| Nano100BN Series BSP V3.03.002 The Board Support Package for Nano100BN Series

sc.c
Go to the documentation of this file.
1 /**************************************************************************/
12 #include "Nano100Series.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, 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(sc == SC2 && u32CardStateIgnore[2] == 1)
51 return TRUE;
52 else if(cond1 != cond2)
53 return FALSE;
54 else
55 return TRUE;
56 }
57
63 void SC_ClearFIFO(SC_T *sc)
64 {
65 sc->ALTCTL |= (SC_ALTCTL_TX_RST_Msk | SC_ALTCTL_RX_RST_Msk);
66 }
67
73 void SC_Close(SC_T *sc)
74 {
75 sc->IER = 0;
76 sc->PINCSR = 0;
77 sc->ALTCTL = 0;
78 sc->CTL = 0;
79 }
80
93 void SC_Open(SC_T *sc, uint32_t u32CD, uint32_t u32PWR)
94 {
95 uint32_t u32Reg = 0, u32Intf;
96
97 if(sc == SC0)
98 u32Intf = 0;
99 else if(sc == SC1)
100 u32Intf = 1;
101 else
102 u32Intf = 2;
103
104 if(u32CD != SC_PIN_STATE_IGNORE)
105 {
106 u32Reg = u32CD ? 0: SC_PINCSR_CD_LEV_Msk;
107 u32CardStateIgnore[u32Intf] = 0;
108 }
109 else
110 {
111 u32CardStateIgnore[u32Intf] = 1;
112 }
113 u32Reg |= u32PWR ? 0 : SC_PINCSR_POW_INV_Msk;
114 sc->PINCSR = u32Reg;
115 sc->CTL = SC_CTL_SC_CEN_Msk;
116 }
117
123 void SC_ResetReader(SC_T *sc)
124 {
125 uint32_t u32Intf;
126
127 if(sc == SC0)
128 u32Intf = 0;
129 else if(sc == SC1)
130 u32Intf = 1;
131 else
132 u32Intf = 2;
133
134 // Reset FIFO
135 sc->ALTCTL |= (SC_ALTCTL_TX_RST_Msk | SC_ALTCTL_RX_RST_Msk);
136 // Set Rx trigger level to 1 character, longest card detect debounce period, disable error retry (EMV ATR does not use error retry)
137 sc->CTL &= ~(SC_CTL_RX_FTRI_LEV_Msk |
138 SC_CTL_CD_DEB_SEL_Msk |
139 SC_CTL_TX_ERETRY_Msk |
140 SC_CTL_TX_ERETRY_EN_Msk |
141 SC_CTL_RX_ERETRY_Msk |
142 SC_CTL_RX_ERETRY_EN_Msk);
143 // Enable auto convention, and all three smartcard internal timers
144 sc->CTL |= SC_CTL_AUTO_CON_EN_Msk | SC_CTL_TMR_SEL_Msk;
145 // Disable Rx timeout
146 sc->RFTMR = 0;
147 // 372 clocks per ETU by default
148 sc->ETUCR = 371;
149 // Enable auto de-activation while card removal
150 sc->PINCSR = (sc->PINCSR & ~SC_PINCSR_POW_EN_Msk) | SC_PINCSR_ADAC_CD_EN_Msk;
151
152 /* Enable necessary interrupt for smartcard operation */
153 if(u32CardStateIgnore[u32Intf]) // Do not enable card detect interrupt if card present state ignore
154 sc->IER = (SC_IER_RDA_IE_Msk |
155 SC_IER_TERR_IE_Msk |
156 SC_IER_TMR0_IE_Msk |
157 SC_IER_TMR1_IE_Msk |
158 SC_IER_TMR2_IE_Msk |
159 SC_IER_BGT_IE_Msk |
160 SC_IER_ACON_ERR_IE_Msk);
161 else
162 sc->IER = (SC_IER_RDA_IE_Msk |
163 SC_IER_TERR_IE_Msk |
164 SC_IER_TMR0_IE_Msk |
165 SC_IER_TMR1_IE_Msk |
166 SC_IER_TMR2_IE_Msk |
167 SC_IER_BGT_IE_Msk |
168 SC_IER_CD_IE_Msk |
169 SC_IER_ACON_ERR_IE_Msk);
170
171 return;
172 }
173
180 void SC_SetBlockGuardTime(SC_T *sc, uint32_t u32BGT)
181 {
182 sc->CTL = (sc->CTL & ~SC_CTL_BGT_Msk) | ((u32BGT - 1) << SC_CTL_BGT_Pos);
183 }
184
191 void SC_SetCharGuardTime(SC_T *sc, uint32_t u32CGT)
192 {
193 u32CGT -= sc->CTL & SC_CTL_SLEN_Msk ? 11: 12;
194 sc->EGTR = u32CGT;
195 }
196
203 void SC_StopAllTimer(SC_T *sc)
204 {
205 sc->ALTCTL &= ~(SC_ALTCTL_TMR0_SEN_Msk | SC_ALTCTL_TMR1_SEN_Msk | SC_ALTCTL_TMR2_SEN_Msk);
206 }
207
