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TARGET_NUCLEO_F030R8/stm32f0xx_i2c.h@86:4f9a848d74c7, 2014-06-25 (annotated)
- Committer:
- erezi
- Date:
- Wed Jun 25 06:08:49 2014 +0000
- Revision:
- 86:4f9a848d74c7
- Parent:
- 81:7d30d6019079
version_2.0
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| emilmont | 77:869cf507173a | 1 | /** |
| emilmont | 77:869cf507173a | 2 | ****************************************************************************** |
| emilmont | 77:869cf507173a | 3 | * @file stm32f0xx_i2c.h |
| emilmont | 77:869cf507173a | 4 | * @author MCD Application Team |
| emilmont | 77:869cf507173a | 5 | * @version V1.3.0 |
| emilmont | 77:869cf507173a | 6 | * @date 16-January-2014 |
| emilmont | 77:869cf507173a | 7 | * @brief This file contains all the functions prototypes for the I2C firmware |
| emilmont | 77:869cf507173a | 8 | * library |
| emilmont | 77:869cf507173a | 9 | ****************************************************************************** |
| emilmont | 77:869cf507173a | 10 | * @attention |
| emilmont | 77:869cf507173a | 11 | * |
| bogdanm | 81:7d30d6019079 | 12 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
| emilmont | 77:869cf507173a | 13 | * |
| bogdanm | 81:7d30d6019079 | 14 | * Redistribution and use in source and binary forms, with or without modification, |
| bogdanm | 81:7d30d6019079 | 15 | * are permitted provided that the following conditions are met: |
| bogdanm | 81:7d30d6019079 | 16 | * 1. Redistributions of source code must retain the above copyright notice, |
| bogdanm | 81:7d30d6019079 | 17 | * this list of conditions and the following disclaimer. |
| bogdanm | 81:7d30d6019079 | 18 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| bogdanm | 81:7d30d6019079 | 19 | * this list of conditions and the following disclaimer in the documentation |
| bogdanm | 81:7d30d6019079 | 20 | * and/or other materials provided with the distribution. |
| bogdanm | 81:7d30d6019079 | 21 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| bogdanm | 81:7d30d6019079 | 22 | * may be used to endorse or promote products derived from this software |
| bogdanm | 81:7d30d6019079 | 23 | * without specific prior written permission. |
| emilmont | 77:869cf507173a | 24 | * |
| bogdanm | 81:7d30d6019079 | 25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| bogdanm | 81:7d30d6019079 | 26 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| bogdanm | 81:7d30d6019079 | 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| bogdanm | 81:7d30d6019079 | 28 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| bogdanm | 81:7d30d6019079 | 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| bogdanm | 81:7d30d6019079 | 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| bogdanm | 81:7d30d6019079 | 31 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| bogdanm | 81:7d30d6019079 | 32 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| bogdanm | 81:7d30d6019079 | 33 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| bogdanm | 81:7d30d6019079 | 34 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| emilmont | 77:869cf507173a | 35 | * |
| emilmont | 77:869cf507173a | 36 | ****************************************************************************** |
| emilmont | 77:869cf507173a | 37 | */ |
| emilmont | 77:869cf507173a | 38 | |
| emilmont | 77:869cf507173a | 39 | /* Define to prevent recursive inclusion -------------------------------------*/ |
| emilmont | 77:869cf507173a | 40 | #ifndef __STM32F0XX_I2C_H |
| emilmont | 77:869cf507173a | 41 | #define __STM32F0XX_I2C_H |
| emilmont | 77:869cf507173a | 42 | |
| emilmont | 77:869cf507173a | 43 | #ifdef __cplusplus |
| emilmont | 77:869cf507173a | 44 | extern "C" { |
| emilmont | 77:869cf507173a | 45 | #endif |
| emilmont | 77:869cf507173a | 46 | |
| emilmont | 77:869cf507173a | 47 | /* Includes ------------------------------------------------------------------*/ |
| emilmont | 77:869cf507173a | 48 | #include "stm32f0xx.h" |
| emilmont | 77:869cf507173a | 49 | |
| emilmont | 77:869cf507173a | 50 | /** @addtogroup STM32F0xx_StdPeriph_Driver |
