static void TASK_SPI_Handler(void *pvParameters)
{
portTickType xLastExecutionTime;
// Initialise the xLastExecutionTime variable on task entry
xLastExecutionTime = xTaskGetTickCount();
// fill Tx Buffer with housenumbers
{
int i;
for(i=0; i<TRANSFER_BUFFER_SIZE; ++i)
tx_buffer[i] = i;
}
while( 1 ) {
// wait for 100 mS
vTaskDelayUntil(&xLastExecutionTime, 100 / portTICK_RATE_MS);
// toggle Status LED to as a sign of live
MIOS32_BOARD_LED_Set(1, ~MIOS32_BOARD_LED_Get());
// activate CS pin
MIOS32_SPI_RC_PinSet(MASTER_SPI, MASTER_CS_PIN, 0); // spi, rc_pin, pin_value
// send data non-blocking
MIOS32_SPI_TransferBlock(MASTER_SPI, tx_buffer, rx_buffer, TRANSFER_BUFFER_SIZE, SPI_Callback);
}
}
/////////////////////////////////////////////////////////////////////////////
//! writes several sequential bytes to the ENC28J60 RAM. It performs faster
//! than multiple MIOS32_ENC28J60_MACPut() calls.
//!
//! EWRPT is incremented by len.
//! \param[in] buffer source buffer
//! \param[in] len number of bytes which should be written
//! \return < 0 on errors
/////////////////////////////////////////////////////////////////////////////
s32 MIOS32_ENC28J60_MACPutArray(u8 *buffer, u16 len)
{
s32 status = 0;
CSN_0;
status |= MIOS32_SPI_TransferByte(MIOS32_ENC28J60_SPI, WBM);
status |= MIOS32_SPI_TransferBlock(MIOS32_ENC28J60_SPI, buffer, NULL, len, NULL);
CSN_1;
return status;
}
