utility: Implement gpioSetValue function
Change-Id: I0336bfa4b9029c9dfc0d7038f881e4ac97bd71d6
Signed-off-by: Anthony Wilson <wilsonan@us.ibm.com>
diff --git a/Makefile.am b/Makefile.am
index bf17ba0..e87486d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,9 @@
chassiskill.cpp
chassiskill_CXXFLAGS = \
- $(PHOSPHOR_LOGGING_CFLAGS)
+ $(PHOSPHOR_LOGGING_CFLAGS) \
+ $(GPIOPLUS_FLAGS)
chassiskill_LDFLAGS = \
- $(PHOSPHOR_LOGGING_LIBS)
+ $(PHOSPHOR_LOGGING_LIBS) \
+ $(GPIOPLUS_LIBS)
diff --git a/configure.ac b/configure.ac
index d11bf6c..0ae6166 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,6 +13,8 @@
# Check for libraries
PKG_CHECK_MODULES([PHOSPHOR_LOGGING], [phosphor-logging],,\
AC_MSG_ERROR(["Requires phosphor-logging package."]))
+PKG_CHECK_MODULES([GPIOPLUS], [gpioplus],,\
+ [AC_MSG_ERROR([Could not find gpioplus...openbmc/gpioplus package required])])
# Checks for typedefs, structures, and compiler characteristics.
AX_CXX_COMPILE_STDCXX_17([noext])
diff --git a/utility.hpp b/utility.hpp
index 4990a1c..7e2eaff 100644
--- a/utility.hpp
+++ b/utility.hpp
@@ -1,5 +1,10 @@
#pragma once
+#include <gpioplus/chip.hpp>
+#include <gpioplus/handle.hpp>
+#include <gpioplus/utility/aspeed.hpp>
+#include <phosphor-logging/log.hpp>
+#include <exception>
#include <string>
namespace utility
@@ -15,7 +20,40 @@
*/
bool gpioSetValue(const std::string& gpioName, bool activeLow, bool asserted)
{
- /* TODO */
+ uint32_t gpioOffset;
+ try
+ {
+ gpioOffset = gpioplus::utility::aspeed::nameToOffset(gpioName);
+ }
+ catch(const std::logic_error& e)
+ {
+ phosphor::logging::log<phosphor::logging::level::ERR>(
+ "Error in gpioplus - nameToOffset",
+ phosphor::logging::entry("ERROR=%s", e.what()));
+ return false;
+ }
+
+ try
+ {
+ //TODO: openbmc/phosphor-power-control#1 - Handle cases where gpiochip
+ // could be non-zero.
+ gpioplus::Chip chip(0);
+ gpioplus::HandleFlags flags(chip.getLineInfo(gpioOffset).flags);
+ flags.output = true;
+ gpioplus::Handle handle(chip, {{gpioOffset, 0}}, flags,
+ "chassiskill");
+
+ bool value = (asserted ^ activeLow);
+ handle.setValues({value});
+ }
+ catch (const std::exception& e)
+ {
+ phosphor::logging::log<phosphor::logging::level::ERR>(
+ "Error in gpioplus",
+ phosphor::logging::entry("ERROR=%s", e.what()));
+ return false;
+ }
+
return true;
}