| emilmont | 77:869cf507173a | 51 | * @{ |
| emilmont | 77:869cf507173a | 52 | */ |
| emilmont | 77:869cf507173a | 53 | |
| emilmont | 77:869cf507173a | 54 | /** @addtogroup I2C |
| emilmont | 77:869cf507173a | 55 | * @{ |
| emilmont | 77:869cf507173a | 56 | */ |
| emilmont | 77:869cf507173a | 57 | |
| emilmont | 77:869cf507173a | 58 | /* Exported types ------------------------------------------------------------*/ |
| emilmont | 77:869cf507173a | 59 | |
| emilmont | 77:869cf507173a | 60 | /** |
| emilmont | 77:869cf507173a | 61 | * @brief I2C Init structure definition |
| emilmont | 77:869cf507173a | 62 | */ |
| emilmont | 77:869cf507173a | 63 | |
| emilmont | 77:869cf507173a | 64 | typedef struct |
| emilmont | 77:869cf507173a | 65 | { |
| emilmont | 77:869cf507173a | 66 | uint32_t I2C_Timing; /*!< Specifies the I2C_TIMINGR_register value. |
| emilmont | 77:869cf507173a | 67 | This parameter must be set by referring to I2C_Timing_Config_Tool*/ |
| emilmont | 77:869cf507173a | 68 | |
| emilmont | 77:869cf507173a | 69 | uint32_t I2C_AnalogFilter; /*!< Enables or disables analog noise filter. |
| emilmont | 77:869cf507173a | 70 | This parameter can be a value of @ref I2C_Analog_Filter*/ |
| emilmont | 77:869cf507173a | 71 | |
| emilmont | 77:869cf507173a | 72 | uint32_t I2C_DigitalFilter; /*!< Configures the digital noise filter. |
| emilmont | 77:869cf507173a | 73 | This parameter can be a number between 0x00 and 0x0F*/ |
| emilmont | 77:869cf507173a | 74 | |
| emilmont | 77:869cf507173a | 75 | uint32_t I2C_Mode; /*!< Specifies the I2C mode. |
| emilmont | 77:869cf507173a | 76 | This parameter can be a value of @ref I2C_mode*/ |
| emilmont | 77:869cf507173a | 77 | |
| emilmont | 77:869cf507173a | 78 | uint32_t I2C_OwnAddress1; /*!< Specifies the device own address 1. |
| emilmont | 77:869cf507173a | 79 | This parameter can be a 7-bit or 10-bit address*/ |
| emilmont | 77:869cf507173a | 80 | |
| emilmont | 77:869cf507173a | 81 | uint32_t I2C_Ack; /*!< Enables or disables the acknowledgement. |
| emilmont | 77:869cf507173a | 82 | This parameter can be a value of @ref I2C_acknowledgement*/ |
| emilmont | 77:869cf507173a | 83 | |
| emilmont | 77:869cf507173a | 84 | uint32_t I2C_AcknowledgedAddress; /*!< Specifies if 7-bit or 10-bit address is acknowledged. |
| emilmont | 77:869cf507173a | 85 | This parameter can be a value of @ref I2C_acknowledged_address*/ |
| emilmont | 77:869cf507173a | 86 | }I2C_InitTypeDef; |
| emilmont | 77:869cf507173a | 87 | |
| emilmont | 77:869cf507173a | 88 | /* Exported constants --------------------------------------------------------*/ |
| emilmont | 77:869cf507173a | 89 | |
| emilmont | 77:869cf507173a | 90 | |
| emilmont | 77:869cf507173a | 91 | /** @defgroup I2C_Exported_Constants |
| emilmont | 77:869cf507173a | 92 | * @{ |
| emilmont | 77:869cf507173a | 93 | */ |
| emilmont | 77:869cf507173a | 94 | |
| emilmont | 77:869cf507173a | 95 | #define IS_I2C_ALL_PERIPH(PERIPH) (((PERIPH) == I2C1) || \ |
| emilmont | 77:869cf507173a | 96 | ((PERIPH) == I2C2)) |
| emilmont | 77:869cf507173a | 97 | |
| emilmont | 77:869cf507173a | 98 | #define IS_I2C_1_PERIPH(PERIPH) ((PERIPH) == I2C1) |
| emilmont | 77:869cf507173a | 99 | |
| emilmont | 77:869cf507173a | 100 | /** @defgroup I2C_Analog_Filter |
| emilmont | 77:869cf507173a | 101 | * @{ |
| emilmont | 77:869cf507173a | 102 | */ |
| emilmont | 77:869cf507173a | 103 | |
| emilmont | 77:869cf507173a | 104 | #define I2C_AnalogFilter_Enable ((uint32_t)0x00000000) |
| emilmont | 77:869cf507173a | 105 | #define I2C_AnalogFilter_Disable I2C_CR1_ANFOFF |
| emilmont | 77:869cf507173a | 106 | |
| emilmont | 77:869cf507173a | 107 | #define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_AnalogFilter_Enable) || \ |
| emilmont | 77:869cf507173a | 108 | ((FILTER) == I2C_AnalogFilter_Disable)) |
| emilmont | 77:869cf507173a | 109 | /** |
| emilmont | 77:869cf507173a | 110 | * @} |
| emilmont | 77:869cf507173a | 111 | */ |
| emilmont | 77:869cf507173a | 112 | |
| emilmont | 77:869cf507173a | 113 | /** @defgroup I2C_Digital_Filter |
