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Linduino
1.3.0
Linear Technology Arduino-Compatible Demonstration Board
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Library for LTC6953: Ultra-Low Jitter, JESD204B Clock Distributor with Eleven Programmable Outputs. More...
Library for LTC6953: Ultra-Low Jitter, JESD204B Clock Distributor with Eleven Programmable Outputs.
Definition in file LTC6953.cpp.
Go to the source code of this file.
Functions | |
uint8_t | LTC6953_read (uint8_t cs, int8_t address) |
LTC6953 Read Single Address reads 8 bit Data field to LTC6953. More... | |
long | LTC6953_read_field (uint8_t cs, uint8_t address, uint8_t MSB_loc, uint8_t numbits) |
LTC6953 Read Single Field For SPI FIELDS located in 1 or multiple address location reads specific address locations identifies and returns specific field in question can handle SPI fields in multiple addresses, if MSB bit is in the lower number address. More... | |
long | get_LTC6953_SPI_FIELD (uint8_t cs, uint8_t f) |
Gets the LTC6953 SPI field value calls function LTC6953_read_field, which reads specific address locations identifies and returns specific field in question can handle SPI fields in multiple addresses, if MSB bit is in the lower number address. More... | |
void | LTC6953_write (uint8_t cs, uint8_t address, uint8_t Data) |
LTC6953 Write Single Address writes 8 bit Data field to LTC6953. More... | |
uint8_t | LTC6953_write_field (uint8_t cs, long field_data, uint8_t address, uint8_t MSB_loc, uint8_t numbits) |
LTC6953 Write Single Field For SPI FIELDS in 1 or multiple address locations reads specific address/field location then writes to specific field can handle SPI fields in multiple addresses, if MSB bit is in the lower number address. More... | |
uint8_t | get_LTC6953_REGSIZE () |
returns # of addresses in parts register map (array size) More... | |
uint8_t | get_LTC6953_SPI_FIELD_NUMBITS (uint8_t f) |
returns the number of bits for a given field name in the SPI map More... | |
uint8_t | get_LTC6953_SPI_FIELD_RW (uint8_t f) |
returns if the given field name is (0)read/write or (1)read_only field More... | |
void | set_LTC6953_SPI_FIELD (uint8_t cs, uint8_t f, long field_data) |
Sets the LTC6953 SPI field value calls function LTC6953_read_field, which reads specific address/field location then writes to specific field can handle SPI fields in multiple addresses, if MSB bit is in the lower number address. More... | |
void | set_LTC6953_REGS_lkup_tbl (uint8_t lkup_tbl_row) |
Writes values to ALL LTC6953 RW addresses from a look-up table. More... | |
void | LTC6953_init () |
Initializes the SPI MAP arrays The values set in initialization are used for all the LTC6953 SPI/WRITE and read functions (set_LTC6953_SPI_FIELD, get_LTC6953_SPI_FIELD, LTC6953_read, LTC6953_write, etc, etc) More... | |
int8_t | discover_demo_board_local (char *demo_name) |
Read the ID string from the EEPROM and determine if any demo board is connected. More... | |
Variables | |
uint8_t | LTC6953_reg [LTC6953_NUM_REGADDR] |
number of LTC6953 spi addresses More... | |
uint16_t | LTC6953_spi_map [(LTC6953_NUM_REGFIELD+1)] |
LTC6953 spi map, AAAA AAAA RMMM NNNN; A= ADDR LOC, R=R or RW, M = MSB bit location, N = field length. More... | |
uint8_t | LTC6953_lkup_tbl [2][LTC6953_NUM_REGADDR] |
created with the LTC6952Wizard tool More... | |
int8_t discover_demo_board_local | ( | char * | demo_name | ) |
Read the ID string from the EEPROM and determine if any demo board is connected.
