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STM32F0xx Standard Peripherals Firmware Library
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I2C_TwoBoards/stm32f0xx_i2c_cpal_usercallback.c
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00001 /** 00002 ****************************************************************************** 00003 * @file I2C/I2C_TwoBoards/stm32f0xx_i2c_cpal_usercallback.c 00004 * @author MCD Application Team 00005 * @version V1.4.0 00006 * @date 24-July-2014 00007 * @brief This file provides all the CPAL UserCallback functions. 00008 ****************************************************************************** 00009 * @attention 00010 * 00011 * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2> 00012 * 00013 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); 00014 * You may not use this file except in compliance with the License. 00015 * You may obtain a copy of the License at: 00016 * 00017 * http://www.st.com/software_license_agreement_liberty_v2 00018 * 00019 * Unless required by applicable law or agreed to in writing, software 00020 * distributed under the License is distributed on an "AS IS" BASIS, 00021 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00022 * See the License for the specific language governing permissions and 00023 * limitations under the License. 00024 * 00025 ****************************************************************************** 00026 */ 00027 00028 /* Includes ------------------------------------------------------------------*/ 00029 #include "main.h" 00030 00031 /* Private typedef -----------------------------------------------------------*/ 00032 /* Private defines -----------------------------------------------------------*/ 00033 extern const uint8_t tStateSignal[]; 00034 extern const uint8_t tSignal1[]; 00035 extern const uint8_t tSignal2[]; 00036 extern CPAL_TransferTypeDef sRxStructure, sTxStructure; 00037 extern uint8_t tRxBuffer[]; 00038 extern uint32_t BufferSize; 00039 extern __IO uint32_t ActionState; 00040 extern __IO uint32_t RecieverMode; 00041 00042 /* Private macro -------------------------------------------------------------*/ 00043 /* Private function prototypes -----------------------------------------------*/ 00044 extern void Switch_Color(void); 00045 extern void Switch_ErrorColor(void); 00046 extern uint8_t Buffer_Check(uint8_t* pBuffer, uint8_t* pBuffer1, uint8_t* pBuffer2, uint8_t* pBuffer3, uint16_t BufferLength); 00047 00048 /* Private functions ---------------------------------------------------------*/ 00049 00050 00051 00052 /*------------------------------------------------------------------------------ 00053 CPAL User Callbacks implementations 00054 ------------------------------------------------------------------------------*/ 00055 00056 00057 /*=========== Timeout UserCallback ===========*/ 00058 00059 00060 /** 00061 * @brief User callback that manages the Timeout error 00062 * @param pDevInitStruct 00063 * @retval None. 00064 */ 00065 uint32_t CPAL_TIMEOUT_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00066 { 00067 /* Update CPAL states */ 00068 pDevInitStruct->CPAL_State = CPAL_STATE_READY; 00069 pDevInitStruct->wCPAL_DevError = CPAL_I2C_ERR_NONE ; 00070 pDevInitStruct->wCPAL_Timeout = CPAL_I2C_TIMEOUT_DEFAULT; 00071 00072 /* DeInitialize CPAL device */ 00073 CPAL_I2C_DeInit(pDevInitStruct); 00074 00075 /* Initialize CPAL device with the selected parameters */ 00076 CPAL_I2C_Init(pDevInitStruct); 00077 00078 /* Switch the LCD write color */ 00079 Switch_ErrorColor(); 00080 00081 LCD_DisplayStringLine(Line9, (uint8_t*)" Timeout Recovered "); 00082 00083 ActionState = ACTION_NONE; 00084 00085 return CPAL_PASS; 00086 } 00087 00088 00089 /*=========== Transfer UserCallback ===========*/ 00090 00091 00092 /** 00093 * @brief Manages the End of Tx transfer event. 