Initial Import

driver/private_include/camera_common.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include "rom/lldesc.h"
+#include "esp_err.h"
+#include "esp_intr_alloc.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/semphr.h"
+#include "freertos/task.h"
+#include "esp_camera.h"
+#include "sensor.h"
+
+typedef union {
+    struct {
+        uint8_t sample2;
+        uint8_t unused2;
+        uint8_t sample1;
+        uint8_t unused1;
+    };
+    uint32_t val;
+} dma_elem_t;
+
+typedef enum {
+    /* camera sends byte sequence: s1, s2, s3, s4, ...
+     * fifo receives: 00 s1 00 s2, 00 s2 00 s3, 00 s3 00 s4, ...
+     */
+    SM_0A0B_0B0C = 0,
+    /* camera sends byte sequence: s1, s2, s3, s4, ...
+     * fifo receives: 00 s1 00 s2, 00 s3 00 s4, ...
+     */
+    SM_0A0B_0C0D = 1,
+    /* camera sends byte sequence: s1, s2, s3, s4, ...
+     * fifo receives: 00 s1 00 00, 00 s2 00 00, 00 s3 00 00, ...
+     */
+    SM_0A00_0B00 = 3,
+} i2s_sampling_mode_t;
+

driver/private_include/sccb.h

@@ -0,0 +1,16 @@
+/*
+ * This file is part of the OpenMV project.
+ * Copyright (c) 2013/2014 Ibrahim Abdelkader <i.abdalkader@gmail.com>
+ * This work is licensed under the MIT license, see the file LICENSE for details.
+ *
+ * SCCB (I2C like) driver.
+ *
+ */
+#ifndef __SCCB_H__
+#define __SCCB_H__
+#include <stdint.h>
+int SCCB_Init(int pin_sda, int pin_scl);
+uint8_t SCCB_Probe();
+uint8_t SCCB_Read(uint8_t slv_addr, uint8_t reg);
+uint8_t SCCB_Write(uint8_t slv_addr, uint8_t reg, uint8_t data);
+#endif // __SCCB_H__

driver/private_include/twi.h

@@ -0,0 +1,38 @@
+/*
+  twi.h - Software I2C library for ESP31B
+
+  Copyright (c) 2015 Hristo Gochkov. All rights reserved.
+  This file is part of the ESP31B core for Arduino environment.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#ifndef SI2C_h
+#define SI2C_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void twi_init(unsigned char sda, unsigned char scl);
+void twi_stop(void);
+void twi_setClock(unsigned int freq);
+uint8_t twi_writeTo(unsigned char address, unsigned char * buf, unsigned int len, unsigned char sendStop);
+uint8_t twi_readFrom(unsigned char address, unsigned char * buf, unsigned int len, unsigned char sendStop);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

driver/private_include/xclk.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include "camera_common.h"
+
+esp_err_t camera_enable_out_clock();
+
+void camera_disable_out_clock();