Buttons: Change return value of board_buttons() and the type of btn_buttonset_t to uint32_t so that more than 8 buttons can be supported.

configs/avr32dev1/src/avr32_buttons.c

@@ -126,9 +126,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t retval;
+  uint32_t retval;
 
   retval  = at32uc3_gpioread(PINMUX_GPIO_BUTTON1) ? 0 : BUTTON1;
   retval |= at32uc3_gpioread(PINMUX_GPIO_BUTTON2) ? 0 : BUTTON2;

configs/bambino-200e/src/lpc43_buttons.c

@@ -120,9 +120,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/clicker2-stm32/src/stm32_buttons.c

@@ -79,9 +79,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   /* Check that state of each key.  A low value will be sensed when the
    * button is pressed.

configs/cloudctrl/src/stm32_buttons.c

@@ -104,9 +104,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/demo9s12ne64/src/m9s12_buttons.c

@@ -77,7 +77,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return 0;
 }

configs/dk-tm4c129x/src/tm4c_buttons.c

@@ -103,9 +103,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/ea3131/src/lpc31_buttons.c

@@ -49,18 +49,6 @@
 
 #ifdef CONFIG_ARCH_BUTTONS
 
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -77,7 +65,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return 0;
 }

configs/ea3152/src/lpc31_buttons.c

@@ -49,18 +49,6 @@
 
 #ifdef CONFIG_ARCH_BUTTONS
 
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -77,7 +65,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return 0;
 }

configs/ez80f910200zco/src/ez80_buttons.c

@@ -168,7 +168,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return inp(EZ80_PB_DDR) & 7;
 }

configs/fire-stm32v2/src/stm32_buttons.c

@@ -91,9 +91,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   /* Check that state of each key.  A LOW value means that the key is pressed, */
 

configs/freedom-k64f/src/k64_buttons.c

@@ -92,9 +92,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   if (kinetis_gpioread(GPIO_SW2))
     {

configs/freedom-k66f/src/k66_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   if (kinetis_gpioread(GPIO_SW2))
     {

configs/hymini-stm32v/src/stm32_buttons.c

@@ -79,9 +79,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   bool pinValue;
 
   /* Check that state of each key */

configs/kwikstik-k40/src/k40_buttons.c

@@ -74,7 +74,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   /* The KwikStik-K40 board has no standard GPIO contact buttons */
 

configs/launchxl-tms57004/src/tms570_buttons.c

@@ -159,7 +159,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return tms570_gioread(GIO_BUTTON) ? BUTTON_GIOA7_BIT : 0;
 }

configs/lincoln60/src/lpc17_buttons.c

@@ -127,9 +127,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/lpc4330-xplorer/src/lpc43_buttons.c

@@ -126,9 +126,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/lpc4357-evb/src/lpc43_buttons.c

@@ -129,10 +129,10 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
 #if 0 /* Not yet implemented */
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/ne64badge/src/m9s12_buttons.c

@@ -94,9 +94,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret    = 0;
+  uint32_t ret = 0;
 
   if (hcs12_gpioread(NE64BADGE_BUTTON1))
     {

configs/nucleo-144/src/stm32_buttons.c

@@ -77,7 +77,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return stm32_gpioread(GPIO_BTN_USER) ? 1 : 0;
 }

configs/nucleo-f303re/src/stm32_buttons.c

@@ -88,7 +88,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   /* Check the state of the USER button.  A LOW value means that the key is
    * pressed.

configs/nucleo-f4x1re/src/stm32_buttons.c

@@ -78,7 +78,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   /* Check that state of each USER button. A LOW value means that the key is
    * pressed.

configs/nucleo-l476rg/src/stm32_buttons.c

@@ -78,7 +78,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   /* Check that state of each USER button. A LOW value means that the key is
    * pressed.

configs/olimex-efm32g880f128-stk/src/efm32_buttons.c

@@ -125,9 +125,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret;
+  uint32_t ret;
   int i;
 
