From ba27097cedc504d6135f5652013d00c1581be40e Mon Sep 17 00:00:00 2001
From: "A.M. Rowsell" <amrowsell@frozenelectronics.ca>
Date: Sun, 3 Aug 2025 13:12:09 -0400
Subject: [PATCH] dev: Getting the GPIO and such set up, starting to poke at
 NeoPixel

---
 NeoPixel.hpp                 |   2 +-
 main.cpp                     |   6 +
 nbproject/configurations.xml | 239 +++++++++++++++++++++++++++++++++--
 nbproject/project.xml        |   6 +-
 4 files changed, 237 insertions(+), 16 deletions(-)

diff --git a/NeoPixel.hpp b/NeoPixel.hpp
index 94a84a8..fc3c407 100644
--- a/NeoPixel.hpp
+++ b/NeoPixel.hpp
@@ -7,7 +7,7 @@
 
 #ifndef NEOPIXEL_HPP
 #define NEOPIXEL_HPP
-#include <stdint.h>
+#include <cstdint>
 
 class NeoPixel {
 public:
diff --git a/main.cpp b/main.cpp
index f109b92..9625693 100644
--- a/main.cpp
+++ b/main.cpp
@@ -60,6 +60,12 @@
 
 volatile uint8_t spi_rx_buffer[8];
 
+// dummy open to get rid of linker error
+extern "C" int open(const char *buf, int flags, int mode) {
+    // Always return failure — no file system.
+    return -1;
+}
+
 void sendChar(uint8_t c) {
     U1TXREG = c;
     while(!U1STAbits.TRMT); // wait for transmission
diff --git a/nbproject/configurations.xml b/nbproject/configurations.xml
index d9e09c7..a00406b 100644
--- a/nbproject/configurations.xml
+++ b/nbproject/configurations.xml
@@ -41,7 +41,7 @@
   </logicalFolder>
   <projectmakefile>Makefile</projectmakefile>
   <confs>
-    <conf name="default" type="2">
+    <conf name="Debug" type="2">
       <toolsSet>
         <developmentServer>localhost</developmentServer>
         <targetDevice>PIC32MX270F256B</targetDevice>
@@ -85,7 +85,6 @@
       <C32>
         <property key="additional-warnings" value="true"/>
         <property key="addresss-attribute-use" value="false"/>
-        <property key="appendMe" value=""/>
         <property key="cast-align" value="false"/>
         <property key="code-model" value="default"/>
         <property key="const-model" value="default"/>
@@ -102,7 +101,7 @@
         <property key="extra-include-directories" value=""/>
         <property key="generate-16-bit-code" value="false"/>
         <property key="generate-micro-compressed-code" value="false"/>
-        <property key="isolate-each-function" value="true"/>
+        <property key="isolate-each-function" value="false"/>
         <property key="keep-inline" value="false"/>
         <property key="make-warnings-into-errors" value="true"/>
         <property key="oXC16gcc-errata" value=""/>
@@ -114,7 +113,7 @@
         <property key="oXC16gcc-sfr-warn" value="false"/>
         <property key="oXC16gcc-smar-io-lvl" value="1"/>
         <property key="oXC16gcc-smart-io-fmt" value=""/>
-        <property key="optimization-level" value="-O1"/>
+        <property key="optimization-level" value="-O0"/>
         <property key="place-data-into-section" value="true"/>
         <property key="post-instruction-scheduling" value="default"/>
         <property key="pre-instruction-scheduling" value="default"/>
@@ -144,6 +143,220 @@
         <property key="generate-micro-compressed-code" value="false"/>
         <property key="keep-locals" value="false"/>
         <property key="list-assembly" value="false"/>
+        <property key="list-section-info" value="true"/>
+        <property key="list-source" value="false"/>
+        <property key="list-symbols" value="false"/>
+        <property key="oXC16asm-extra-opts" value=""/>
+        <property key="oXC32asm-list-to-file" value="false"/>
+        <property key="omit-debug-dirs" value="false"/>
+        <property key="omit-forms" value="false"/>
+        <property key="preprocessor-macros" value=""/>
+        <property key="relax" value="false"/>
+        <property key="warning-level" value=""/>
+      </C32-AS>
+      <C32-CO>
+        <property key="coverage-enable" value=""/>
+        <property key="stack-guidance" value="false"/>
+      </C32-CO>
+      <C32-LD>
+        <property key="additional-options-use-response-files" value="false"/>
+        <property key="additional-options-write-sla" value="false"/>
+        <property key="allocate-dinit" value="false"/>
+        <property key="code-dinit" value="false"/>
+        <property key="ebase-addr" value=""/>
+        <property key="enable-check-sections" value="false"/>
+        <property key="enable-data-init" value="true"/>
+        <property key="enable-default-isr" value="true"/>
+        <property key="exclude-floating-point-library" value="false"/>
+        <property key="exclude-standard-libraries" value="false"/>
+        <property key="extra-lib-directories" value=""/>
+        <property key="fill-flash-options-addr" value=""/>
