Nano102_112 Series BSP  V3.03.002
The Board Support Package for Nano102_112 Series
sc.c
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1 /**************************************************************************/
12 #include "Nano1X2Series.h"
13 
14 // Below are variables used locally by SC driver and does not want to parse by Doxygen unless HIDDEN_SYMBOLS is defined
16 static uint32_t u32CardStateIgnore[SC_INTERFACE_NUM] = {0, 0};
17 
19 
40 uint32_t SC_IsCardInserted(SC_T *sc)
41 {
42  // put conditions into two variable to remove IAR compilation warning
43  uint32_t cond1 = ((sc->PINCSR & SC_PINCSR_CD_PIN_ST_Msk) >> SC_PINCSR_CD_PIN_ST_Pos);
44  uint32_t cond2 = ((sc->PINCSR & SC_PINCSR_CD_LEV_Msk) >> SC_PINCSR_CD_LEV_Pos);
45 
46  if(sc == SC0 && u32CardStateIgnore[0] == 1)
47  return TRUE;
48  else if(sc == SC1 && u32CardStateIgnore[1] == 1)
49  return TRUE;
50  else if(cond1 != cond2)
51  return FALSE;
52  else
53  return TRUE;
54 }
55 
61 void SC_ClearFIFO(SC_T *sc)
62 {
64 }
65 
71 void SC_Close(SC_T *sc)
72 {
73  sc->IER = 0;
74  sc->PINCSR = 0;
75  sc->ALTCTL = 0;
76  sc->CTL = 0;
77 }
78 
91 void SC_Open(SC_T *sc, uint32_t u32CD, uint32_t u32PWR)
92 {
93  uint32_t u32Reg = 0, u32Intf;
94 
95  if(sc == SC0)
96  u32Intf = 0;
97  else
98  u32Intf = 1;
99 
100  if(u32CD != SC_PIN_STATE_IGNORE)
101  {
102  u32Reg = u32CD ? 0: SC_PINCSR_CD_LEV_Msk;
103  u32CardStateIgnore[u32Intf] = 0;
104  }
105  else
106  {
107  u32CardStateIgnore[u32Intf] = 1;
108  }
109  u32Reg |= u32PWR ? 0 : SC_PINCSR_POW_INV_Msk;
110  sc->PINCSR = u32Reg;
111  sc->CTL = SC_CTL_SC_CEN_Msk;
112 }
113 
120 {
121  uint32_t u32Intf;
122 
123  if(sc == SC0)
124  u32Intf = 0;
125  else
126  u32Intf = 1;
127 
128  // Reset FIFO
130  // Set Rx trigger level to 1 character, longest card detect debounce period, disable error retry (EMV ATR does not use error retry)
131  sc->CTL &= ~(SC_CTL_RX_FTRI_LEV_Msk |
137  // Enable auto convention, and all three smartcard internal timers
139  // Disable Rx timeout
140  sc->RFTMR = 0;
141  // 372 clocks per ETU by default
142  sc->ETUCR = 371;
143  // Enable auto de-activation while card removal
145 
146  /* Enable necessary interrupt for smartcard operation */
147  if(u32CardStateIgnore[u32Intf]) // Do not enable card detect interrupt if card present state ignore
148  sc->IER = (SC_IER_RDA_IE_Msk |
155  else
156  sc->IER = (SC_IER_RDA_IE_Msk |
164 
165  return;
166 }
167 
174 void SC_SetBlockGuardTime(SC_T *sc, uint32_t u32BGT)
175 {
176  sc->CTL = (sc->CTL & ~SC_CTL_BGT_Msk) | ((u32BGT - 1) << SC_CTL_BGT_Pos);
177 }
178 
185 void SC_SetCharGuardTime(SC_T *sc, uint32_t u32CGT)
186 {
187  u32CGT -= sc->CTL & SC_CTL_SLEN_Msk ? 11: 12;
188  sc->EGTR = u32CGT;
189 }
190 
198 {
200 }
201 
223 void SC_StartTimer(SC_T *sc, uint32_t u32TimerNum, uint32_t u32Mode, uint32_t u32ETUCount)
224 {
225  uint32_t reg = u32Mode | (SC_TMR0_CNT_Msk & (u32ETUCount - 1));
226 
227  if(u32TimerNum == 0)
228  {
229  sc->TMR0 = reg;
231  }
232  else if(u32TimerNum == 1)
233  {
234  sc->TMR1 = reg;
236  }
237  else // timer 2
238  {
239  sc->TMR2 = reg;
241  }
242 }
243 
251 void SC_StopTimer(SC_T *sc, uint32_t u32TimerNum)
252 {
253  if(u32TimerNum == 0)
255  else if(u32TimerNum == 1)
257  else // timer 2
259 }
260 
261 
262  /* end of group NANO1X2_SC_EXPORTED_FUNCTIONS */
264  /* end of group NANO1X2_SC_Driver */
266  /* end of group NANO1X2_Device_Driver */
268 
269 /*** (C) COPYRIGHT 2014 Nuvoton Technology Corp. ***/
#define SC0
Pointer to SC0 register structure.