| emilmont | 77:869cf507173a | 114 | * @{ |
| emilmont | 77:869cf507173a | 115 | */ |
| emilmont | 77:869cf507173a | 116 | |
| emilmont | 77:869cf507173a | 117 | #define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F) |
| emilmont | 77:869cf507173a | 118 | /** |
| emilmont | 77:869cf507173a | 119 | * @} |
| emilmont | 77:869cf507173a | 120 | */ |
| emilmont | 77:869cf507173a | 121 | |
| emilmont | 77:869cf507173a | 122 | /** @defgroup I2C_mode |
| emilmont | 77:869cf507173a | 123 | * @{ |
| emilmont | 77:869cf507173a | 124 | */ |
| emilmont | 77:869cf507173a | 125 | |
| emilmont | 77:869cf507173a | 126 | #define I2C_Mode_I2C ((uint32_t)0x00000000) |
| emilmont | 77:869cf507173a | 127 | #define I2C_Mode_SMBusDevice I2C_CR1_SMBDEN |
| emilmont | 77:869cf507173a | 128 | #define I2C_Mode_SMBusHost I2C_CR1_SMBHEN |
| emilmont | 77:869cf507173a | 129 | |
| emilmont | 77:869cf507173a | 130 | #define IS_I2C_MODE(MODE) (((MODE) == I2C_Mode_I2C) || \ |
| emilmont | 77:869cf507173a | 131 | ((MODE) == I2C_Mode_SMBusDevice) || \ |
| emilmont | 77:869cf507173a | 132 | ((MODE) == I2C_Mode_SMBusHost)) |
| emilmont | 77:869cf507173a | 133 | /** |
| emilmont | 77:869cf507173a | 134 | * @} |
| emilmont | 77:869cf507173a | 135 | */ |
| emilmont | 77:869cf507173a | 136 | |
| emilmont | 77:869cf507173a | 137 | /** @defgroup I2C_acknowledgement |
| emilmont | 77:869cf507173a | 138 | * @{ |
| emilmont | 77:869cf507173a | 139 | */ |
| emilmont | 77:869cf507173a | 140 | |
| emilmont | 77:869cf507173a | 141 | #define I2C_Ack_Enable ((uint32_t)0x00000000) |
| emilmont | 77:869cf507173a | 142 | #define I2C_Ack_Disable I2C_CR2_NACK |
| emilmont | 77:869cf507173a | 143 | |
| emilmont | 77:869cf507173a | 144 | #define IS_I2C_ACK(ACK) (((ACK) == I2C_Ack_Enable) || \ |
| emilmont | 77:869cf507173a | 145 | ((ACK) == I2C_Ack_Disable)) |
| emilmont | 77:869cf507173a | 146 | /** |
| emilmont | 77:869cf507173a | 147 | * @} |
| emilmont | 77:869cf507173a | 148 | */ |
| emilmont | 77:869cf507173a | 149 | |
| emilmont | 77:869cf507173a | 150 | /** @defgroup I2C_acknowledged_address |
| emilmont | 77:869cf507173a | 151 | * @{ |
| emilmont | 77:869cf507173a | 152 | */ |
| emilmont | 77:869cf507173a | 153 | |
| emilmont | 77:869cf507173a | 154 | #define I2C_AcknowledgedAddress_7bit ((uint32_t)0x00000000) |
| emilmont | 77:869cf507173a | 155 | #define I2C_AcknowledgedAddress_10bit I2C_OAR1_OA1MODE |
| emilmont | 77:869cf507173a | 156 | |
| emilmont | 77:869cf507173a | 157 | #define IS_I2C_ACKNOWLEDGE_ADDRESS(ADDRESS) (((ADDRESS) == I2C_AcknowledgedAddress_7bit) || \ |
| emilmont | 77:869cf507173a | 158 | ((ADDRESS) == I2C_AcknowledgedAddress_10bit)) |
| emilmont | 77:869cf507173a | 159 | /** |
| emilmont | 77:869cf507173a | 160 | * @} |
| emilmont | 77:869cf507173a | 161 | */ |
| emilmont | 77:869cf507173a | 162 | |
| emilmont | 77:869cf507173a | 163 | /** @defgroup I2C_own_address1 |
| emilmont | 77:869cf507173a | 164 | * @{ |
| emilmont | 77:869cf507173a | 165 | */ |
| emilmont | 77:869cf507173a | 166 | |
| emilmont | 77:869cf507173a | 167 | #define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF) |
| emilmont | 77:869cf507173a | 168 | /** |
| emilmont | 77:869cf507173a | 169 | * @} |
| emilmont | 77:869cf507173a | 170 | */ |
| emilmont | 77:869cf507173a | 171 | |
| emilmont | 77:869cf507173a | 172 | /** @defgroup I2C_transfer_direction |
| emilmont | 77:869cf507173a | 173 | * @{ |
| emilmont | 77:869cf507173a | 174 | */ |
| emilmont | 77:869cf507173a | 175 | |
| emilmont | 77:869cf507173a | 176 | #define I2C_Direction_Transmitter ((uint16_t)0x0000) |
| emilmont | 77:869cf507173a | 177 | #define I2C_Direction_Receiver ((uint16_t)0x0400) |
| emilmont | 77:869cf507173a | 178 | |
| emilmont | 77:869cf507173a | 179 | #define IS_I2C_DIRECTION(DIRECTION) (((DIRECTION) == I2C_Direction_Transmitter) || \ |
| emilmont | 77:869cf507173a | 180 | ((DIRECTION) == I2C_Direction_Receiver)) |
| emilmont | 77:869cf507173a | 181 | /** |
| emilmont | 77:869cf507173a | 182 | * @} |
| emilmont | 77:869cf507173a | 183 | */ |
| emilmont | 77:869cf507173a | 184 | |
