hal_aci_tl.cpp File Reference

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Functions
void	hal_aci_tl_debug_print (bool enable)
	Enable debug printing of all ACI commands sent and ACI events received. More...
void	hal_aci_tl_pin_reset (void)
	Pin reset the nRF8001. More...
bool	hal_aci_tl_event_peek (hal_aci_data_t *p_aci_data)
	Peek an ACI event from the event queue. More...
bool	hal_aci_tl_event_get (hal_aci_data_t *p_aci_data)
	Get an ACI event from the event queue. More...
void	hal_aci_tl_init (aci_pins_t *a_pins, bool debug)
	ACI Transport Layer initialization. More...
bool	hal_aci_tl_send (hal_aci_data_t *p_aci_cmd)
	Sends an ACI command to the radio. More...
bool	hal_aci_tl_rx_q_empty (void)
	Return empty status of receive queue.
bool	hal_aci_tl_rx_q_full (void)
	Return full status of transmit queue.
bool	hal_aci_tl_tx_q_empty (void)
	Return empty status of transmit queue.
bool	hal_aci_tl_tx_q_full (void)
	Return full status of receive queue.
void	hal_aci_tl_q_flush (void)
	Flush the ACI command Queue and the ACI Event Queue. More...

Macros
#define	HIGH   1
#define	LOW   0
#define	REVERSE_BITS(byte)   (((reverse_lookup[(byte & 0x0F)]) << 4) + reverse_lookup[((byte & 0xF0) >> 4)])

Function Documentation

void hal_aci_tl_debug_print

(

bool

enable

)

when the enable parameter is true. The debug printing is enabled on the Serial. When the enable parameter is false. The debug printing is disabled on the Serial. By default the debug printing is disabled.

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void hal_aci_tl_pin_reset

(

void

)

The reset line of the nF8001 needs to kept low for 200 ns. Redbearlab shield v1.1 and v2012.07 are exceptions as they have a Power ON Reset circuit that works differently. The function handles the exceptions based on the board_name in aci_pins_t

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bool hal_aci_tl_event_peek

(

hal_aci_data_t *

p_aci_data

)

Call this function from the main context to peek an event from the ACI event queue. This is called by lib_aci_event_peek

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bool hal_aci_tl_event_get

(

hal_aci_data_t *

p_aci_data

)

Call this function from the main context to get an event from the ACI event queue This is called by lib_aci_event_get

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void hal_aci_tl_init	(	aci_pins_t *	a_pins,
		bool	debug
	)

This function initializes the transport layer, including configuring the SPI, creating message queues for Commands and Events and setting up interrupt if required.

Parameters

a_pins	Pins on the MCU used to connect to the nRF8001
bool	True if debug printing should be enabled on the Serial.

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bool hal_aci_tl_send

(

hal_aci_data_t *

aci_buffer

)

This function sends an ACI command to the radio. This queue up the message to send and lower the request line. When the device lowers the ready line, m_aci_spi_transfer() will send the data.

Parameters

aci_buffer

Pointer to the message to send.

Returns

True if the data was successfully queued for sending, false if there is no more space to store messages to send.

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void hal_aci_tl_q_flush

(

void

)

Call this function in the main thread

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