#define SC_PINCSR_CD_LEV_Msk
void SC_Open(SC_T *sc, uint32_t u32CardDet, uint32_t u32PWR)
This function initialized smartcard module.
Definition: sc.c:91
__IO uint32_t ETUCR
#define SC_PIN_STATE_IGNORE
Definition: sc.h:35
#define SC_ALTCTL_TMR2_SEN_Msk
#define SC_CTL_SLEN_Msk
#define SC_IER_TERR_IE_Msk
__IO uint32_t TMR1
__IO uint32_t ALTCTL
#define SC_IER_ACON_ERR_IE_Msk
#define SC_IER_CD_IE_Msk
#define SC_INTERFACE_NUM
Definition: sc.h:32
#define SC_IER_TMR0_IE_Msk
uint32_t SC_IsCardInserted(SC_T *sc)
This function indicates specified smartcard slot status.
Definition: sc.c:40
#define SC_PINCSR_CD_LEV_Pos
__IO uint32_t EGTR
void SC_ResetReader(SC_T *sc)
This function reset specified smartcard module to its default state for activate smartcard.
Definition: sc.c:119
#define SC_IER_RDA_IE_Msk
#define SC_CTL_BGT_Pos
#define SC_CTL_TMR_SEL_Msk
void SC_Close(SC_T *sc)
This function disable specified smartcard module.
Definition: sc.c:71
#define SC_CTL_AUTO_CON_EN_Msk
#define TRUE
Boolean true, define to use in API parameters or return value.
#define SC_ALTCTL_TMR0_SEN_Msk
#define SC_IER_BGT_IE_Msk
#define SC_CTL_RX_FTRI_LEV_Msk
void SC_StartTimer(SC_T *sc, uint32_t u32TimerNum, uint32_t u32Mode, uint32_t u32ETUCount)
This function configure and start a smartcard timer of specified smartcard module.
Definition: sc.c:223
void SC_SetCharGuardTime(SC_T *sc, uint32_t u32CGT)
This function character guard time (CGT) of specified smartcard module.
Definition: sc.c:185
#define SC_CTL_BGT_Msk
Nano102/112 peripheral access layer header file. This file contains all the peripheral register's def...
#define SC_CTL_RX_ERETRY_Msk
void SC_StopTimer(SC_T *sc, uint32_t u32TimerNum)
This function stop a smartcard timer of specified smartcard module.
Definition: sc.c:251
#define SC_IER_TMR2_IE_Msk
#define SC_PINCSR_CD_PIN_ST_Msk
#define SC1
Pointer to SC1 register structure.
void SC_ClearFIFO(SC_T *sc)
This function reset both transmit and receive FIFO of specified smartcard module.
Definition: sc.c:61
#define SC_CTL_RX_ERETRY_EN_Msk
void SC_StopAllTimer(SC_T *sc)
This function stop all smartcard timer of specified smartcard module.
Definition: sc.c:197
void SC_SetBlockGuardTime(SC_T *sc, uint32_t u32BGT)
This function block guard time (BGT) of specified smartcard module.
Definition: sc.c:174
#define SC_ALTCTL_TMR1_SEN_Msk
#define FALSE
Boolean false, define to use in API parameters or return value.
__IO uint32_t TMR0
#define SC_CTL_SC_CEN_Msk
#define SC_CTL_TX_ERETRY_EN_Msk
#define SC_PINCSR_POW_INV_Msk
__IO uint32_t TMR2
#define SC_ALTCTL_RX_RST_Msk
__IO uint32_t RFTMR
#define SC_CTL_CD_DEB_SEL_Msk
#define SC_PINCSR_ADAC_CD_EN_Msk
#define SC_CTL_TX_ERETRY_Msk
#define SC_IER_TMR1_IE_Msk
#define SC_ALTCTL_TX_RST_Msk
__IO uint32_t PINCSR
__IO uint32_t CTL
#define SC_TMR0_CNT_Msk
__IO uint32_t IER
#define SC_PINCSR_CD_PIN_ST_Pos