| emilmont | 77:869cf507173a | 185 | /** @defgroup I2C_DMA_transfer_requests |
| emilmont | 77:869cf507173a | 186 | * @{ |
| emilmont | 77:869cf507173a | 187 | */ |
| emilmont | 77:869cf507173a | 188 | |
| emilmont | 77:869cf507173a | 189 | #define I2C_DMAReq_Tx I2C_CR1_TXDMAEN |
| emilmont | 77:869cf507173a | 190 | #define I2C_DMAReq_Rx I2C_CR1_RXDMAEN |
| emilmont | 77:869cf507173a | 191 | |
| emilmont | 77:869cf507173a | 192 | #define IS_I2C_DMA_REQ(REQ) ((((REQ) & (uint32_t)0xFFFF3FFF) == 0x00) && ((REQ) != 0x00)) |
| emilmont | 77:869cf507173a | 193 | /** |
| emilmont | 77:869cf507173a | 194 | * @} |
| emilmont | 77:869cf507173a | 195 | */ |
| emilmont | 77:869cf507173a | 196 | |
| emilmont | 77:869cf507173a | 197 | /** @defgroup I2C_slave_address |
| emilmont | 77:869cf507173a | 198 | * @{ |
| emilmont | 77:869cf507173a | 199 | */ |
| emilmont | 77:869cf507173a | 200 | |
| emilmont | 77:869cf507173a | 201 | #define IS_I2C_SLAVE_ADDRESS(ADDRESS) ((ADDRESS) <= (uint16_t)0x03FF) |
| emilmont | 77:869cf507173a | 202 | /** |
| emilmont | 77:869cf507173a | 203 | * @} |
| emilmont | 77:869cf507173a | 204 | */ |
| emilmont | 77:869cf507173a | 205 | |
| emilmont | 77:869cf507173a | 206 | |
| emilmont | 77:869cf507173a | 207 | /** @defgroup I2C_own_address2 |
| emilmont | 77:869cf507173a | 208 | * @{ |
| emilmont | 77:869cf507173a | 209 | */ |
| emilmont | 77:869cf507173a | 210 | |
| emilmont | 77:869cf507173a | 211 | #define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF) |
| emilmont | 77:869cf507173a | 212 | |
| emilmont | 77:869cf507173a | 213 | /** |
| emilmont | 77:869cf507173a | 214 | * @} |
| emilmont | 77:869cf507173a | 215 | */ |
| emilmont | 77:869cf507173a | 216 | |
| emilmont | 77:869cf507173a | 217 | /** @defgroup I2C_own_address2_mask |
| emilmont | 77:869cf507173a | 218 | * @{ |
| emilmont | 77:869cf507173a | 219 | */ |
| emilmont | 77:869cf507173a | 220 | |
| emilmont | 77:869cf507173a | 221 | #define I2C_OA2_NoMask ((uint8_t)0x00) |
| emilmont | 77:869cf507173a | 222 | #define I2C_OA2_Mask01 ((uint8_t)0x01) |
| emilmont | 77:869cf507173a | 223 | #define I2C_OA2_Mask02 ((uint8_t)0x02) |
| emilmont | 77:869cf507173a | 224 | #define I2C_OA2_Mask03 ((uint8_t)0x03) |
| emilmont | 77:869cf507173a | 225 | #define I2C_OA2_Mask04 ((uint8_t)0x04) |
| emilmont | 77:869cf507173a | 226 | #define I2C_OA2_Mask05 ((uint8_t)0x05) |
| emilmont | 77:869cf507173a | 227 | #define I2C_OA2_Mask06 ((uint8_t)0x06) |
| emilmont | 77:869cf507173a | 228 | #define I2C_OA2_Mask07 ((uint8_t)0x07) |
| emilmont | 77:869cf507173a | 229 | |
| emilmont | 77:869cf507173a | 230 | #define IS_I2C_OWN_ADDRESS2_MASK(MASK) (((MASK) == I2C_OA2_NoMask) || \ |
| emilmont | 77:869cf507173a | 231 | ((MASK) == I2C_OA2_Mask01) || \ |
| emilmont | 77:869cf507173a | 232 | ((MASK) == I2C_OA2_Mask02) || \ |
| emilmont | 77:869cf507173a | 233 | ((MASK) == I2C_OA2_Mask03) || \ |
| emilmont | 77:869cf507173a | 234 | ((MASK) == I2C_OA2_Mask04) || \ |
| emilmont | 77:869cf507173a | 235 | ((MASK) == I2C_OA2_Mask05) || \ |
| emilmont | 77:869cf507173a | 236 | ((MASK) == I2C_OA2_Mask06) || \ |
| emilmont | 77:869cf507173a | 237 | ((MASK) == I2C_OA2_Mask07)) |
| emilmont | 77:869cf507173a | 238 | |
| emilmont | 77:869cf507173a | 239 | /** |
| emilmont | 77:869cf507173a | 240 | * @} |
| emilmont | 77:869cf507173a | 241 | */ |
| emilmont | 77:869cf507173a | 242 | |
| emilmont | 77:869cf507173a | 243 | /** @defgroup I2C_timeout |
| emilmont | 77:869cf507173a | 244 | * @{ |
| emilmont | 77:869cf507173a | 245 | */ |
| emilmont | 77:869cf507173a | 246 | |
| emilmont | 77:869cf507173a | 247 | #define IS_I2C_TIMEOUT(TIMEOUT) ((TIMEOUT) <= (uint16_t)0x0FFF) |
| emilmont | 77:869cf507173a | 248 | |
| emilmont | 77:869cf507173a | 249 | /** |
| emilmont | 77:869cf507173a | 250 | * @} |
| emilmont | 77:869cf507173a | 251 | */ |
| emilmont | 77:869cf507173a | 252 | |
| emilmont | 77:869cf507173a | 253 | /** @defgroup I2C_registers |
| emilmont | 77:869cf507173a | 254 | * @{ |
| emilmont | 77:869cf507173a | 255 | */ |
| emilmont | 77:869cf507173a | 256 | |
| emilmont | 77:869cf507173a | 257 | #define I2C_Register_CR1 ((uint8_t)0x00) |
