MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_i2c.c@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /****************************************************************************//**
sahilmgandhi 18:6a4db94011d3 2 * @file i2c.c
sahilmgandhi 18:6a4db94011d3 3 * @version V0.10
sahilmgandhi 18:6a4db94011d3 4 * $Revision: 13 $
sahilmgandhi 18:6a4db94011d3 5 * $Date: 14/09/30 1:10p $
sahilmgandhi 18:6a4db94011d3 6 * @brief NUC472/NUC442 I2C driver source file
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * @note
sahilmgandhi 18:6a4db94011d3 9 * Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.
sahilmgandhi 18:6a4db94011d3 10 *****************************************************************************/
sahilmgandhi 18:6a4db94011d3 11
sahilmgandhi 18:6a4db94011d3 12 #include "NUC472_442.h"
sahilmgandhi 18:6a4db94011d3 13
sahilmgandhi 18:6a4db94011d3 14 /** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
sahilmgandhi 18:6a4db94011d3 15 @{
sahilmgandhi 18:6a4db94011d3 16 */
sahilmgandhi 18:6a4db94011d3 17
sahilmgandhi 18:6a4db94011d3 18 /** @addtogroup NUC472_442_I2C_Driver I2C Driver
sahilmgandhi 18:6a4db94011d3 19 @{
sahilmgandhi 18:6a4db94011d3 20 */
sahilmgandhi 18:6a4db94011d3 21
sahilmgandhi 18:6a4db94011d3 22
sahilmgandhi 18:6a4db94011d3 23 /** @addtogroup NUC472_442_I2C_EXPORTED_FUNCTIONS I2C Exported Functions
sahilmgandhi 18:6a4db94011d3 24 @{
sahilmgandhi 18:6a4db94011d3 25 */
sahilmgandhi 18:6a4db94011d3 26
sahilmgandhi 18:6a4db94011d3 27 /**
sahilmgandhi 18:6a4db94011d3 28 * @brief This function make I2C module be ready and set the wanted bus clock.
sahilmgandhi 18:6a4db94011d3 29 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 30 * @param[in] u32BusClock is the target bus speed of I2C module.
sahilmgandhi 18:6a4db94011d3 31 * @return Actual I2C bus clock frequency.
sahilmgandhi 18:6a4db94011d3 32 */
sahilmgandhi 18:6a4db94011d3 33 uint32_t I2C_Open(I2C_T *i2c, uint32_t u32BusClock)
sahilmgandhi 18:6a4db94011d3 34 {
sahilmgandhi 18:6a4db94011d3 35 uint32_t u32Div;
sahilmgandhi 18:6a4db94011d3 36 uint32_t u32Pclk = CLK_GetPCLKFreq();
sahilmgandhi 18:6a4db94011d3 37
sahilmgandhi 18:6a4db94011d3 38 u32Div = (uint32_t) ((( u32Pclk * 10)/(u32BusClock * 4) + 5) / 10 - 1); /* Compute proper divider for I2C clock */
sahilmgandhi 18:6a4db94011d3 39 i2c->CLKDIV = u32Div;
sahilmgandhi 18:6a4db94011d3 40
sahilmgandhi 18:6a4db94011d3 41 /* Enable I2C */
sahilmgandhi 18:6a4db94011d3 42 i2c->CTL |= I2C_CTL_I2CEN_Msk;
sahilmgandhi 18:6a4db94011d3 43
sahilmgandhi 18:6a4db94011d3 44 return ( u32Pclk / ((u32Div+1)<<2) );
sahilmgandhi 18:6a4db94011d3 45 }
sahilmgandhi 18:6a4db94011d3 46
sahilmgandhi 18:6a4db94011d3 47 /**
sahilmgandhi 18:6a4db94011d3 48 * @brief This function closes the I2C module.
