Initialize updateReadme

.gitignore

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+build
+main/build
+sdkconfig.old
+*.bak
+*.old
+.vscode

.gitmodules

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+[submodule "esp-idf"]
+	path = esp-idf
+	url = https://github.com/espressif/esp-idf.git
+[submodule "components/bus-i2c"]
+	path = components/bus-i2c
+	url = https://github.com/Nicolai-Electronics/esp32-component-bus-i2c.git
+[submodule "components/i2c-bno055"]
+	path = components/i2c-bno055
+	url = https://github.com/Nicolai-Electronics/esp32-component-i2c-bno055.git
+[submodule "components/spi-ili9341"]
+	path = components/spi-ili9341
+	url = https://github.com/Nicolai-Electronics/esp32-component-spi-ili9341.git
+[submodule "components/spi-ice40"]
+	path = components/spi-ice40
+	url = https://github.com/Nicolai-Electronics/esp32-component-spi-ice40.git
+[submodule "components/sdcard"]
+	path = components/sdcard
+	url = https://github.com/Nicolai-Electronics/esp32-component-sdcard.git
+[submodule "components/pax-graphics"]
+	path = components/pax-graphics
+	url = https://github.com/robotman2412/pax-graphics.git
+[submodule "components/mch2022-rp2040"]
+	path = components/mch2022-rp2040
+	url = https://github.com/badgeteam/esp32-component-mch2022-rp2040.git
+[submodule "components/esp32-component-appfs"]
+	path = components/appfs
+	url = https://github.com/badgeteam/esp32-component-appfs.git
+[submodule "components/ws2812"]
+	path = components/ws2812
+	url = https://github.com/badgeteam/esp32-component-ws2812.git
+[submodule "components/mch2022-efuse"]
+	path = components/mch2022-efuse
+	url = https://github.com/badgeteam/esp32-component-mch2022-efuse.git
+[submodule "components/mch2022-bsp"]
+	path = components/mch2022-bsp
+	url = https://github.com/badgeteam/esp32-component-mch2022-bsp.git
+[submodule "components/pax-codecs"]
+	path = components/pax-codecs
+	url = https://github.com/robotman2412/pax-codecs.git
+[submodule "main/pax-keyboard"]
+	path = components/pax-keyboard
+	url = https://github.com/robotman2412/pax-keyboard

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+set(PROJECT_NAME "MCH2022 launcher")
+set(PROJECT_VER "0.1")
+
+project(main)
+

LICENSE

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+Copyright 2022 Julian Scheffers
+Copyright 2022 Jeroen Domburg
+Copyright 2022 Renze Nicolai
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Makefile

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+PORT ?= /dev/ttyACM0
+BUILDDIR ?= build
+IDF_PATH ?= $(shell pwd)/esp-idf
+IDF_EXPORT_QUIET ?= 0
+SHELL := /usr/bin/env bash
+
+.PHONY: prepare clean build flash erase monitor menuconfig
+
+all: prepare build
+
+prepare:
+	git submodule update --init --recursive
+	cd esp-idf; bash install.sh
+
+clean:
+	rm -rf "$(BUILDDIR)"
+
+build:
+	source "$(IDF_PATH)/export.sh" && idf.py build
+
+flash: build
+	source "$(IDF_PATH)/export.sh" && idf.py flash -p $(PORT)
+
+erase:
+	source "$(IDF_PATH)/export.sh" && idf.py erase-flash -p $(PORT)
+
+monitor:
+	source "$(IDF_PATH)/export.sh" && idf.py monitor -p $(PORT)
+
+menuconfig:
+	source "$(IDF_PATH)/export.sh" && idf.py menuconfig

