/*********************************************************************//**
* @brief Verify buffer
* @param[in] none
* @return None
**********************************************************************/
void Buffer_Verify(void)
{
uint8_t i;
#if (SPI_DATABIT_SIZE==8)
uint8_t *src_addr = (uint8_t *) &Tx_Buf[0];
uint8_t *dest_addr = (uint8_t *) &Rx_Buf[0];
for ( i = 0; i < SPI_DATABIT_SIZE; i++ )
{
if ( *src_addr++ != *dest_addr++ )
{
/* Call Error Loop */
_DBG_("Verify error");
Error_Loop();
}
}
#else
uint16_t *src_addr = (uint16_t *) &Tx_Buf[0];
uint16_t *dest_addr = (uint16_t *) &Rx_Buf[0];
for ( i = 0; i < SPI_DATABIT_SIZE/2; i++ )
{
if ( *src_addr++ != *dest_addr++ )
{
/* Call Error Loop */
_DBG_("Verify error");
Error_Loop();
}
}
#endif
}
/*********************************************************************//**
* @brief Verify buffer
* @param[in] none
* @return None
**********************************************************************/
void Buffer_Verify(void)
{
uint8_t i;
uint32_t *src_addr = (uint32_t *)DMA_SRC;
uint32_t *dest_addr = (uint32_t *)DMA_DST;
for ( i = 0; i < DMA_SIZE/4; i++ )
{
if ( *src_addr++ != *dest_addr++ )
{
/* Call Error Loop */
Error_Loop();
}
}
}
/*********************************************************************//**
* @brief Verify buffer
* @param[in] none
* @return None
**********************************************************************/
void Buffer_Verify(void)
{
uint8_t i;
uint8_t *pSTx = (uint8_t *) &Slave_Tx_Buf[0];
uint8_t *pMRx = (uint8_t *) &Master_Rx_Buf[0];
for ( i = 0; i < BUFFER_SIZE; i++ )
{
if (*pMRx++ != *pSTx++)
{
/* Call Error Loop */
Error_Loop();
}
}
}
/*********************************************************************//**
* @brief Verify buffer
* @param[in] none
* @return None
**********************************************************************/
void Buffer_Verify(void)
{
uint32_t i;
uint8_t *src_addr = (uint8_t *)dma_src;
uint8_t *dest_addr = (uint8_t *)dma_dst;
for ( i = 0; i < DMA_DATA_SIZE; i++ )
{
if ( *src_addr++ != *dest_addr++ )
{
/* Call Error Loop */
_DBG_("Verify error");
Error_Loop();
}
}
}
/*********************************************************************//**
* @brief Verify buffer
* @param[in] none
* @return None
**********************************************************************/
void Buffer_Verify(void)
{
uint8_t i;
uint8_t *src_addr = (uint8_t *) &Tx_Buf[0];
uint8_t *dest_addr = (uint8_t *) &Rx_Buf[0];
for ( i = 0; i < BUFFER_SIZE; i++ )
{
if ( *src_addr++ != *dest_addr++ )
{
_DBG_("Verify error");
/* Call Error Loop */
Error_Loop();
}
}
}
/*********************************************************************//**
* @brief c_entry: Main program body
* @param[in] None
* @return int
**********************************************************************/
int c_entry(void)
{
uint8_t tmpchar[2] = {0, 0};
__IO FlagStatus exitflag;
PINSEL_CFG_Type PinCfg;
I2C_M_SETUP_Type transferCfg;
uint8_t SC16IS_RegStat;
#if (USEDI2CDEV == 0)
/* Disable I2C0 interrupt */
NVIC_DisableIRQ(I2C0_IRQn);
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(I2C0_IRQn, ((0x01<<3)|0x01));
#elif (USEDI2CDEV == 2)
/* Disable I2C2 interrupt */
NVIC_DisableIRQ(I2C2_IRQn);
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(I2C2_IRQn, ((0x01<<3)|0x01));
#endif
/* Initialize debug via UART0
* – 115200bps
* – 8 data bit
* – No parity
* – 1 stop bit
* – No flow control
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
/*
* Init I2C pin connect
*/
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
#if (USEDI2CDEV == 0)
PinCfg.Funcnum = 1;
PinCfg.Pinnum = 27;
PinCfg.Portnum = 0;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 28;
PINSEL_ConfigPin(&PinCfg);
#elif (USEDI2CDEV == 2)
PinCfg.Funcnum = 2;
PinCfg.Pinnum = 10;
PinCfg.Portnum = 0;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 11;
PINSEL_ConfigPin(&PinCfg);
#endif
/* I2C block ------------------------------------------------------------------- */
