Fawwaz Nadzmy
mbed library sources. Supersedes mbed-src.
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Diff: targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_sc.c
- Revision:
- 153:9398a535854b
- Parent:
- 152:9a67f0b066fc
diff -r 9a67f0b066fc -r 9398a535854b targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_sc.c
--- a/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_sc.c Thu Dec 15 11:48:27 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,299 +0,0 @@
-/**************************************************************************//**
- * @file sc.c
- * @version V3.00
- * $Revision: 9 $
- * $Date: 15/08/11 10:26a $
- * @brief M451 series Smartcard(SC) driver source file
- *
- * @note
- * Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
-*****************************************************************************/
-#include "M451Series.h"
-
-// Below are variables used locally by SC driver and does not want to parse by doxygen unless HIDDEN_SYMBOLS is defined
-/// @cond HIDDEN_SYMBOLS
-static uint32_t u32CardStateIgnore[SC_INTERFACE_NUM] = {0};
-
-/// @endcond HIDDEN_SYMBOLS
-
-/** @addtogroup Standard_Driver Standard Driver
- @{
-*/
-
-/** @addtogroup SC_Driver SC Driver
- @{
-*/
-
-
-/** @addtogroup SC_EXPORTED_FUNCTIONS SC Exported Functions
- @{
-*/
-
-/**
- * @brief This function indicates specified smartcard slot status.
- * @param[in] sc The pointer of smartcard module.
- * @retval TRUE Card insert.
- * @retval FALSE Card remove.
- * @details This function is used to check if specified smart card slot is presented.
- */
-uint32_t SC_IsCardInserted(SC_T *sc)
-{
- // put conditions into two variable to remove IAR compilation warning
- uint32_t cond1 = ((sc->STATUS & SC_STATUS_CDPINSTS_Msk) >> SC_STATUS_CDPINSTS_Pos);
- uint32_t cond2 = ((sc->CTL & SC_CTL_CDLV_Msk) >> SC_CTL_CDLV_Pos);
-
- if(sc == SC0 && u32CardStateIgnore[0] == 1)
- return TRUE;
-#if 0 /* M451 series has only one SC interface */
- else if(sc == SC1 && u32CardStateIgnore[1] == 1)
- return TRUE;
- else if(sc == SC2 && u32CardStateIgnore[2] == 1)
- return TRUE;
- else if(sc == SC3 && u32CardStateIgnore[3] == 1)
- return TRUE;
- else if(sc == SC4 && u32CardStateIgnore[4] == 1)
- return TRUE;
- else if(sc == SC5 && u32CardStateIgnore[5] == 1)
- return TRUE;
-#endif
- else if(cond1 != cond2)
- return FALSE;
- else
- return TRUE;
-}
-
-/**
- * @brief Reset the Tx/Rx FIFO.
- * @param[in] sc The pointer of smartcard module.
- * @return None
- * @details This function reset both transmit and receive FIFO of specified smartcard module.
- */
-void SC_ClearFIFO(SC_T *sc)
-{
- sc->ALTCTL |= (SC_ALTCTL_TXRST_Msk | SC_ALTCTL_RXRST_Msk);
-}
-
-/**
- * @brief This function disable specified smartcard module.
- * @param[in] sc The pointer of smartcard module.
- * @return None
- * @details SC will force all transition to IDLE state.
- */
-void SC_Close(SC_T *sc)
-{
- sc->INTEN = 0;
- sc->PINCTL = 0;
- sc->ALTCTL = 0;
- sc->CTL = 0;
-}
-
-/**
- * @brief This function initialized smartcard module.
- * @param[in] sc The pointer of smartcard module.
- * @param[in] u32CD Card detect polarity, select the CD pin state which indicates card insert. Could be:
- * -\ref SC_PIN_STATE_HIGH.
- * -\ref SC_PIN_STATE_LOW.
- * -\ref SC_PIN_STATE_IGNORE, no card detect pin, always assumes card present.
- * @param[in] u32PWR Power on polarity, select the PWR pin state which could set smartcard VCC to high level. Could be:
- * -\ref SC_PIN_STATE_HIGH.
- * -\ref SC_PIN_STATE_LOW.
- * @return None
- * @details Initialization process configures smartcard and enables engine clock.