00094 * @param pDevInitStruct 00095 * @retval None 00096 */ 00097 void CPAL_I2C_TXTC_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00098 { 00099 STM_EVAL_LEDOff(LED3); 00100 STM_EVAL_LEDToggle(LED2); 00101 00102 /* Switch the LCD write color */ 00103 Switch_Color(); 00104 00105 LCD_DisplayStringLine(Line3, (uint8_t*)"TRANSMIT MODE ACTIVE"); 00106 LCD_DisplayStringLine(Line5, (uint8_t*)" Signal Sent OK "); 00107 LCD_DisplayStringLine(Line9, MEASSAGE_EMPTY); 00108 00109 ActionState = ACTION_NONE; 00110 } 00111 00112 00113 /** 00114 * @brief Manages the End of Rx transfer event. 00115 * @param pDevInitStruct 00116 * @retval None 00117 */ 00118 void CPAL_I2C_RXTC_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00119 { 00120 uint8_t result = 0xFF, i = 0; 00121 00122 /* Activate the mode receiver only */ 00123 RecieverMode = 1; 00124 00125 /* Switch the LCD write color */ 00126 Switch_Color(); 00127 00128 LCD_DisplayStringLine(Line3, (uint8_t*)"RECEIVER MODE ACTIVE"); 00129 LCD_DisplayStringLine(Line5, MEASSAGE_EMPTY); 00130 LCD_DisplayStringLine(Line9, MEASSAGE_EMPTY); 00131 00132 STM_EVAL_LEDOff(LED2); 00133 STM_EVAL_LEDToggle(LED3); 00134 00135 /* Initialize local Reception structures */ 00136 sRxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */ 00137 sRxStructure.pbBuffer = tRxBuffer; /* Common Rx buffer for all received data */ 00138 00139 /* Check the Received Buffer */ 00140 result = Buffer_Check(tRxBuffer, (uint8_t*)tStateSignal, (uint8_t*)tSignal1,(uint8_t*)tSignal2, (uint16_t)BufferSize); 00141 00142 switch(result) 00143 { 00144 case 0: 00145 LCD_DisplayStringLine(Line7, (uint8_t*)" State message OK "); 00146 break; 00147 00148 case 1: 00149 /* Display Reception Complete */ 00150 LCD_DisplayStringLine(Line5, (uint8_t*)" Signal1 message OK "); 00151 break; 00152 00153 case 2: 00154 /* Display Reception Complete */ 00155 LCD_DisplayStringLine(Line5, (uint8_t*)" Signal2 message OK "); 00156 break; 00157 00158 default: 00159 LCD_DisplayStringLine(Line7, (uint8_t*)" Failure "); 00160 break; 00161 } 00162 00163 /* Reinitialize RXBuffer */ 00164 for(i = 0; i < MAX_BUFF_SIZE; i++) 00165 { 00166 tRxBuffer[i]=0; 00167 } 00168 } 00169 00170 00171 /** 00172 * @brief Manages Tx transfer event 00173 * @param pDevInitStruct 00174 * @retval None 00175 */ 00176 /*void CPAL_I2C_TX_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00177 { 00178 00179 }*/ 00180 00181 00182 /** 00183 * @brief Manages Rx transfer event 00184 * @param pDevInitStruct 00185 * @retval None 00186 */ 00187 /*void CPAL_I2C_RX_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00188 { 00189 00190 }*/ 00191 00192 00193 /** 00194 * @brief Manages the End of DMA Tx transfer event 00195 * @param pDevInitStruct 00196 * @retval None 00197 */ 00198 /*void CPAL_I2C_DMATXTC_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00199 { 00200 00201 }*/ 00202 00203 00204 /** 00205 * @brief Manages the Half of DMA Tx transfer event 00206 * @param pDevInitStruct 00207 * @retval None 00208 */ 00209 /*void CPAL_I2C_DMATXHT_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00210 { 00211 00212 }*/ 00213 00214 00215 /** 00216 * @brief Manages Error of DMA Tx transfer event 00217 * @param pDevInitStruct 00218 * @retval None 00219 */ 00220 /*void CPAL_I2C_DMATXTE_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00221 { 00222 00223 }*/ 00224 00225 00226 /** 00227 * @brief Manages the End of DMA Rx transfer event 00228 * @param pDevInitStruct 00229 * @retval None 00230 */ 00231 /*void CPAL_I2C_DMARXTC_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00232 { 00233 00234 }*/ 00235 00236 00237 /** 00238 * @brief Manages the Half of DMA Rx transfer event 00239 * @param pDevInitStruct 00240 * @retval None 00241 */ 00242 /*void CPAL_I2C_DMARXHT_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00243 { 00244 00245 }*/ 00246 00247 00248 /** 00249 * @brief Manages Error of DMA Rx transfer event 00250 * @param pDevInitStruct 00251 * @retval None 00252 */ 00253 /*void CPAL_I2C_DMARXTE_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00254 { 00255 00256 }*/ 00257 00258 00259 /*=========== Error UserCallback ===========*/ 00260 00261 00262 /** 00263 * @brief User callback that manages the I2C device errors. 