)
+{
+  EXTI_InitTypeDef EXTI_InitStructure;
+
+  /* Smartcard OFF */
+  GPIO_EXTILineConfig(SC_PortSource, SC_PinSource);
+
+  EXTI_StructInit(&EXTI_InitStructure);
+  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
+  EXTI_InitStructure.EXTI_Line = SC_EXTI;
+  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
+  EXTI_Init(&EXTI_InitStructure);
+
+  /* Clear SC EXTI Line Pending Bit */
+  EXTI_ClearITPendingBit(SC_EXTI);
+}
+
+/**
+  * @brief  Configures the nested vectored interrupt controller.
+  * @param  None
+  * @retval None
+  */
+void NVIC_Configuration(void)
+{
+  NVIC_InitTypeDef NVIC_InitStructure;
+
+  /* Configure the NVIC Preemption Priority Bits */
+  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
+  /* Clear the SC_EXTI IRQ Pending Bit */
+  NVIC_ClearPendingIRQ(SC_EXTI_IRQ);
+
+  NVIC_InitStructure.NVIC_IRQChannel = SC_EXTI_IRQ;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+
+  NVIC_InitStructure.NVIC_IRQChannel = SC_USART_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+}
+
+/**
+  * @brief  Decode the Card ATR Response.
+  * @param  card: pointer to the buffer containing the Card ATR.
+  * @retval Card protocol
+  */
+uint8_t SC_decode_Answer2reset(__IO uint8_t *card)
+{
+  uint32_t i = 0, flag = 0, buf = 0, protocol = 0;
+
+  SC_A2R.TS = 0;
+  SC_A2R.T0 = 0;
+  for (i = 0; i < SETUP_LENGHT; i++)
+  {
+    SC_A2R.T[i] = 0;
+  }
+  for (i = 0;i < HIST_LENGHT; i++)
+  {
+    SC_A2R.H[i] = 0;
+  }
+  SC_A2R.Tlenght = 0;
+  SC_A2R.Hlenght = 0;
+
+  SC_A2R.TS = card[0]; /* INITIAL CHARACTER */
+  SC_A2R.T0 = card[1]; /* FORMAT CHARACTER */
+
+  SC_A2R.Hlenght = SC_A2R.T0 & 0x0F;
+
+  if((SC_A2R.T0 & 0x80) == 0x80) flag = 1;
+
+  for(i = 0; i < 4; i++)
+  {
+    SC_A2R.Tlenght = SC_A2R.Tlenght + (((SC_A2R.T0 & 0xF0) >> (4 + i)) & 0x1);
+  }
+
+  for(i = 0; i < SC_A2R.Tlenght; i++)
+  {
+    SC_A2R.T[i] = card[i + 2];
+  }
+
+  protocol = SC_A2R.T[SC_A2R.Tlenght - 1] & 0x0F; 
+
+  while(flag) 
+  {
+    if ((SC_A2R.T[SC_A2R.Tlenght-1] & 0x80)== 0x80)
+    {
+      flag = 1;
+    }
+    else
+    {
+      flag = 0;
+    }
+    buf = SC_A2R.Tlenght;
+    SC_A2R.Tlenght = 0;
+
+    for(i = 0; i < 4; i++)
+    {
+      SC_A2R.Tlenght = SC_A2R.Tlenght + (((SC_A2R.T[buf - 1] & 0xF0) >> (4 + i)) & 0x1);
+    }
+    for(i = 0; i < SC_A2R.Tlenght; i++)
+    {
+      SC_A2R.T[buf + i] = card[i + 2 + buf];
+    }
+    SC_A2R.Tlenght += buf;
+  }
+
+  for(i = 0;i < SC_A2R.Hlenght; i++)
+  {
+    SC_A2R.H[i] = card[i + 2 + SC_A2R.Tlenght];
+  }
+  
+  return ((uint8_t)protocol);
+}
+
+#ifdef  USE_FULL_ASSERT
+
+/**
+  * @brief  Reports the name of the source file and the source line number
+  *         where the assert_param error has occurred.
+  * @param  file: pointer to the source file name
+  * @param  line: assert_param error line source number
+  * @retval None
+  */
+void assert_failed(uint8_t* file, uint32_t line)
+{ 
+  /* User can add his own implementation to report the file name and line number,
+     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+
+  /* Infinite loop */
+  while (1)
+  {
+  }
+}
+
+#endif
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/