- */
-void SC_Open(SC_T *sc, uint32_t u32CD, uint32_t u32PWR)
-{
- uint32_t u32Reg = 0, u32Intf;
-
- if(sc == SC0)
- u32Intf = 0;
-#if 0 /* M451 series has only one SC interface */
- else if(sc == SC1)
- u32Intf = 1;
- else if(sc == SC2)
- u32Intf = 2;
- else if(sc == SC3)
- u32Intf = 3;
- else if(sc == SC4)
- u32Intf = 4;
- else if(sc == SC5)
- u32Intf = 5;
-#endif
- else
- return ;
-
- if(u32CD != SC_PIN_STATE_IGNORE) {
- u32Reg = u32CD ? 0: SC_CTL_CDLV_Msk;
- u32CardStateIgnore[u32Intf] = 0;
- } else {
- u32CardStateIgnore[u32Intf] = 1;
- }
- while(sc->PINCTL & SC_PINCTL_SYNC_Msk);
- sc->PINCTL = u32PWR ? 0 : SC_PINCTL_PWRINV_Msk;
- while(sc->CTL & SC_CTL_SYNC_Msk);
- sc->CTL = SC_CTL_SCEN_Msk | u32Reg;
-}
-
-/**
- * @brief This function reset specified smartcard module to its default state for activate smartcard.
- * @param[in] sc The pointer of smartcard module.
- * @return None
- * @details Reset the Tx/Rx FIFO & clock & initial default parameter.
- */
-void SC_ResetReader(SC_T *sc)
-{
- uint32_t u32Intf;
-
- if(sc == SC0)
- u32Intf = 0;
-#if 0 /* M451 series has only one SC interface */
- else if(sc == SC1)
- u32Intf = 1;
- else if(sc == SC2)
- u32Intf = 2;
- else if(sc == SC3)
- u32Intf = 3;
- else if(sc == SC4)
- u32Intf = 4;
- else if(sc == SC5)
- u32Intf = 5;
-#endif
- else
- return ;
-
- // Reset FIFO, enable auto de-activation while card removal
- sc->ALTCTL |= (SC_ALTCTL_TXRST_Msk | SC_ALTCTL_RXRST_Msk | SC_ALTCTL_ADACEN_Msk);
- // Set Rx trigger level to 1 character, longest card detect debounce period, disable error retry (EMV ATR does not use error retry)
- while(sc->CTL & SC_CTL_SYNC_Msk);
- sc->CTL &= ~(SC_CTL_RXTRGLV_Msk | SC_CTL_CDDBSEL_Msk | SC_CTL_TXRTY_Msk | SC_CTL_RXRTY_Msk);
- // Enable auto convention, and all three smartcard internal timers
- sc->CTL |= SC_CTL_AUTOCEN_Msk | SC_CTL_TMRSEL_Msk;
- // Disable Rx timeout
- sc->RXTOUT = 0;
- // 372 clocks per ETU by default
- sc->ETUCTL = 371;
-
- /* Enable necessary interrupt for smartcard operation */
- if(u32CardStateIgnore[u32Intf]) // Do not enable card detect interrupt if card present state ignore
- sc->INTEN = (SC_INTEN_RDAIEN_Msk |
- SC_INTEN_TERRIEN_Msk |
- SC_INTEN_TMR0IEN_Msk |
- SC_INTEN_TMR1IEN_Msk |
- SC_INTEN_TMR2IEN_Msk |
- SC_INTEN_BGTIEN_Msk |
- SC_INTEN_ACERRIEN_Msk);
- else
- sc->INTEN = (SC_INTEN_RDAIEN_Msk |
- SC_INTEN_TERRIEN_Msk |
- SC_INTEN_TMR0IEN_Msk |
- SC_INTEN_TMR1IEN_Msk |
- SC_INTEN_TMR2IEN_Msk |
- SC_INTEN_BGTIEN_Msk |
- SC_INTEN_ACERRIEN_Msk |
- SC_INTEN_CDIEN_Msk);
-
- return;
-}
-
-/**
- * @brief Set Block Guard Time.
- * @param[in] sc The pointer of smartcard module.
- * @param[in] u32BGT Block guard time using ETU as unit, valid range are between 1 ~ 32.
- * @return None
- * @details This function block guard time (BGT) of specified smartcard module.
- */
-void SC_SetBlockGuardTime(SC_T *sc, uint32_t u32BGT)
-{
- sc->CTL = (sc->CTL & ~SC_CTL_BGT_Msk) | ((u32BGT - 1) << SC_CTL_BGT_Pos);
-}
-
-/**
- * @brief Set character guard time.
