Utils#

Functions#

void

rsi_uint16_to_2bytes(uint8_t *dBuf, uint16_t val)

Convert uint16 to two byte array.

void

rsi_uint32_to_4bytes(uint8_t *dBuf, uint32_t val)

Convert uint32 to four byte array.

uint16_t

rsi_bytes2R_to_uint16(uint8_t *dBuf)

Convert a 2 byte array to uint16, first byte in array is LSB.

uint32_t

rsi_bytes4R_to_uint32(uint8_t *dBuf)

Convert a 4 byte array to uint32, first byte in array is LSB.

int8_t

rsi_ascii_hex2num(int8_t ascii_hex_in)

ASCII to HEX conversion.

int8_t

rsi_char_hex2dec(int8_t *cBuf)

Convert given ASCII HEX notation to decimal notation (used for MAC address).

uint8_t *

rsi_ascii_dev_address_to_6bytes_rev(uint8_t *hex_addr, int8_t *ascii_mac_address)

Convert notation MAC address to a 6-byte HEX address.

int8_t

hex_to_ascii(uint8_t hex_num)

Hex to ascii conversion.

uint8_t *

rsi_6byte_dev_address_to_ascii(uint8_t *ascii_mac_address, uint8_t *hex_addr)

Convert given 6-byte HEX address to ASCII Mac address.

uint8_t

lmac_crc8_c(uint8_t crc8_din, uint8_t crc8_state, uint8_t end)

Calculate CRC for a given byte and accumulate CRC.

uint8_t

multicast_mac_hash(uint8_t *mac)

Calculate 6-bit hash value for given MAC address.

uint8_t

convert_lower_case_to_upper_case(uint8_t lwrcase)

Convert the given lower-case character to upper case.

void

string2array(uint8_t *dst, uint8_t *src, uint32_t length)

Convert the given string to array.

uint8_t *

rsi_itoa(uint32_t val, uint8_t *str)

Convert integer value into null-terminated string and stores it.

int32_t

rsi_atoi(const int8_t *str)

Convert string to an integer.

int8_t

asciihex_2_num(int8_t ascii_hex_in)

ASCII to hex conversion.

int8_t

rsi_charhex_2_dec(int8_t *cBuf)

Convert given ASCII HEX notation to decimal notation (used for mac address).

void

rsi_ascii_mac_address_to_6bytes(uint8_t *hexAddr, int8_t *asciiMacAddress)

Convert ASCII notation MAC address to a 6-byte HEX address.

void

rsi_ascii_dot_address_to_4bytes(uint8_t *hexAddr, int8_t *asciiDotAddress)

Convert ASCII notation network address to 4-byte HEX address.

uint64_t

ip_to_reverse_hex(char *ip)

Convert IP address to reverse HEX format.

uint32_t

rsi_ntohl(uint32_t a)

Converts the unsigned integer from network byte order to host byte order.

uint8_t

ascii_to_dec(uint8_t *num)

Convert ASCII to Decimal Value.

void

rsi_reverse(char *str, int len)

Reverses the given string.

int

rsi_intToStr(int x, char str[], int d)

converts the integer into a string.

void

rsi_ftoa(char *res, float n, int afterpoint)

void

ROM_WL_rsi_uint16_to_2bytes(global_cb_t *global_cb_p, uint8_t *dBuf, uint16_t val)

Convert uint16 to two byte array.

void

ROM_WL_rsi_uint32_to_4bytes(global_cb_t *global_cb_p, uint8_t *dBuf, uint32_t val)

Convert uint32 to four byte array.

uint16_t

ROM_WL_rsi_bytes2R_to_uint16(global_cb_t *global_cb_p, uint8_t *dBuf)

Convert a 2 byte array to uint16, first byte in array is LSB.

uint32_t

ROM_WL_rsi_bytes4R_to_uint32(global_cb_t *global_cb_p, uint8_t *dBuf)

Convert a 4 byte array to uint32, first byte in array is LSB.

Function Documentation#

rsi_uint16_to_2bytes#

void rsi_uint16_to_2bytes (uint8_t * dBuf, uint16_t val)

Convert uint16 to two byte array.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	dBuf	- Pointer to buffer to put the data in
uint16_t	[in]	val	- Data to convert

Returns

void

Referenced by rsi_ble_get_char_services_async , rsi_ble_get_inc_services_async , rsi_ble_get_char_value_by_uuid_async , rsi_ble_get_att_descriptors_async , rsi_ble_get_att_value_async , rsi_ble_set_att_value_async , rsi_ble_prepare_write_async , rsi_ble_get_char_services , rsi_ble_get_inc_services , rsi_ble_get_char_value_by_uuid , rsi_ble_get_att_descriptors , rsi_ble_get_att_value , rsi_ble_set_att_value , rsi_ble_set_att_cmd , rsi_ble_set_long_att_value , rsi_ble_prepare_write , rsi_setsockopt , and rsi_fill_config_profile

rsi_uint32_to_4bytes#

void rsi_uint32_to_4bytes (uint8_t * dBuf, uint32_t val)

