92 lines
4.0 KiB
C
92 lines
4.0 KiB
C
/*
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* board_config.h
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*
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* Copyright (c) 2025 Umber Networks & Robert McMahon
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef BOARD_CONFIG_H
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#define BOARD_CONFIG_H
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#include "sdkconfig.h"
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#include "driver/gpio.h"
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#if defined (CONFIG_IDF_TARGET_ESP32C5)
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// ============================================================================
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// ESP32-C5 (DevKitC-1) 3.3V VCC Pin 1 GND PIN 15
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// ============================================================================
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#define RGB_LED_GPIO 27 // Common addressable LED pin for C5
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#define HAS_RGB_LED 1
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#define GPS_TX_PIN GPIO_NUM_24
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#define GPS_RX_PIN GPIO_NUM_23
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#define GPS_PPS_PIN GPIO_NUM_25 // J1 Pin 13; PPS works here with SD on 7,8,9,10,26
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#define GPS_PPS_ACTIVE_LOW 0 // rising-edge PPS (use 1 if pps-scan suggests falling > rising)
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// SD SPI pins for SparkFun microSD Transflash Breakout (ESP32-C5 has no SDMMC host)
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#define SDSPI_CLK_PIN GPIO_NUM_9
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#define SDSPI_MOSI_PIN GPIO_NUM_10
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#define SDSPI_MISO_PIN GPIO_NUM_8
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#define SDSPI_CS_PIN GPIO_NUM_7
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#define SD_CD_PIN GPIO_NUM_26 // Card Detect: LOW=inserted
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#elif defined (CONFIG_IDF_TARGET_ESP32S3)
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// ============================================================================
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// ESP32-S3 (DevKitC-1)
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// Most S3 DevKits use GPIO 48 for the addressable RGB LED.
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// If yours uses GPIO 38, change this value.
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// ============================================================================
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#define RGB_LED_GPIO 48
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#define HAS_RGB_LED 1
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#define GPS_TX_PIN GPIO_NUM_5
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#define GPS_RX_PIN GPIO_NUM_4
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#define GPS_PPS_PIN GPIO_NUM_6
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#define GPS_PPS_ACTIVE_LOW 1
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#elif defined (CONFIG_IDF_TARGET_ESP32)
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// ============================================================================
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// ESP32 (Original / Standard)
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// Standard ESP32 DevKits usually have a single blue LED on GPIO 2.
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// They rarely have an addressable RGB LED built-in.
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// ============================================================================
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#define RGB_LED_GPIO 2 // Standard Blue LED
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#define HAS_RGB_LED 0 // Not RGB
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#define GPS_TX_PIN GPIO_NUM_17
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#define GPS_RX_PIN GPIO_NUM_16
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#define GPS_PPS_PIN GPIO_NUM_4
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#define GPS_PPS_ACTIVE_LOW 1
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#else
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// Fallback
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#define RGB_LED_GPIO 8
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#define HAS_RGB_LED 1
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#define GPS_TX_PIN GPIO_NUM_1
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#define GPS_RX_PIN GPIO_NUM_3
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#define GPS_PPS_PIN GPIO_NUM_5
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#define GPS_PPS_ACTIVE_LOW 1
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#endif
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#endif // BOARD_CONFIG_H
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