Add Vishay VEML6070 driver and support for STM32F103-Minimum board

2026-06-07 01:05:54 +08:00 · 2016-11-13 11:44:28 -06:00
parent c7b5f20b5d
commit a6b7730f8c
12 changed files with 2038 additions and 0 deletions
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+/****************************************************************************
+ * include/nuttx/input/veml6070.h
+ *
+ *   Copyright (C) 2015-2016 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2016 Alan Carvalho de Assis. All rights reserved.
+ *   Author: Alan Carvalho de Assis <acassis@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name NuttX 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.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_SENSORS_VEML6070_H
+#define __INCLUDE_NUTTX_SENSORS_VEML6070_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/irq.h>
+#include <nuttx/sensors/ioctl.h>
+
+#if defined(CONFIG_VEML6070)
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Device I2C Address */
+
+#define VEML6070_I2C_DATA_LSB_CMD_ADDR  0x38
+#define VEML6070_I2C_DATA_MSB_ADDR      0x39
+
+/* Command Register Format
+ * Bits:
+ *  7  |  6  |  5  |    4    |  3  |  2  |  1  |  0 |
+ * RSV | RSV | ACK | ACK_THD | IT1 | IT0 | RSV | SD |
+ *
+ * NOTE: The RSV Bit 1 needs to be always 1
+ */
+
+
+#define VEML6070_CMD_SD           0x01 /* Shutdown command */
+#define VEML6070_CMD_RSV          0x02
+#define VEML6070_CMD_IT_0_5T      0x00 /* IT1=0 : IT0=0 */
+#define VEML6070_CMD_IT_1T        0x04 /* IT1=0 : IT0=1 */
+#define VEML6070_CMD_IT_2T        0x08 /* IT1=1 : IT0=0 */
+#define VEML6070_CMD_IT_4T        0x0c /* IT1=1 : IT0=1 */
+#define VEML6070_CMD_ACK_THD      0x10 /* Acknowledge thresold:
+                                          0 = 102 steps
+                                          1 = 145 steps */
+#define VEML6070_CMD_ACK          0x20 /* Acknowledge activity */
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Name: veml6070_register
+ *
+ * Description:
+ *   Register the VEML6070 character device as 'devpath'
+ *
+ * Input Parameters:
+ *   devpath - The full path to the driver to register. E.g., "/dev/uvlight0"
+ *   i2c     - An instance of the I2C interface to use to communicate with
+ *              VEML6070
+ *   addr    - The I2C address of the VEML6070.
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int veml6070_register(FAR const char *devpath, FAR struct i2c_master_s *i2c,
+                       uint8_t addr);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CONFIG_VEML6070 */
+#endif /* __INCLUDE_NUTTX_SENSORS_VEML6070_H */