/*==============================================================================
*
*/
void MSS_COMBLK_send_cmd_with_ptr
(
uint8_t cmd_opcode,
uint32_t cmd_params_ptr,
uint8_t * p_response,
uint16_t response_size,
comblk_completion_handler_t completion_handler
)
{
uint32_t tx_okay;
/*--------------------------------------------------------------------------
* Disable and clear previous interrupts.
*/
NVIC_DisableIRQ(ComBlk_IRQn);
COMBLK->INT_ENABLE = 0;
NVIC_ClearPendingIRQ(ComBlk_IRQn);
/*--------------------------------------------------------------------------
* Abort current command if any.
*/
abort_current_cmd();
/*--------------------------------------------------------------------------
* Initialialize COMBLK driver state variables:
*/
g_request_in_progress = 1;
g_comblk_cmd_opcode = cmd_opcode;
g_comblk_p_cmd = 0;
g_comblk_cmd_size = 0;
g_comblk_p_data = 0;
g_comblk_data_size = 0;
g_comblk_p_response = p_response;
g_comblk_response_size = response_size;
g_comblk_response_idx = 0;
g_comblk_completion_handler = completion_handler;
/*--------------------------------------------------------------------------
* Send command opcode as a single byte write to the Tx FIFO.
*/
send_cmd_opcode(g_comblk_cmd_opcode);
/*--------------------------------------------------------------------------
* Send the command parameters pointer to the Tx FIFO as a single 4 bytes
* write to the Tx FIFO.
*/
COMBLK->CONTROL |= CR_SIZETX_MASK;
/* Wait for space to become available in Tx FIFO. */
do {
tx_okay = COMBLK->STATUS & TXTOKAY_MASK;
} while(!tx_okay);
/* Send command opcode. */
COMBLK->DATA32 = cmd_params_ptr;
COMBLK->CONTROL &= ~CR_SIZETX_MASK;
g_comblk_state = COMBLK_WAIT_RESPONSE;
/*--------------------------------------------------------------------------
* Enable interrupt.
*/
COMBLK->INT_ENABLE |= RCVOKAY_MASK;
NVIC_EnableIRQ(ComBlk_IRQn);
}
/*==============================================================================
*
*/
void MSS_COMBLK_send_cmd
(
const uint8_t * p_cmd,
uint16_t cmd_size,
const uint8_t * p_data,
uint32_t data_size,
uint8_t * p_response,
uint16_t response_size,
comblk_completion_handler_t completion_handler
)
{
uint16_t size_sent;
ASSERT(cmd_size > 0);
/*
* Disable and clear previous interrupts.
*/
NVIC_DisableIRQ(ComBlk_IRQn);
COMBLK->INT_ENABLE = 0;
NVIC_ClearPendingIRQ(ComBlk_IRQn);
/*
* Abort current command if any.
*/
abort_current_cmd();
/*
* Initialialize COMBLK driver state variables:
*/
g_request_in_progress = 1;
g_comblk_cmd_opcode = p_cmd[0];
g_comblk_p_cmd = p_cmd;
g_comblk_cmd_size = cmd_size;
g_comblk_p_data = p_data;
g_comblk_data_size = data_size;
g_comblk_p_response = p_response;
g_comblk_response_size = response_size;
g_comblk_response_idx = 0;
g_comblk_completion_handler = completion_handler;
/*
* Fill FIFO with command.
*/
send_cmd_opcode(g_comblk_cmd_opcode);
size_sent = fill_tx_fifo(p_cmd, cmd_size - 1);
++size_sent;
if(size_sent < cmd_size)
{
g_comblk_cmd_size = g_comblk_cmd_size - size_sent;
g_comblk_p_cmd = &g_comblk_p_cmd[size_sent];
g_comblk_state = COMBLK_TX_CMD;
}
else
{
g_comblk_cmd_size = 0;
if(g_comblk_data_size > 0)
{
g_comblk_state = COMBLK_TX_DATA;
}
else
{
g_comblk_state = COMBLK_WAIT_RESPONSE;
}
}
/*
* Enable interrupt.
*/
COMBLK->INT_ENABLE |= (TXTOKAY_MASK | RCVOKAY_MASK);
NVIC_EnableIRQ(ComBlk_IRQn);
}
/*==============================================================================
*
*/
void MSS_COMBLK_send_paged_cmd
(
const uint8_t * p_cmd,
uint16_t cmd_size,
uint8_t * p_response,
uint16_t response_size,
uint32_t (*page_read_handler)(uint8_t const **),
void (*completion_handler)(uint8_t *, uint16_t)
)
{
uint32_t size_sent;
uint8_t irq_enable = 0u;
ASSERT(cmd_size > 0u);
/*
* Disable and clear previous interrupts.
*/
NVIC_DisableIRQ(ComBlk_IRQn);
COMBLK->INT_ENABLE = 0u;
NVIC_ClearPendingIRQ(ComBlk_IRQn);
/*
* Abort current command if any.
*/
abort_current_cmd();
/*
* Initialialize COMBLK driver state variables:
*/
g_request_in_progress = 1u;
g_comblk_cmd_opcode = p_cmd[0];
g_comblk_p_cmd = p_cmd;
g_comblk_cmd_size = cmd_size;
g_comblk_p_data = 0;
g_comblk_data_size = 0u;
g_comblk_p_response = p_response;
g_comblk_response_size = response_size;
g_comblk_response_idx = 0u;
g_comblk_page_handler = page_read_handler;
g_comblk_completion_handler = completion_handler;
/*
* Fill FIFO with command.
*/
send_cmd_opcode(g_comblk_cmd_opcode);
size_sent = fill_tx_fifo(&p_cmd[1], cmd_size - 1u);
++size_sent; /* Adjust for opcode byte sent. */
if(size_sent < cmd_size)
{
g_comblk_cmd_size = g_comblk_cmd_size - (uint16_t)size_sent;
g_comblk_p_cmd = &g_comblk_p_cmd[size_sent];
g_comblk_state = COMBLK_TX_CMD;
irq_enable = TXTOKAY_MASK | RCVOKAY_MASK;
}
else
{
g_comblk_cmd_size = 0u;
g_comblk_state = COMBLK_TX_PAGED_DATA;
irq_enable = TXTOKAY_MASK | RCVOKAY_MASK;
}
/*
* Enable interrupt.
*/
COMBLK->INT_ENABLE |= irq_enable;
NVIC_EnableIRQ(ComBlk_IRQn);
}
