From 32e57dac2e61e79b029593eb4d34d727bcc10678 Mon Sep 17 00:00:00 2001 From: iperry Date: Thu, 17 Dec 2009 02:37:07 +0000 Subject: Initial commit of library code, moved from leaftest repo git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@69 749a229e-a60e-11de-b98f-4500b42dc123 --- src/stm32lib/examples/USART/Smartcard/main.c | 444 +++++++++++++++++++++++++++ 1 file changed, 444 insertions(+) create mode 100755 src/stm32lib/examples/USART/Smartcard/main.c (limited to 'src/stm32lib/examples/USART/Smartcard/main.c') diff --git a/src/stm32lib/examples/USART/Smartcard/main.c b/src/stm32lib/examples/USART/Smartcard/main.c new file mode 100755 index 0000000..5f26ba4 --- /dev/null +++ b/src/stm32lib/examples/USART/Smartcard/main.c @@ -0,0 +1,444 @@ +/******************** (C) COPYRIGHT 2008 STMicroelectronics ******************** +* File Name : main.c +* Author : MCD Application Team +* Version : V2.0.1 +* Date : 06/13/2008 +* Description : Main program body +******************************************************************************** +* 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. +*******************************************************************************/ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_lib.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 */ + +/* Private typedef -----------------------------------------------------------*/ +/* ATR STRUCTURE - ANSWER TO RESET */ +typedef struct +{ + u8 TS; /* Bit Convention */ + u8 T0; /* high nibble = N. of setup byte; low nibble = N. of historical byte */ + u8 T[SETUP_LENGHT]; /* setup array */ + u8 H[HIST_LENGHT]; /* historical array */ + u8 Tlenght; /* setup array dimension */ + u8 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; +vu32 index = 0, Counter = 0; +volatile TestStatus ATRDecodeStatus = FAILED; +vu32 CardInserted = 0, CardProtocol = 1; +ErrorStatus HSEStartUpStatus; +vu8 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); +u8 SC_decode_Answer2reset(vu8 *card); + +/******************************************************************************* +* Function Name : main +* Description : Main program +* Input : None +* Output : None +* Return : None +*******************************************************************************/ +int main(void) +{ +#ifdef DEBUG + debug(); +#endif + + /* System Clocks Configuration */ + RCC_Configuration(); + + /* NVIC configuration */ + NVIC_Configuration(); + + /* Configure the GPIO ports */ + GPIO_Configuration(); + + /* Configure the EXTI Controller */ + EXTI_Configuration(); + + +/* USART3 configuration -------------------------------------------------------*/ + /* USART3 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 + */ + + /* USART Clock set to 4.5MHz (PCLK1 = 36 MHZ / 8) */ + USART_SetPrescaler(USART3, 0x04); + /* USART Guard Time set to 2 Bit */ + USART_SetGuardTime(USART3, 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(USART3, &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(USART3, &USART_InitStructure); + + /* Enable the USART3 Parity Error Interrupt */ + USART_ITConfig(USART3, USART_IT_PE, ENABLE); + + /* Enable USART3 */ + USART_Cmd(USART3, ENABLE); + + /* Enable the NACK Transmission */ + USART_SmartCardNACKCmd(USART3, ENABLE); + + /* Enable the Smartcard Interface */ + USART_SmartCardCmd(USART3, 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(USART3, USART_FLAG_RXNE) == RESET) && (Counter != SC_Receive_Timeout)) + { + Counter++; + } + + if(Counter != SC_Receive_Timeout) + { + DST_Buffer[index] = USART_ReceiveData(USART3); + } + } + + /* 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) + { + } +} + +/******************************************************************************* +* Function Name : RCC_Configuration +* Description : Configures the different system clocks. +* Input : None +* Output : None +* Return : None +*******************************************************************************/ +void RCC_Configuration(void) +{ + /* RCC system reset(for debug purpose) */ + RCC_DeInit(); + + /* Enable HSE */ + RCC_HSEConfig(RCC_HSE_ON); + + /* Wait till HSE is ready */ + HSEStartUpStatus = RCC_WaitForHSEStartUp(); + + if(HSEStartUpStatus == SUCCESS) + { + /* Enable Prefetch Buffer */ + FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); + + /* Flash 2 wait state */ + FLASH_SetLatency(FLASH_Latency_2); + + /* HCLK = SYSCLK */ + RCC_HCLKConfig(RCC_SYSCLK_Div1); + + /* PCLK2 = HCLK */ + RCC_PCLK2Config(RCC_HCLK_Div1); + + /* PCLK1 = HCLK/2 */ + RCC_PCLK1Config(RCC_HCLK_Div2); + + /* PLLCLK = 8MHz * 9 = 72 MHz */ + RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9); + + /* Enable PLL */ + RCC_PLLCmd(ENABLE); + + /* Wait till PLL is ready */ + while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) + { + } + + /* Select PLL as system clock source */ + RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); + + /* Wait till PLL is used as system clock source */ + while(RCC_GetSYSCLKSource() != 0x08) + { + } + } + + /* Enable GPIO_3_5V, GPIOB, GPIO_CMDVCC, GPIO_RESET, GPIO_OFF and AFIO clocks */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_3_5V | RCC_APB2Periph_GPIOB | RCC_APB2Periph_RESET | + RCC_APB2Periph_CMDVCC | RCC_APB2Periph_OFF | RCC_APB2Periph_AFIO, ENABLE); + + /* Enable USART3 clocks */ + RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE); +} + +/******************************************************************************* +* Function Name : GPIO_Configuration +* Description : Configures the different GPIO ports. +* Input : None +* Output : None +* Return : None +*******************************************************************************/ +void GPIO_Configuration(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Configure USART3 CK(PB12) as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOB, &GPIO_InitStructure); + + /* Configure USART3 Tx (PB10) as alternate function open-drain */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD; + GPIO_Init(GPIOB, &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); +} + +/******************************************************************************* +* Function Name : EXTI_Configuration +* Description : Configures the External Interrupts controller. +* Input : None +* Output : None +* Return : 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); +} + +/******************************************************************************* +* Function Name : NVIC_Configuration +* Description : Configures the nested vectored interrupt controller. +* Input : None +* Output : None +* Return : None +*******************************************************************************/ +void NVIC_Configuration(void) +{ + NVIC_InitTypeDef NVIC_InitStructure; + +#ifdef VECT_TAB_RAM + /* Set the Vector Table base location at 0x20000000 */ + NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0); +#else /* VECT_TAB_FLASH */ + /* Set the Vector Table base location at 0x08000000 */ + NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0); +#endif + + /* Configure the NVIC Preemption Priority Bits */ + NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); + /* Clear the SC_EXTI IRQ Pending Bit */ + NVIC_ClearIRQChannelPendingBit(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 = USART3_IRQChannel; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); +} + +/******************************************************************************* +* Function Name : SC_decode_Answer2reset +* Description : Decode the Card ATR Response. +* Input : - card: pointer to the buffer containing the Card ATR. +* Output : None +* Return : Card protocol +*******************************************************************************/ +u8 SC_decode_Answer2reset(vu8 *card) +{ + u32 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 ((u8)protocol); +} + +#ifdef DEBUG +/******************************************************************************* +* Function Name : assert_failed +* Description : Reports the name of the source file and the source line number +* where the assert_param error has occurred. +* Input : - file: pointer to the source file name +* - line: assert_param error line source number +* Output : None +* Return : None +*******************************************************************************/ +void assert_failed(u8* file, u32 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 2008 STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3