sahilmgandhi 18:6a4db94011d3 49 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 50 * @return none
sahilmgandhi 18:6a4db94011d3 51 */
sahilmgandhi 18:6a4db94011d3 52 void I2C_Close(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 53 {
sahilmgandhi 18:6a4db94011d3 54 /* Reset SPI */
sahilmgandhi 18:6a4db94011d3 55 if((uint32_t)i2c == I2C0_BASE) {
sahilmgandhi 18:6a4db94011d3 56 SYS->IPRST1 |= SYS_IPRST1_I2C0RST_Msk;
sahilmgandhi 18:6a4db94011d3 57 SYS->IPRST1 &= ~SYS_IPRST1_I2C0RST_Msk;
sahilmgandhi 18:6a4db94011d3 58 } else if((uint32_t)i2c == I2C1_BASE) {
sahilmgandhi 18:6a4db94011d3 59 SYS->IPRST1 |= SYS_IPRST1_I2C1RST_Msk;
sahilmgandhi 18:6a4db94011d3 60 SYS->IPRST1 &= ~SYS_IPRST1_I2C1RST_Msk;
sahilmgandhi 18:6a4db94011d3 61 } else if((uint32_t)i2c == I2C2_BASE) {
sahilmgandhi 18:6a4db94011d3 62 SYS->IPRST1 |= SYS_IPRST1_I2C2RST_Msk;
sahilmgandhi 18:6a4db94011d3 63 SYS->IPRST1 &= ~SYS_IPRST1_I2C2RST_Msk;
sahilmgandhi 18:6a4db94011d3 64 } else {
sahilmgandhi 18:6a4db94011d3 65 SYS->IPRST1 |= SYS_IPRST1_I2C3RST_Msk;
sahilmgandhi 18:6a4db94011d3 66 SYS->IPRST1 &= ~SYS_IPRST1_I2C3RST_Msk;
sahilmgandhi 18:6a4db94011d3 67 }
sahilmgandhi 18:6a4db94011d3 68
sahilmgandhi 18:6a4db94011d3 69 /* Disable I2C */
sahilmgandhi 18:6a4db94011d3 70 i2c->CTL &= ~I2C_CTL_I2CEN_Msk;
sahilmgandhi 18:6a4db94011d3 71 }
sahilmgandhi 18:6a4db94011d3 72
sahilmgandhi 18:6a4db94011d3 73 /**
sahilmgandhi 18:6a4db94011d3 74 * @brief This function clears the time-out flag.
sahilmgandhi 18:6a4db94011d3 75 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 76 * @return none
sahilmgandhi 18:6a4db94011d3 77 */
sahilmgandhi 18:6a4db94011d3 78 void I2C_ClearTimeoutFlag(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 79 {
sahilmgandhi 18:6a4db94011d3 80 i2c->TOCTL |= I2C_TOCTL_TOIF_Msk;
sahilmgandhi 18:6a4db94011d3 81 }
sahilmgandhi 18:6a4db94011d3 82
sahilmgandhi 18:6a4db94011d3 83 /**
sahilmgandhi 18:6a4db94011d3 84 * @brief This function sets the control bit of the I2C module.
sahilmgandhi 18:6a4db94011d3 85 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 86 * @param[in] u8Start sets START bit to I2C module.
sahilmgandhi 18:6a4db94011d3 87 * @param[in] u8Stop sets STOP bit to I2C module.
sahilmgandhi 18:6a4db94011d3 88 * @param[in] u8Si sets SI bit to I2C module.
sahilmgandhi 18:6a4db94011d3 89 * @param[in] u8Ack sets ACK bit to I2C module.
sahilmgandhi 18:6a4db94011d3 90 * @return none
sahilmgandhi 18:6a4db94011d3 91 */
sahilmgandhi 18:6a4db94011d3 92 void I2C_Trigger(I2C_T *i2c, uint8_t u8Start, uint8_t u8Stop, uint8_t u8Si, uint8_t u8Ack)
sahilmgandhi 18:6a4db94011d3 93 {
sahilmgandhi 18:6a4db94011d3 94 uint32_t u32Reg = 0;
sahilmgandhi 18:6a4db94011d3 95 uint32_t u32Val = i2c->CTL & ~(I2C_STA | I2C_STO | I2C_AA);
sahilmgandhi 18:6a4db94011d3 96
sahilmgandhi 18:6a4db94011d3 97 if (u8Start)
sahilmgandhi 18:6a4db94011d3 98 u32Reg |= I2C_STA;
sahilmgandhi 18:6a4db94011d3 99 if (u8Stop)
sahilmgandhi 18:6a4db94011d3 100 u32Reg |= I2C_STO;
sahilmgandhi 18:6a4db94011d3 101 if (u8Si)
sahilmgandhi 18:6a4db94011d3 102 u32Reg |= I2C_SI;
sahilmgandhi 18:6a4db94011d3 103 if (u8Ack)
sahilmgandhi 18:6a4db94011d3 104 u32Reg |= I2C_AA;
sahilmgandhi 18:6a4db94011d3 105
sahilmgandhi 18:6a4db94011d3 106 i2c->CTL = u32Val | u32Reg;
sahilmgandhi 18:6a4db94011d3 107 }
sahilmgandhi 18:6a4db94011d3 108
sahilmgandhi 18:6a4db94011d3 109 /**
sahilmgandhi 18:6a4db94011d3 110 * @brief This function disables the interrupt of I2C module.
