Fix regression in handling of spaces in dependent library names

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Support for mock EEPROM (but only if board supports it)
 - Add stubs for `Client.h`, `IPAddress.h`, `Printable.h`, `Server.h`, and `Udp.h`
 - `Wire` now has a mock support for the master role
+- Sample project for `BusIO` to show problem finding header file
 
 ### Changed
 - Move repository from https://github.com/ianfixes/arduino_ci to https://github.com/Arduino-CI/arduino_ci

SampleProjects/BusIO/.arduino-ci.yml

@@ -0,0 +1,12 @@
+unittest:
+  platforms:
+    - mega2560
+  libraries:
+    - "Adafruit BusIO"
+    # - "Adafruit_BusIO"    <= This works if you have the library pre-installed
+
+compile:
+  platforms:
+    - mega2560
+  libraries:
+    - "Adafruit BusIO"

SampleProjects/BusIO/.gitignore

@@ -0,0 +1 @@
+.bundle

SampleProjects/BusIO/Gemfile

@@ -0,0 +1,2 @@
+source 'https://rubygems.org'
+gem 'arduino_ci', path: '../../'

SampleProjects/BusIO/README.md

@@ -0,0 +1,4 @@
+# BusIO
+
+This is an example of a library that depends on Adafruit BusIO.
+It is provided to help reproduce #192.

SampleProjects/BusIO/examples/spi_readwrite/spi_readwrite.ino

@@ -0,0 +1,39 @@
+#include <Adafruit_SPIDevice.h>
+
+#define SPIDEVICE_CS 10
+Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS);
+
+
+void setup() {
+  while (!Serial) { delay(10); }
+  Serial.begin(115200);
+  Serial.println("SPI device read and write test");
+
+  if (!spi_dev.begin()) {
+    Serial.println("Could not initialize SPI device");
+    while (1);
+  }
+
+  uint8_t buffer[32];
+
+  // Try to read 32 bytes
+  spi_dev.read(buffer, 32);
+  Serial.print("Read: ");
+  for (uint8_t i=0; i<32; i++) {
+    Serial.print("0x"); Serial.print(buffer[i], HEX); Serial.print(", ");
+  }
+  Serial.println();
+
+  // read a register by writing first, then reading
+  buffer[0] = 0x8F;  // we'll reuse the same buffer
+  spi_dev.write_then_read(buffer, 1, buffer, 2, false);
+  Serial.print("Write then Read: ");
+  for (uint8_t i=0; i<2; i++) {
+    Serial.print("0x"); Serial.print(buffer[i], HEX); Serial.print(", ");
+  }
+  Serial.println();
+}
+
+void loop() {
+
+}

SampleProjects/BusIO/library.properties

@@ -0,0 +1,10 @@
+name=BusIO
+version=0.1.0
+author=James Foster <[email protected]>
+maintainer=James Foster <[email protected]>
+sentence=Sample BusIO library to validate import of Adafruit BusIO
+paragraph=Sample BusIO library to validate import of Adafruit BusIO
+category=Other
+url=https://github.com/Arduino-CI/arduino_ci/SampleProjects/BusIO
+architectures=avr,esp8266
+includes=BusIO.h

SampleProjects/BusIO/src/BusIO.h

@@ -0,0 +1,9 @@
+#include <Adafruit_SPIDevice.h>
+#include <Arduino.h>
+
+class BusIO {
+public:
+  BusIO() {}
+  ~BusIO() {}
+  int answer() { return 42; }
+};

SampleProjects/BusIO/test/busio.cpp

@@ -0,0 +1,17 @@
+/*
+bundle config --local path vendor/bundle
+bundle install
+bundle exec arduino_ci.rb --skip-examples-compilation
+*/
+
+#include <Arduino.h>
+#include <ArduinoUnitTests.h>
+#include <BusIO.h>
+
+unittest(busio_answer) {
+  // token test
+  BusIO busIO;
+  assertEqual(42, busIO.answer());
+}
+
+unittest_main()

cpp/arduino/Wire.h

@@ -116,7 +116,7 @@ class TwoWire : public ObservableDataStream {
   // https://www.arduino.cc/en/Reference/WireRequestFrom
   // Used by the master to request bytes from a slave device. The bytes may then
   // be retrieved with the available() and read() functions.
-  uint8_t requestFrom(uint8_t address, size_t quantity, bool stop) {
+  uint8_t requestFrom(uint8_t address, uint8_t quantity, uint32_t _iaddress, uint8_t _isize, uint8_t stop) {
     assert(_didBegin);
     assert(address > 0 && address < SLAVE_COUNT);
     assert(quantity <= BUFFER_LENGTH);
@@ -131,11 +131,20 @@ class TwoWire : public ObservableDataStream {
       return 0;
     }
   }
+
+  uint8_t requestFrom(uint8_t address, uint8_t quantity, uint8_t stop) {
+    return requestFrom((uint8_t)address, (uint8_t)quantity, (uint32_t)0, (uint8_t)0, (uint8_t)stop);
+  }
+
+  uint8_t requestFrom(uint8_t address, uint8_t quantity) {
+    return requestFrom((uint8_t)address, (uint8_t)quantity, (uint8_t)true);
+  }
+
   uint8_t requestFrom(int address, int quantity) {
-    return requestFrom((uint8_t)address, (size_t)quantity, true);
+    return requestFrom((uint8_t)address, (uint8_t)quantity, (uint8_t)true);
   }
   uint8_t requestFrom(int address, int quantity, int stop) {
-    return requestFrom((uint8_t)address, (size_t)quantity, (bool)stop);
+    return requestFrom((uint8_t)address, (uint8_t)quantity, (uint8_t)stop);
   }
 
   // https://www.arduino.cc/en/Reference/WireWrite

lib/arduino_ci/cpp_library.rb

@@ -317,7 +317,12 @@ def arduino_library_src_dirs(aux_libraries)
       # Pull in all possible places that headers could live, according to the spec:
       # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5:-Library-specification
 
-      aux_libraries.map { |d| self.class.new(@arduino_lib_dir + d, @arduino_lib_dir, @exclude_dirs).header_dirs }.flatten.uniq
+      aux_libraries.map do |d|
+        # library manager coerces spaces in package names to underscores
+        # see https://github.com/ianfixes/arduino_ci/issues/132#issuecomment-518857059
+        legal_dir = d.tr(" ", "_")
+        self.class.new(@arduino_lib_dir + legal_dir, @arduino_lib_dir, @exclude_dirs).header_dirs
+      end.flatten.uniq
     end
 
     # GCC command line arguments for including aux libraries