Convert uint32 to four byte array.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	dBuf	- Pointer to buffer to put the data in
uint32_t	[in]	val	- Data to convert

Returns

void

Referenced by rsi_mem_wr , and rsi_fill_config_profile

rsi_bytes2R_to_uint16#

uint16_t rsi_bytes2R_to_uint16 (uint8_t * dBuf)

Convert a 2 byte array to uint16, first byte in array is LSB.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	dBuf	- Pointer to a buffer to get the data from

Returns

Converted 16 bit data

Referenced by rsi_bt_common_tx_done , rsi_driver_process_bt_resp , rsi_driver_process_bt_resp_handler , rsi_tx_event_handler , rsi_driver_process_recv_data_non_rom , rsi_get_socket_descriptor , rsi_frame_read , and rsi_wlan_process_raw_data

rsi_bytes4R_to_uint32#

uint32_t rsi_bytes4R_to_uint32 (uint8_t * dBuf)

Convert a 4 byte array to uint32, first byte in array is LSB.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	dBuf	- Pointer to a buffer to get the data from

Returns

Converted 32 bit data

rsi_ascii_hex2num#

int8_t rsi_ascii_hex2num (int8_t ascii_hex_in)

ASCII to HEX conversion.

Parameters

Type	Direction	Argument Name	Description
int8_t	[in]	ascii_hex_in	- ASCII HEX input

Returns

HEX number

rsi_char_hex2dec#

int8 rsi_char_hex2dec (int8_t * cBuf)

Convert given ASCII HEX notation to decimal notation (used for MAC address).

Parameters

Type	Direction	Argument Name	Description
int8_t *	[in]	cBuf	- ASCII HEX notation string

Returns

Integer Value

rsi_ascii_dev_address_to_6bytes_rev#

uint8_t * rsi_ascii_dev_address_to_6bytes_rev (uint8_t * hex_addr, int8_t * ascii_mac_address)

Convert notation MAC address to a 6-byte HEX address.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	hex_addr	- Source address to convert, must be a null terminated string.
int8_t *	[out]	ascii_mac_address	- Converted HEX address.

Returns

HEX address

hex_to_ascii#

int8_t hex_to_ascii (uint8_t hex_num)

Hex to ascii conversion.

Parameters

Type	Direction	Argument Name	Description
uint8_t	[in]	hex_num	- HEX number

Returns

Ascii value for given HEX value

rsi_6byte_dev_address_to_ascii#

int8_t * rsi_6byte_dev_address_to_ascii (uint8_t * ascii_mac_address, uint8_t * hex_addr)

Convert given 6-byte HEX address to ASCII Mac address.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	ascii_mac_address	- HEX address input.
uint8_t *	[out]	hex_addr	- Converted ASCII mac address is returned here.

Returns

Converted ASCII mac address

lmac_crc8_c#

uint8_t lmac_crc8_c (uint8_t crc8_din, uint8_t crc8_state, uint8_t end)

Calculate CRC for a given byte and accumulate CRC.

Parameters

Type	Direction	Argument Name	Description
uint8_t	[in]	crc8_din	- CRC byte input
uint8_t	[in]	crc8_state	- accumulated CRC
uint8_t	[in]	end	- last byte CRC

Returns

CRC value

multicast_mac_hash#

uint8_t multicast_mac_hash (uint8_t * mac)

Calculate 6-bit hash value for given MAC address.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	mac	- pointer to MAC address

Returns

6-bit Hash value

convert_lower_case_to_upper_case#

uint8_t convert_lower_case_to_upper_case (uint8_t lwrcase)

Convert the given lower-case character to upper case.

Parameters

Type	Direction	Argument Name	Description
uint8_t	[in]	lwrcase	- Lower case character to convert

Returns

Converted Upper case character

Referenced by string2array , and rsi_fill_config_profile

string2array#

void string2array (uint8_t * dst, uint8_t * src, uint32_t length)

Convert the given string to array.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	dst	- Pointer to destination array
uint8_t *	[in]	src	- Pointer to source string
uint32_t	[in]	length	- Length of the string

Returns

Void

rsi_itoa#

uint8_t * rsi_itoa (uint32_t val, uint8_t * str)

Convert integer value into null-terminated string and stores it.

Parameters

Type	Direction	Argument Name	Description
uint32_t	[in]	val	- Value to be converted to a string
uint8_t *	[in]	str	- Array in memory where to store the resulting null-terminated string

Returns

Null-terminated string

rsi_atoi#

int32_t rsi_atoi (const int8_t * str)

Convert string to an integer.

Parameters

Type	Direction	Argument Name	Description
const int8_t *	[in]	str	- String to be converted to integer

Returns

Converted Integer

Referenced by rsi_ascii_dot_address_to_4bytes , and rsi_parse

asciihex_2_num#

int8_t asciihex_2_num (int8_t ascii_hex_in)

ASCII to hex conversion.