sahilmgandhi 18:6a4db94011d3 111 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 112 * @return none
sahilmgandhi 18:6a4db94011d3 113 */
sahilmgandhi 18:6a4db94011d3 114 void I2C_DisableInt(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 115 {
sahilmgandhi 18:6a4db94011d3 116 i2c->CTL &= ~I2C_CTL_INTEN_Msk;
sahilmgandhi 18:6a4db94011d3 117 }
sahilmgandhi 18:6a4db94011d3 118
sahilmgandhi 18:6a4db94011d3 119 /**
sahilmgandhi 18:6a4db94011d3 120 * @brief This function enables the interrupt (EI bit) of I2C module.
sahilmgandhi 18:6a4db94011d3 121 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 122 * @return none
sahilmgandhi 18:6a4db94011d3 123 */
sahilmgandhi 18:6a4db94011d3 124 void I2C_EnableInt(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 125 {
sahilmgandhi 18:6a4db94011d3 126 i2c->CTL |= I2C_CTL_INTEN_Msk;
sahilmgandhi 18:6a4db94011d3 127 }
sahilmgandhi 18:6a4db94011d3 128
sahilmgandhi 18:6a4db94011d3 129 /**
sahilmgandhi 18:6a4db94011d3 130 * @brief This function returns the real bus clock of I2C module.
sahilmgandhi 18:6a4db94011d3 131 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 132 * @return Actual I2C bus clock frequency.
sahilmgandhi 18:6a4db94011d3 133 */
sahilmgandhi 18:6a4db94011d3 134 uint32_t I2C_GetBusClockFreq(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 135 {
sahilmgandhi 18:6a4db94011d3 136 uint32_t u32Divider = i2c->CLKDIV;
sahilmgandhi 18:6a4db94011d3 137
sahilmgandhi 18:6a4db94011d3 138 return ( CLK_GetPCLKFreq() / ((u32Divider+1)<<2) );
sahilmgandhi 18:6a4db94011d3 139 }
sahilmgandhi 18:6a4db94011d3 140
sahilmgandhi 18:6a4db94011d3 141 /**
sahilmgandhi 18:6a4db94011d3 142 * @brief This function sets bus frequency of I2C module.
sahilmgandhi 18:6a4db94011d3 143 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 144 * @param[in] u32BusClock is the target bus speed of I2C module.
sahilmgandhi 18:6a4db94011d3 145 * @return Actual I2C bus clock frequency.
sahilmgandhi 18:6a4db94011d3 146 */
sahilmgandhi 18:6a4db94011d3 147 uint32_t I2C_SetBusClockFreq(I2C_T *i2c, uint32_t u32BusClock)
sahilmgandhi 18:6a4db94011d3 148 {
sahilmgandhi 18:6a4db94011d3 149 uint32_t u32Div;
sahilmgandhi 18:6a4db94011d3 150 uint32_t u32Pclk = CLK_GetPCLKFreq();
sahilmgandhi 18:6a4db94011d3 151
sahilmgandhi 18:6a4db94011d3 152 u32Div = (uint32_t) (((u32Pclk * 10)/(u32BusClock * 4) + 5) / 10 - 1); /* Compute proper divider for I2C clock */
sahilmgandhi 18:6a4db94011d3 153 i2c->CLKDIV = u32Div;
sahilmgandhi 18:6a4db94011d3 154
sahilmgandhi 18:6a4db94011d3 155 return ( u32Pclk / ((u32Div+1)<<2) );
sahilmgandhi 18:6a4db94011d3 156 }
sahilmgandhi 18:6a4db94011d3 157
sahilmgandhi 18:6a4db94011d3 158 /**
sahilmgandhi 18:6a4db94011d3 159 * @brief This function gets the interrupt flag of I2C module.
