38 u32Div = (uint32_t) (((
SystemCoreClock * 10)/(u32BusClock * 4) + 5) / 10 - 1);
58 SYS->IPRST_CTL2 &= ~SYS_IPRST_CTL2_I2C0_RST_Msk;
63 SYS->IPRST_CTL2 &= ~SYS_IPRST_CTL2_I2C1_RST_Msk;
67 i2c->
CON &= ~I2C_CON_IPEN_Msk;
89void I2C_Trigger(
I2C_T *i2c, uint8_t u8Start, uint8_t u8Stop, uint8_t u8Si, uint8_t u8Ack)
103 i2c->
CON = u32Val | u32Reg;
113 i2c->
CON &= ~I2C_CON_INTEN_Msk;
133 uint32_t u32Divider = i2c->
DIV;
148 u32Div = (uint32_t) (((
SystemCoreClock * 10)/(u32BusClock * 4) + 5) / 10 - 1);
193 return ( i2c->
DATA );
222 i2c->
SADDR0 = (u8SlaveAddr << 1) | u8GCMode;
225 i2c->
SADDR1 = (u8SlaveAddr << 1) | u8GCMode;
242 i2c->
SAMASK0 = u8SlaveAddrMask << 1;
245 i2c->
SAMASK1 = u8SlaveAddrMask << 1;
261 i2c->
TOUT &= ~I2C_TOUT_DIV4_Msk;
273 i2c->
TOUT &= ~I2C_TOUT_TOUTEN_Msk;
293 i2c->
WKUPCON &= ~I2C_WKUPCON_WKUPEN_Msk;
Nano100 series peripheral access layer header file. This file contains all the peripheral register's ...
#define I2C_CON_INTEN_Msk
#define I2C_INTSTS_INTSTS_Msk
#define I2C_TOUT_TOUTEN_Msk
#define I2C_WKUPCON_WKUPEN_Msk
#define SYS_IPRST_CTL2_I2C1_RST_Msk
#define I2C_INTSTS_TIF_Msk
#define I2C_TOUT_DIV4_Msk
#define SYS_IPRST_CTL2_I2C0_RST_Msk
void I2C_SetSlaveAddrMask(I2C_T *i2c, uint8_t u8SlaveNo, uint8_t u8SlaveAddrMask)
Configure the mask of slave address. The corresponding address bit is "Don't Care".
void I2C_Close(I2C_T *i2c)
This function closes the I2C module.
uint32_t I2C_SetBusClockFreq(I2C_T *i2c, uint32_t u32BusClock)
This function sets bus frequency of I2C module.
void I2C_Trigger(I2C_T *i2c, uint8_t u8Start, uint8_t u8Stop, uint8_t u8Si, uint8_t u8Ack)
This function sets the control bit of the I2C module.
void I2C_EnableTimeout(I2C_T *i2c, uint8_t u8LongTimeout)
This function enables timeout function and configures DIV4 function to support long timeout.
void I2C_ClearTimeoutFlag(I2C_T *i2c)
This function clears the timeout flag.
void I2C_SetSlaveAddr(I2C_T *i2c, uint8_t u8SlaveNo, uint8_t u8SlaveAddr, uint8_t u8GCMode)
Configure slave address and enable GC mode.
void I2C_SetData(I2C_T *i2c, uint8_t u8Data)
This function writes the data to data register of I2C module.
uint32_t I2C_GetBusClockFreq(I2C_T *i2c)
This function returns the real bus clock of I2C module.
void I2C_EnableInt(I2C_T *i2c)
This function enables the interrupt (EI bit) of I2C module.
void I2C_DisableWakeup(I2C_T *i2c)
This function disables the wakeup function of I2C module.
uint32_t I2C_GetStatus(I2C_T *i2c)
This function returns the status of I2C module.
void I2C_DisableInt(I2C_T *i2c)
This function disables the interrupt of I2C module.
uint32_t I2C_GetData(I2C_T *i2c)
This function returns the data stored in data register of I2C module.
void I2C_EnableWakeup(I2C_T *i2c)
This function enables the wakeup function of I2C module.
void I2C_ClearIntFlag(I2C_T *i2c)
This function clears the interrupt flag of I2C module.
uint32_t I2C_GetIntFlag(I2C_T *i2c)
This function gets the interrupt flag of I2C module.
uint32_t I2C_Open(I2C_T *i2c, uint32_t u32BusClock)
This function make I2C module be ready and set the wanted bus clock.
void I2C_DisableTimeout(I2C_T *i2c)
This function disables timeout function.
#define SYS
Pointer to SYS register structure.
#define I2C0_BASE
I2C0 register base address.