+        <property key="fill-flash-options-const" value=""/>
+        <property key="fill-flash-options-how" value="0"/>
+        <property key="fill-flash-options-inc-const" value="1"/>
+        <property key="fill-flash-options-increment" value=""/>
+        <property key="fill-flash-options-seq" value=""/>
+        <property key="fill-flash-options-what" value="0"/>
+        <property key="generate-16-bit-code" value="false"/>
+        <property key="generate-cross-reference-file" value="true"/>
+        <property key="generate-micro-compressed-code" value="false"/>
+        <property key="heap-size" value="1000"/>
+        <property key="input-libraries" value=""/>
+        <property key="kseg-length" value=""/>
+        <property key="kseg-origin" value=""/>
+        <property key="linker-symbols" value=""/>
+        <property key="map-file" value="${DISTDIR}/${PROJECTNAME}.${IMAGE_TYPE}.map"/>
+        <property key="no-device-startup-code" value="false"/>
+        <property key="no-ivt" value="false"/>
+        <property key="no-startup-files" value="false"/>
+        <property key="oXC16ld-force-link" value="false"/>
+        <property key="oXC16ld-no-smart-io" value="false"/>
+        <property key="oXC16ld-stackguard" value="16"/>
+        <property key="oXC32ld-extra-opts" value=""/>
+        <property key="optimization-level" value="-O1"/>
+        <property key="preprocessor-macros" value=""/>
+        <property key="remove-unused-sections" value="true"/>
+        <property key="report-memory-usage" value="true"/>
+        <property key="serial-length" value=""/>
+        <property key="serial-origin" value=""/>
+        <property key="stack-size" value="100"/>
+        <property key="symbol-stripping" value=""/>
+        <property key="trace-symbols" value=""/>
+        <property key="warn-section-align" value="false"/>
+      </C32-LD>
+      <C32CPP>
+        <property key="additional-warnings" value="false"/>
+        <property key="addresss-attribute-use" value="false"/>
+        <property key="check-new" value="false"/>
+        <property key="eh-specs" value="true"/>
+        <property key="enable-app-io" value="false"/>
+        <property key="enable-omit-frame-pointer" value="false"/>
+        <property key="enable-symbols" value="true"/>
+        <property key="enable-unroll-loops" value="false"/>
+        <property key="exceptions" value="true"/>
+        <property key="exclude-floating-point" value="false"/>
+        <property key="extra-include-directories" value=""/>
+        <property key="generate-16-bit-code" value="false"/>
+        <property key="generate-micro-compressed-code" value="false"/>
+        <property key="isolate-each-function" value="false"/>
+        <property key="make-warnings-into-errors" value="false"/>
+        <property key="optimization-level" value=""/>
+        <property key="place-data-into-section" value="true"/>
+        <property key="post-instruction-scheduling" value="default"/>
+        <property key="pre-instruction-scheduling" value="default"/>
+        <property key="preprocessor-macros" value=""/>
+        <property key="rtti" value="true"/>
+        <property key="strict-ansi" value="false"/>
+        <property key="toplevel-reordering" value=""/>
+        <property key="unaligned-access" value=""/>
+        <property key="use-cci" value="false"/>
+        <property key="use-iar" value="false"/>
+        <property key="use-indirect-calls" value="false"/>
+        <appendMe value="-std=c++17"/>
+      </C32CPP>
+      <C32Global>
+        <property key="combine-sourcefiles" value="false"/>
+        <property key="common-include-directories" value=""/>
+        <property key="common-macros" value=""/>
+        <property key="dual-boot-partition" value="0"/>
+        <property key="generic-16-bit" value="false"/>
+        <property key="gp-relative-option" value=""/>
+        <property key="legacy-libc" value="true"/>
+        <property key="mdtcm" value=""/>
+        <property key="mitcm" value=""/>
+        <property key="mpreserve-all" value="false"/>
+        <property key="mstacktcm" value="false"/>
+        <property key="omit-pack-options" value="1"/>
+        <property key="preserve-all" value="false"/>
+        <property key="preserve-file" value=""/>
+        <property key="relaxed-math" value="false"/>
+        <property key="save-temps" value="false"/>
+        <property key="stack-smashing" value=""/>
+        <property key="wpo-lto" value="false"/>
+      </C32Global>
+    </conf>
+    <conf name="Production" type="2">
+      <toolsSet>
+        <developmentServer>localhost</developmentServer>
