30#define I2C_TIMEOUT_ERR (-1L)
35#define I2C_CTL_STA_SI 0x28UL
36#define I2C_CTL_STA_SI_AA 0x2CUL
37#define I2C_CTL_STO_SI 0x18UL
38#define I2C_CTL_STO_SI_AA 0x1CUL
39#define I2C_CTL_SI 0x08UL
40#define I2C_CTL_SI_AA 0x0CUL
41#define I2C_CTL_STA 0x20UL
42#define I2C_CTL_STO 0x10UL
43#define I2C_CTL_AA 0x04UL
48#define I2C_GCMODE_ENABLE 1
49#define I2C_GCMODE_DISABLE 0
54#define I2C_SMBH_ENABLE 1
55#define I2C_SMBD_ENABLE 0
56#define I2C_PECTX_ENABLE 1
57#define I2C_PECTX_DISABLE 0
77#define I2C_SET_CONTROL_REG(i2c, u8Ctrl) ((i2c)->CTL0 = ((i2c)->CTL0 & ~0x3c) | (u8Ctrl))
89#define I2C_START(i2c) ((i2c)->CTL0 = ((i2c)->CTL0 & ~I2C_CTL0_SI_Msk) | I2C_CTL0_STA_Msk)
101#define I2C_WAIT_READY(i2c) while(!((i2c)->CTL0 & I2C_CTL0_SI_Msk))
113#define I2C_GET_DATA(i2c) ((i2c)->DAT)
126#define I2C_SET_DATA(i2c, u8Data) ((i2c)->DAT = (u8Data))
138#define I2C_GET_STATUS(i2c) ((i2c)->STATUS0)
151#define I2C_GET_TIMEOUT_FLAG(i2c) ( ((i2c)->TOCTL & I2C_TOCTL_TOIF_Msk) == I2C_TOCTL_TOIF_Msk ? 1:0 )
164#define I2C_GET_WAKEUP_FLAG(i2c) ( ((i2c)->WKSTS & I2C_WKSTS_WKIF_Msk) == I2C_WKSTS_WKIF_Msk ? 1:0 )
176#define I2C_CLEAR_WAKEUP_FLAG(i2c) ((i2c)->WKSTS = I2C_WKSTS_WKIF_Msk)
189#define I2C_SMBUS_GET_STATUS(i2c) ((i2c)->BUSSTS)
201#define I2C_SMBUS_GET_PEC_VALUE(i2c) ((i2c)->PKTCRC)
214#define I2C_SMBUS_SET_PACKET_BYTE_COUNT(i2c, u32PktSize) ((i2c)->PKTSIZE = (u32PktSize))
227#define I2C_SMBUS_ENABLE_ALERT(i2c) ((i2c)->BUSCTL |= I2C_BUSCTL_ALERTEN_Msk)
240#define I2C_SMBUS_DISABLE_ALERT(i2c) ((i2c)->BUSCTL &= ~I2C_BUSCTL_ALERTEN_Msk)
253#define I2C_SMBUS_SET_SUSCON_OUT(i2c) ((i2c)->BUSCTL |= I2C_BUSCTL_SCTLOEN_Msk)
266#define I2C_SMBUS_SET_SUSCON_IN(i2c) ((i2c)->BUSCTL &= ~I2C_BUSCTL_SCTLOEN_Msk)
278#define I2C_SMBUS_SET_SUSCON_HIGH(i2c) ((i2c)->BUSCTL |= I2C_BUSCTL_SCTLOSTS_Msk)
291#define I2C_SMBUS_SET_SUSCON_LOW(i2c) ((i2c)->BUSCTL &= ~I2C_BUSCTL_SCTLOSTS_Msk)
303#define I2C_SMBUS_ACK_MANUAL(i2c) ((i2c)->BUSCTL |= I2C_BUSCTL_ACKMEN_Msk)
315#define I2C_SMBUS_ACK_AUTO(i2c) ((i2c)->BUSCTL &= ~I2C_BUSCTL_ACKMEN_Msk)
327#define I2C_SMBUS_9THBIT_INT_ENABLE(i2c) ((i2c)->BUSCTL |= I2C_BUSCTL_ACKM9SI_Msk)
339#define I2C_SMBUS_9THBIT_INT_DISABLE(i2c) ((i2c)->BUSCTL &= ~I2C_BUSCTL_ACKM9SI_Msk)