| emilmont | 77:869cf507173a | 258 | #define I2C_Register_CR2 ((uint8_t)0x04) |
| emilmont | 77:869cf507173a | 259 | #define I2C_Register_OAR1 ((uint8_t)0x08) |
| emilmont | 77:869cf507173a | 260 | #define I2C_Register_OAR2 ((uint8_t)0x0C) |
| emilmont | 77:869cf507173a | 261 | #define I2C_Register_TIMINGR ((uint8_t)0x10) |
| emilmont | 77:869cf507173a | 262 | #define I2C_Register_TIMEOUTR ((uint8_t)0x14) |
| emilmont | 77:869cf507173a | 263 | #define I2C_Register_ISR ((uint8_t)0x18) |
| emilmont | 77:869cf507173a | 264 | #define I2C_Register_ICR ((uint8_t)0x1C) |
| emilmont | 77:869cf507173a | 265 | #define I2C_Register_PECR ((uint8_t)0x20) |
| emilmont | 77:869cf507173a | 266 | #define I2C_Register_RXDR ((uint8_t)0x24) |
| emilmont | 77:869cf507173a | 267 | #define I2C_Register_TXDR ((uint8_t)0x28) |
| emilmont | 77:869cf507173a | 268 | |
| emilmont | 77:869cf507173a | 269 | #define IS_I2C_REGISTER(REGISTER) (((REGISTER) == I2C_Register_CR1) || \ |
| emilmont | 77:869cf507173a | 270 | ((REGISTER) == I2C_Register_CR2) || \ |
| emilmont | 77:869cf507173a | 271 | ((REGISTER) == I2C_Register_OAR1) || \ |
| emilmont | 77:869cf507173a | 272 | ((REGISTER) == I2C_Register_OAR2) || \ |
| emilmont | 77:869cf507173a | 273 | ((REGISTER) == I2C_Register_TIMINGR) || \ |
| emilmont | 77:869cf507173a | 274 | ((REGISTER) == I2C_Register_TIMEOUTR) || \ |
| emilmont | 77:869cf507173a | 275 | ((REGISTER) == I2C_Register_ISR) || \ |
| emilmont | 77:869cf507173a | 276 | ((REGISTER) == I2C_Register_ICR) || \ |
| emilmont | 77:869cf507173a | 277 | ((REGISTER) == I2C_Register_PECR) || \ |
| emilmont | 77:869cf507173a | 278 | ((REGISTER) == I2C_Register_RXDR) || \ |
| emilmont | 77:869cf507173a | 279 | ((REGISTER) == I2C_Register_TXDR)) |
| emilmont | 77:869cf507173a | 280 | /** |
| emilmont | 77:869cf507173a | 281 | * @} |
| emilmont | 77:869cf507173a | 282 | */ |
| emilmont | 77:869cf507173a | 283 | |
| emilmont | 77:869cf507173a | 284 | /** @defgroup I2C_interrupts_definition |
| emilmont | 77:869cf507173a | 285 | * @{ |
| emilmont | 77:869cf507173a | 286 | */ |
| emilmont | 77:869cf507173a | 287 | |
| emilmont | 77:869cf507173a | 288 | #define I2C_IT_ERRI I2C_CR1_ERRIE |
| emilmont | 77:869cf507173a | 289 | #define I2C_IT_TCI I2C_CR1_TCIE |
| emilmont | 77:869cf507173a | 290 | #define I2C_IT_STOPI I2C_CR1_STOPIE |
| emilmont | 77:869cf507173a | 291 | #define I2C_IT_NACKI I2C_CR1_NACKIE |
| emilmont | 77:869cf507173a | 292 | #define I2C_IT_ADDRI I2C_CR1_ADDRIE |
| emilmont | 77:869cf507173a | 293 | #define I2C_IT_RXI I2C_CR1_RXIE |
| emilmont | 77:869cf507173a | 294 | #define I2C_IT_TXI I2C_CR1_TXIE |
| emilmont | 77:869cf507173a | 295 | |
| emilmont | 77:869cf507173a | 296 | #define IS_I2C_CONFIG_IT(IT) ((((IT) & (uint32_t)0xFFFFFF01) == 0x00) && ((IT) != 0x00)) |
| emilmont | 77:869cf507173a | 297 | |
| emilmont | 77:869cf507173a | 298 | /** |
| emilmont | 77:869cf507173a | 299 | * @} |
| emilmont | 77:869cf507173a | 300 | */ |
| emilmont | 77:869cf507173a | 301 | |
| emilmont | 77:869cf507173a | 302 | /** @defgroup I2C_flags_definition |
| emilmont | 77:869cf507173a | 303 | * @{ |
| emilmont | 77:869cf507173a | 304 | */ |
| emilmont | 77:869cf507173a | 305 | |
| emilmont | 77:869cf507173a | 306 | #define I2C_FLAG_TXE I2C_ISR_TXE |
| emilmont | 77:869cf507173a | 307 | #define I2C_FLAG_TXIS I2C_ISR_TXIS |
| emilmont | 77:869cf507173a | 308 | #define I2C_FLAG_RXNE I2C_ISR_RXNE |
| emilmont | 77:869cf507173a | 309 | #define I2C_FLAG_ADDR I2C_ISR_ADDR |
| emilmont | 77:869cf507173a | 310 | #define I2C_FLAG_NACKF I2C_ISR_NACKF |
| emilmont | 77:869cf507173a | 311 | #define I2C_FLAG_STOPF I2C_ISR_STOPF |
| emilmont | 77:869cf507173a | 312 | #define I2C_FLAG_TC I2C_ISR_TC |
| emilmont | 77:869cf507173a | 313 | #define I2C_FLAG_TCR I2C_ISR_TCR |
| emilmont | 77:869cf507173a | 314 | #define I2C_FLAG_BERR I2C_ISR_BERR |
| emilmont | 77:869cf507173a | 315 | #define I2C_FLAG_ARLO I2C_ISR_ARLO |
| emilmont | 77:869cf507173a | 316 | #define I2C_FLAG_OVR I2C_ISR_OVR |
| emilmont | 77:869cf507173a | 317 | #define I2C_FLAG_PECERR I2C_ISR_PECERR |
