/* Channel initialization function */
void SPI_CONFIG_0_lInit()
{
/* Initialize USIC channel in SPI mode */
XMC_SPI_CH_Init(XMC_SPI0_CH1, &SPI_CONFIG_0_channel_config);
/* Set the frame and word length */
XMC_SPI_CH_SetFrameLength(XMC_SPI0_CH1, 16U);
XMC_SPI_CH_SetWordLength(XMC_SPI0_CH1, 16U);
/* Set MSB data shift direction */
XMC_SPI_CH_SetBitOrderMsbFirst(XMC_SPI0_CH1);
/* Set input source for input stage dx0 (receive pin) */
XMC_SPI_CH_SetInputSource(XMC_SPI0_CH1, XMC_SPI_CH_INPUT_DIN0, 0U);
/* Set input source for input stage dx3 (receive pin) */
XMC_SPI_CH_SetInputSource(XMC_SPI0_CH1, XMC_SPI_CH_INPUT_DIN1, 0U);
/* Set input source for input stage dx4 (receive pin) */
XMC_SPI_CH_SetInputSource(XMC_SPI0_CH1, XMC_SPI_CH_INPUT_DIN2, 0U);
/* Set input source for input stage dx5 (receive pin) */
XMC_SPI_CH_SetInputSource(XMC_SPI0_CH1, XMC_SPI_CH_INPUT_DIN3, 0U);
/* Disable Frame End Mode */
XMC_SPI_CH_DisableFEM(XMC_SPI0_CH1);
/* Configure the clock polarity and clock delay */
XMC_SPI_CH_ConfigureShiftClockOutput(XMC_SPI0_CH1, XMC_SPI_CH_BRG_SHIFT_CLOCK_PASSIVE_LEVEL_1_DELAY_ENABLED,
XMC_SPI_CH_BRG_SHIFT_CLOCK_OUTPUT_SCLK);
/* Disable all Slave Select lines */
XMC_SPI_CH_DisableSlaveSelect(XMC_SPI0_CH1);
/* Establish Slave Select signal polarity */
XMC_SPI_CH_SetSlaveSelectPolarity(XMC_SPI0_CH1, XMC_SPI_CH_SLAVE_SEL_INV_TO_MSLS);
/* Set Select Control */;
XMC_SPI_CH_DisableSlaveSelectCodedMode(XMC_SPI0_CH1);
/* Configure the leading/trailing delay for the MSLS signal */
XMC_SPI_CH_SetSlaveSelectDelay(XMC_SPI0_CH1, 2U);
/* Set the service request line for the Data Lost, Baud Rate Generator and SPI protocol events */
XMC_USIC_CH_SetInterruptNodePointer(XMC_SPI0_CH1, XMC_USIC_CH_INTERRUPT_NODE_POINTER_PROTOCOL, 0U);
/* Enable the Slave Select 0 Signal */
XMC_SPI_CH_EnableSlaveSelect(XMC_SPI0_CH1, SPI_CONFIG_0_slave_select_list[0]);
}
/*
* This routine writes to display controller using SPI bus, with A0 = 1
*
*/
void GUI_SEGGERLIBRARY_WriteDataByte(uint8_t data)
{
#if (!USER_DEFINED_LCD && SPI_INTERFACE == 1)
/* Set the A0 pin*/
XMC_GPIO_SetOutputHigh(IOHandle.portNo,IOHandle.pinNo);
#endif
XMC_SPI_CH_EnableSlaveSelect(SPI_INSTANCE.channel, SPI_INSTANCE.config->slave_select_pin_config[0]->slave_select_ch);
GUI_SEGGERLIBRARY_SendByte(data);
XMC_SPI_CH_DisableSlaveSelect(SPI_INSTANCE.channel);
}
/*
* This routine writes to display controller using SPI bus, with A0 = 0
*
*/
void GUI_SEGGERLIBRARY_WriteCmdByte(uint8_t cmd)
{
#if (!USER_DEFINED_LCD && SPI_INTERFACE == 1)
/* Clear the A0 pin */
XMC_GPIO_SetOutputLow(IOHandle.portNo,IOHandle.pinNo);
#endif
XMC_SPI_CH_EnableSlaveSelect(SPI_INSTANCE.channel,SPI_INSTANCE.config->slave_select_pin_config[0]->slave_select_ch);
/* Write to the SPI Bus */
GUI_SEGGERLIBRARY_SendByte(cmd);
XMC_SPI_CH_DisableSlaveSelect(SPI_INSTANCE.channel);
}
/*
* This routine writes multiple bytes to display controller using SPI bus,
* with A0 = 1.
*
*/
void GUI_SEGGERLIBRARY_WriteMultipleBytes(uint8_t *data, int numitems)
{
uint8_t datacopy;
#if (!USER_DEFINED_LCD && SPI_INTERFACE == 1)
/* Set the A0 pin*/
XMC_GPIO_SetOutputHigh(IOHandle.portNo,IOHandle.pinNo);
#endif
XMC_SPI_CH_EnableSlaveSelect(SPI_INSTANCE.channel, SPI_INSTANCE.config->slave_select_pin_config[0]->slave_select_ch);
do
{
datacopy = *data;
GUI_SEGGERLIBRARY_SendByte(datacopy);
data++;
}while(--numitems);
XMC_SPI_CH_DisableSlaveSelect(SPI_INSTANCE.channel);
}
