Board support package

Support for common devices (buttons, leds, ...) More...

Collaboration diagram for Board support package:

Files
file	bsp_armebs4.h
	BSP for ARMEBS4.
file	bsp_armebs4_eth.h
	BSP for ARMEBS4 Ethernet.
file	bsp_envirobot_sc.h
	BSP for Envirobot Sensor Control.
file	bsp_stm32f4_discovery.h
	BSP for stm32f4 discovery.
file	bsp_stm32f4_discovery.h
	BSP for stm32f4 discovery.
file	bsp_stm32f4_geval.h
	BSP for stm3240 g-eval board.

Functions
status_e	bsp_init (void)
	Initialize the whole board. More...
void	bsp_led_set (uint32_t nr, uint32_t value)
	Set a led (ON or OFF) More...
uint32_t	bsp_button_get (uint32_t nr)
	Get a button. More...
uint32_t	bsp_button_get_all (void)
	Get all buttons. More...
const struct gpio_t *	bsp_button_gpios (void)
	get buttons gpios More...
status_e	bsp_set_button_irq_handler (void(*handler)(uint32_t is, uint32_t was))
	Set a irq handler for all button changes. More...
void	bsp_led_toggle (uint32_t nr)
	toggle a led More...
void	bsp_fatal (status_e status)
	fatal error More...
void	bsp_reset_reason_init (void)
	Reset reason initialization. More...
uint32_t	bsp_reset_reason_get (void)
	Reset reason get. More...
void	bsp_reset_reason_clear (void)
	Reset reason clear. More...

Detailed Description

Support for common devices (buttons, leds, ...)

Function Documentation

status_e bsp_init

(

void

)

Initialize the whole board.

Returns

NO_ERROR for no problem

Definition at line 525 of file bsp_armebs4.c.

References ARRAY_SIZE, bsp_eth_powerdown(), BSP_PWM_LED_STEPS, gpio_setup(), gpio_setup_list(), NO_ERROR, and ram_test_basic().

Referenced by Reset_Handler().

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void bsp_led_set	(	uint32_t	nr,
		uint32_t	value
	)

Set a led (ON or OFF)

Parameters

nr	the led number
value	0 for OFF, anything else : ON

Definition at line 244 of file bsp_armebs4.c.

References BSP_PWM_LED_STEPS.

uint32_t bsp_button_get

(

uint32_t

nr

)

Get a button.

Parameters

nr	the button number

Returns

value 0 for "not pressed", anything else : "pressed"

Definition at line 340 of file bsp_armebs4.c.

References BSP_BUTTON_NR, and gpio_get().

Referenced by bsp_button_get_all().

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uint32_t bsp_button_get_all

(

void

)

Get all buttons.

Returns

the value of each buttons stored in every bits of the return value

Definition at line 9 of file bsp.c.

References bsp_button_get(), and BSP_BUTTON_NR.

Referenced by bsp_set_button_irq_handler().

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const struct gpio_t* bsp_button_gpios

(

void

)

get buttons gpios

Returns

the pointer on the first element of an array of gpios

Definition at line 350 of file bsp_armebs4.c.

Referenced by bsp_set_button_irq_handler().

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status_e bsp_set_button_irq_handler

(

void(*)(uint32_t is, uint32_t was)

handler

)

Set a irq handler for all button changes.

Parameters

handler

The handler for button changed with those parameters is : the current value, was, the value of the last call

Returns

NO_ERROR for no problem

Definition at line 34 of file bsp.c.

References bsp_button_get_all(), bsp_button_gpios(), BSP_BUTTON_NR, ERROR_BAD_PARAM, GPIO_IRQ_MODE_EDGE_BOTH, gpio_irq_setup(), and NO_ERROR.

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void bsp_led_toggle

(

uint32_t

nr

)

toggle a led

Parameters

nr	the led number

Definition at line 249 of file bsp_armebs4.c.

References BSP_PWM_LED_STEPS, TIM_TypeDef::CCR1, and gpio_t::nr.

void bsp_fatal

(

status_e

status

)

fatal error

Parameters

status

The status of the fatal error

This function will halt the CPU if a debugger is connected.

Definition at line 123 of file bsp.c.

References breakpoint, and debugger_is_connected.

Referenced by _sbrk(), HardFaultHelper(), and Reset_Handler().

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void bsp_reset_reason_init

(

void

)

Reset reason initialization.

Save the reset reason, called from startup code

Definition at line 175 of file bsp.c.

Referenced by Reset_Handler().

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uint32_t bsp_reset_reason_get

(

void

)

Reset reason get.

Returns

the value of RCC->CSR at boot time

This value has been saved by bsp_reset_reason_init from startup code

Definition at line 180 of file bsp.c.

Referenced by Reset_Handler().

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void bsp_reset_reason_clear

(

void

)

Reset reason clear.

Clear the reset reason value from RCC->CSR

Definition at line 185 of file bsp.c.

Referenced by Reset_Handler().

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