| emilmont | 77:869cf507173a | 318 | #define I2C_FLAG_TIMEOUT I2C_ISR_TIMEOUT |
| emilmont | 77:869cf507173a | 319 | #define I2C_FLAG_ALERT I2C_ISR_ALERT |
| emilmont | 77:869cf507173a | 320 | #define I2C_FLAG_BUSY I2C_ISR_BUSY |
| emilmont | 77:869cf507173a | 321 | |
| emilmont | 77:869cf507173a | 322 | #define IS_I2C_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFF4000) == 0x00) && ((FLAG) != 0x00)) |
| emilmont | 77:869cf507173a | 323 | |
| emilmont | 77:869cf507173a | 324 | #define IS_I2C_GET_FLAG(FLAG) (((FLAG) == I2C_FLAG_TXE) || ((FLAG) == I2C_FLAG_TXIS) || \ |
| emilmont | 77:869cf507173a | 325 | ((FLAG) == I2C_FLAG_RXNE) || ((FLAG) == I2C_FLAG_ADDR) || \ |
| emilmont | 77:869cf507173a | 326 | ((FLAG) == I2C_FLAG_NACKF) || ((FLAG) == I2C_FLAG_STOPF) || \ |
| emilmont | 77:869cf507173a | 327 | ((FLAG) == I2C_FLAG_TC) || ((FLAG) == I2C_FLAG_TCR) || \ |
| emilmont | 77:869cf507173a | 328 | ((FLAG) == I2C_FLAG_BERR) || ((FLAG) == I2C_FLAG_ARLO) || \ |
| emilmont | 77:869cf507173a | 329 | ((FLAG) == I2C_FLAG_OVR) || ((FLAG) == I2C_FLAG_PECERR) || \ |
| emilmont | 77:869cf507173a | 330 | ((FLAG) == I2C_FLAG_TIMEOUT) || ((FLAG) == I2C_FLAG_ALERT) || \ |
| emilmont | 77:869cf507173a | 331 | ((FLAG) == I2C_FLAG_BUSY)) |
| emilmont | 77:869cf507173a | 332 | |
| emilmont | 77:869cf507173a | 333 | /** |
| emilmont | 77:869cf507173a | 334 | * @} |
| emilmont | 77:869cf507173a | 335 | */ |
| emilmont | 77:869cf507173a | 336 | |
| emilmont | 77:869cf507173a | 337 | |
| emilmont | 77:869cf507173a | 338 | /** @defgroup I2C_interrupts_definition |
| emilmont | 77:869cf507173a | 339 | * @{ |
| emilmont | 77:869cf507173a | 340 | */ |
| emilmont | 77:869cf507173a | 341 | |
| emilmont | 77:869cf507173a | 342 | #define I2C_IT_TXIS I2C_ISR_TXIS |
| emilmont | 77:869cf507173a | 343 | #define I2C_IT_RXNE I2C_ISR_RXNE |
| emilmont | 77:869cf507173a | 344 | #define I2C_IT_ADDR I2C_ISR_ADDR |
| emilmont | 77:869cf507173a | 345 | #define I2C_IT_NACKF I2C_ISR_NACKF |
| emilmont | 77:869cf507173a | 346 | #define I2C_IT_STOPF I2C_ISR_STOPF |
| emilmont | 77:869cf507173a | 347 | #define I2C_IT_TC I2C_ISR_TC |
| emilmont | 77:869cf507173a | 348 | #define I2C_IT_TCR I2C_ISR_TCR |
| emilmont | 77:869cf507173a | 349 | #define I2C_IT_BERR I2C_ISR_BERR |
| emilmont | 77:869cf507173a | 350 | #define I2C_IT_ARLO I2C_ISR_ARLO |
| emilmont | 77:869cf507173a | 351 | #define I2C_IT_OVR I2C_ISR_OVR |
| emilmont | 77:869cf507173a | 352 | #define I2C_IT_PECERR I2C_ISR_PECERR |
| emilmont | 77:869cf507173a | 353 | #define I2C_IT_TIMEOUT I2C_ISR_TIMEOUT |
| emilmont | 77:869cf507173a | 354 | #define I2C_IT_ALERT I2C_ISR_ALERT |
| emilmont | 77:869cf507173a | 355 | |
| emilmont | 77:869cf507173a | 356 | #define IS_I2C_CLEAR_IT(IT) ((((IT) & (uint32_t)0xFFFFC001) == 0x00) && ((IT) != 0x00)) |
| emilmont | 77:869cf507173a | 357 | |
| emilmont | 77:869cf507173a | 358 | #define IS_I2C_GET_IT(IT) (((IT) == I2C_IT_TXIS) || ((IT) == I2C_IT_RXNE) || \ |
| emilmont | 77:869cf507173a | 359 | ((IT) == I2C_IT_ADDR) || ((IT) == I2C_IT_NACKF) || \ |
| emilmont | 77:869cf507173a | 360 | ((IT) == I2C_IT_STOPF) || ((IT) == I2C_IT_TC) || \ |
| emilmont | 77:869cf507173a | 361 | ((IT) == I2C_IT_TCR) || ((IT) == I2C_IT_BERR) || \ |
| emilmont | 77:869cf507173a | 362 | ((IT) == I2C_IT_ARLO) || ((IT) == I2C_IT_OVR) || \ |
| emilmont | 77:869cf507173a | 363 | ((IT) == I2C_IT_PECERR) || ((IT) == I2C_IT_TIMEOUT) || \ |
| emilmont | 77:869cf507173a | 364 | ((IT) == I2C_IT_ALERT)) |
| emilmont | 77:869cf507173a | 365 | |
| emilmont | 77:869cf507173a | 366 | |
| emilmont | 77:869cf507173a | 367 | /** |
| emilmont | 77:869cf507173a | 368 | * @} |
| emilmont | 77:869cf507173a | 369 | */ |
| emilmont | 77:869cf507173a | 370 | |
| emilmont | 77:869cf507173a | 371 | /** @defgroup I2C_ReloadEndMode_definition |
| emilmont | 77:869cf507173a | 372 | * @{ |
| emilmont | 77:869cf507173a | 373 | */ |
| emilmont | 77:869cf507173a | 374 | |
| emilmont | 77:869cf507173a | 375 | #define I2C_Reload_Mode I2C_CR2_RELOAD |
| emilmont | 77:869cf507173a | 376 | #define I2C_AutoEnd_Mode I2C_CR2_AUTOEND |
