diff --git a/boards/xtensa/esp32/common/include/esp32_ht16k33.h b/boards/xtensa/esp32/common/include/esp32_ht16k33.h new file mode 100644 index 0000000000..9464ecc893 --- /dev/null +++ b/boards/xtensa/esp32/common/include/esp32_ht16k33.h @@ -0,0 +1,84 @@ +/**************************************************************************** + * boards/xtensa/esp32/common/include/esp32_ht16k33.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_BOARD_HT16K33_H +#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_BOARD_HT16K33_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Type Definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" +{ +#else +#define EXTERN extern +#endif + +/**************************************************************************** + * Inline Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Name: board_ht16k33_initialize + * + * Description: + * Initialize and register the HT16K32 LED Display. + * + * Input Parameters: + * devno - The device number, used to build the device path as /dev/slcdN + * busno - The I2C bus number + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +int board_ht16k33_initialize(int devno, int busno); + +#undef EXTERN +#ifdef __cplusplus +} +#endif + +#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_BOARD_HT16K33_H */ diff --git a/boards/xtensa/esp32/common/src/Make.defs b/boards/xtensa/esp32/common/src/Make.defs index 2504119791..928dbe0960 100644 --- a/boards/xtensa/esp32/common/src/Make.defs +++ b/boards/xtensa/esp32/common/src/Make.defs @@ -42,6 +42,10 @@ ifeq ($(CONFIG_SENSORS_BMP180),y) CSRCS += esp32_bmp180.c endif +ifeq ($(CONFIG_LCD_HT16K33),y) + CSRCS += esp32_ht16k33.c +endif + ifeq ($(CONFIG_CAN_MCP2515),y) CSRCS += esp32_mcp2515.c endif diff --git a/boards/xtensa/esp32/common/src/esp32_ht16k33.c b/boards/xtensa/esp32/common/src/esp32_ht16k33.c new file mode 100644 index 0000000000..34170a3cac --- /dev/null +++ b/boards/xtensa/esp32/common/src/esp32_ht16k33.c @@ -0,0 +1,109 @@ +/**************************************************************************** + * boards/xtensa/esp32/common/src/esp32_ht16k33.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include +#include + +#include "esp32_board_i2c.h" +#include "esp32_i2c.h" +#include "esp32_ht16k33.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_ht16k33_initialize + * + * Description: + * Initialize and register the BMP180 Pressure Sensor driver. + * + * Input Parameters: + * devno - The device number, used to build the device path as /dev/pressN + * busno - The I2C bus number + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +int board_ht16k33_initialize(int devno, int busno) +{ + struct i2c_master_s *i2c; + int ret; + + sninfo("Initializing HT16K33!\n"); + + /* Initialize I2C Bus */ + + i2c = esp32_i2cbus_initialize(busno); + + if (i2c) + { + /* Register the HT16K33 Driver at the specified location. */ + + ret = ht16k33_register(devno, i2c); + if (ret < 0) + { + lcderr("ERROR: ht16k33_register(%d) failed: %d\n", devno, ret); + return ret; + } + } + else + { + ret = -ENODEV; + } + + return ret; +} + diff --git a/boards/xtensa/esp32/esp32-devkitc/src/esp32_bringup.c b/boards/xtensa/esp32/esp32-devkitc/src/esp32_bringup.c index 33695bcdde..75a61dad12 100644 --- a/boards/xtensa/esp32/esp32-devkitc/src/esp32_bringup.c +++ b/boards/xtensa/esp32/esp32-devkitc/src/esp32_bringup.c @@ -74,6 +74,10 @@ # include "esp32_bmp180.h" #endif +#ifdef CONFIG_LCD_HT16K33 +# include "esp32_ht16k33.h" +#endif + #ifdef CONFIG_ESP32_AES_ACCELERATOR # include "esp32_aes.h" #endif @@ -349,6 +353,18 @@ int esp32_bringup(void) } #endif +#ifdef CONFIG_LCD_HT16K33 + /* Try to register HT16K33 in the I2C0 */ + + ret = board_ht16k33_initialize(0, 0); + + if (ret < 0) + { + syslog(LOG_ERR, "Failed to initialize HT16K33 driver: %d\n", ret); + return ret; + } +#endif + #ifdef CONFIG_INPUT_BUTTONS /* Register the BUTTON driver */