Parameters

Type	Direction	Argument Name	Description
int8_t	[in]	ascii_hex_in	- ASCII hex input

Returns

HEX number

rsi_charhex_2_dec#

int8_t rsi_charhex_2_dec (int8_t * cBuf)

Convert given ASCII HEX notation to decimal notation (used for mac address).

Parameters

Type	Direction	Argument Name	Description
int8_t *	[in]	cBuf	- ASCII HEX notation string.

Returns

Integer value

rsi_ascii_mac_address_to_6bytes#

void rsi_ascii_mac_address_to_6bytes (uint8_t * hexAddr, int8_t * asciiMacAddress)

Convert ASCII notation MAC address to a 6-byte HEX address.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	hexAddr	- Source address to convert, must be a null terminated string.
int8_t *	[out]	asciiMacAddress	- Converted HEX address is returned here.

Returns

Void

rsi_ascii_dot_address_to_4bytes#

void rsi_ascii_dot_address_to_4bytes (uint8_t * hexAddr, int8_t * asciiDotAddress)

Convert ASCII notation network address to 4-byte HEX address.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	hexAddr	- Source address to convert, must be a null terminated string.
int8_t *	[out]	asciiDotAddress	- Output value is passed back in the 4-byte HEX Address.

Returns

Void

ip_to_reverse_hex#

uint64_t ip_to_reverse_hex (char * ip)

Convert IP address to reverse HEX format.

Parameters

Type	Direction	Argument Name	Description
char *	[in]	ip	- IP address to convert.

Returns

IP address in reverse HEX format

rsi_ntohl#

uint32_t rsi_ntohl (uint32_t a)

Converts the unsigned integer from network byte order to host byte order.

Parameters

Type	Direction	Argument Name	Description
uint32_t	[in]	a	- Unsigned integer to convert.

Returns

Unsigned integer in host byte order

ascii_to_dec#

uint8_t ascii_to_dec (uint8_t * num)

Convert ASCII to Decimal Value.

Parameters

Type	Direction	Argument Name	Description
uint8_t *	[in]	num	- ASCII input

Returns

dec_val - value after conversion

rsi_reverse#

void rsi_reverse (char * str, int len)

Reverses the given string.

Parameters

Type	Direction	Argument Name	Description
char *	[in]	str	- string to be reversed
int	[in]	len	- the length of the given string

Returns

void

rsi_intToStr#

int rsi_intToStr (int x, char str, int d)

converts the integer into a string.

Parameters

Type	Direction	Argument Name	Description
int	[in]	x	- the string in which the result must be stored
char	[in]	str	- the float number that needs to be converted into a string
int	[in]	d	- the number of points after the decimal that needs to be printed, should be less than 6.

Converts a floating-point/double number to a string.

Returns

the lenght of the string

Returns

void

rsi_ftoa#

void rsi_ftoa (char * res, float n, int afterpoint)

Parameters

Type	Direction	Argument Name
char *	N/A	res
float	N/A	n
int	N/A	afterpoint

ROM_WL_rsi_uint16_to_2bytes#

void ROM_WL_rsi_uint16_to_2bytes (global_cb_t * global_cb_p, uint8_t * dBuf, uint16_t val)

Convert uint16 to two byte array.

Parameters

Type	Direction	Argument Name	Description
global_cb_t *	[in]	global_cb_p	- pointer to the common buffer
uint8_t *	[in]	dBuf	- pointer to buffer to put the data in
uint16_t	[in]	val	- data to convert

Returns

void

ROM_WL_rsi_uint32_to_4bytes#

void ROM_WL_rsi_uint32_to_4bytes (global_cb_t * global_cb_p, uint8_t * dBuf, uint32_t val)

Convert uint32 to four byte array.

Parameters

Type	Direction	Argument Name	Description
global_cb_t *	[in]	global_cb_p	- pointer to the common buffer
uint8_t *	[in]	dBuf	- pointer to the buffer to put the data in
uint32_t	[in]	val	- data to convert

Returns

void

ROM_WL_rsi_bytes2R_to_uint16#

uint16_t ROM_WL_rsi_bytes2R_to_uint16 (global_cb_t * global_cb_p, uint8_t * dBuf)

Convert a 2 byte array to uint16, first byte in array is LSB.

Parameters

Type	Direction	Argument Name	Description
global_cb_t *	[in]	global_cb_p	- pointer to the common buffer
uint8_t *	[in]	dBuf	- pointer to a buffer to get the data from

Returns

Converted data

ROM_WL_rsi_bytes4R_to_uint32#

uint32_t ROM_WL_rsi_bytes4R_to_uint32 (global_cb_t * global_cb_p, uint8_t * dBuf)

Convert a 4 byte array to uint32, first byte in array is LSB.

Parameters

Type	Direction	Argument Name	Description
global_cb_t *	[in]	global_cb_p	- pointer to the common buffer
uint8_t *	[in]	dBuf	- pointer to buffer to get the data from

Returns

Converted data