229 void SC_StartTimer(SC_T *sc, uint32_t u32TimerNum, uint32_t u32Mode, uint32_t u32ETUCount)
230 {
231 uint32_t reg = u32Mode | (SC_TMR0_CNT_Msk & (u32ETUCount - 1));
232
233 if(u32TimerNum == 0)
234 {
235 sc->TMR0 = reg;
236 sc->ALTCTL |= SC_ALTCTL_TMR0_SEN_Msk;
237 }
238 else if(u32TimerNum == 1)
239 {
240 sc->TMR1 = reg;
241 sc->ALTCTL |= SC_ALTCTL_TMR1_SEN_Msk;
242 }
243 else // timer 2
244 {
245 sc->TMR2 = reg;
246 sc->ALTCTL |= SC_ALTCTL_TMR2_SEN_Msk;
247 }
248 }
249
257 void SC_StopTimer(SC_T *sc, uint32_t u32TimerNum)
258 {
259 if(u32TimerNum == 0)
260 sc->ALTCTL &= ~SC_ALTCTL_TMR0_SEN_Msk;
261 else if(u32TimerNum == 1)
262 sc->ALTCTL &= ~SC_ALTCTL_TMR1_SEN_Msk;
263 else // timer 2
264 sc->ALTCTL &= ~SC_ALTCTL_TMR2_SEN_Msk;
265 }
266
267
268 /* end of group NANO100_SC_EXPORTED_FUNCTIONS */
270 /* end of group NANO100_SC_Driver */
272 /* end of group NANO100_Device_Driver */
274
275 /*** (C) COPYRIGHT 2013-2014 Nuvoton Technology Corp. ***/
SC1
#define SC1
Pointer to SC1 register structure.
Definition: Nano100Series.h:11686
SC_CTL_RX_ERETRY_EN_Msk
#define SC_CTL_RX_ERETRY_EN_Msk
Definition: Nano100Series.h:8926
SC_StopAllTimer
void SC_StopAllTimer(SC_T *sc)
This function stop all smartcard timer of specified smartcard module.
Definition: sc.c:203
SC_CTL_TMR_SEL_Msk
#define SC_CTL_TMR_SEL_Msk
Definition: Nano100Series.h:8917
SC_CTL_TX_ERETRY_Msk
#define SC_CTL_TX_ERETRY_Msk
Definition: Nano100Series.h:8929
SC_CTL_SC_CEN_Msk
#define SC_CTL_SC_CEN_Msk
Definition: Nano100Series.h:8896
SC_T::ETUCR
__IO uint32_t ETUCR
Definition: Nano100Series.h:8526
SC_T
Definition: Nano100Series.h:8273
SC_CTL_SLEN_Msk
#define SC_CTL_SLEN_Msk
Definition: Nano100Series.h:8920
SC_PINCSR_CD_LEV_Msk
#define SC_PINCSR_CD_LEV_Msk
Definition: Nano100Series.h:9133
SC_T::TMR1
__IO uint32_t TMR1
Definition: Nano100Series.h:8813
SC_T::ALTCTL
__IO uint32_t ALTCTL
Definition: Nano100Series.h:8478
SC_CTL_RX_ERETRY_Msk
#define SC_CTL_RX_ERETRY_Msk
Definition: Nano100Series.h:8923
FALSE
#define FALSE
Boolean false, define to use in API parameters or return value.
Definition: Nano100Series.h:11863
SC2
#define SC2
Pointer to SC2 register structure.
Definition: Nano100Series.h:11687
SC_Close
void SC_Close(SC_T *sc)
This function disable specified smartcard module.
Definition: sc.c:73
SC_ALTCTL_TMR1_SEN_Msk
#define SC_ALTCTL_TMR1_SEN_Msk
Definition: Nano100Series.h:8956
SC0
#define SC0
Pointer to SC0 register structure.
Definition: Nano100Series.h:11685
SC_PIN_STATE_IGNORE
#define SC_PIN_STATE_IGNORE
Definition: sc.h:35
SC_IsCardInserted
uint32_t SC_IsCardInserted(SC_T *sc)
This function indicates specified smartcard slot status.
Definition: sc.c:40
SC_PINCSR_CD_PIN_ST_Msk
#define SC_PINCSR_CD_PIN_ST_Msk
Definition: Nano100Series.h:9118
SC_CTL_BGT_Pos
#define SC_CTL_BGT_Pos
Definition: Nano100Series.h:8913
SC_StopTimer
void SC_StopTimer(SC_T *sc, uint32_t u32TimerNum)
This function stop a smartcard timer of specified smartcard module.
Definition: sc.c:257
SC_SetCharGuardTime
void SC_SetCharGuardTime(SC_T *sc, uint32_t u32CGT)
This function character guard time (CGT) of specified smartcard module.
Definition: sc.c:191
Nano100Series.h
Nano100 series peripheral access layer header file. This file contains all the peripheral register's ...
