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/.pio

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>cwkeyer</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
<triggers>clean,full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
<triggers>full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.cdt.core.cnature</nature>
<nature>org.eclipse.cdt.core.ccnature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
</natures>
</projectDescription>

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<launchConfiguration type="org.eclipse.cdt.launch.applicationLaunchType">
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.AUTO_SOLIB" value="true"/>
<listAttribute key="org.eclipse.cdt.dsf.gdb.AUTO_SOLIB_LIST"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="piodebuggdb"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_ON_FORK" value="false"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.GDB_INIT" value=".pioinit"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.NON_STOP" value="false"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.REVERSE" value="false"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.REVERSE_MODE" value="UseSoftTrace"/>
<listAttribute key="org.eclipse.cdt.dsf.gdb.SOLIB_PATH"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.TRACEPOINT_MODE" value="TP_NORMAL_ONLY"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.internal.ui.launching.LocalApplicationCDebuggerTab.DEFAULTS_SET" value="true"/>
<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="1"/>
<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_ID" value="gdb"/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_REGISTER_GROUPS" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_START_MODE" value="run"/>
<booleanAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN" value="false"/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN_SYMBOL" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="/home/omega/Documents/foss/esp32projects/cwkeyer/.pio/build/esp32doit-devkit-v1/firmware.elf"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="cwkeyer"/>
<booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="false"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="0.910961921.1363900502"/>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
<listEntry value="/cwkeyer"/>
</listAttribute>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
<listEntry value="4"/>
</listAttribute>
<listAttribute key="org.eclipse.debug.ui.favoriteGroups">
<listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
</listAttribute>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;reserved-for-future-use&quot;/&gt;&#10;"/>
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
<stringAttribute key="saved_expressions&lt;seperator&gt;Unknown" value="0x55f4"/>
</launchConfiguration>

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project>
<configuration id="0.910961921" name="Default">
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="-736738477489841414" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${HOME}/.platformio/packages/toolchain-xtensa-esp32/bin/xtensa-esp32-elf-g++ ${FLAGS} -std=gnu++11 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<language-scope id="org.eclipse.cdt.core.gcc"/>
<language-scope id="org.eclipse.cdt.core.g++"/>
</provider>
</extension>
</configuration>
<configuration id="0.910961921.1363900502" name="Debug">
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="-736738477489841414" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${HOME}/.platformio/packages/toolchain-xtensa-esp32/bin/xtensa-esp32-elf-g++ ${FLAGS} -std=gnu++11 -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<language-scope id="org.eclipse.cdt.core.gcc"/>
<language-scope id="org.eclipse.cdt.core.g++"/>
</provider>
</extension>
</configuration>
</project>

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eclipse.preferences.version=1
environment/project/0.910961921/PATH/delimiter=\:
environment/project/0.910961921/PATH/operation=replace
environment/project/0.910961921/PATH/value=/usr/local/bin\:/usr/bin\:/bin\:/usr/local/sbin\:/usr/lib/jvm/default/bin\:/usr/bin/site_perl\:/usr/bin/vendor_perl\:/usr/bin/core_perl\:/usr/local/bin\:/usr/bin\:/bin\:/usr/local/sbin\:/usr/lib/jvm/default/bin\:/usr/bin/site_perl\:/usr/bin/vendor_perl\:/usr/bin/core_perl${PathDelimiter}${PATH}
environment/project/0.910961921/append=true
environment/project/0.910961921/appendContributed=true
environment/project/0.910961921.1363900502/PATH/delimiter=\:
environment/project/0.910961921.1363900502/PATH/operation=replace
environment/project/0.910961921.1363900502/PATH/value=/usr/local/bin\:/usr/bin\:/bin\:/usr/local/sbin\:/usr/lib/jvm/default/bin\:/usr/bin/site_perl\:/usr/bin/vendor_perl\:/usr/bin/core_perl\:/usr/local/bin\:/usr/bin\:/bin\:/usr/local/sbin\:/usr/lib/jvm/default/bin\:/usr/bin/site_perl\:/usr/bin/vendor_perl\:/usr/bin/core_perl${PathDelimiter}${PATH}
environment/project/0.910961921.1363900502/append=true
environment/project/0.910961921.1363900502/appendContributed=true

