Freedom-KL25Z: Add board specific code to interface with ADXL345 driver. From Alan Carvalho de Assis

5 files changed, 30 insertions, 2 deletions

diff --git a/nuttx/configs/freedom-kl25z/include/board.h b/nuttx/configs/freedom-kl25z/include/board.h
index 61ee317b8..1c9b33e1a 100644
--- a/nuttx/configs/freedom-kl25z/include/board.h
+++ b/nuttx/configs/freedom-kl25z/include/board.h
@@ -211,10 +211,16 @@
 #define PIN_SPI1_MOSI  (PIN_SPI0_MOSI_7 | PIN_ALT2_PULLUP)
 
 /* These pins are used by CC3000 module */
+
 #define GPIO_WIFI_EN (GPIO_OUTPUT | GPIO_OUTPUT_ZER0 | PIN_PORTC | PIN12)
 #define GPIO_WIFI_IRQ (GPIO_INPUT | PIN_PORTA | PIN16)
 #define GPIO_WIFI_CS (GPIO_OUTPUT | GPIO_OUTPUT_ONE | PIN_PORTE | PIN1)
 
+/* Interrupt pin used by ADXL345 */
+
+#define GPIO_ADXL345_INT1 (GPIO_INPUT | PIN_PORTA | PIN_INT_RISING | PIN4)
+#define GPIO_ADXL345_CS   (GPIO_OUTPUT | GPIO_OUTPUT_ONE | PIN_PORTD | PIN0)
+
 /************************************************************************************
  * Public Data
  ************************************************************************************/
diff --git a/nuttx/configs/freedom-kl25z/src/Makefile b/nuttx/configs/freedom-kl25z/src/Makefile
index 6592a86e7..f9fffab87 100644
--- a/nuttx/configs/freedom-kl25z/src/Makefile
+++ b/nuttx/configs/freedom-kl25z/src/Makefile
@@ -71,7 +71,7 @@ CSRCS += kl_usb.c
 endif
 
 ifeq ($(CONFIG_PWM),y)
-CSRCS += up_pwm.c
+CSRCS += kl_pwm.c
 endif
 
 ifeq ($(CONFIG_QENCODER),y)
@@ -86,6 +86,10 @@ ifeq ($(CONFIG_NSH_LIBRARY),y)
 CSRCS += kl_nsh.c
 endif
 
+ifeq ($(CONFIG_INPUT_ADXL345),y)
+CSRCS += kl_adxl345.c
+endif
+
 COBJS = $(CSRCS:.c=$(OBJEXT))
 
 SRCS = $(ASRCS) $(CSRCS)
diff --git a/nuttx/configs/freedom-kl25z/src/kl_nsh.c b/nuttx/configs/freedom-kl25z/src/kl_nsh.c
index c5476f55c..f17f52307 100644
--- a/nuttx/configs/freedom-kl25z/src/kl_nsh.c
+++ b/nuttx/configs/freedom-kl25z/src/kl_nsh.c
@@ -70,6 +70,15 @@
 
 int nsh_archinitialize(void)
 {
+#if defined(CONFIG_INPUT_ADXL345)
+  int ret;
+
+  ret = adxl345_archinitialize(0);
+  if (ret < 0)
+    {
+      dbg("ERROR: adxl345_archinitialize failed: %d\n", ret);
+    }
+#endif
   return OK;
 }
 
diff --git a/nuttx/configs/freedom-kl25z/src/up_pwm.c b/nuttx/configs/freedom-kl25z/src/kl_pwm.c
index ffe908901..1fbb07c32 100644
--- a/nuttx/configs/freedom-kl25z/src/up_pwm.c
+++ b/nuttx/configs/freedom-kl25z/src/kl_pwm.c
@@ -1,5 +1,5 @@
 /************************************************************************************
- * configs/freedom-kl25z/src/up_pwm.c
+ * configs/freedom-kl25z/src/kl_pwm.c
  *
  *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
diff --git a/nuttx/configs/freedom-kl25z/src/kl_spi.c b/nuttx/configs/freedom-kl25z/src/kl_spi.c
index 9d7a194a5..35d598988 100644
--- a/nuttx/configs/freedom-kl25z/src/kl_spi.c
+++ b/nuttx/configs/freedom-kl25z/src/kl_spi.c
@@ -94,6 +94,7 @@ void weak_function kl_spiinitialize(void)
   /* Configure SPI0 chip selects */
 
 #ifdef CONFIG_KL_SPI0
+  kl_configgpio(GPIO_ADXL345_CS);
 #endif
 
   /* Configure SPI1 chip selects */
@@ -161,6 +162,14 @@ void kl_spi0select(FAR struct spi_dev_s *dev, enum spi_dev_e devid,
 {
   spivdbg("devid: %d CS: %s\n",
            (int)devid, selected ? "assert" : "de-assert");
+
+  if (devid == SPIDEV_GSENSOR)
+    {
+      /* Active low */
+
+      kl_gpiowrite(GPIO_ADXL345_CS, !selected);
+    }
+
 }
 #endif