MacroRat
Mouse code for the MacroRat
Diff: mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_sc.c
- Revision:
- 18:6a4db94011d3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_sc.c Sun May 14 23:18:57 2017 +0000
@@ -0,0 +1,299 @@
+/**************************************************************************//**
+ * @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. ***/