nucleo-f302r8: add qenco example configuration

boards/arm/stm32/nucleo-f302r8/Kconfig

@@ -9,4 +9,12 @@ config NUCLEOF302R8_HIGHPRI
 	bool "High priority interrupt test"
 	default n
 
+if SENSORS_QENCODER
+
+config NUCLEO_F302R8_QETIMER
+	int "Timer to use with QE encoder"
+	default 2
+
+endif # SENSORS_QENCODER
+
 endif

boards/arm/stm32/nucleo-f302r8/configs/qenco/defconfig

@@ -0,0 +1,51 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-f302r8"
+CONFIG_ARCH_BOARD_NUCLEO_F302R8=y
+CONFIG_ARCH_BUTTONS=y
+CONFIG_ARCH_CHIP="stm32"
+CONFIG_ARCH_CHIP_STM32=y
+CONFIG_ARCH_CHIP_STM32F302R8=y
+CONFIG_ARCH_INTERRUPTSTACK=1024
+CONFIG_ARCH_IRQPRIO=y
+CONFIG_BOARD_LOOPSPERMSEC=8499
+CONFIG_BOARD_STM32_COMMON=y
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_EXAMPLES_QENCODER=y
+CONFIG_EXAMPLES_QENCODER_HAVE_MAXPOS=y
+CONFIG_EXAMPLES_QENCODER_MAXPOS=8192
+CONFIG_INTELHEX_BINARY=y
+CONFIG_MQ_MAXMSGSIZE=5
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=16386
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_SENSORS=y
+CONFIG_SENSORS_QENCODER=y
+CONFIG_START_DAY=14
+CONFIG_START_MONTH=10
+CONFIG_START_YEAR=2014
+CONFIG_STM32_JTAG_SW_ENABLE=y
+CONFIG_STM32_QENCODER_DISABLE_EXTEND16BTIMERS=y
+CONFIG_STM32_QENCODER_SAMPLE_FDTS_2=y
+CONFIG_STM32_TIM2=y
+CONFIG_STM32_TIM2_QE=y
+CONFIG_STM32_TIM2_QEPSC=0
+CONFIG_STM32_USART2=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USART2_SERIAL_CONSOLE=y
+CONFIG_USER_ENTRYPOINT="nsh_main"

boards/arm/stm32/nucleo-f302r8/include/board.h

@@ -193,6 +193,11 @@
 
 /* Alternate function pin selections ****************************************/
 
+/* TIM2 input ***************************************************************/
+
+#define GPIO_TIM2_CH1IN (GPIO_TIM2_CH1IN_2 | GPIO_PULLUP) /* PA15 */
+#define GPIO_TIM2_CH2IN (GPIO_TIM2_CH2IN_2 | GPIO_PULLUP) /* PB3 */
+
 /* USART */
 
 /* By default the USART2 is connected to STLINK Virtual COM Port:

boards/arm/stm32/nucleo-f302r8/src/stm32_bringup.c

@@ -37,6 +37,10 @@
 #  include <nuttx/input/buttons.h>
 #endif
 
+#ifdef CONFIG_SENSORS_QENCODER
+#  include "board_qencoder.h"
+#endif
+
 #include "nucleo-f302r8.h"
 
 /****************************************************************************
@@ -127,6 +131,19 @@ int stm32_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_SENSORS_QENCODER
+  /* Initialize and register the qencoder driver */
+
+  ret = board_qencoder_initialize(0, CONFIG_NUCLEO_F302R8_QETIMER);
+  if (ret != OK)
+    {
+      syslog(LOG_ERR,
+             "ERROR: Failed to register the qencoder: %d\n",
+             ret);
+      return ret;
+    }
+#endif
+
   UNUSED(ret);
   return OK;
 }