00264 * @note Make sure that the define USE_SINGLE_ERROR_CALLBACK is uncommented in 00265 * the cpal_conf.h file, otherwise this callback will not be functional. 00266 * @param pDevInitStruct. 00267 * @param DeviceError. 00268 * @retval None 00269 */ 00270 void CPAL_I2C_ERR_UserCallback(CPAL_DevTypeDef pDevInstance, uint32_t DeviceError) 00271 { 00272 /* if an Acknowledge failure error occurred */ 00273 if (DeviceError == CPAL_I2C_ERR_AF ) 00274 { 00275 LCD_DisplayStringLine(Line9, (uint8_t*)" Slave Not yet Ready"); 00276 } 00277 else 00278 { 00279 LCD_DisplayStringLine(Line9, (uint8_t*)" Device Err occurred "); 00280 } 00281 00282 /* Update CPAL states */ 00283 I2C_DevStructures[pDevInstance]->CPAL_State = CPAL_STATE_READY; 00284 I2C_DevStructures[pDevInstance]->wCPAL_DevError = CPAL_I2C_ERR_NONE; 00285 00286 /* Deinitialize CPAL device */ 00287 CPAL_I2C_DeInit(I2C_DevStructures[pDevInstance]); 00288 00289 /* Initialize CPAL device with the selected parameters */ 00290 CPAL_I2C_Init(I2C_DevStructures[pDevInstance]); 00291 00292 /* Switch the LCD write color */ 00293 Switch_ErrorColor(); 00294 00295 ActionState = ACTION_NONE; 00296 } 00297 00298 00299 /** 00300 * @brief User callback that manages BERR I2C device errors 00301 * @note Make sure that the define USE_MULTIPLE_ERROR_CALLBACK is uncommented in 00302 * the cpal_conf.h file, otherwise this callback will not be functional 00303 * @param pDevInstance 00304 * @retval None 00305 */ 00306 /*void CPAL_I2C_BERR_UserCallback(CPAL_DevTypeDef pDevInstance) 00307 { 00308 00309 }*/ 00310 00311 00312 /** 00313 * @brief User callback that manages ARLO I2C device errors 00314 * @note Make sure that the define USE_MULTIPLE_ERROR_CALLBACK is uncommented in 00315 * the cpal_conf.h file, otherwise this callback will not be functional 00316 * @param pDevInstance 00317 * @retval None 00318 */ 00319 /*void CPAL_I2C_ARLO_UserCallback(CPAL_DevTypeDef pDevInstance) 00320 { 00321 00322 }*/ 00323 00324 00325 /** 00326 * @brief User callback that manages OVR I2C device errors 00327 * @note Make sure that the define USE_MULTIPLE_ERROR_CALLBACK is uncommented in 00328 * the cpal_conf.h file, otherwise this callback will not be functional 00329 * @param pDevInstance 00330 * @retval None 00331 */ 00332 /*void CPAL_I2C_OVR_UserCallback(CPAL_DevTypeDef pDevInstance) 00333 { 00334 00335 }*/ 00336 00337 00338 /** 00339 * @brief User callback that manages AF I2C device errors. 00340 * @note Make sure that the define USE_MULTIPLE_ERROR_CALLBACK is uncommented in 00341 * the cpal_conf.h file, otherwise this callback will not be functional 00342 * @param pDevInstance 00343 * @retval None 00344 */ 00345 /*void CPAL_I2C_AF_UserCallback(CPAL_DevTypeDef pDevInstance) 00346 { 00347 00348 }*/ 00349 00350 00351 /*=========== Addressing Mode UserCallback ===========*/ 00352 00353 00354 /** 00355 * @brief User callback that manage General Call Addressing mode 00356 * @param pDevInitStruct 00357 * @retval None 00358 */ 00359 /*void CPAL_I2C_GENCALL_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00360 { 00361 00362 }*/ 00363 00364 00365 /** 00366 * @brief User callback that manage Dual Address Addressing mode 00367 * @param pDevInitStruct 00368 * @retval None 00369 */ 00370 /*void CPAL_I2C_DUALF_UserCallback(CPAL_InitTypeDef* pDevInitStruct) 00371 { 00372 00373 }*/ 00374 00375 00376 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/