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Add I2C protocol support for PN532.

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This commit is contained in:
Laurent Latil 2013-06-14 19:00:47 +02:00 • committed by Philippe Teuwen
parent 6038aca7d1
commit 1b11450312
9 changed files with 920 additions and 1 deletions
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20
m4/libnfc_drivers.m4
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@ -4,7 +4,7 @@ AC_DEFUN([LIBNFC_ARG_WITH_DRIVERS],
[
AC_MSG_CHECKING(which drivers to build)
AC_ARG_WITH(drivers,
AS_HELP_STRING([--with-drivers=DRIVERS], [Use a custom driver set, where DRIVERS is a comma-separated list of drivers to build support for. Available drivers are: 'acr122_pcsc', 'acr122_usb', 'acr122s', 'arygon', 'pn532_spi', 'pn532_uart' and 'pn53x_usb'. Default drivers set is 'acr122_usb,acr122s,arygon,pn532_spi,pn532_uart,pn53x_usb'. The special driver set 'all' compile all available drivers.]),
AS_HELP_STRING([--with-drivers=DRIVERS], [Use a custom driver set, where DRIVERS is a coma-separated list of drivers to build support for. Available drivers are: 'acr122_pcsc', 'acr122_usb', 'acr122s', 'arygon', 'pn532_spi', 'pn532_uart', 'pn532_i2c' and 'pn53x_usb'. Default drivers set is 'acr122_usb,acr122s,arygon,pn532_spi,pn532_i2c,pn532_uart,pn53x_usb'. The special driver set 'all' compile all available drivers.]),
[ case "${withval}" in
yes | no)
dnl ignore calls without any arguments
@ -30,6 +30,10 @@ AC_DEFUN([LIBNFC_ARG_WITH_DRIVERS],
then
DRIVER_BUILD_LIST="$DRIVER_BUILD_LIST pn532_spi"
fi
if test x"$i2c_available" = x"yes"
then
DRIVER_BUILD_LIST="$DRIVER_BUILD_LIST pn532_i2c"
fi
;;
all)
DRIVER_BUILD_LIST="acr122_pcsc acr122_usb acr122s arygon pn53x_usb pn532_uart"
@ -37,6 +41,10 @@ AC_DEFUN([LIBNFC_ARG_WITH_DRIVERS],
then
DRIVER_BUILD_LIST="$DRIVER_BUILD_LIST pn532_spi"
fi
if test x"$i2c_available" = x"yes"
then
DRIVER_BUILD_LIST="$DRIVER_BUILD_LIST pn532_i2c"
fi
;;
esac
@ -49,6 +57,7 @@ AC_DEFUN([LIBNFC_ARG_WITH_DRIVERS],
driver_arygon_enabled="no"
driver_pn532_uart_enabled="no"
driver_pn532_spi_enabled="no"
driver_pn532_i2c_enabled="no"
for driver in ${DRIVER_BUILD_LIST}
do
@ -88,6 +97,11 @@ AC_DEFUN([LIBNFC_ARG_WITH_DRIVERS],
driver_pn532_spi_enabled="yes"
DRIVERS_CFLAGS="$DRIVERS_CFLAGS -DDRIVER_PN532_SPI_ENABLED"
;;
pn532_i2c)
i2c_required="yes"
driver_pn532_i2c_enabled="yes"
DRIVERS_CFLAGS="$DRIVERS_CFLAGS -DDRIVER_PN532_I2C_ENABLED -DI2C_DRIVERS_ENABLED"
;;
*)
AC_MSG_ERROR([Unknow driver: $driver])
;;
@ -101,6 +115,9 @@ AC_DEFUN([LIBNFC_ARG_WITH_DRIVERS],
AM_CONDITIONAL(DRIVER_ARYGON_ENABLED, [test x"$driver_arygon_enabled" = xyes])
AM_CONDITIONAL(DRIVER_PN532_UART_ENABLED, [test x"$driver_pn532_uart_enabled" = xyes])
AM_CONDITIONAL(DRIVER_PN532_SPI_ENABLED, [test x"$driver_pn532_spi_enabled" = xyes])
AM_CONDITIONAL(DRIVER_PN532_I2C_ENABLED, [test x"$driver_pn532_i2c_enabled" = xyes])
AM_CONDITIONAL(I2C_DRIVERS_ENABLED, [test x"$i2c_required" = xyes])
])
AC_DEFUN([LIBNFC_DRIVERS_SUMMARY],[
@ -113,4 +130,5 @@ echo " arygon........... $driver_arygon_enabled"
echo " pn53x_usb........ $driver_pn53x_usb_enabled"
echo " pn532_uart....... $driver_pn532_uart_enabled"
echo " pn532_spi....... $driver_pn532_spi_enabled"
echo " pn532_i2c........ $driver_pn532_i2c_enabled"
])