   /* Check each button */

configs/olimex-lpc1766stk/src/lpc17_buttons.c

@@ -130,9 +130,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/olimex-stm32-e407/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   /* Check that state of each key */
 

configs/olimex-stm32-h405/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   /* Check that state of each key */
 

configs/olimex-stm32-h407/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   /* Check that state of each key */
 

configs/olimex-stm32-p207/src/stm32_buttons.c

@@ -102,9 +102,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   /* Check that state of each key */
 

configs/olimex-stm32-p407/src/stm32_buttons.c

@@ -104,9 +104,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   /* Check that state of each key */
 

configs/olimex-strp711/src/str71_buttons.c

@@ -112,9 +112,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret    = 0;
+  uint32_t ret = 0;
 
   if ((getreg16(STR71X_GPIO0_PD) & STR71X_WAKEUPBUTTON_GPIO0) != 0)
     {

configs/olimexino-stm32/src/stm32_buttons.c

@@ -102,7 +102,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return stm32_gpioread(BUTTON_BOOT0n) ? 0 : BUTTON_BOOT0_MASK;
 }

configs/open1788/src/lpc17_buttons.c

@@ -149,9 +149,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/pcduino-a10/src/a1x_buttons.c

@@ -84,7 +84,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
 # warning Missing logic
 }

configs/photon/src/stm32_buttons.c

@@ -66,7 +66,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   /* Check the state of the only button */
 

configs/pic32mz-starterkit/src/pic32mz_buttons.c

@@ -105,9 +105,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/sam3u-ek/src/sam_buttons.c

@@ -133,9 +133,9 @@ void board_button_initialize(void)
  *
  ************************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t retval;
+  uint32_t retval;
 
   retval  = sam_gpioread(GPIO_BUTTON1) ? 0 : BUTTON1;
   retval |= sam_gpioread(GPIO_BUTTON2) ? 0 : BUTTON2;

configs/sam4e-ek/src/sam_buttons.c

@@ -135,9 +135,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t retval;
+  uint32_t retval;
 
   retval  = sam_gpioread(GPIO_SCROLLUP)  ? 0 : BUTTON_SCROLLUP;
   retval |= sam_gpioread(GPIO_SCROLLDWN) ? 0 : BUTTON_SCROLLDOWN;

configs/sam4l-xplained/src/sam_buttons.c

@@ -53,10 +53,6 @@
 
 #ifdef CONFIG_ARCH_BUTTONS
 
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -88,7 +84,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_gpioread(GPIO_SW0) ? 0 : BUTTON_SW0_BIT;
 }

configs/sam4s-xplained-pro/src/sam_buttons.c

@@ -86,7 +86,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_gpioread(GPIO_SW0) ? 0 : BUTTON_SW0_BIT;
 }

configs/sam4s-xplained/src/sam_buttons.c

@@ -85,7 +85,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_gpioread(GPIO_BP2) ? 0 : BUTTON_BP2_BIT;
 }

configs/sama5d2-xult/src/sam_buttons.c

@@ -96,7 +96,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_pioread(PIO_BTN_USER) ? 0 : BUTTON_USER_BIT;
 }

configs/sama5d3-xplained/src/sam_buttons.c

@@ -100,7 +100,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_pioread(PIO_USER) ? 0 : BUTTON_USER_BIT;
 }

configs/sama5d3x-ek/src/sam_buttons.c

@@ -100,7 +100,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_pioread(PIO_USER1) ? 0 : BUTTON_USER1_BIT;
 }

configs/sama5d4-ek/src/sam_buttons.c

@@ -96,7 +96,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_pioread(PIO_BTN_USER) ? 0 : BUTTON_USER_BIT;
 }

configs/samd20-xplained/src/sam_buttons.c

@@ -85,7 +85,7 @@ void board_button_initialize(void)
  *
  ************************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_portread(PORT_SW0) ? 0 : BUTTON_SW0_BIT;
 }

configs/samd21-xplained/src/sam_buttons.c

@@ -85,7 +85,7 @@ void board_button_initialize(void)
  *
  ************************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_portread(PORT_SW0) ? 0 : BUTTON_SW0_BIT;
 }

configs/same70-xplained/src/sam_buttons.c

@@ -147,7 +147,7 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_gpioread(GPIO_SW0) ? 0 : BUTTON_SW0_BIT;
 }

configs/saml21-xplained/src/sam_buttons.c

@@ -85,7 +85,7 @@ void board_button_initialize(void)
  *
  ************************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return sam_portread(PORT_SW0) ? 0 : BUTTON_SW0_BIT;
 }

configs/samv71-xult/src/sam_buttons.c

@@ -163,9 +163,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t retval;
+  uint32_t retval;
 
   retval  = sam_gpioread(GPIO_SW0) ? 0 : BUTTON_SW0_BIT;
   retval |= sam_gpioread(GPIO_SW1) ? 0 : BUTTON_SW1_BIT;

configs/shenzhou/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/skp16c26/src/m16c_buttons.c