| emilmont | 77:869cf507173a | 377 | #define I2C_SoftEnd_Mode ((uint32_t)0x00000000) |
| emilmont | 77:869cf507173a | 378 | |
| emilmont | 77:869cf507173a | 379 | |
| emilmont | 77:869cf507173a | 380 | #define IS_RELOAD_END_MODE(MODE) (((MODE) == I2C_Reload_Mode) || \ |
| emilmont | 77:869cf507173a | 381 | ((MODE) == I2C_AutoEnd_Mode) || \ |
| emilmont | 77:869cf507173a | 382 | ((MODE) == I2C_SoftEnd_Mode)) |
| emilmont | 77:869cf507173a | 383 | |
| emilmont | 77:869cf507173a | 384 | |
| emilmont | 77:869cf507173a | 385 | /** |
| emilmont | 77:869cf507173a | 386 | * @} |
| emilmont | 77:869cf507173a | 387 | */ |
| emilmont | 77:869cf507173a | 388 | |
| emilmont | 77:869cf507173a | 389 | /** @defgroup I2C_StartStopMode_definition |
| emilmont | 77:869cf507173a | 390 | * @{ |
| emilmont | 77:869cf507173a | 391 | */ |
| emilmont | 77:869cf507173a | 392 | |
| emilmont | 77:869cf507173a | 393 | #define I2C_No_StartStop ((uint32_t)0x00000000) |
| emilmont | 77:869cf507173a | 394 | #define I2C_Generate_Stop I2C_CR2_STOP |
| emilmont | 77:869cf507173a | 395 | #define I2C_Generate_Start_Read (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN) |
| emilmont | 77:869cf507173a | 396 | #define I2C_Generate_Start_Write I2C_CR2_START |
| emilmont | 77:869cf507173a | 397 | |
| emilmont | 77:869cf507173a | 398 | |
| emilmont | 77:869cf507173a | 399 | #define IS_START_STOP_MODE(MODE) (((MODE) == I2C_Generate_Stop) || \ |
| emilmont | 77:869cf507173a | 400 | ((MODE) == I2C_Generate_Start_Read) || \ |
| emilmont | 77:869cf507173a | 401 | ((MODE) == I2C_Generate_Start_Write) || \ |
| emilmont | 77:869cf507173a | 402 | ((MODE) == I2C_No_StartStop)) |
| emilmont | 77:869cf507173a | 403 | |
| emilmont | 77:869cf507173a | 404 | |
| emilmont | 77:869cf507173a | 405 | /** |
| emilmont | 77:869cf507173a | 406 | * @} |
| emilmont | 77:869cf507173a | 407 | */ |
| emilmont | 77:869cf507173a | 408 | |
| emilmont | 77:869cf507173a | 409 | /** |
| emilmont | 77:869cf507173a | 410 | * @} |
| emilmont | 77:869cf507173a | 411 | */ |
| emilmont | 77:869cf507173a | 412 | |
| emilmont | 77:869cf507173a | 413 | /* Exported macro ------------------------------------------------------------*/ |
| emilmont | 77:869cf507173a | 414 | /* Exported functions ------------------------------------------------------- */ |
| emilmont | 77:869cf507173a | 415 | |
| emilmont | 77:869cf507173a | 416 | |
| emilmont | 77:869cf507173a | 417 | /* Initialization and Configuration functions *********************************/ |
| emilmont | 77:869cf507173a | 418 | void I2C_DeInit(I2C_TypeDef* I2Cx); |
| emilmont | 77:869cf507173a | 419 | void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct); |
| emilmont | 77:869cf507173a | 420 | void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct); |
| emilmont | 77:869cf507173a | 421 | void I2C_Cmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 422 | void I2C_SoftwareResetCmd(I2C_TypeDef* I2Cx); |
| emilmont | 77:869cf507173a | 423 | void I2C_ITConfig(I2C_TypeDef* I2Cx, uint32_t I2C_IT, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 424 | void I2C_StretchClockCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 425 | void I2C_StopModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); /*!< not applicable for STM32F030 devices */ |
| emilmont | 77:869cf507173a | 426 | void I2C_DualAddressCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 427 | void I2C_OwnAddress2Config(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Mask); |
| emilmont | 77:869cf507173a | 428 | void I2C_GeneralCallCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 429 | void I2C_SlaveByteControlCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 430 | void I2C_SlaveAddressConfig(I2C_TypeDef* I2Cx, uint16_t Address); |
| emilmont | 77:869cf507173a | 431 | void I2C_10BitAddressingModeCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 432 | |
| emilmont | 77:869cf507173a | 433 | /* Communications handling functions ******************************************/ |