351#define I2C_SMBUS_RST_PEC_AT_START_ENABLE(i2c) ((i2c)->BUSCTL |= I2C_BUSCTL_PECCLR_Msk)
363#define I2C_SMBUS_RST_PEC_AT_START_DISABLE(i2c) ((i2c)->BUSCTL &= ~I2C_BUSCTL_PECCLR_Msk)
372#define I2C_ENABLE_RX_PDMA(i2c) ((i2c)->CTL1 |= I2C_CTL1_RXPDMAEN_Msk)
381#define I2C_ENABLE_TX_PDMA(i2c) ((i2c)->CTL1 |= I2C_CTL1_TXPDMAEN_Msk)
390#define I2C_DISABLE_RX_PDMA(i2c) ((i2c)->CTL1 &= ~I2C_CTL1_RXPDMAEN_Msk)
399#define I2C_DISABLE_TX_PDMA(i2c) ((i2c)->CTL1 &= ~I2C_CTL1_TXPDMAEN_Msk)
408#define I2C_ENABLE_PDMA_STRETCH(i2c) ((i2c)->CTL1 |= I2C_CTL1_PDMASTR_Msk)
417#define I2C_DISABLE_PDMA_STRETCH(i2c) ((i2c)->CTL1 &= ~I2C_CTL1_PDMASTR_Msk)
426#define I2C_DISABLE_RST_PDMA(i2c) ((i2c)->CTL1 |= I2C_CTL1_PDMARST_Msk)
451 if(u32TimeOutCount == 0)
break;
457void I2C_Trigger(
I2C_T *i2c, uint8_t u8Start, uint8_t u8Stop, uint8_t u8Si, uint8_t u8Ack);
uint32_t I2C_SMBusGetStatus(I2C_T *i2c)
To get SMBus Status.
void I2C_SMBusIdleTimeout(I2C_T *i2c, uint32_t us, uint32_t u32Hclk)
Calculate Time-out of SMBus idle period.
uint32_t I2C_WriteMultiBytesTwoRegs(I2C_T *i2c, uint8_t u8SlaveAddr, uint16_t u16DataAddr, uint8_t data[], uint32_t u32wLen)
Specify two bytes register address and write multi bytes to Slave.
void I2C_SetSlaveAddrMask(I2C_T *i2c, uint8_t u8SlaveNo, uint8_t u8SlaveAddrMask)
Configure the mask bits of 7-bit Slave Address.
void I2C_Close(I2C_T *i2c)
Disable specify I2C Controller.
void I2C_SMBusSetPacketByteCount(I2C_T *i2c, uint32_t u32PktSize)
Set SMBus Bytes Counts of Transmission or Reception.
uint32_t I2C_SetBusClockFreq(I2C_T *i2c, uint32_t u32BusClock)
Set I2C Bus Clock.
uint32_t I2C_ReadMultiBytesOneReg(I2C_T *i2c, uint8_t u8SlaveAddr, uint8_t u8DataAddr, uint8_t rdata[], uint32_t u32rLen)
Specify a byte register address and read multi bytes from Slave.
void I2C_Trigger(I2C_T *i2c, uint8_t u8Start, uint8_t u8Stop, uint8_t u8Si, uint8_t u8Ack)
Set Control bit of I2C Controller.
void I2C_SMBusClose(I2C_T *i2c)
Disable SMBus function.
void I2C_EnableTimeout(I2C_T *i2c, uint8_t u8LongTimeout)
Enable Time-out Counter Function and support Long Time-out.
void I2C_SMBusClockLoTimeout(I2C_T *i2c, uint32_t ms, uint32_t u32Pclk)
Calculate Cumulative Clock low Time-out of SMBus active period.
void I2C_ClearTimeoutFlag(I2C_T *i2c)
Clear Time-out Counter flag.