@@ -89,9 +89,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t swset  = 0;
+  uint32_t swset  = 0;
   uint8_t regval = getreg8(M16C_P8);
 
   if (SW_PRESSED(regval, SW1_BIT))

configs/spark/src/stm32_buttons.c

@@ -80,7 +80,7 @@ void board_button_initialize(void)
  * N.B The return state in true logic, the button polarity is dealt here in
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return stm32_gpioread(GPIO_BTN)==0 ? BUTTON_USER_BIT : 0;
 }

configs/stm3210e-eval/src/stm32_buttons.c

@@ -108,9 +108,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm3220g-eval/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm3240g-eval/src/stm32_buttons.c

@@ -104,9 +104,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm32butterfly2/src/stm32_buttons.c

@@ -92,9 +92,9 @@ void board_button_initialize(void)
  *      Reads keys
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t rv = 0;
+  uint32_t rv = 0;
   int i;
 
   for (i = 0; i != NUM_BUTTONS; ++i)

configs/stm32f103-minimum/src/stm32_buttons.c

@@ -104,9 +104,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm32f3discovery/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm32f429i-disco/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm32f4discovery/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm32f746g-disco/src/stm32_buttons.c

@@ -77,7 +77,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
   return stm32_gpioread(GPIO_BTN_USER) ? 1 : 0;
 }

configs/stm32l476-mdk/src/stm32_buttons.c

@@ -103,9 +103,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm32l476vg-disco/src/stm32_buttons.c

@@ -261,9 +261,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm32ldiscovery/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/stm32vldiscovery/src/stm32_buttons.c

@@ -75,9 +75,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   ret = (stm32_gpioread(g_buttons[i]) == false ? 1 : 0);
 

configs/sure-pic32mx/src/pic32mx_buttons.c

@@ -157,9 +157,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int id;
 
   /* Configure input pins */

configs/tm4c123g-launchpad/src/tm4c_buttons.c

@@ -118,9 +118,9 @@ void board_button_initialize(void)
  *
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   /* Check that state of each key.  A LOW value means that the key is
    * pressed.

configs/tm4c1294-launchpad/src/tm4c_buttons.c

@@ -102,9 +102,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/twr-k60n512/src/k60_buttons.c

@@ -94,9 +94,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
 
   if (kinetis_gpioread(GPIO_SW1))
     {

configs/ubw32/src/pic32_buttons.c

@@ -132,9 +132,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int id;
 
   /* Configure input pins */

configs/viewtool-stm32f107/src/stm32_buttons.c

@@ -96,9 +96,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   int i;
 
   /* Check that state of each key */

configs/xmc4500-relax/src/xmc4_buttons.c

@@ -59,7 +59,7 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
 #warning Missing logic
   return 0;

configs/zkit-arm-1769/src/lpc17_buttons.c

@@ -109,9 +109,9 @@ void board_button_initialize(void)
  * Name: board_buttons
  ****************************************************************************/
 
-uint8_t board_buttons(void)
+uint32_t board_buttons(void)
 {
-  uint8_t ret = 0;
+  uint32_t ret = 0;
   bool released;
   int i;
 

include/nuttx/board.h

@@ -593,7 +593,7 @@ void board_button_initialize(void);
  ****************************************************************************/
 
 #ifdef CONFIG_ARCH_BUTTONS
-uint8_t board_buttons(void);
+uint32_t board_buttons(void);
 #endif
 
 /****************************************************************************

include/nuttx/input/buttons.h

@@ -96,7 +96,7 @@
  * from the button driver.
  */
 
-typedef uint8_t btn_buttonset_t;
+typedef uint32_t btn_buttonset_t;
 
 /* A reference to this structure is provided with the BTNIOC_POLLEVENTS IOCTL
  * command and describes the conditions under which the client would like

net/sixlowpan/sixlowpan_internal.h

@@ -92,7 +92,7 @@
 #define PACKETBUF_ATTR_PACKET_TYPE_STREAM_END 3
 #define PACKETBUF_ATTR_PACKET_TYPE_TIMESTAMP  4
 
-/* Packet buffer attributes (indices into i_pktattr) */
+/* Packet buffer attributes (indices into g_pktattrs) */
 
 #define PACKETBUF_ATTR_NONE                   0
 
@@ -130,7 +130,7 @@
 
 #define PACKETBUF_NUM_ATTRS                   24
 
-/* Addresses (indices into i_pktaddr) */
+/* Addresses (indices into g_pktaddrs) */
 
 #define PACKETBUF_ADDR_SENDER                 0
 #define PACKETBUF_ADDR_RECEIVER               1