- * @param[in] sc The pointer of smartcard module.
- * @param[in] u32CGT Character guard time using ETU as unit, valid range are between 11 ~ 267.
- * @return None
- * @details This function character guard time (CGT) of specified smartcard module.
- * @note Before using this API, user should set the correct stop bit length first.
- */
-void SC_SetCharGuardTime(SC_T *sc, uint32_t u32CGT)
-{
- u32CGT -= sc->CTL & SC_CTL_NSB_Msk ? 11 : 12;
- sc->EGT = u32CGT;
-}
-
-/**
- * @brief Stop all Timer counting.
- * @param[in] sc The pointer of smartcard module.
- * @return None
- * @details This function stop all smartcard timer of specified smartcard module.
- * @note This function stop the timers within smartcard module, \b not timer module.
- */
-void SC_StopAllTimer(SC_T *sc)
-{
- sc->ALTCTL &= ~(SC_ALTCTL_CNTEN0_Msk | SC_ALTCTL_CNTEN1_Msk | SC_ALTCTL_CNTEN2_Msk);
-}
-
-/**
- * @brief This function configure and start a smartcard timer of specified smartcard module.
- * @param[in] sc The pointer of smartcard module.
- * @param[in] u32TimerNum Timer(s) to start. Valid values are 0, 1, 2.
- * @param[in] u32Mode Timer operating mode, valid values are:
- * - \ref SC_TMR_MODE_0
- * - \ref SC_TMR_MODE_1
- * - \ref SC_TMR_MODE_2
- * - \ref SC_TMR_MODE_3
- * - \ref SC_TMR_MODE_4
- * - \ref SC_TMR_MODE_5
- * - \ref SC_TMR_MODE_6
- * - \ref SC_TMR_MODE_7
- * - \ref SC_TMR_MODE_8
- * - \ref SC_TMR_MODE_F
- * @param[in] u32ETUCount Timer timeout duration, ETU based. For timer 0, valid range are between 1~0x1000000ETUs.
- * For timer 1 and timer 2, valid range are between 1 ~ 0x100 ETUs.
- * @return None
- * @details Enable Timer starting, counter will count when condition match.
- * @note This function start the timer within smartcard module, \b not timer module.
- * @note Depend on the timer operating mode, timer may not start counting immediately.
- */
-void SC_StartTimer(SC_T *sc, uint32_t u32TimerNum, uint32_t u32Mode, uint32_t u32ETUCount)
-{
- uint32_t reg = u32Mode | (SC_TMRCTL0_CNT_Msk & (u32ETUCount - 1));
-
- if(u32TimerNum == 0) {
- sc->TMRCTL0 = reg;
- sc->ALTCTL |= SC_ALTCTL_CNTEN0_Msk;
- } else if(u32TimerNum == 1) {
- sc->TMRCTL1 = reg;
- sc->ALTCTL |= SC_ALTCTL_CNTEN1_Msk;
- } else { // timer 2
- sc->TMRCTL2 = reg;
- sc->ALTCTL |= SC_ALTCTL_CNTEN2_Msk;
- }
-}
-
-/**
- * @brief Stop Timer counting.
- * @param[in] sc The pointer of smartcard module.
- * @param[in] u32TimerNum Timer(s) to stop. Valid values are 0, 1, 2.
- * @return None
- * @details This function stop a smartcard timer of specified smartcard module.
- * @note This function stop the timer within smartcard module, \b not timer module.
- */
-void SC_StopTimer(SC_T *sc, uint32_t u32TimerNum)
-{
- if(u32TimerNum == 0)
- sc->ALTCTL &= ~SC_ALTCTL_CNTEN0_Msk;
- else if(u32TimerNum == 1)
- sc->ALTCTL &= ~SC_ALTCTL_CNTEN1_Msk;
- else // timer 2
- sc->ALTCTL &= ~SC_ALTCTL_CNTEN2_Msk;
-}
-
-
-
-/*@}*/ /* end of group SC_EXPORTED_FUNCTIONS */
-
-/*@}*/ /* end of group SC_Driver */
-
-/*@}*/ /* end of group Standard_Driver */
-
-/*** (C) COPYRIGHT 2013~2015 Nuvoton Technology Corp. ***/