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dac31a0347
These changes add the ability to intialize a speaker instance to use a PWM pin instead of a standard GPIO pin in order to emit sounds. The current GPIO functionality is fairly constrained by the implementation -- it only permits playing cerain hardcoded "notes". The PWM support allows one to emit specific frequencies (currently between 50-32Khz) using a PWM pin. Of course, you may still be constrained by the limits of your PWM hardware in the end. There are a few new functions provided to support this PWM mode. To use the PWM mode of speaker, use the speaker_init_pwm() initialization routine instead of speaker_init() (for C). For C++ and the SWIG languages, pass "true" as the second argument to the constructor to enable PWM mode. The default is "false", to match current default behavior (GPIO). Functions that are not related to a given mode (GPIO vs. PWM) will do nothing if not usable in that mode. Signed-off-by: Jon Trulson <jtrulson@ics.com>
163 lines
5.0 KiB
CMake
163 lines
5.0 KiB
CMake
# Extract module name from non-standard example name
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macro(get_module_name example_name module_name)
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string(LENGTH ${example_name} length)
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string(FIND ${example_name} "-" index)
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if (${index} GREATER 1)
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string(SUBSTRING ${example_name} 0 ${index} substr)
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set(${module_name} ${substr})
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elseif (${example_name} MATCHES "^grove")
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set (${module_name} "grove")
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elseif ((${example_name} MATCHES "^mq" AND ${length} EQUAL 3) OR ${example_name} STREQUAL "tp401")
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set (${module_name} "gas")
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else()
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set(${module_name} ${example_name})
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endif()
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endmacro()
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# Set source file, include and linker settings for an example
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# If example cannot be built, example_bin is cleared
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macro(add_custom_example example_bin example_src example_module_list)
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set(found_all_modules TRUE)
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foreach (module ${example_module_list})
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if (NOT EXISTS "${PROJECT_SOURCE_DIR}/src/${module}")
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set(found_all_modules FALSE)
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endif()
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if (MODULE_LIST)
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list(FIND MODULE_LIST ${module} index)
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if (${index} EQUAL -1)
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set(found_all_modules FALSE)
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endif()
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endif()
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endforeach()
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if (found_all_modules)
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add_executable (${example_bin} ${example_src})
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target_link_libraries (${example_bin} ${CMAKE_THREAD_LIBS_INIT})
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foreach (module ${example_module_list})
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set(module_dir "${PROJECT_SOURCE_DIR}/src/${module}")
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include_directories (${module_dir})
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if (${module} STREQUAL "lcd")
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set(module "i2clcd")
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endif()
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target_link_libraries (${example_bin} ${module}-c)
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endforeach()
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else()
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message (WARNING "Ignored ${example_bin}")
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set (example_bin "")
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endif()
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endmacro()
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# Add specified example by name
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# Note special case for grove based examples
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macro(add_example example_name)
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set(example_src "${example_name}.c")
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set(example_bin "${example_name}-example-c")
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get_module_name(${example_name} module_name)
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set(module_dir "${PROJECT_SOURCE_DIR}/src/${module_name}")
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if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${example_src}"
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AND EXISTS ${module_dir}
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AND IS_DIRECTORY ${module_dir})
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add_custom_example(${example_bin} ${example_src} ${module_name})
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if ((NOT ${example_bin} STREQUAL "") AND (${module_name} STREQUAL "grove"))
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set(grove_module_path "${PROJECT_SOURCE_DIR}/src/${example_name}")
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if (EXISTS ${grove_module_path})
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include_directories(${grove_module_path})
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target_link_libraries (${example_bin} ${example_name})
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endif()
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endif()
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else()
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message (WARNING "Ignored ${example_bin}")
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endif()
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endmacro()
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/examples)
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# UPM c include directories
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include_directories (${PROJECT_SOURCE_DIR}/include
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${CMAKE_SOURCE_DIR}/src/utilities)
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# Set the mraa include and link directories prior to adding examples
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include_directories (${MRAA_INCLUDE_DIRS})
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link_directories (${MRAA_LIBDIR})
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# If your sample source file matches the name of the module it tests, add it here
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# Exceptions are as follows:
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# string after first '-' is ignored (e.g. nrf24l01-transmitter maps to nrf24l01)
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# mq? will use module gas
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# grove* will use module grove
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add_example (dfrph)
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add_example (nmea_gps)
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add_example (mma7361)
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add_example (bh1750)
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add_example (urm37)
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add_example (urm37-uart)
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add_example (hka5)
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add_example (dfrorp)
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add_example (vdiv)
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add_example (mqx)
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add_example (o2)
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add_example (emg)
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add_example (gsr)
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add_example (light)
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add_example (ldt0028)
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add_example (joystick12)
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add_example (flex)
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add_example (slide)
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add_example (mq303a)
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add_example (m24lr64e)
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add_example (mpr121)
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add_example (servo)
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add_example (a110x)
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add_example (gp2y0a)
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add_example (ttp223)
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add_example (loudness)
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add_example (tsl2561)
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add_example (collision)
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add_example (moisture)
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add_example (led)
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add_example (ds18b20)
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add_example (dfrec)
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add_example (sht1x)
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add_example (water)
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add_example (yg1006)
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add_example (biss0001)
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add_example (bmi160)
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add_example (jhd1313m1)
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add_example (lm35)
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add_example (rotaryencoder)
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add_example (rpr220)
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add_example (md)
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add_example (linefinder)
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add_example (uln200xa)
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add_example (mma7660)
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add_example (buzzer)
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add_example (ppd42ns)
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add_example (guvas12d)
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add_example (otp538u)
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add_example (button)
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add_example (my9221)
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add_example (ms5803)
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add_example (ims)
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add_example (ecezo)
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add_example (mb704x)
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add_example (mcp2515)
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add_example (max30100)
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add_example (speaker)
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add_example (cjq4435)
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add_example (hmc5883l)
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add_example (wfs)
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add_example (enc03r)
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add_example (nunchuck)
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# Custom examples
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add_custom_example (nmea_gps_i2c-example-c nmea_gps_i2c.c nmea_gps)
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add_custom_example (lcm1602-i2c-example-c lcm1602-i2c.c lcm1602)
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add_custom_example (lcm1602-parallel-example-c lcm1602-parallel.c lcm1602)
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add_custom_example (rpr220-intr-example-c rpr220-intr.c rpr220)
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add_custom_example (md-stepper-example-c md-stepper.c md)
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add_custom_example (button_intr-example-c button_intr.c button)
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add_custom_example (mcp2515-txrx-example-c mcp2515-txrx.c mcp2515)
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add_custom_example (le910-example-c le910.c uartat)
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add_custom_example (speaker_pwm-example-c speaker_pwm.c speaker)
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