| /* |
| * Copyright (c) 2015-2017, Texas Instruments Incorporated |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * * Neither the name of Texas Instruments Incorporated nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| /* |
| * ======== Camera.c ======== |
| */ |
| |
| #include <stdbool.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| #include <ti/drivers/Camera.h> |
| #include <ti/drivers/dpl/HwiP.h> |
| |
| extern const Camera_Config Camera_config[]; |
| extern const uint_least8_t Camera_count; |
| |
| /* Default Camera parameters structure */ |
| const Camera_Params Camera_defaultParams = { |
| Camera_MODE_BLOCKING, /* captureMode */ |
| 24000000, /* outputClock */ |
| Camera_HSYNC_POLARITY_HIGH, /* hsyncPolarity */ |
| Camera_VSYNC_POLARITY_HIGH, /* vsyncPolarity */ |
| Camera_PCLK_CONFIG_RISING_EDGE, /* pixelClkConfig */ |
| Camera_BYTE_ORDER_NORMAL, /* byteOrder */ |
| Camera_INTERFACE_SYNC_ON, /* interfaceSync */ |
| Camera_STOP_CAPTURE_FRAME_END, /* stopConfig */ |
| Camera_START_CAPTURE_FRAME_START, /* startConfig */ |
| Camera_WAIT_FOREVER, /* captureTimeout */ |
| NULL, /* captureCallback */ |
| NULL |
| }; |
| |
| static bool isInitialized = false; |
| |
| /* |
| * ======== Camera_close ======== |
| */ |
| void Camera_close(Camera_Handle handle) |
| { |
| handle->fxnTablePtr->closeFxn(handle); |
| } |
| |
| /* |
| * ======== Camera_control ======== |
| */ |
| int_fast16_t Camera_control(Camera_Handle handle, uint_fast16_t cmd, void *arg) |
| { |
| return (handle->fxnTablePtr->controlFxn(handle, cmd, arg)); |
| } |
| |
| /* |
| * ======== Camera_init ======== |
| */ |
| void Camera_init(void) |
| { |
| uint_least8_t i; |
| uint_fast32_t key; |
| |
| key = HwiP_disable(); |
| |
| if (!isInitialized) { |
| isInitialized = (bool) true; |
| |
| /* Call each driver's init function */ |
| for (i = 0; i < Camera_count; i++) { |
| Camera_config[i].fxnTablePtr->initFxn((Camera_Handle)&(Camera_config[i])); |
| } |
| } |
| |
| HwiP_restore(key); |
| } |
| |
| /* |
| * ======== Camera_open ======== |
| */ |
| Camera_Handle Camera_open(uint_least8_t index, Camera_Params *params) |
| { |
| Camera_Handle handle = NULL; |
| |
| /* Verify driver index and state */ |
| if (isInitialized && (index < Camera_count)) { |
| /* If params are NULL use defaults. */ |
| if (params == NULL) { |
| params = (Camera_Params *)&Camera_defaultParams; |
| } |
| |
| /* Get handle for this driver instance */ |
| handle = (Camera_Handle)&(Camera_config[index]); |
| handle = handle->fxnTablePtr->openFxn(handle, params); |
| } |
| |
| return (handle); |
| } |
| |
| /* |
| * ======== Camera_Params_init ======== |
| */ |
| void Camera_Params_init(Camera_Params *params) |
| { |
| *params = Camera_defaultParams; |
| } |
| |
| /* |
| * ======== Camera_capture ======== |
| */ |
| int_fast16_t Camera_capture(Camera_Handle handle, void *buffer, |
| size_t bufferlen, size_t *frameLen) |
| { |
| return (handle->fxnTablePtr->captureFxn(handle, buffer, bufferlen, frameLen)); |
| } |