README.md

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+# MCH2022 template app
+
+This repository contains a template app for the MCH2022 badge.
+
+## License
+
+The source code contained in this repository is licensed under terms of the MIT license, more information can be found in the LICENSE file.
+
+Source code included as submodules is licensed separately, please check the following table for details.
+
+| Submodule                   | License                           | Author                                                 |
+|-----------------------------|-----------------------------------|--------------------------------------------------------|
+| esp-idf                     | Apache License 2.0                | Espressif Systems (Shanghai) CO LTD                    |
+| components/appfs            | THE BEER-WARE LICENSE Revision 42 | Jeroen Domburg <jeroen@spritesmods.com>                |
+| components/bus-i2c          | MIT                               | Nicolai Electronics                                    |
+| components/i2c-bno055       | MIT                               | Nicolai Electronics                                    |
+| components/mch2022-rp2040   | MIT                               | Renze Nicolai                                          |
+| components/pax-graphics     | MIT                               | Julian Scheffers                                       |
+| components/pax-keyboard     | MIT                               | Julian Scheffers                                       |
+| components/sdcard           | MIT                               | Nicolai Electronics                                    |
+| components/spi-ice40        | MIT                               | Nicolai Electronics                                    |
+| components/spi-ili9341      | MIT                               | Nicolai Electronics                                    |
+| components/ws2812           | MIT                               | Unlicense / Public domain                              |
+
+## How to make
+```sh
+git clone --recursive https://github.com/badgeteam/mch2022-template-app
+cd mch2022-template-app
+make prepare
+make
+```
+
+This will produce the `main.bin` file in the `build` folder that contains the compiled application.

components/i2c-bme680/CMakeLists.txt

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+idf_component_register(
+  SRCS "bme680.c"
+  INCLUDE_DIRS include
+  REQUIRES "bus-i2c"
+)

components/i2c-bme680/bme680.c

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+/**
+ * Copyright (c) 2022 Nicolai Electronics
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <sdkconfig.h>
+#include <esp_log.h>
+#include <driver/gpio.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/semphr.h>
+#include <freertos/task.h>
+#include "bme680.h"
+#include "managed_i2c.h"
+
+static const char *TAG = "BME680";
+
+esp_err_t bme680_check_id(BME680* device) {
+    uint8_t chip_id;
+    esp_err_t res = i2c_read_reg(device->i2c_bus, device->i2c_address, BME680_REG_CHIP_ID, &chip_id, 1);
+    if (res != ESP_OK) return res;
+    if (chip_id != BME680_CHIP_ID) {
+        ESP_LOGE(TAG, "Unexpected chip id value 0x%02X, expected 0x%02X", chip_id, BME680_CHIP_ID);
+        return ESP_FAIL;
+    }
+    return ESP_OK;
+}
+
+esp_err_t bme680_reset(BME680* device) {
+    uint8_t value = 0xFF;
+    esp_err_t res = i2c_write_reg_n(device->i2c_bus, device->i2c_address, BME680_REG_RESET, &value, 1);
+    if (res != ESP_OK) return res;
+    return ESP_OK;
+}
+
+esp_err_t bme680_init(BME680* device) {
+    esp_err_t res = bme680_reset(device);
+    if (res != ESP_OK) return res;
+    vTaskDelay(100 / portTICK_PERIOD_MS);
+    res = bme680_check_id(device);
+    if (res != ESP_OK) return res;
+    return res;
+}
+
+esp_err_t bme680_deinit(BME680* device) {
+    return bme680_reset(device);
+}

components/i2c-bme680/include/bme680.h

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+#pragma once
+
+#include <esp_err.h>
+#include <stdint.h>
+
+#define BME680_REG_RESET   0xE0
+#define BME680_REG_CHIP_ID 0xD0
+
+#define BME680_CHIP_ID 0x61
+
+typedef struct BME680 {
+    int              i2c_bus;
+    int              i2c_address;
+} BME680;
+
+esp_err_t bme680_init(BME680* device);
+esp_err_t bme680_deinit(BME680* device);
+esp_err_t bme680_check_id(BME680* device);
+esp_err_t bme680_reset(BME680* device);