| emilmont | 77:869cf507173a | 434 | void I2C_AutoEndCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 435 | void I2C_ReloadCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 436 | void I2C_NumberOfBytesConfig(I2C_TypeDef* I2Cx, uint8_t Number_Bytes); |
| emilmont | 77:869cf507173a | 437 | void I2C_MasterRequestConfig(I2C_TypeDef* I2Cx, uint16_t I2C_Direction); |
| emilmont | 77:869cf507173a | 438 | void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 439 | void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 440 | void I2C_10BitAddressHeaderCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 441 | void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 442 | uint8_t I2C_GetAddressMatched(I2C_TypeDef* I2Cx); |
| emilmont | 77:869cf507173a | 443 | uint16_t I2C_GetTransferDirection(I2C_TypeDef* I2Cx); |
| emilmont | 77:869cf507173a | 444 | void I2C_TransferHandling(I2C_TypeDef* I2Cx, uint16_t Address, uint8_t Number_Bytes, uint32_t ReloadEndMode, uint32_t StartStopMode); |
| emilmont | 77:869cf507173a | 445 | |
| emilmont | 77:869cf507173a | 446 | /* SMBUS management functions ************************************************/ |
| emilmont | 77:869cf507173a | 447 | void I2C_SMBusAlertCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 448 | void I2C_ClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 449 | void I2C_ExtendedClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 450 | void I2C_IdleClockTimeoutCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 451 | void I2C_TimeoutAConfig(I2C_TypeDef* I2Cx, uint16_t Timeout); |
| emilmont | 77:869cf507173a | 452 | void I2C_TimeoutBConfig(I2C_TypeDef* I2Cx, uint16_t Timeout); |
| emilmont | 77:869cf507173a | 453 | void I2C_CalculatePEC(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 454 | void I2C_PECRequestCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 455 | uint8_t I2C_GetPEC(I2C_TypeDef* I2Cx); |
| emilmont | 77:869cf507173a | 456 | |
| emilmont | 77:869cf507173a | 457 | /* I2C registers management functions *****************************************/ |
| emilmont | 77:869cf507173a | 458 | uint32_t I2C_ReadRegister(I2C_TypeDef* I2Cx, uint8_t I2C_Register); |
| emilmont | 77:869cf507173a | 459 | |
| emilmont | 77:869cf507173a | 460 | /* Data transfers management functions ****************************************/ |
| emilmont | 77:869cf507173a | 461 | void I2C_SendData(I2C_TypeDef* I2Cx, uint8_t Data); |
| emilmont | 77:869cf507173a | 462 | uint8_t I2C_ReceiveData(I2C_TypeDef* I2Cx); |
| emilmont | 77:869cf507173a | 463 | |
| emilmont | 77:869cf507173a | 464 | /* DMA transfers management functions *****************************************/ |
| emilmont | 77:869cf507173a | 465 | void I2C_DMACmd(I2C_TypeDef* I2Cx, uint32_t I2C_DMAReq, FunctionalState NewState); |
| emilmont | 77:869cf507173a | 466 | |
| emilmont | 77:869cf507173a | 467 | /* Interrupts and flags management functions **********************************/ |
| emilmont | 77:869cf507173a | 468 | FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG); |
| emilmont | 77:869cf507173a | 469 | void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG); |
| emilmont | 77:869cf507173a | 470 | ITStatus I2C_GetITStatus(I2C_TypeDef* I2Cx, uint32_t I2C_IT); |
| emilmont | 77:869cf507173a | 471 | void I2C_ClearITPendingBit(I2C_TypeDef* I2Cx, uint32_t I2C_IT); |
| emilmont | 77:869cf507173a | 472 | |
| emilmont | 77:869cf507173a | 473 | |
| emilmont | 77:869cf507173a | 474 | #ifdef __cplusplus |
| emilmont | 77:869cf507173a | 475 | } |
| emilmont | 77:869cf507173a | 476 | #endif |
| emilmont | 77:869cf507173a | 477 | |
| emilmont | 77:869cf507173a | 478 | #endif /*__STM32F0XX_I2C_H */ |
| emilmont | 77:869cf507173a | 479 | |
| emilmont | 77:869cf507173a | 480 | /** |
| emilmont | 77:869cf507173a | 481 | * @} |
| emilmont | 77:869cf507173a | 482 | */ |
| emilmont | 77:869cf507173a | 483 | |
| emilmont | 77:869cf507173a | 484 | /** |
| emilmont | 77:869cf507173a | 485 | * @} |
| emilmont | 77:869cf507173a | 486 | */ |
| emilmont | 77:869cf507173a | 487 | |
| emilmont | 77:869cf507173a | 488 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |