Kinetis SDK v.2.0 API Reference Manual
Rev. 0
Freescale Semiconductor, Inc.
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This section describes the programming interface of the LTC EDMA Non Blocking functions
Modules | |
LTC eDMA AES driver | |
LTC eDMA DES driver | |
Data Structures | |
struct | ltc_edma_handle_t |
LTC EDMA handle. More... | |
Typedefs | |
typedef void(* | ltc_edma_callback_t )(LTC_Type *base, ltc_edma_handle_t *handle, status_t status, void *userData) |
LTC EDMA callback function. More... | |
typedef status_t(* | ltc_edma_state_machine_t )(LTC_Type *base, ltc_edma_handle_t *handle) |
LTC EDMA state machine function. More... | |
Functions | |
void | LTC_CreateHandleEDMA (LTC_Type *base, ltc_edma_handle_t *handle, ltc_edma_callback_t callback, void *userData, edma_handle_t *inputFifoEdmaHandle, edma_handle_t *outputFifoEdmaHandle) |
Init the LTC EDMA handle which is used in transcational functions. More... | |
struct _ltc_edma_handle |
It is defined only for private usage inside LTC EDMA driver.
Data Fields | |
ltc_edma_callback_t | callback |
Callback function. More... | |
void * | userData |
LTC callback function parameter. More... | |
edma_handle_t * | inputFifoEdmaHandle |
The EDMA TX channel used. More... | |
edma_handle_t * | outputFifoEdmaHandle |
The EDMA RX channel used. More... | |
ltc_edma_state_machine_t | state_machine |
State machine. More... | |
uint32_t | state |
Internal state. More... | |
const uint8_t * | inData |
Input data. More... | |
uint8_t * | outData |
Output data. More... | |
uint32_t | size |
Size of input and output data in bytes. More... | |
uint32_t | modeReg |
LTC mode register. More... | |
uint8_t * | counter |
Input counter (updates on return) | |
const uint8_t * | key |
Input key to use for forward AES cipher. | |
uint32_t | keySize |
Size of the input key, in bytes. More... | |
uint8_t * | counterlast |
Output cipher of last counter, for chained CTR calls. More... | |
uint32_t * | szLeft |
Output number of bytes in left unused in counterlast block. More... | |
uint32_t | lastSize |
Last size. More... | |
ltc_edma_callback_t ltc_edma_handle_t::callback |
void* ltc_edma_handle_t::userData |
edma_handle_t* ltc_edma_handle_t::inputFifoEdmaHandle |
edma_handle_t* ltc_edma_handle_t::outputFifoEdmaHandle |
ltc_edma_state_machine_t ltc_edma_handle_t::state_machine |
uint32_t ltc_edma_handle_t::state |
const uint8_t* ltc_edma_handle_t::inData |
uint8_t* ltc_edma_handle_t::outData |
uint32_t ltc_edma_handle_t::size |
uint32_t ltc_edma_handle_t::modeReg |
uint32_t ltc_edma_handle_t::keySize |
Must be 16, 24, or 32.
uint8_t* ltc_edma_handle_t::counterlast |
NULL can be passed if chained calls are not used.
uint32_t* ltc_edma_handle_t::szLeft |
NULL can be passed if chained calls are not used.
uint32_t ltc_edma_handle_t::lastSize |
typedef void(* ltc_edma_callback_t)(LTC_Type *base, ltc_edma_handle_t *handle, status_t status, void *userData) |
typedef status_t(* ltc_edma_state_machine_t)(LTC_Type *base, ltc_edma_handle_t *handle) |
It is defined only for private usage inside LTC EDMA driver.
void LTC_CreateHandleEDMA | ( | LTC_Type * | base, |
ltc_edma_handle_t * | handle, | ||
ltc_edma_callback_t | callback, | ||
void * | userData, | ||
edma_handle_t * | inputFifoEdmaHandle, | ||
edma_handle_t * | outputFifoEdmaHandle | ||
) |
base | LTC module base address |
handle | Pointer to ltc_edma_handle_t structure |
callback | Callback function, NULL means no callback. |
userData | Callback function parameter. |
inputFifoEdmaHandle | User requested EDMA handle for Input FIFO EDMA. |
outputFifoEdmaHandle | User requested EDMA handle for Output FIFO EDMA. |