uvis3.c

00001 /**
00002   ******************************************************************************
00003   * @file    uvis3.c
00004   * @author  AST Robotics Team
00005   * @version V0.0.1
00006   * @date    10-March-2014
00007   * @brief   This file provides a set of functions needed to manage the uvis3.
00008   ******************************************************************************
00009   * @attention
00010   *
00011   * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
00012   *
00013   * Redistribution and use in source and binary forms, with or without modification,
00014   * are permitted provided that the following conditions are met:
00015   *   1. Redistributions of source code must retain the above copyright notice,
00016   *      this list of conditions and the following disclaimer.
00017   *   2. Redistributions in binary form must reproduce the above copyright notice,
00018   *      this list of conditions and the following disclaimer in the documentation
00019   *      and/or other materials provided with the distribution.
00020   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00021   *      may be used to endorse or promote products derived from this software
00022   *      without specific prior written permission.
00023   *
00024   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00025   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00026   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00028   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00029   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00030   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00031   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00032   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00033   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034   *
00035   ******************************************************************************
00036   */
00037 /* Includes ------------------------------------------------------------------*/
00038 #include "uvis3.h"
00039 
00040 /** @addtogroup BSP
00041   * @{
00042   */ 
00043 
00044 /** @addtogroup STM32F439_SENSITRON
00045   * @{
00046   */ 
00047 
00048 /** @addtogroup UVIS3
00049   * @{
00050   */
00051 
00052 
00053 /** @defgroup UVIS3_Private_TypesDefinitions
00054   * @{
00055   */
00056   
00057 /**
00058   * @}
00059   */
00060 
00061 /** @defgroup UVIS3_Private_Defines
00062   * @{
00063   */
00064 
00065 /**
00066   * @}
00067   */
00068 
00069 /** @defgroup UVIS3_Private_Macros
00070   * @{
00071   */
00072 
00073 /**
00074   * @}
00075   */ 
00076   
00077 /** @defgroup UVIS3_Private_Variables
00078   * @{
00079   */ 
00080 
00081 UV_DrvTypeDef Uvis3Drv =
00082 {
00083   UVIS3_Init,
00084   UVIS3_ReadID,
00085   UVIS3_RebootCmd,
00086   0,//UVIS3_INT1InterruptConfig,
00087   0,//UVIS3_EnableIT,
00088   0,//UVIS3_DisableIT,
00089   0,
00090   0,
00091   UVIS3_GetIndex
00092 };
00093 /**
00094   * @}
00095   */
00096 
00097 /** @defgroup UVIS3_Private_FunctionPrototypes
00098   * @{
00099   */
00100 
00101 /**
00102   * @}
00103   */
00104 
00105 /** @defgroup UVIS3_Private_Functions
00106   * @{
00107   */
00108 
00109 /**
00110   * @brief  Set UVIS3 Initialization.
00111   * @param  InitStruct: it contains the configuration setting for the UVIS3.
