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led: Add support for initializing onboard LEDs based on board definition

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1. Add support for initializing onboard LEDs based on board definition.
Maximum LED count has been set to 12.

2. Introduce mraa_led_init_raw API for initializing LEDs based on
function name. This API can be used by platforms which doesn't have mapping
in board definition.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This commit is contained in:
Manivannan Sadhasivam
2018-08-30 15:18:39 +05:30
committed by Manivannan Sadhasivam
parent 6c0ec10ba1
commit 6fcd882d58
5 changed files with 83 additions and 7 deletions
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1
include/arm/96boards.h
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@@ -38,6 +38,7 @@ extern "C" {
#define MRAA_96BOARDS_LS_SPI_COUNT 1
#define MRAA_96BOARDS_LS_UART_COUNT 2
#define MRAA_96BOARDS_LS_PIN_COUNT 40
#define MRAA_96BOARDS_LED_COUNT 6
mraa_board_t* mraa_96boards();

14
include/mraa_internal_types.h
View File

@@ -46,7 +46,7 @@
#define MAX_AIO_COUNT 7
#define MAX_UART_COUNT 6
#define MAX_PWM_COUNT 6
#define MAX_LED_COUNT 12
// general status failures for internal functions
#define MRAA_PLATFORM_NO_INIT -3
@@ -454,6 +454,16 @@ typedef struct {
/*@}*/
} mraa_aio_dev_t;
/**
* Structure representing an LED device.
*/
typedef struct {
/*@{*/
char *name; /**< LED device function name */
unsigned int index; /**< Index as exposed in the platform */
/*@}*/
} mraa_led_dev_t;
/**
* A Structure representing a platform/board.
*/
@@ -490,6 +500,8 @@ typedef struct _board_t {
mraa_adv_func_t* adv_func; /**< Pointer to advanced function disptach table */
struct _board_t* sub_platform; /**< Pointer to sub platform */
mraa_boolean_t chardev_capable; /**< Decide what interface is being used: old sysfs or new char device*/
mraa_led_dev_t led_dev[MAX_LED_COUNT]; /**< Array of LED devices */
unsigned int led_dev_count; /**< Total onboard LED device count */
/*@}*/
} mraa_board_t;