Returns 1 if successful, 0 if not successful
Definition at line 470 of file LTC6953.cpp.
uint8_t get_LTC6953_REGSIZE | ( | ) |
returns # of addresses in parts register map (array size)
Definition at line 242 of file LTC6953.cpp.
long get_LTC6953_SPI_FIELD | ( | uint8_t | cs, |
uint8_t | f | ||
) |
Gets the LTC6953 SPI field value calls function LTC6953_read_field, which reads specific address locations identifies and returns specific field in question can handle SPI fields in multiple addresses, if MSB bit is in the lower number address.
cs | Chip Select Pin |
f | SPI field number |
Definition at line 154 of file LTC6953.cpp.
uint8_t get_LTC6953_SPI_FIELD_NUMBITS | ( | uint8_t | f | ) |
returns the number of bits for a given field name in the SPI map
f | SPI field number |
Definition at line 252 of file LTC6953.cpp.
uint8_t get_LTC6953_SPI_FIELD_RW | ( | uint8_t | f | ) |
returns if the given field name is (0)read/write or (1)read_only field
f | SPI field number |
Definition at line 265 of file LTC6953.cpp.
void LTC6953_init | ( | ) |
Initializes the SPI MAP arrays The values set in initialization are used for all the LTC6953 SPI/WRITE and read functions (set_LTC6953_SPI_FIELD, get_LTC6953_SPI_FIELD, LTC6953_read, LTC6953_write, etc, etc)
Definition at line 353 of file LTC6953.cpp.
uint8_t LTC6953_read | ( | uint8_t | cs, |
int8_t | address | ||
) |
LTC6953 Read Single Address reads 8 bit Data field to LTC6953.
has to shift data by one bit to account for RW bit
cs | Chip Select Pin |
address | Register address for the LTC6953. |
Definition at line 98 of file LTC6953.cpp.
long LTC6953_read_field | ( | uint8_t | cs, |
uint8_t | address, | ||
uint8_t | MSB_loc, | ||
uint8_t | numbits | ||
) |
LTC6953 Read Single Field For SPI FIELDS located in 1 or multiple address location reads specific address locations identifies and returns specific field in question can handle SPI fields in multiple addresses, if MSB bit is in the lower number address.
cs | Chip Select Pin |
address | Register address for the LTC6953. |
MSB_loc | MSB bit location of field |
numbits | length of field (i.e. number of bits in field) |
Definition at line 118 of file LTC6953.cpp.
void LTC6953_write | ( | uint8_t | cs, |
uint8_t | address, | ||
uint8_t | Data | ||
) |
LTC6953 Write Single Address writes 8 bit Data field to LTC6953.
has to shift data by one bit to account for RW bit
cs | Chip Select Pin |
address | Register address for the LTC6953. |
Data | 8-bit data to be written to register |
Definition at line 175 of file LTC6953.cpp.
uint8_t LTC6953_write_field | ( | uint8_t | cs, |
long | field_data, | ||
uint8_t | address, | ||
uint8_t | MSB_loc, | ||
uint8_t | numbits | ||
) |
LTC6953 Write Single Field For SPI FIELDS in 1 or multiple address locations reads specific address/field location then writes to specific field can handle SPI fields in multiple addresses, if MSB bit is in the lower number address.
cs | Chip Select Pin |
field_data | Value field value to be set to |
address | Register address for the LTC6953. |
MSB_loc | MSB bit location of field |
numbits | length of field (i.e. number of bits in field) |
Definition at line 191 of file LTC6953.cpp.
void set_LTC6953_REGS_lkup_tbl | ( | uint8_t | lkup_tbl_row | ) |
Writes values to ALL LTC6953 RW addresses from a look-up table.
lkup_tbl_row | Any number 0-2, lookup table has 2 options |
Definition at line 303 of file LTC6953.cpp.
void set_LTC6953_SPI_FIELD | ( | uint8_t | cs, |
uint8_t | f, | ||
long | field_data | ||
) |
Sets the LTC6953 SPI field value calls function LTC6953_read_field, which reads specific address/field location then writes to specific field can handle SPI fields in multiple addresses, if MSB bit is in the lower number address.
cs | Chip Select Pin |
f | SPI field number |
field_data | Value field value to be set to |
Definition at line 281 of file LTC6953.cpp.
uint8_t LTC6953_lkup_tbl[2][LTC6953_NUM_REGADDR] |
created with the LTC6952Wizard tool
LTC6953 Configuration look-up table
Definition at line 86 of file LTC6953.cpp.
uint8_t LTC6953_reg[LTC6953_NUM_REGADDR] |
number of LTC6953 spi addresses
Definition at line 83 of file LTC6953.cpp.
uint16_t LTC6953_spi_map[(LTC6953_NUM_REGFIELD+1)] |
LTC6953 spi map, AAAA AAAA RMMM NNNN; A= ADDR LOC, R=R or RW, M = MSB bit location, N = field length.
Definition at line 84 of file LTC6953.cpp.