00112   * @retval None
00113   */
00114 void UVIS3_Init(UV_InitTypeDef *UVIS3_Init)
00115 {  
00116     uint8_t ctrl = 0x00;
00117 
00118     /* Configure the low level interface ---------------------------------------*/
00119     UV_IO_Init();
00120 
00121     /* Read CTRL_REG1 register */
00122     UV_IO_Read(&ctrl, UVIS3_ADDRESS, UVIS3_CTRL_REG1_ADDR, 1);
00123 
00124     /* Power Mode selection */
00125     ctrl &= ~(UVIS3_MODE_MASK);
00126     ctrl |= UVIS3_Init->Power_Mode;
00127 
00128 //    if(UVIS3_Init->Power_Mode==UVIS3_MODE_POWERDOWN) {
00129 //        ctrl |= 0x80;
00130 //    } else {
00131 //        ctrl &= 0x7F;
00132 //    }
00133 
00134     /* Data Rate selection */
00135     ctrl &= ~(UVIS3_ODR_MASK);
00136     ctrl |= UVIS3_Init->Output_DataRate;
00137 
00138 //    if(UVIS3_Init->Output_DataRate==UVIS3_ODR_1HZ) {
00139 //        ctrl |= 0x01;
00140 //    } else {
00141 //        ctrl &= 0xFE;
00142 //    }
00143 
00144     /* Write value to MEMS CTRL_REG1 regsister */
00145     UV_IO_Write(&ctrl, UVIS3_ADDRESS, UVIS3_CTRL_REG1_ADDR, 1);
00146 
00147     /* Write value to MEMS CTRL_REG2 regsister  ??*/
00148     //ctrl = (uint8_t) InitStruct>>8;
00149     //UV_IO_Write(&ctrl, UVIS3_CTRL_REG2_ADDR, 1);
00150 }
00151 
00152 /**
00153   * @brief  Read ID address of UVIS3
00154   * @param  Device ID address
00155   * @retval ID name
00156   */
00157 uint8_t UVIS3_ReadID(void)
00158 {
00159   uint8_t tmp;
00160 
00161   /* Read WHO I AM register */
00162   UV_IO_Read(&tmp, UVIS3_ADDRESS, UVIS3_WHO_AM_I_ADDR, 1);
00163     
00164   /* Return the ID */
00165   return (uint8_t)tmp;
00166 }
00167 
00168 /**
00169   * @brief  Reboot memory content of UVIS3
00170   * @param  None
00171   * @retval None
00172   */
00173 void UVIS3_RebootCmd(void)
00174 {
00175   uint8_t tmpreg;
00176   
00177   /* Read CTRL_REG5 register */
00178   UV_IO_Read(&tmpreg, UVIS3_ADDRESS, UVIS3_CTRL_REG2_ADDR, 1);
00179   
00180   /* Enable or Disable the reboot memory */
00181   tmpreg |= UVIS3_BOOT_REBOOTMEMORY;
00182   
00183   /* Write value to MEMS CTRL_REG5 regsister */
00184   UV_IO_Write(&tmpreg, UVIS3_ADDRESS, UVIS3_CTRL_REG2_ADDR, 1);
00185 }
00186 
00187 /**
00188   * @brief Set UVIS3 Interrupt INT1 configuration
00189   * @param  UVIS3_InterruptConfig_TypeDef: pointer to a UVIS3_InterruptConfig_TypeDef 
00190   *         structure that contains the configuration setting for the UVIS3 Interrupt.
00191   * @retval None
00192   */
00193 void UVIS3_INT1InterruptConfig(uint16_t Int1Config)
00194 {
00195  
00196 }
00197 
00198 /**
00199   * @brief  Enable INT1
00200   * @retval None
00201   */
00202 void UVIS3_EnableIT()
00203 {  
00204 
00205 }
00206 
00207 /**
00208   * @brief  Disable  INT1
00209   * @retval None
00210   */
00211 void UVIS3_DisableIT()
00212 {  
00213 
00214 }
00215 
00216 
00217 /**
00218 * @brief  Calculate the UVIS3 UV index data.
00219 * @param  pfData : Data out pointer
00220 * @retval None
00221 */
00222 void UVIS3_GetIndex(float* pfData)
00223 {
00224   uint8_t tmpreg;   
00225   /* Read UVIS3_UVDATA_OUT_ADDR register */
00226   UV_IO_Read(&tmpreg, UVIS3_ADDRESS, UVIS3_UVDATA_OUT_ADDR, 1);
00227   //tmpreg=32;
00228   *pfData=(float)tmpreg/16.0f; 
00229 
00230 }
00231 
00232 /**
00233   * @}
00234   */ 
00235 
00236 /**
00237   * @}
00238   */ 
00239   
00240 /**
00241   * @}
00242   */ 
00243 
00244 /**
00245   * @}
00246   */ 
00247   
00248 
00249 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/     
00250