From 1d3861ef93f8423176c6010ab606abdab00a7cbd Mon Sep 17 00:00:00 2001 From: bnewbold Date: Wed, 31 Mar 2010 08:52:45 +0800 Subject: Major hierarchy reorganization; see README. copy-to-ide and Makefile updated to conform; .gitignore added; LICENSE added --- stm32lib/inc/stm32f10x_i2c.h | 281 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 281 insertions(+) create mode 100644 stm32lib/inc/stm32f10x_i2c.h (limited to 'stm32lib/inc/stm32f10x_i2c.h') diff --git a/stm32lib/inc/stm32f10x_i2c.h b/stm32lib/inc/stm32f10x_i2c.h new file mode 100644 index 0000000..7dd6d7d --- /dev/null +++ b/stm32lib/inc/stm32f10x_i2c.h @@ -0,0 +1,281 @@ +/******************** (C) COPYRIGHT 2008 STMicroelectronics ******************** +* File Name : stm32f10x_i2c.h +* Author : MCD Application Team +* Version : V2.0.2 +* Date : 07/11/2008 +* Description : This file contains all the functions prototypes for the +* I2C firmware library. +******************************************************************************** +* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS +* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. +* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, +* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE +* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING +* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. +*******************************************************************************/ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32F10x_I2C_H +#define __STM32F10x_I2C_H + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_map.h" + +/* Exported types ------------------------------------------------------------*/ +/* I2C Init structure definition */ +typedef struct +{ + u16 I2C_Mode; + u16 I2C_DutyCycle; + u16 I2C_OwnAddress1; + u16 I2C_Ack; + u16 I2C_AcknowledgedAddress; + u32 I2C_ClockSpeed; +}I2C_InitTypeDef; + +/* Exported constants --------------------------------------------------------*/ +#define IS_I2C_ALL_PERIPH(PERIPH) (((*(u32*)&(PERIPH)) == I2C1_BASE) || \ + ((*(u32*)&(PERIPH)) == I2C2_BASE)) + +/* I2C modes */ +#define I2C_Mode_I2C ((u16)0x0000) +#define I2C_Mode_SMBusDevice ((u16)0x0002) +#define I2C_Mode_SMBusHost ((u16)0x000A) + +#define IS_I2C_MODE(MODE) (((MODE) == I2C_Mode_I2C) || \ + ((MODE) == I2C_Mode_SMBusDevice) || \ + ((MODE) == I2C_Mode_SMBusHost)) +/* I2C duty cycle in fast mode */ +#define I2C_DutyCycle_16_9 ((u16)0x4000) +#define I2C_DutyCycle_2 ((u16)0xBFFF) + +#define IS_I2C_DUTY_CYCLE(CYCLE) (((CYCLE) == I2C_DutyCycle_16_9) || \ + ((CYCLE) == I2C_DutyCycle_2)) + +/* I2C cknowledgementy */ +#define I2C_Ack_Enable ((u16)0x0400) +#define I2C_Ack_Disable ((u16)0x0000) + +#define IS_I2C_ACK_STATE(STATE) (((STATE) == I2C_Ack_Enable) || \ + ((STATE) == I2C_Ack_Disable)) + +/* I2C transfer direction */ +#define I2C_Direction_Transmitter ((u8)0x00) +#define I2C_Direction_Receiver ((u8)0x01) + +#define IS_I2C_DIRECTION(DIRECTION) (((DIRECTION) == I2C_Direction_Transmitter) || \ + ((DIRECTION) == I2C_Direction_Receiver)) + +/* I2C acknowledged address defines */ +#define I2C_AcknowledgedAddress_7bit ((u16)0x4000) +#define I2C_AcknowledgedAddress_10bit ((u16)0xC000) + +#define IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS) (((ADDRESS) == I2C_AcknowledgedAddress_7bit) || \ + ((ADDRESS) == I2C_AcknowledgedAddress_10bit)) + +/* I2C registers */ +#define I2C_Register_CR1 ((u8)0x00) +#define I2C_Register_CR2 ((u8)0x04) +#define I2C_Register_OAR1 ((u8)0x08) +#define I2C_Register_OAR2 ((u8)0x0C) +#define I2C_Register_DR ((u8)0x10) +#define I2C_Register_SR1 ((u8)0x14) +#define I2C_Register_SR2 ((u8)0x18) +#define I2C_Register_CCR ((u8)0x1C) +#define I2C_Register_TRISE ((u8)0x20) + +#define IS_I2C_REGISTER(REGISTER) (((REGISTER) == I2C_Register_CR1) || \ + ((REGISTER) == I2C_Register_CR2) || \ + ((REGISTER) == I2C_Register_OAR1) || \ + ((REGISTER) == I2C_Register_OAR2) || \ + ((REGISTER) == I2C_Register_DR) || \ + ((REGISTER) == I2C_Register_SR1) || \ + ((REGISTER) == I2C_Register_SR2) || \ + ((REGISTER) == I2C_Register_CCR) || \ + ((REGISTER) == I2C_Register_TRISE)) + +/* I2C SMBus alert pin level */ +#define I2C_SMBusAlert_Low ((u16)0x2000) +#define I2C_SMBusAlert_High ((u16)0xDFFF) + +#define IS_I2C_SMBUS_ALERT(ALERT) (((ALERT) == I2C_SMBusAlert_Low) || \ + ((ALERT) == I2C_SMBusAlert_High)) + +/* I2C PEC position */ +#define I2C_PECPosition_Next ((u16)0x0800) +#define I2C_PECPosition_Current ((u16)0xF7FF) + +#define IS_I2C_PEC_POSITION(POSITION) (((POSITION) == I2C_PECPosition_Next) || \ + ((POSITION) == I2C_PECPosition_Current)) + +/* I2C interrupts definition */ +#define I2C_IT_BUF ((u16)0x0400) +#define I2C_IT_EVT ((u16)0x0200) +#define I2C_IT_ERR ((u16)0x0100) + +#define IS_I2C_CONFIG_IT(IT) ((((IT) & (u16)0xF8FF) == 0x00) && ((IT) != 0x00)) + +/* I2C interrupts definition */ +#define I2C_IT_SMBALERT ((u32)0x01008000) +#define I2C_IT_TIMEOUT ((u32)0x01004000) +#define I2C_IT_PECERR ((u32)0x01001000) +#define I2C_IT_OVR ((u32)0x01000800) +#define I2C_IT_AF ((u32)0x01000400) +#define I2C_IT_ARLO ((u32)0x01000200) +#define I2C_IT_BERR ((u32)0x01000100) +#define I2C_IT_TXE ((u32)0x06000080) +#define I2C_IT_RXNE ((u32)0x06000040) +#define I2C_IT_STOPF ((u32)0x02000010) +#define I2C_IT_ADD10 ((u32)0x02000008) +#define I2C_IT_BTF ((u32)0x02000004) +#define I2C_IT_ADDR ((u32)0x02000002) +#define I2C_IT_SB ((u32)0x02000001) + +#define IS_I2C_CLEAR_IT(IT) ((((IT) & (u16)0x20FF) == 0x00) && ((IT) != (u16)0x00)) + +#define IS_I2C_GET_IT(IT) (((IT) == I2C_IT_SMBALERT) || ((IT) == I2C_IT_TIMEOUT) || \ + ((IT) == I2C_IT_PECERR) || ((IT) == I2C_IT_OVR) || \ + ((IT) == I2C_IT_AF) || ((IT) == I2C_IT_ARLO) || \ + ((IT) == I2C_IT_BERR) || ((IT) == I2C_IT_TXE) || \ + ((IT) == I2C_IT_RXNE) || ((IT) == I2C_IT_STOPF) || \ + ((IT) == I2C_IT_ADD10) || ((IT) == I2C_IT_BTF) || \ + ((IT) == I2C_IT_ADDR) || ((IT) == I2C_IT_SB)) + +/* I2C flags definition */ +/* SR2 register flags */ +#define I2C_FLAG_DUALF ((u32)0x00800000) +#define I2C_FLAG_SMBHOST ((u32)0x00400000) +#define I2C_FLAG_SMBDEFAULT ((u32)0x00200000) +#define I2C_FLAG_GENCALL ((u32)0x00100000) +#define I2C_FLAG_TRA ((u32)0x00040000) +#define I2C_FLAG_BUSY ((u32)0x00020000) +#define I2C_FLAG_MSL ((u32)0x00010000) +/* SR1 register flags */ +#define I2C_FLAG_SMBALERT ((u32)0x10008000) +#define I2C_FLAG_TIMEOUT ((u32)0x10004000) +#define I2C_FLAG_PECERR ((u32)0x10001000) +#define I2C_FLAG_OVR ((u32)0x10000800) +#define I2C_FLAG_AF ((u32)0x10000400) +#define I2C_FLAG_ARLO ((u32)0x10000200) +#define I2C_FLAG_BERR ((u32)0x10000100) +#define I2C_FLAG_TXE ((u32)0x10000080) +#define I2C_FLAG_RXNE ((u32)0x10000040) +#define I2C_FLAG_STOPF ((u32)0x10000010) +#define I2C_FLAG_ADD10 ((u32)0x10000008) +#define I2C_FLAG_BTF ((u32)0x10000004) +#define I2C_FLAG_ADDR ((u32)0x10000002) +#define I2C_FLAG_SB ((u32)0x10000001) + +#define IS_I2C_CLEAR_FLAG(FLAG) ((((FLAG) & (u16)0x20FF) == 0x00) && ((FLAG) != (u16)0x00)) + +#define IS_I2C_GET_FLAG(FLAG) (((FLAG) == I2C_FLAG_DUALF) || ((FLAG) == I2C_FLAG_SMBHOST) || \ + ((FLAG) == I2C_FLAG_SMBDEFAULT) || ((FLAG) == I2C_FLAG_GENCALL) || \ + ((FLAG) == I2C_FLAG_TRA) || ((FLAG) == I2C_FLAG_BUSY) || \ + ((FLAG) == I2C_FLAG_MSL) || ((FLAG) == I2C_FLAG_SMBALERT) || \ + ((FLAG) == I2C_FLAG_TIMEOUT) || ((FLAG) == I2C_FLAG_PECERR) || \ + ((FLAG) == I2C_FLAG_OVR) || ((FLAG) == I2C_FLAG_AF) || \ + ((FLAG) == I2C_FLAG_ARLO) || ((FLAG) == I2C_FLAG_BERR) || \ + ((FLAG) == I2C_FLAG_TXE) || ((FLAG) == I2C_FLAG_RXNE) || \ + ((FLAG) == I2C_FLAG_STOPF) || ((FLAG) == I2C_FLAG_ADD10) || \ + ((FLAG) == I2C_FLAG_BTF) || ((FLAG) == I2C_FLAG_ADDR) || \ + ((FLAG) == I2C_FLAG_SB)) + +/* I2C Events */ +/* EV1 */ +#define I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED ((u32)0x00060082) /* TRA, BUSY, TXE and ADDR flags */ +#define I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED ((u32)0x00020002) /* BUSY and ADDR flags */ +#define I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED ((u32)0x00860080) /* DUALF, TRA, BUSY and TXE flags */ +#define I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED ((u32)0x00820000) /* DUALF and BUSY flags */ +#define I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED ((u32)0x00120000) /* GENCALL and BUSY flags */ + +/* EV2 */ +#define I2C_EVENT_SLAVE_BYTE_RECEIVED ((u32)0x00020040) /* BUSY and RXNE flags */ + +/* EV3 */ +#define I2C_EVENT_SLAVE_BYTE_TRANSMITTED ((u32)0x00060084) /* TRA, BUSY, TXE and BTF flags */ + +/* EV4 */ +#define I2C_EVENT_SLAVE_STOP_DETECTED ((u32)0x00000010) /* STOPF flag */ + +/* EV5 */ +#define I2C_EVENT_MASTER_MODE_SELECT ((u32)0x00030001) /* BUSY, MSL and SB flag */ + +/* EV6 */ +#define I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED ((u32)0x00070082) /* BUSY, MSL, ADDR, TXE and TRA flags */ +#define I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED ((u32)0x00030002) /* BUSY, MSL and ADDR flags */ + +/* EV7 */ +#define I2C_EVENT_MASTER_BYTE_RECEIVED ((u32)0x00030040) /* BUSY, MSL and RXNE flags */ + +/* EV8 */ +#define I2C_EVENT_MASTER_BYTE_TRANSMITTED ((u32)0x00070084) /* TRA, BUSY, MSL, TXE and BTF flags */ + +/* EV9 */ +#define I2C_EVENT_MASTER_MODE_ADDRESS10 ((u32)0x00030008) /* BUSY, MSL and ADD10 flags */ + +/* EV3_2 */ +#define I2C_EVENT_SLAVE_ACK_FAILURE ((u32)0x00000400) /* AF flag */ + +#define IS_I2C_EVENT(EVENT) (((EVENT) == I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED) || \ + ((EVENT) == I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED) || \ + ((EVENT) == I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED) || \ + ((EVENT) == I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED) || \ + ((EVENT) == I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED) || \ + ((EVENT) == I2C_EVENT_SLAVE_BYTE_RECEIVED) || \ + ((EVENT) == (I2C_EVENT_SLAVE_BYTE_RECEIVED | I2C_FLAG_DUALF)) || \ + ((EVENT) == (I2C_EVENT_SLAVE_BYTE_RECEIVED | I2C_FLAG_GENCALL)) || \ + ((EVENT) == I2C_EVENT_SLAVE_BYTE_TRANSMITTED) || \ + ((EVENT) == (I2C_EVENT_SLAVE_BYTE_TRANSMITTED | I2C_FLAG_DUALF)) || \ + ((EVENT) == (I2C_EVENT_SLAVE_BYTE_TRANSMITTED | I2C_FLAG_GENCALL)) || \ + ((EVENT) == I2C_EVENT_SLAVE_STOP_DETECTED) || \ + ((EVENT) == I2C_EVENT_MASTER_MODE_SELECT) || \ + ((EVENT) == I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED) || \ + ((EVENT) == I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED) || \ + ((EVENT) == I2C_EVENT_MASTER_BYTE_RECEIVED) || \ + ((EVENT) == I2C_EVENT_MASTER_BYTE_TRANSMITTED) || \ + ((EVENT) == I2C_EVENT_MASTER_MODE_ADDRESS10) || \ + ((EVENT) == I2C_EVENT_SLAVE_ACK_FAILURE)) + +/* I2C own address1 -----------------------------------------------------------*/ +#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= 0x3FF) +/* I2C clock speed ------------------------------------------------------------*/ +#define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) >= 0x1) && ((SPEED) <= 400000)) + +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +void I2C_DeInit(I2C_TypeDef* I2Cx); +void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct); +void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct); +void I2C_Cmd(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_DMACmd(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_DMALastTransferCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_OwnAddress2Config(I2C_TypeDef* I2Cx, u8 Address); +void I2C_DualAddressCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_GeneralCallCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_ITConfig(I2C_TypeDef* I2Cx, u16 I2C_IT, FunctionalState NewState); +void I2C_SendData(I2C_TypeDef* I2Cx, u8 Data); +u8 I2C_ReceiveData(I2C_TypeDef* I2Cx); +void I2C_Send7bitAddress(I2C_TypeDef* I2Cx, u8 Address, u8 I2C_Direction); +u16 I2C_ReadRegister(I2C_TypeDef* I2Cx, u8 I2C_Register); +void I2C_SoftwareResetCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_SMBusAlertConfig(I2C_TypeDef* I2Cx, u16 I2C_SMBusAlert); +void I2C_TransmitPEC(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_PECPositionConfig(I2C_TypeDef* I2Cx, u16 I2C_PECPosition); +void I2C_CalculatePEC(I2C_TypeDef* I2Cx, FunctionalState NewState); +u8 I2C_GetPEC(I2C_TypeDef* I2Cx); +void I2C_ARPCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_StretchClockCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); +void I2C_FastModeDutyCycleConfig(I2C_TypeDef* I2Cx, u16 I2C_DutyCycle); +u32 I2C_GetLastEvent(I2C_TypeDef* I2Cx); +ErrorStatus I2C_CheckEvent(I2C_TypeDef* I2Cx, u32 I2C_EVENT); +FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, u32 I2C_FLAG); +void I2C_ClearFlag(I2C_TypeDef* I2Cx, u32 I2C_FLAG); +ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, u32 I2C_IT); +void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, u32 I2C_IT); + +#endif /*__STM32F10x_I2C_H */ + +/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3