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This directory is intended for project header files.
A header file is a file containing C declarations and macro definitions
to be shared between several project source files. You request the use of a
header file in your project source file (C, C++, etc) located in `src` folder
by including it, with the C preprocessing directive `#include'.
```src/main.c
#include "header.h"
int main (void)
{
...
}
```
Including a header file produces the same results as copying the header file
into each source file that needs it. Such copying would be time-consuming
and error-prone. With a header file, the related declarations appear
in only one place. If they need to be changed, they can be changed in one
place, and programs that include the header file will automatically use the
new version when next recompiled. The header file eliminates the labor of
finding and changing all the copies as well as the risk that a failure to
find one copy will result in inconsistencies within a program.
In C, the usual convention is to give header files names that end with `.h'.
It is most portable to use only letters, digits, dashes, and underscores in
header file names, and at most one dot.
Read more about using header files in official GCC documentation:
* Include Syntax
* Include Operation
* Once-Only Headers
* Computed Includes
https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

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This directory is intended for project specific (private) libraries.
PlatformIO will compile them to static libraries and link into executable file.
The source code of each library should be placed in a an own separate directory
("lib/your_library_name/[here are source files]").
For example, see a structure of the following two libraries `Foo` and `Bar`:
|--lib
| |
| |--Bar
| | |--docs
| | |--examples
| | |--src
| | |- Bar.c
| | |- Bar.h
| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
| |
| |--Foo
| | |- Foo.c
| | |- Foo.h
| |
| |- README --> THIS FILE
|
|- platformio.ini
|--src
|- main.c
and a contents of `src/main.c`:
```
#include <Foo.h>
#include <Bar.h>
int main (void)
{
...
}
```
PlatformIO Library Dependency Finder will find automatically dependent
libraries scanning project source files.
More information about PlatformIO Library Dependency Finder
- https://docs.platformio.org/page/librarymanager/ldf.html

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platformio.ini Normal file
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; PlatformIO Project Configuration File
;
; Build options: build flags, source filter
; Upload options: custom upload port, speed and extra flags
; Library options: dependencies, extra library storages
; Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html
[env:esp32doit-devkit-v1]
platform = espressif32
framework = arduino
board = esp32doit-devkit-v1
upload_protocol = esptool
upload_speed = 921600
board_build.flash_mode = dio
build_flags = -DCORE_DEBUG_LEVEL=4
lib_deps =
yellobyte/DacESP32@^1.0.10
madhephaestus/ESP32Encoder@^0.10.1