+        <targetDevice>PIC32MX270F256B</targetDevice>
+        <targetHeader></targetHeader>
+        <targetPluginBoard></targetPluginBoard>
+        <platformTool>noID</platformTool>
+        <languageToolchain>XC32</languageToolchain>
+        <languageToolchainVersion>4.60</languageToolchainVersion>
+        <platform>2</platform>
+      </toolsSet>
+      <packs>
+        <pack name="PIC32MX_DFP" vendor="Microchip" version="1.6.369"/>
+      </packs>
+      <ScriptingSettings>
+      </ScriptingSettings>
+      <compileType>
+        <linkerTool>
+          <linkerLibItems>
+          </linkerLibItems>
+        </linkerTool>
+        <archiverTool>
+        </archiverTool>
+        <loading>
+          <useAlternateLoadableFile>false</useAlternateLoadableFile>
+          <parseOnProdLoad>false</parseOnProdLoad>
+          <alternateLoadableFile></alternateLoadableFile>
+        </loading>
+        <subordinates>
+        </subordinates>
+      </compileType>
+      <makeCustomizationType>
+        <makeCustomizationPreStepEnabled>false</makeCustomizationPreStepEnabled>
+        <makeUseCleanTarget>false</makeUseCleanTarget>
+        <makeCustomizationPreStep></makeCustomizationPreStep>
+        <makeCustomizationPostStepEnabled>false</makeCustomizationPostStepEnabled>
+        <makeCustomizationPostStep></makeCustomizationPostStep>
+        <makeCustomizationPutChecksumInUserID>false</makeCustomizationPutChecksumInUserID>
+        <makeCustomizationEnableLongLines>false</makeCustomizationEnableLongLines>
+        <makeCustomizationNormalizeHexFile>false</makeCustomizationNormalizeHexFile>
+      </makeCustomizationType>
+      <C32>
+        <property key="additional-warnings" value="false"/>
+        <property key="addresss-attribute-use" value="false"/>
+        <property key="cast-align" value="false"/>
+        <property key="code-model" value="default"/>
+        <property key="const-model" value="default"/>
+        <property key="data-model" value="default"/>
+        <property key="disable-instruction-scheduling" value="false"/>
+        <property key="enable-app-io" value="false"/>
+        <property key="enable-omit-frame-pointer" value="false"/>
+        <property key="enable-procedural-abstraction" value="false"/>
+        <property key="enable-short-double" value="false"/>
+        <property key="enable-symbols" value="false"/>
+        <property key="enable-unroll-loops" value="false"/>
+        <property key="exclude-floating-point" value="true"/>
+        <property key="expand-pragma-config" value="false"/>
+        <property key="extra-include-directories" value=""/>
+        <property key="generate-16-bit-code" value="false"/>
+        <property key="generate-micro-compressed-code" value="false"/>
+        <property key="isolate-each-function" value="true"/>
+        <property key="keep-inline" value="false"/>
+        <property key="make-warnings-into-errors" value="false"/>
+        <property key="oXC16gcc-errata" value=""/>
+        <property key="oXC16gcc-large-aggregate" value="false"/>
+        <property key="oXC16gcc-mpa-lvl" value=""/>
+        <property key="oXC16gcc-name-text-sec" value=""/>
+        <property key="oXC16gcc-near-chars" value="false"/>
+        <property key="oXC16gcc-no-isr-warn" value="false"/>
+        <property key="oXC16gcc-sfr-warn" value="false"/>
+        <property key="oXC16gcc-smar-io-lvl" value="1"/>
+        <property key="oXC16gcc-smart-io-fmt" value=""/>
+        <property key="optimization-level" value="-O2"/>
+        <property key="place-data-into-section" value="true"/>
+        <property key="post-instruction-scheduling" value="default"/>
+        <property key="pre-instruction-scheduling" value="default"/>
+        <property key="preprocessor-macros" value=""/>
+        <property key="scalar-model" value="default"/>
+        <property key="strict-ansi" value="false"/>
+        <property key="support-ansi" value="false"/>
+        <property key="tentative-definitions" value="-fcommon"/>
+        <property key="toplevel-reordering" value=""/>
+        <property key="unaligned-access" value=""/>
+        <property key="use-cci" value="false"/>
+        <property key="use-iar" value="false"/>
+        <property key="use-indirect-calls" value="false"/>
+      </C32>
+      <C32-AR>
+        <property key="additional-options-chop-files" value="false"/>
+      </C32-AR>
+      <C32-AS>
+        <property key="assembler-symbols" value=""/>
+        <property key="enable-symbols" value="false"/>
+        <property key="exclude-floating-point-library" value="true"/>