fpga/fpga.py

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+#!/usr/bin/env python3
+
+import binascii, serial, time, sys, argparse
+
+parser = argparse.ArgumentParser(description='MCH2022 badge FPGA bitstream programming tool')
+parser.add_argument("port", help="Serial port")
+parser.add_argument("bitstream", help="Bitstream binary")
+args = parser.parse_args()
+
+with open(args.bitstream, "rb") as f:
+    bitstream = f.read()
+
+port = serial.Serial(args.port, 921600, timeout=1)
+print("Waiting for badge...")
+while True:
+    data = port.read(4)
+    if (data == b"FPGA"):
+        break
+port.write(b'FPGA' + (len(bitstream).to_bytes(4, byteorder='little')) + binascii.crc32(bitstream).to_bytes(4, byteorder='little'))
+time.sleep(0.5)
+sent = 0
+print("Sending data", end="")
+while len(bitstream) - sent > 0:
+    print(".", end="")
+    sys.stdout.flush()
+    txLength = len(bitstream)
+    if txLength > 2048:
+        txLength = 2048
+    port.write(bitstream[sent:sent + txLength])
+    time.sleep(0.05)
+    sent += txLength
+while port.is_open:
+    inLen = port.in_waiting
+    if inLen > 0:
+        data = port.read(inLen).decode('utf-8','ignore');
+        if data == 'FPGA':
+            print(data)
+        else:
+            print(data, end='')
+port.close()
+print("\n")

main/CMakeLists.txt

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+idf_component_register(
+    SRCS
+        "main.c"
+    INCLUDE_DIRS
+        "." "include"
+)

main/include/main.h

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+
+#pragma once
+
+#include "hardware.h"
+#include "pax_gfx.h"
+#include "pax_codecs.h"
+#include "ili9341.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/queue.h"
+#include "esp_system.h"
+#include "nvs.h"
+#include "nvs_flash.h"
+#include "wifi_connect.h"
+#include "wifi_connection.h"
+#include "soc/rtc.h"
+#include "soc/rtc_cntl_reg.h"
+
+void disp_flush();
+void exit_to_launcher();

main/main.c

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+
+// This file contains a simple hello world app which you can base you own apps on.
+
+#include "main.h"
+
+static pax_buf_t buf;
+xQueueHandle buttonQueue;
+
+static const char *TAG = "mch2022-demo-app";
+
+void disp_flush() {
+    ili9341_write(get_ili9341(), buf.buf);
+}
+
+void exit_to_launcher() {
+    REG_WRITE(RTC_CNTL_STORE0_REG, 0);
+    esp_restart();
+}
+
+void app_main() {
+    // Init HW.
+    bsp_init();
+    bsp_rp2040_init();
+    buttonQueue = get_rp2040()->queue;
+    
+    // Init GFX.
+    pax_buf_init(&buf, NULL, 320, 240, PAX_BUF_16_565RGB);
+    
+    // Init NVS.
+    nvs_flash_init();
+    
+    // Init (but not connect to) WiFi.
+    wifi_init();
+    
+    while (1) {
+        // Pick a random background color.
+        int hue = esp_random() & 255;
+        pax_col_t col = pax_col_hsv(hue, 255 /*saturation*/, 255 /*brighness*/);
+        
+        // Show some random color hello world.
+        pax_background(&buf, col);
+        char             *text = "Hello, World!";
+        const pax_font_t *font = pax_get_font("saira condensed");
+        pax_vec1_t        dims = pax_text_size(font, font->default_size, text);
+        pax_draw_text(
+            &buf, 0xff000000, font, font->default_size,
+            (buf.width  - dims.x) / 2.0,
+            (buf.height - dims.y) / 2.0,
+            text
+        );
+        disp_flush();
+        
+        // Await any button press and do another cycle.
+        rp2040_input_message_t message;
+        xQueueReceive(buttonQueue, &message, portMAX_DELAY);
+        
+        if (message.input == RP2040_INPUT_BUTTON_HOME && message.state) {
+            // If home is pressed, exit to launcher.
+            exit_to_launcher();
+        }
+    }
+}

partitions.csv

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+# 	ESP-IDF Partition Table					
+# 	Name,	Type,	SubType,	Offset,	Size,	Flags
+	nvs,	data,	nvs,	0xA000,	12K,	
+	otadata,	data,	ota,	0xD000,	8K,	
+	phy_init,	data,	phy,	0xF000,	4K,	
+	ota_0,	0,	ota_0,	0x10000,	1600K,	
+	ota_1,	0,	ota_1,	0x1A0000,	1600K,	
+	appfs,	0x43,	3,	0x330000,	8000K,	
+	locfd,	data,	fat,	0xB00000,	5120K,