sahilmgandhi 18:6a4db94011d3 160 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 161 * @return Interrupt flag.
sahilmgandhi 18:6a4db94011d3 162 * @retval 0 Flag is not set.
sahilmgandhi 18:6a4db94011d3 163 * @retval 1 Flag is set.
sahilmgandhi 18:6a4db94011d3 164 */
sahilmgandhi 18:6a4db94011d3 165 uint32_t I2C_GetIntFlag(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 166 {
sahilmgandhi 18:6a4db94011d3 167 return ( (i2c->CTL & I2C_CTL_SI_Msk) == I2C_CTL_SI_Msk ? 1:0 );
sahilmgandhi 18:6a4db94011d3 168 }
sahilmgandhi 18:6a4db94011d3 169
sahilmgandhi 18:6a4db94011d3 170 /**
sahilmgandhi 18:6a4db94011d3 171 * @brief This function returns the status of I2C module.
sahilmgandhi 18:6a4db94011d3 172 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 173 * @return I2C status
sahilmgandhi 18:6a4db94011d3 174 */
sahilmgandhi 18:6a4db94011d3 175 uint32_t I2C_GetStatus(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 176 {
sahilmgandhi 18:6a4db94011d3 177 return ( i2c->STATUS );
sahilmgandhi 18:6a4db94011d3 178 }
sahilmgandhi 18:6a4db94011d3 179
sahilmgandhi 18:6a4db94011d3 180 /**
sahilmgandhi 18:6a4db94011d3 181 * @brief This function returns the data stored in data register of I2C module.
sahilmgandhi 18:6a4db94011d3 182 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 183 * @return I2C data.
sahilmgandhi 18:6a4db94011d3 184 */
sahilmgandhi 18:6a4db94011d3 185 uint32_t I2C_GetData(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 186 {
sahilmgandhi 18:6a4db94011d3 187 return ( i2c->DAT );
sahilmgandhi 18:6a4db94011d3 188 }
sahilmgandhi 18:6a4db94011d3 189
sahilmgandhi 18:6a4db94011d3 190 /**
sahilmgandhi 18:6a4db94011d3 191 * @brief This function writes the data to data register of I2C module.
sahilmgandhi 18:6a4db94011d3 192 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 193 * @param[in] u8Data is the data which will be write to data register of I2C module.
sahilmgandhi 18:6a4db94011d3 194 * @return none
sahilmgandhi 18:6a4db94011d3 195 */
sahilmgandhi 18:6a4db94011d3 196 void I2C_SetData(I2C_T *i2c, uint8_t u8Data)
sahilmgandhi 18:6a4db94011d3 197 {
sahilmgandhi 18:6a4db94011d3 198 i2c->DAT = u8Data;
sahilmgandhi 18:6a4db94011d3 199 }
sahilmgandhi 18:6a4db94011d3 200
sahilmgandhi 18:6a4db94011d3 201 /**
sahilmgandhi 18:6a4db94011d3 202 * @brief Configure slave address and enable GC mode.
sahilmgandhi 18:6a4db94011d3 203 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 204 * @param[in] u8SlaveNo is the set number of salve address.
sahilmgandhi 18:6a4db94011d3 205 * @param[in] u8SlaveAddr is the slave address.
