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samples: gpio: extends to support gpio_atmel_sam3 driver

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This adds code to the gpio sample apps to run on Arduino due,
using the gpio_atmel_sam3 driver.

Change-Id: Ida16ceeabf55eb7efedc94c56ff875d8fad6456d
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2016-01-29 13:51:58 -08:00 • committed by Anas Nashif
commit ed98af00e0
3 changed files with 46 additions and 9 deletions
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4
samples/nanokernel/apps/gpio/Makefile
View file

@ -1,8 +1,12 @@
ifeq ($(ARCH),arc)
BOARD ?= arduino_101_sss
else
ifeq ($(ARCH),arm)
BOARD ?= arduino_due
else
BOARD ?= arduino_101
endif
endif
KERNEL_TYPE ?= nano
CONF_FILE = prj_$(ARCH).conf

6
samples/nanokernel/apps/gpio/prj_arm.conf Normal file
View file

@ -0,0 +1,6 @@
CONFIG_STDOUT_CONSOLE=y
CONFIG_PRINTK=y
CONFIG_NANO_TIMERS=y
CONFIG_NANO_TIMEOUTS=y
CONFIG_GPIO=y
CONFIG_GPIO_ATMEL_SAM3=y

45
samples/nanokernel/apps/gpio/src/main.c
View file

@ -15,15 +15,15 @@
*/
/**
* @file Sample app to utilize GPIO on Arduino 101.
* @file Sample app to utilize GPIO on Arduino 101 and Arduino Due.
*
* x86
* Arduino 101 - x86
* --------------------
*
* On x86 side of Arduino 101:
* 1. GPIO_16 is on IO8
* 2. GPIO_19 is on IO4
*
* The gpio_dw driver is being used.
*
* This sample app toggles GPIO_16/IO8. It also waits for
@ -38,8 +38,8 @@
* GPIO_19 triggered
* "
*
* Sensor Subsystem
* --------------------
* Arduino 101 - Sensor Subsystem
* ------------------------------
*
* On Sensor Subsystem of Arduino 101:
* 1. GPIO_SS[ 2] is on A00
@ -69,6 +69,27 @@
* Toggling GPIO_SS_2
* GPIO_SS_3 triggered
* "
*
* Arduino Due
* -----------
*
* On Arduino Due:
* 1. IO_2 is PB25
* 2. IO_13 is PB27 (linked to the LED marked "L")
*
* The gpio_atmel_sam3 driver is being used.
*
* This sample app toggles IO_2. It also waits for
* IO_13 to go high and display a message.
*
* If IO_2 and IO_13 are connected together, the GPIO should
* triggers every 2 seconds. And you should see this repeatedly
* on console:
* "
* Toggling GPIO_25
* Toggling GPIO_25
* GPIO_27 triggered
* "
*/
#include <zephyr.h>
@ -87,20 +108,26 @@
#define SLEEPTICKS SECONDS(1)
#ifdef CONFIG_SOC_QUARK_SE_SS
#if defined(CONFIG_SOC_QUARK_SE_SS)
#define GPIO_OUT_PIN 2
#define GPIO_INT_PIN 3
#define GPIO_NAME "GPIO_SS_"
#else
#elif defined(CONFIG_SOC_QUARK_SE)
#define GPIO_OUT_PIN 16
#define GPIO_INT_PIN 19
#define GPIO_NAME "GPIO_"
#elif defined(CONFIG_SOC_ATMEL_SAM3)
#define GPIO_OUT_PIN 25
#define GPIO_INT_PIN 27
#define GPIO_NAME "GPIO_"
#endif
#ifdef CONFIG_GPIO_DW_0
#if defined(CONFIG_GPIO_DW_0)
#define GPIO_DRV_NAME CONFIG_GPIO_DW_0_NAME
#elif CONFIG_GPIO_QMSI_0
#elif defined(CONFIG_GPIO_QMSI_0)
#define GPIO_DRV_NAME CONFIG_GPIO_QMSI_0_NAME
#elif defined(CONFIG_GPIO_ATMEL_SAM3)
#define GPIO_DRV_NAME CONFIG_GPIO_ATMEL_SAM3_PORTB_DEV_NAME
#else
#error "Unsupported GPIO driver"
#endif