a7a3d8bec7
Add board driver for ST7735, ST7789 and GC9A01 Signed-off-by: Peter Bee <bijunda1@xiaomi.com>
87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/****************************************************************************
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* boards/risc-v/esp32c3/esp32c3-devkit/src/esp32c3_board_spi.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <debug.h>
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#include <nuttx/spi/spi.h>
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#include "esp32c3_gpio.h"
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: esp32c3_spi2_status
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****************************************************************************/
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#ifdef CONFIG_ESP32C3_SPI2
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uint8_t esp32c3_spi2_status(FAR struct spi_dev_s *dev, uint32_t devid)
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{
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uint8_t status = 0;
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return status;
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}
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#endif
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/****************************************************************************
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* Name: esp32c3_spi2_cmddata
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****************************************************************************/
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#if defined(CONFIG_ESP32C3_SPI2) && defined(CONFIG_SPI_CMDDATA)
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int esp32c3_spi2_cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
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{
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#if defined(CONFIG_LCD_ST7735) || defined(CONFIG_LCD_ST7789) || \
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defined(CONFIG_LCD_GC9A01)
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if (devid == SPIDEV_DISPLAY(0))
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{
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/* This is the Data/Command control pad which determines whether the
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* data bits are data or a command.
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*/
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esp32c3_gpiowrite(CONFIG_ESP32C3_SPI2_MISOPIN, !cmd);
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return OK;
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}
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#endif
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spiinfo("devid: %" PRIu32 " CMD: %s\n", devid, cmd ? "command" :
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"data");
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return -ENODEV;
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}
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#endif
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