1 /** 2 * @file cameraif.h 3 * @brief CAMERAIF function prototypes and data types. 4 */ 5 6 /****************************************************************************** 7 * 8 * Copyright (C) 2022-2023 Maxim Integrated Products, Inc. (now owned by 9 * Analog Devices, Inc.), 10 * Copyright (C) 2023-2024 Analog Devices, Inc. 11 * 12 * Licensed under the Apache License, Version 2.0 (the "License"); 13 * you may not use this file except in compliance with the License. 14 * You may obtain a copy of the License at 15 * 16 * http://www.apache.org/licenses/LICENSE-2.0 17 * 18 * Unless required by applicable law or agreed to in writing, software 19 * distributed under the License is distributed on an "AS IS" BASIS, 20 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 21 * See the License for the specific language governing permissions and 22 * limitations under the License. 23 * 24 ******************************************************************************/ 25 26 /* Define to prevent redundant inclusion */ 27 #ifndef LIBRARIES_PERIPHDRIVERS_INCLUDE_MAX78000_CAMERAIF_H_ 28 #define LIBRARIES_PERIPHDRIVERS_INCLUDE_MAX78000_CAMERAIF_H_ 29 30 /* **** Includes **** */ 31 #include "mxc_device.h" 32 #include "cameraif_regs.h" 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /** 39 * @defgroup cameraif 40 * @ingroup periphlibs 41 * @{ 42 */ 43 44 /* **** Definitions **** */ 45 46 /** 47 * @brief The list of Camera Interface Datawidth options supported 48 * 49 */ 50 typedef enum { 51 MXC_PCIF_DATAWIDTH_8_BIT = 0, ///< 52 MXC_PCIF_DATAWIDTH_10_BIT, ///< 53 MXC_PCIF_DATAWIDTH_12_BIT, ///< 54 } mxc_pcif_datawidth_t; 55 56 /** 57 * @brief The list of Camera GPIO Datawidth options supported 58 * 59 */ 60 typedef enum { 61 MXC_PCIF_GPIO_DATAWIDTH_8_BIT = 0, ///< 62 MXC_PCIF_GPIO_DATAWIDTH_10_BIT, ///< 63 MXC_PCIF_GPIO_DATAWIDTH_12_BIT, ///< 64 } mxc_pcif_gpio_datawidth_t; 65 66 /** 67 * @brief The list of Camera Interface ReadMode options supported 68 * 69 */ 70 typedef enum { 71 MXC_PCIF_READMODE_SINGLE_MODE = 1, ///< 72 MXC_PCIF_READMODE_CONTINUES_MODE, ///< 73 } mxc_pcif_readmode_t; 74 75 /** 76 * @brief The list of Camera Interface TimingSel options supported 77 * 78 */ 79 typedef enum { 80 MXC_PCIF_TIMINGSEL_HSYNC_and_VSYNC = 0, ///< 81 MXC_PCIF_TIMINGSEL_SAV_and_EAV, ///< 82 } mxc_pcif_timingsel_t; 83 84 /* **** Function Prototypes **** */ 85 86 /** 87 * @brief Initialize the Parallel Camera Interface. 88 * 89 * @param gpioDataWidth Desired datawidth for the camera interface (8, 10 or 12 bits). 90 * 91 * @return E_NO_ERROR if successful, otherwise E_BAD_PARAM. 92 */ 93 int MXC_PCIF_Init(mxc_pcif_gpio_datawidth_t gpioDataWidth); 94 95 /** 96 * @brief Set data width for the camera interface. 97 * 98 * @param datawidth 8/10/12 bit 99 */ 100 void MXC_PCIF_SetDataWidth(mxc_pcif_datawidth_t datawidth); 101 102 /** 103 * @brief Set the desired timing mode for the camera interface. 104 * 105 * @param timingsel There are two different timing modes. HSYNC/VSYNC and Data Stream. 106 */ 107 void MXC_PCIF_SetTimingSel(mxc_pcif_timingsel_t timingsel); 108 109 /** 110 * @brief Set camera FIFO threshold. 111 * 112 * @param fifo_thrsh Desired FIFO threshold. 113 */ 114 void MXC_PCIF_SetThreshold(int fifo_thrsh); 115 116 /** 117 * @brief Enable camera interrupts. 118 * 119 * @param flags Interrupt flags 120 */ 121 void MXC_PCIF_EnableInt(uint32_t flags); 122 123 /** 124 * @brief Disable camera interrupts. 125 * 126 * @param flags Interrupt flags 127 */ 128 void MXC_PCIF_DisableInt(uint32_t flags); 129 130 /** 131 * @brief Start to capture image from camera interface 132 * 133 * @param readmode Single mode or Continues mode 134 */ 135 void MXC_PCIF_Start(mxc_pcif_readmode_t readmode); 136 137 /** 138 * @brief Stop capture, disable Parallel camera interface 139 * 140 */ 141 void MXC_PCIF_Stop(void); 142 143 /** 144 * @brief Read fifo of PCIF 145 * 146 * @return Value of fifo 147 */ 148 unsigned int MXC_PCIF_GetData(void); 149 150 /**@} end of group cameraif */ 151 152 #ifdef __cplusplus 153 } 154 #endif 155 156 #endif // LIBRARIES_PERIPHDRIVERS_INCLUDE_MAX78000_CAMERAIF_H_ 157