sahilmgandhi 18:6a4db94011d3 206 * @param[in] u8GCMode GC mode enable or not. Valid values are:
sahilmgandhi 18:6a4db94011d3 207 * - \ref I2C_GCMODE_ENABLE
sahilmgandhi 18:6a4db94011d3 208 * - \ref I2C_GCMODE_DISABLE
sahilmgandhi 18:6a4db94011d3 209 * @return none
sahilmgandhi 18:6a4db94011d3 210 */
sahilmgandhi 18:6a4db94011d3 211 void I2C_SetSlaveAddr(I2C_T *i2c, uint8_t u8SlaveNo, uint8_t u8SlaveAddr, uint8_t u8GCMode)
sahilmgandhi 18:6a4db94011d3 212 {
sahilmgandhi 18:6a4db94011d3 213 switch (u8SlaveNo) {
sahilmgandhi 18:6a4db94011d3 214 case 0:
sahilmgandhi 18:6a4db94011d3 215 i2c->ADDR0 = (u8SlaveAddr << 1) | u8GCMode;
sahilmgandhi 18:6a4db94011d3 216 break;
sahilmgandhi 18:6a4db94011d3 217 case 1:
sahilmgandhi 18:6a4db94011d3 218 i2c->ADDR1 = (u8SlaveAddr << 1) | u8GCMode;
sahilmgandhi 18:6a4db94011d3 219 break;
sahilmgandhi 18:6a4db94011d3 220 case 2:
sahilmgandhi 18:6a4db94011d3 221 i2c->ADDR2 = (u8SlaveAddr << 1) | u8GCMode;
sahilmgandhi 18:6a4db94011d3 222 break;
sahilmgandhi 18:6a4db94011d3 223 case 3:
sahilmgandhi 18:6a4db94011d3 224 i2c->ADDR3 = (u8SlaveAddr << 1) | u8GCMode;
sahilmgandhi 18:6a4db94011d3 225 break;
sahilmgandhi 18:6a4db94011d3 226 default:
sahilmgandhi 18:6a4db94011d3 227 i2c->ADDR0 = (u8SlaveAddr << 1) | u8GCMode;
sahilmgandhi 18:6a4db94011d3 228 }
sahilmgandhi 18:6a4db94011d3 229 }
sahilmgandhi 18:6a4db94011d3 230
sahilmgandhi 18:6a4db94011d3 231 /**
sahilmgandhi 18:6a4db94011d3 232 * @brief Configure the mask of slave address. The corresponding address bit is "Don't Care".
sahilmgandhi 18:6a4db94011d3 233 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 234 * @param[in] u8SlaveNo is the set number of salve address.
sahilmgandhi 18:6a4db94011d3 235 * @param[in] u8SlaveAddrMask is the slave address mask.
sahilmgandhi 18:6a4db94011d3 236 * @return none
sahilmgandhi 18:6a4db94011d3 237 */
sahilmgandhi 18:6a4db94011d3 238 void I2C_SetSlaveAddrMask(I2C_T *i2c, uint8_t u8SlaveNo, uint8_t u8SlaveAddrMask)
sahilmgandhi 18:6a4db94011d3 239 {
sahilmgandhi 18:6a4db94011d3 240 switch (u8SlaveNo) {
sahilmgandhi 18:6a4db94011d3 241 case 0:
sahilmgandhi 18:6a4db94011d3 242 i2c->ADDRMSK0 = u8SlaveAddrMask << 1;
sahilmgandhi 18:6a4db94011d3 243 break;
sahilmgandhi 18:6a4db94011d3 244 case 1:
sahilmgandhi 18:6a4db94011d3 245 i2c->ADDRMSK1 = u8SlaveAddrMask << 1;
sahilmgandhi 18:6a4db94011d3 246 break;
sahilmgandhi 18:6a4db94011d3 247 case 2:
sahilmgandhi 18:6a4db94011d3 248 i2c->ADDRMSK2 = u8SlaveAddrMask << 1;
sahilmgandhi 18:6a4db94011d3 249 break;
sahilmgandhi 18:6a4db94011d3 250 case 3:
sahilmgandhi 18:6a4db94011d3 251 i2c->ADDRMSK3 = u8SlaveAddrMask << 1;
sahilmgandhi 18:6a4db94011d3 252 break;
sahilmgandhi 18:6a4db94011d3 253 default:
sahilmgandhi 18:6a4db94011d3 254 i2c->ADDRMSK0 = u8SlaveAddrMask << 1;
sahilmgandhi 18:6a4db94011d3 255 }
sahilmgandhi 18:6a4db94011d3 256 }
sahilmgandhi 18:6a4db94011d3 257
sahilmgandhi 18:6a4db94011d3 258 /**
sahilmgandhi 18:6a4db94011d3 259 * @brief This function enables timeout function and configures DIV4 function to support long timeout.
