SPI

SPI communication. More...

Files
file	spi.c
	SPI implementation.
file	spi.h
	SPI interface.

Macros
#define	SPI_BUFSIZE   128
	Size of the SPI buffer.

Functions
void	spi_init ()
	SPI initialization. More...
UInt16	spi_proccess ()
	SPI proccess. More...
UInt8	spi_reqBegin (UInt8 len, UInt8 cmd0, UInt8 cmd1)
	Request begin. More...
UInt8	spi_reqData (UInt8 len, void *pBuf)
	Request data. More...
void	spi_reqEnd (UInt8 forwardToSerial)
	Request end. More...
UInt8	spi_busy ()
	SPI busy. More...
void	SPI_SRDYISR ()
	ISR SRDY. More...
void	SPI_USCIB0RX_ISR ()
	USCIB0 RX. More...

Variables
char	spi_buf [SPI_BUFSIZE]
	SPI buffer, used to send and receive data.

Detailed Description

SPI communication.

Function Documentation

UInt8 spi_busy

(

)

SPI busy.

This function checks if SPI is idle or busy on another state.

Returns

1 if busy, 0 if idle

Definition at line 444 of file spi.c.

References spi_currentState.

void spi_init

(

)

SPI initialization.

This function initializes the SPI variables.

Definition at line 287 of file spi.c.

References spi_bytesLeft, spi_currentFreeBytes, spi_currentState, SPI_MRDYBIT, spi_receiveOverFlow, SPI_SETMRDY, SPI_SETSRDYDETECTDOWN, SPI_SRDYBIT, and SPI_SSBIT.

Referenced by ccai_proccess(), main(), and uart_proccessCmd().

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UInt16 spi_proccess

(

)

SPI proccess.

This function processes the tasks of the spi.

Returns

Time to run again (ms); 0 means 65536ms

Definition at line 325 of file spi.c.

References ccai_resetFull(), and spi_currentState.

Referenced by main().

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UInt8 spi_reqBegin	(	UInt8	len,
		UInt8	cmd0,
		UInt8	cmd1
	)

Request begin.

This function starts data feed to a synchronous request to the SPI.

Parameters

[in]	len	Size of the data field of the packet
[in]	cmd0	First byte of the command
[in]	cmd1	Second byte of the command

Returns

1 if success, 0 if fail

Definition at line 352 of file spi.c.

References im_disable_interrupt(), im_enable_interrupt(), spi_buf, SPI_BUFSIZE, spi_currentFreeBytes, spi_currentState, SPI_FRAMEHDRSIZE, spi_pBuf, and SPI_SETSRDYDETECTDOWN.

Referenced by ccai_a_sys_reset_req(), ccai_a_sys_test_rf(), ccai_s_sys_adc_read(), ccai_s_sys_gpio(), ccai_s_sys_osal_nv_read(), ccai_s_sys_osal_nv_write(), ccai_s_sys_osal_start_timer(), ccai_s_sys_osal_stop_timer(), ccai_s_sys_random(), ccai_s_sys_test_loopback(), ccai_s_sys_version(), ccai_s_zb_allow_bind(), ccai_s_zb_app_register_request(), ccai_s_zb_bind_device(), ccai_s_zb_find_device_request(), ccai_s_zb_get_device_info(), ccai_s_zb_permit_joining_request(), ccai_s_zb_read_configuration(), ccai_s_zb_send_data_request(), ccai_s_zb_send_data_request_begin(), ccai_s_zb_start_request(), and ccai_s_zb_write_configuration().

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UInt8 spi_reqData	(	UInt8	len,
		void *	pBuf
	)

Request data.

This function writes data to the SPI buffer.

Parameters

[in]	len	Size of the data to write
[in]	pBuf	Pointer to the data buffer to copy on the SPI buffer.

Returns

1 if success, 0 if fail

Definition at line 382 of file spi.c.

References spi_currentFreeBytes, and spi_pBuf.

Referenced by ccai_a_sys_reset_req(), ccai_a_sys_test_rf(), ccai_s_sys_adc_read(), ccai_s_sys_gpio(), ccai_s_sys_osal_nv_read(), ccai_s_sys_osal_nv_write(), ccai_s_sys_osal_start_timer(), ccai_s_sys_osal_stop_timer(), ccai_s_sys_test_loopback(), ccai_s_zb_allow_bind(), ccai_s_zb_app_register_request(), ccai_s_zb_bind_device(), ccai_s_zb_find_device_request(), ccai_s_zb_get_device_info(), ccai_s_zb_permit_joining_request(), ccai_s_zb_read_configuration(), ccai_s_zb_send_data_request(), ccai_s_zb_send_data_request_begin(), ccai_s_zb_send_data_request_payload(), and ccai_s_zb_write_configuration().

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void spi_reqEnd

(

UInt8

forwardToSerial

)

Request end.

This function terminate receiving data to a request to the SPI and sends the request.

Parameters

[in]

forwardToSerial

1 to forward the packet to serial port, 0 to not

Definition at line 411 of file spi.c.

References im_enable_interrupt(), spi_buf, SPI_BUFSIZE, spi_bytesLeft, SPI_CLRMRDY, spi_currentState, SPI_FRAMEHDRSIZE, spi_pBuf, and uart_forwardCmd().

Referenced by ccai_a_sys_reset_req(), ccai_a_sys_test_rf(), ccai_s_sys_adc_read(), ccai_s_sys_gpio(), ccai_s_sys_osal_nv_read(), ccai_s_sys_osal_nv_write(), ccai_s_sys_osal_start_timer(), ccai_s_sys_osal_stop_timer(), ccai_s_sys_random(), ccai_s_sys_test_loopback(), ccai_s_sys_version(), ccai_s_zb_allow_bind(), ccai_s_zb_app_register_request(), ccai_s_zb_bind_device(), ccai_s_zb_find_device_request(), ccai_s_zb_get_device_info(), ccai_s_zb_permit_joining_request(), ccai_s_zb_read_configuration(), ccai_s_zb_send_data_request(), ccai_s_zb_send_data_request_end(), ccai_s_zb_start_request(), and ccai_s_zb_write_configuration().

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void SPI_SRDYISR

(

)

ISR SRDY.

Interrupt service request for SRDY line.

Definition at line 569 of file spi.c.

References SPI_CLRMRDY, spi_currentState, SPI_SETMRDY, spi_setPollCmd(), SPI_SETSRDYDETECTDOWN, SPI_SETSRDYDETECTUP, spi_snd(), and SPI_SRDYBIT.

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void SPI_USCIB0RX_ISR

(

)

USCIB0 RX.

Interrupt service request for USCIB0 RX.

Definition at line 625 of file spi.c.

References spi_currentState, spi_pBuf, and spi_snd().

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