+        <property key="expand-macros" value="false"/>
+        <property key="extra-include-directories-for-assembler" value=""/>
+        <property key="extra-include-directories-for-preprocessor" value=""/>
+        <property key="false-conditionals" value="false"/>
+        <property key="generate-16-bit-code" value="false"/>
+        <property key="generate-micro-compressed-code" value="false"/>
+        <property key="keep-locals" value="false"/>
+        <property key="list-assembly" value="false"/>
         <property key="list-section-info" value="false"/>
         <property key="list-source" value="false"/>
         <property key="list-symbols" value="false"/>
@@ -163,7 +376,6 @@
         <property key="additional-options-use-response-files" value="false"/>
         <property key="additional-options-write-sla" value="false"/>
         <property key="allocate-dinit" value="false"/>
-        <property key="appendMe" value=""/>
         <property key="code-dinit" value="false"/>
         <property key="ebase-addr" value=""/>
         <property key="enable-check-sections" value="false"/>
@@ -180,9 +392,9 @@
         <property key="fill-flash-options-seq" value=""/>
         <property key="fill-flash-options-what" value="0"/>
         <property key="generate-16-bit-code" value="false"/>
-        <property key="generate-cross-reference-file" value="false"/>
+        <property key="generate-cross-reference-file" value="true"/>
         <property key="generate-micro-compressed-code" value="false"/>
-        <property key="heap-size" value="0"/>
+        <property key="heap-size" value="1000"/>
         <property key="input-libraries" value=""/>
         <property key="kseg-length" value=""/>
         <property key="kseg-origin" value=""/>
@@ -195,13 +407,13 @@
         <property key="oXC16ld-no-smart-io" value="false"/>
         <property key="oXC16ld-stackguard" value="16"/>
         <property key="oXC32ld-extra-opts" value=""/>
-        <property key="optimization-level" value=""/>
+        <property key="optimization-level" value="-O1"/>
         <property key="preprocessor-macros" value=""/>
         <property key="remove-unused-sections" value="true"/>
-        <property key="report-memory-usage" value="false"/>
+        <property key="report-memory-usage" value="true"/>
         <property key="serial-length" value=""/>
         <property key="serial-origin" value=""/>
-        <property key="stack-size" value=""/>
+        <property key="stack-size" value="100"/>
         <property key="symbol-stripping" value=""/>
         <property key="trace-symbols" value=""/>
         <property key="warn-section-align" value="false"/>
@@ -209,7 +421,6 @@
       <C32CPP>
         <property key="additional-warnings" value="false"/>
         <property key="addresss-attribute-use" value="false"/>
-        <property key="appendMe" value=""/>
         <property key="check-new" value="false"/>
         <property key="eh-specs" value="true"/>
         <property key="enable-app-io" value="false"/>
@@ -217,14 +428,14 @@
         <property key="enable-symbols" value="true"/>
         <property key="enable-unroll-loops" value="false"/>
         <property key="exceptions" value="true"/>
-        <property key="exclude-floating-point" value="false"/>
+        <property key="exclude-floating-point" value="true"/>
         <property key="extra-include-directories" value=""/>
         <property key="generate-16-bit-code" value="false"/>
         <property key="generate-micro-compressed-code" value="false"/>
         <property key="isolate-each-function" value="true"/>
         <property key="make-warnings-into-errors" value="false"/>
-        <property key="optimization-level" value="-O1"/>
-        <property key="place-data-into-section" value="false"/>
+        <property key="optimization-level" value="-O2"/>
+        <property key="place-data-into-section" value="true"/>
         <property key="post-instruction-scheduling" value="default"/>
         <property key="pre-instruction-scheduling" value="default"/>
         <property key="preprocessor-macros" value=""/>
diff --git a/nbproject/project.xml b/nbproject/project.xml
index b9034e7..50d0ea8 100644
--- a/nbproject/project.xml
+++ b/nbproject/project.xml
@@ -11,7 +11,11 @@
             <sourceRootList/>
             <confList>
                 <confElem>
-                    <name>default</name>
+                    <name>Debug</name>
+                    <type>2</type>
+                </confElem>
+                <confElem>
+                    <name>Production</name>
                     <type>2</type>
                 </confElem>
             </confList>