sahilmgandhi 18:6a4db94011d3 260 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 261 * @param[in] u8LongTimeout Enable timeout counter input clock is divide by 4.
sahilmgandhi 18:6a4db94011d3 262 * @return none
sahilmgandhi 18:6a4db94011d3 263 */
sahilmgandhi 18:6a4db94011d3 264 void I2C_EnableTimeout(I2C_T *i2c, uint8_t u8LongTimeout)
sahilmgandhi 18:6a4db94011d3 265 {
sahilmgandhi 18:6a4db94011d3 266 if(u8LongTimeout)
sahilmgandhi 18:6a4db94011d3 267 i2c->TOCTL |= I2C_TOCTL_TOCDIV4_Msk;
sahilmgandhi 18:6a4db94011d3 268 else
sahilmgandhi 18:6a4db94011d3 269 i2c->TOCTL &= ~I2C_TOCTL_TOCDIV4_Msk;
sahilmgandhi 18:6a4db94011d3 270
sahilmgandhi 18:6a4db94011d3 271 i2c->TOCTL |= I2C_TOCTL_TOCEN_Msk;
sahilmgandhi 18:6a4db94011d3 272 }
sahilmgandhi 18:6a4db94011d3 273
sahilmgandhi 18:6a4db94011d3 274 /**
sahilmgandhi 18:6a4db94011d3 275 * @brief This function disables time-out function.
sahilmgandhi 18:6a4db94011d3 276 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 277 * @return none
sahilmgandhi 18:6a4db94011d3 278 */
sahilmgandhi 18:6a4db94011d3 279 void I2C_DisableTimeout(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 280 {
sahilmgandhi 18:6a4db94011d3 281 i2c->TOCTL &= ~I2C_TOCTL_TOCEN_Msk;
sahilmgandhi 18:6a4db94011d3 282 }
sahilmgandhi 18:6a4db94011d3 283
sahilmgandhi 18:6a4db94011d3 284 /**
sahilmgandhi 18:6a4db94011d3 285 * @brief This function enables the wakeup function of I2C module.
sahilmgandhi 18:6a4db94011d3 286 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 287 * @return none
sahilmgandhi 18:6a4db94011d3 288 */
sahilmgandhi 18:6a4db94011d3 289 void I2C_EnableWakeup(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 290 {
sahilmgandhi 18:6a4db94011d3 291 i2c->WKCTL |= I2C_WKCTL_WKEN_Msk;
sahilmgandhi 18:6a4db94011d3 292 }
sahilmgandhi 18:6a4db94011d3 293
sahilmgandhi 18:6a4db94011d3 294 /**
sahilmgandhi 18:6a4db94011d3 295 * @brief This function disables the wakeup function of I2C module.
sahilmgandhi 18:6a4db94011d3 296 * @param[in] i2c is the base address of I2C module.
sahilmgandhi 18:6a4db94011d3 297 * @return none
sahilmgandhi 18:6a4db94011d3 298 */
sahilmgandhi 18:6a4db94011d3 299 void I2C_DisableWakeup(I2C_T *i2c)
sahilmgandhi 18:6a4db94011d3 300 {
sahilmgandhi 18:6a4db94011d3 301 i2c->WKCTL &= ~I2C_WKCTL_WKEN_Msk;
sahilmgandhi 18:6a4db94011d3 302 }
sahilmgandhi 18:6a4db94011d3 303
sahilmgandhi 18:6a4db94011d3 304 /*@}*/ /* end of group NUC472_442_I2C_EXPORTED_FUNCTIONS */
sahilmgandhi 18:6a4db94011d3 305
sahilmgandhi 18:6a4db94011d3 306 /*@}*/ /* end of group NUC472_442_I2C_Driver */
sahilmgandhi 18:6a4db94011d3 307
sahilmgandhi 18:6a4db94011d3 308 /*@}*/ /* end of group NUC472_442_Device_Driver */
sahilmgandhi 18:6a4db94011d3 309
sahilmgandhi 18:6a4db94011d3 310 /*** (C) COPYRIGHT 2014 Nuvoton Technology Corp. ***/