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#include <Arduino.h>
#include <DacESP32.h>
#include <ESP32Encoder.h>
#define PIN_L 4 // pin GPIO T4 = 13
#define PIN_R 15 // pin GPIO T5 = 12
#define MODE 0 // set 1 for ESP32-S2 and -S3 (higher touchRead value = contact)
enum cw_touchmode_t {
TOUCH,
PADDLE
} cw_touchmode = PADDLE;
uint8_t thresh_L = 10;
uint8_t thresh_R = 10;
DacESP32 dac1(DAC_CHANNEL_1); // GPIO 25
enum cw_element_t {
IDLE,
DIT,
DAH,
DELAY,
};
cw_element_t prevEl = IDLE;
cw_element_t currEl = IDLE;
cw_element_t nextEl = IDLE;
int currElEndTime = 0;
int wpm = 20;
ESP32Encoder encoder;
void setup()
{
if (cw_touchmode == TOUCH) {
thresh_L = (int) ((float)touchRead(PIN_L) * 0.9f);
thresh_R = (int) ((float)touchRead(PIN_R) * 0.9f);
} else if (cw_touchmode == PADDLE) {
pinMode(PIN_L, INPUT_PULLUP);
pinMode(PIN_R, INPUT_PULLUP);
}
pinMode(LED_BUILTIN, OUTPUT);
dac1.outputCW(1000);
dac1.dacCwDeselect();
ESP32Encoder::useInternalWeakPullResistors=UP;
encoder.attachHalfQuad(16, 17);
encoder.setCount(wpm * 2);
}
void toneStart() {
digitalWrite(LED_BUILTIN, HIGH);
dac1.dacCwSelect();
}
void toneStop() {
digitalWrite(LED_BUILTIN, LOW);
dac1.dacCwDeselect();
}
void loop()
{
auto ditLength = 1200 / wpm;
auto time = millis();
long newWpm = encoder.getCount() / 2;
if (newWpm != wpm) {
if (newWpm > 3) {
wpm = newWpm;
log_d("Changing WPM to %d\n", wpm);
}
}
bool holding_L, holding_R;
if (cw_touchmode == TOUCH) {
auto val_L = touchRead(PIN_L);
auto val_R = touchRead(PIN_R);
holding_L = (val_L < thresh_L);
holding_R = (val_R < thresh_R);
} else if (cw_touchmode == PADDLE) {
holding_L = !digitalRead(PIN_L);
holding_R = !digitalRead(PIN_R);
}
holding_L ^= MODE;
holding_R ^= MODE;
// in MODE 0: L = dit, R = dah
// log_v("prev: %d, curr: %d, next: %d, L: %d (trig %d) => %d | R: %d (trig %d) => %d @ %d / %d\n", prevEl, currEl, nextEl, val_L, thresh_L, holding_L, val_R, thresh_R, holding_R, time, currElEndTime);
switch (currEl) {
case IDLE:
if (holding_L && !holding_R) {
currEl = DIT;
currElEndTime = time + ditLength;
} else if (!holding_L && holding_R) {
currEl = DAH;
currElEndTime = time + 3 * ditLength;
} else if (holding_L && holding_R && nextEl == IDLE) { // both pressed at the same time
currEl = DIT;
nextEl = DAH;
currElEndTime = time + 3 * ditLength;
}
toneStop();
break;
case DIT:
if (holding_R && nextEl == IDLE) {
log_v("holding R, queuing DAH\n");
nextEl = DAH;
}
if (time >= currElEndTime) {
currEl = DELAY;
currElEndTime = time + ditLength;
}
toneStart();
break;
case DAH:
if (holding_L && nextEl == IDLE) {
log_v("holding L, queuing DIT\n");
nextEl = DIT;
}
if (time >= currElEndTime) {
currEl = DELAY;
currElEndTime = time + ditLength;
}
toneStart();
break;
case DELAY:
if (time >= currElEndTime) { // delay ended
log_v("delay ended, curr: %d, next: %d\n", currEl, nextEl);
currEl = nextEl; // play the next element
if (currEl == DIT) {
log_v("playing DIT next\n");
currElEndTime = time + ditLength;
} else if (currEl == DAH) {
log_v("playing DAH next\n");
currElEndTime = time + 3 * ditLength;
}
nextEl = IDLE;
}
if (prevEl == DIT && holding_R && nextEl == IDLE) {
nextEl = DAH;
} else if (prevEl == DAH && holding_L && nextEl == IDLE) {
nextEl = DIT;
}
toneStop();
break;
}
prevEl = currEl;
}

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This directory is intended for PlatformIO Test Runner and project tests.
Unit Testing is a software testing method by which individual units of
source code, sets of one or more MCU program modules together with associated
control data, usage procedures, and operating procedures, are tested to
determine whether they are fit for use. Unit testing finds problems early
in the development cycle.
More information about PlatformIO Unit Testing:
- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html