__STATIC_INLINE void I2C_STOP(I2C_T *i2c)
The macro is used to set STOP condition of I2C Bus.
void I2C_SetSlaveAddr(I2C_T *i2c, uint8_t u8SlaveNo, uint8_t u8SlaveAddr, uint8_t u8GCMode)
Set 7-bit Slave Address and GC Mode.
void I2C_SetData(I2C_T *i2c, uint8_t u8Data)
Send a byte to I2C Bus.
uint32_t I2C_GetBusClockFreq(I2C_T *i2c)
Get I2C Bus Clock.
void I2C_EnableInt(I2C_T *i2c)
Enable Interrupt of I2C Controller.
uint8_t I2C_ReadByte(I2C_T *i2c, uint8_t u8SlaveAddr)
Read a byte from Slave.
void I2C_DisableWakeup(I2C_T *i2c)
Disable I2C Wake-up Function.
uint32_t I2C_ReadMultiBytes(I2C_T *i2c, uint8_t u8SlaveAddr, uint8_t rdata[], uint32_t u32rLen)
Read multi bytes from Slave.
uint32_t I2C_GetStatus(I2C_T *i2c)
Get I2C Bus Status Code.
uint32_t I2C_WriteMultiBytes(I2C_T *i2c, uint8_t u8SlaveAddr, uint8_t data[], uint32_t u32wLen)
Write multi bytes to Slave.
void I2C_DisableInt(I2C_T *i2c)
Disable Interrupt of I2C Controller.
uint32_t I2C_ReadMultiBytesTwoRegs(I2C_T *i2c, uint8_t u8SlaveAddr, uint16_t u16DataAddr, uint8_t rdata[], uint32_t u32rLen)
Specify two bytes register address and read multi bytes from Slave.
uint32_t I2C_WriteMultiBytesOneReg(I2C_T *i2c, uint8_t u8SlaveAddr, uint8_t u8DataAddr, uint8_t data[], uint32_t u32wLen)
Specify a byte register address and write multi bytes to Slave.
uint8_t I2C_WriteByteTwoRegs(I2C_T *i2c, uint8_t u8SlaveAddr, uint16_t u16DataAddr, uint8_t data)
Specify two bytes register address and Write a byte to Slave.
uint8_t I2C_ReadByteOneReg(I2C_T *i2c, uint8_t u8SlaveAddr, uint8_t u8DataAddr)
Specify a byte register address and read a byte from Slave.
void I2C_SMBusPECTxEnable(I2C_T *i2c, uint8_t u8PECTxEn)
Enable SMBus PEC Transmit Function.
void I2C_EnableWakeup(I2C_T *i2c)
Enable I2C Wake-up Function.
uint8_t I2C_ReadByteTwoRegs(I2C_T *i2c, uint8_t u8SlaveAddr, uint16_t u16DataAddr)
Specify two bytes register address and read a byte from Slave.
void I2C_SMBusOpen(I2C_T *i2c, uint8_t u8HostDevice)
Init SMBus Host/Device Mode.
uint32_t I2C_GetIntFlag(I2C_T *i2c)
Get Interrupt Flag.
void I2C_SMBusTimeout(I2C_T *i2c, uint32_t ms, uint32_t u32Pclk)
Calculate Time-out of SMBus active period.
uint8_t I2C_WriteByteOneReg(I2C_T *i2c, uint8_t u8SlaveAddr, uint8_t u8DataAddr, uint8_t data)
Specify a byte register address and write a byte to Slave.
uint8_t I2C_GetData(I2C_T *i2c)
Read a Byte from I2C Bus.
uint8_t I2C_SMBusGetPECValue(I2C_T *i2c)
Get SMBus CRC value.
uint32_t I2C_Open(I2C_T *i2c, uint32_t u32BusClock)
Enable specify I2C Controller and set Clock Divider.
void I2C_DisableTimeout(I2C_T *i2c)
Disable Time-out Counter Function.
void I2C_SMBusClearInterruptFlag(I2C_T *i2c, uint8_t u8SMBusIntFlag)
Clear SMBus Interrupt Flag.
uint8_t I2C_WriteByte(I2C_T *i2c, uint8_t u8SlaveAddr, uint8_t data)
Write a byte to Slave.