SC_T::EGTR
__IO uint32_t EGTR
Definition: Nano100Series.h:8491
SC_PINCSR_CD_PIN_ST_Pos
#define SC_PINCSR_CD_PIN_ST_Pos
Definition: Nano100Series.h:9117
SC_ALTCTL_TMR2_SEN_Msk
#define SC_ALTCTL_TMR2_SEN_Msk
Definition: Nano100Series.h:8959
SC_IER_TMR1_IE_Msk
#define SC_IER_TMR1_IE_Msk
Definition: Nano100Series.h:9001
SC_CTL_AUTO_CON_EN_Msk
#define SC_CTL_AUTO_CON_EN_Msk
Definition: Nano100Series.h:8905
SC_CTL_CD_DEB_SEL_Msk
#define SC_CTL_CD_DEB_SEL_Msk
Definition: Nano100Series.h:8935
SC_IER_TMR2_IE_Msk
#define SC_IER_TMR2_IE_Msk
Definition: Nano100Series.h:9004
SC_IER_TMR0_IE_Msk
#define SC_IER_TMR0_IE_Msk
Definition: Nano100Series.h:8998
SC_TMR0_CNT_Msk
#define SC_TMR0_CNT_Msk
Definition: Nano100Series.h:9142
SC_PINCSR_POW_EN_Msk
#define SC_PINCSR_POW_EN_Msk
Definition: Nano100Series.h:9106
SC_IER_ACON_ERR_IE_Msk
#define SC_IER_ACON_ERR_IE_Msk
Definition: Nano100Series.h:9019
SC_IER_BGT_IE_Msk
#define SC_IER_BGT_IE_Msk
Definition: Nano100Series.h:9007
SC_IER_TERR_IE_Msk
#define SC_IER_TERR_IE_Msk
Definition: Nano100Series.h:8995
SC_ALTCTL_TX_RST_Msk
#define SC_ALTCTL_TX_RST_Msk
Definition: Nano100Series.h:8938
SC_PINCSR_ADAC_CD_EN_Msk
#define SC_PINCSR_ADAC_CD_EN_Msk
Definition: Nano100Series.h:9124
SC_T::TMR0
__IO uint32_t TMR0
Definition: Nano100Series.h:8799
SC_CTL_TX_ERETRY_EN_Msk
#define SC_CTL_TX_ERETRY_EN_Msk
Definition: Nano100Series.h:8932
SC_CTL_RX_FTRI_LEV_Msk
#define SC_CTL_RX_FTRI_LEV_Msk
Definition: Nano100Series.h:8911
SC_T::TMR2
__IO uint32_t TMR2
Definition: Nano100Series.h:8827
SC_ALTCTL_TMR0_SEN_Msk
#define SC_ALTCTL_TMR0_SEN_Msk
Definition: Nano100Series.h:8953
SC_ClearFIFO
void SC_ClearFIFO(SC_T *sc)
This function reset both transmit and receive FIFO of specified smartcard module.
Definition: sc.c:63
SC_T::RFTMR
__IO uint32_t RFTMR
Definition: Nano100Series.h:8506
SC_Open
void SC_Open(SC_T *sc, uint32_t u32CardDet, uint32_t u32PWR)
This function initialized smartcard module.
Definition: sc.c:93
SC_ResetReader
void SC_ResetReader(SC_T *sc)
This function reset specified smartcard module to its default state for activate smartcard.
Definition: sc.c:123
SC_INTERFACE_NUM
#define SC_INTERFACE_NUM
Definition: sc.h:32
SC_CTL_BGT_Msk
#define SC_CTL_BGT_Msk
Definition: Nano100Series.h:8914
SC_PINCSR_CD_LEV_Pos
#define SC_PINCSR_CD_LEV_Pos
Definition: Nano100Series.h:9132
SC_PINCSR_POW_INV_Msk
#define SC_PINCSR_POW_INV_Msk
Definition: Nano100Series.h:9136
SC_SetBlockGuardTime
void SC_SetBlockGuardTime(SC_T *sc, uint32_t u32BGT)
This function block guard time (BGT) of specified smartcard module.
Definition: sc.c:180
TRUE
#define TRUE
Boolean true, define to use in API parameters or return value.
Definition: Nano100Series.h:11862
SC_IER_RDA_IE_Msk
#define SC_IER_RDA_IE_Msk
Definition: Nano100Series.h:8989
SC_ALTCTL_RX_RST_Msk
#define SC_ALTCTL_RX_RST_Msk
Definition: Nano100Series.h:8941
SC_T::PINCSR
__IO uint32_t PINCSR
Definition: Nano100Series.h:8785
SC_T::CTL
__IO uint32_t CTL
Definition: Nano100Series.h:8388
SC_StartTimer
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:229
SC_IER_CD_IE_Msk
#define SC_IER_CD_IE_Msk
Definition: Nano100Series.h:9010
SC_T::IER
__IO uint32_t IER
Definition: Nano100Series.h:8582