// Initialize I2C peripheral
I2C_Init(I2CDEV, 100000);
/* Enable I2C1 operation */
I2C_Cmd(I2CDEV, ENABLE);
// test
complete = RESET;
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = NULL;
transferCfg.tx_length = 0;
transferCfg.rx_data = &SC16IS_RegStat;
transferCfg.rx_length = 1;
transferCfg.retransmissions_max = 2;
I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT);
while (complete == RESET);
/* Configure SC16IS750 ---------------------------------------------------------- */
/* First, send some command to reset SC16IS740 chip via I2C bus interface */
complete = RESET;
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = (uint8_t *)iocon_cfg;
transferCfg.tx_length = sizeof(iocon_cfg);
transferCfg.rx_data = NULL;
transferCfg.rx_length = 0;
transferCfg.retransmissions_max = 2;
I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT);
while (complete == RESET);
complete = RESET;
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = (uint8_t *)iodir_cfg;
transferCfg.tx_length = sizeof(iodir_cfg);
transferCfg.rx_data = NULL;
transferCfg.rx_length = 0;
transferCfg.retransmissions_max = 2;
I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT);
while (complete == RESET);
complete = RESET;
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = (uint8_t *)iostate_cfg_0;
transferCfg.tx_length = sizeof(iostate_cfg_0);
transferCfg.rx_data = NULL;
transferCfg.rx_length = 0;
transferCfg.retransmissions_max = 2;
I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT);
while (complete == RESET);
/* Validate value of SC16IS750 register ------------------------------------------ */
/* This section will dump out value of register that set through I2C bus */
complete = RESET;
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = NULL; //(uint8_t *)iocon_cfg;
transferCfg.tx_length = 0;//1;
transferCfg.rx_data = &SC16IS_RegStat;
transferCfg.rx_length = 1;
transferCfg.retransmissions_max = 2;
I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT);
while (complete == RESET);
complete = RESET;
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = (uint8_t *)iodir_cfg;
transferCfg.tx_length = 1;
transferCfg.rx_data = &SC16IS_RegStat;
transferCfg.rx_length = 1;
transferCfg.retransmissions_max = 2;
I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT);
while (complete == RESET);
complete = RESET;
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = (uint8_t *)iostate_cfg_0;
transferCfg.tx_length = 1;
transferCfg.rx_data = &SC16IS_RegStat;
transferCfg.rx_length = 1;
transferCfg.retransmissions_max = 2;
I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT);
while (complete == RESET);
// Reset exit flag
exitflag = RESET;
/* Read some data from the buffer */
while (exitflag == RESET){
while((tmpchar[0] = _DG) == 0);
if (tmpchar[0] == 27){
/* ESC key, set exit flag */
_DBG_(menu2);
exitflag = SET;
}
else if (tmpchar[0] == 'r'){
print_menu();
}
else{
if (tmpchar[0] == '1'){
// LEDs are ON now...
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = (uint8_t *)iostate_cfg_0;
transferCfg.tx_length = sizeof(iostate_cfg_0);
transferCfg.rx_data = NULL;
transferCfg.rx_length = 0;
transferCfg.retransmissions_max = 2;
if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
== ERROR){
Error_Loop(transferCfg.status);
}
}
else if (tmpchar[0] == '2')
{
// LEDs are OFF now...
transferCfg.sl_addr7bit = SLVADDR;
transferCfg.tx_data = (uint8_t *)iostate_cfg_1;
transferCfg.tx_length = sizeof(iostate_cfg_1);
transferCfg.rx_data = NULL;
transferCfg.rx_length = 0;
transferCfg.retransmissions_max = 2;
if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
== ERROR){
Error_Loop(transferCfg.status);
}
}
/* Then Echo it back */
_DBG_(tmpchar);
}
}
// wait for current transmission complete - THR must be empty
while (UART_CheckBusy(LPC_UART0) == SET);
// DeInitialize UART0 peripheral
UART_DeInit(LPC_UART0);
I2C_DeInit(I2CDEV);
/* Loop forever */
while(1);
return 1;
}