void UART0_Init(void)
{
/* Reset IP */
SYS_ResetModule(UART0_RST);
/* Configure UART0 and set UART0 Baudrate */
UART_Open(UART0, 115200);
}
void UART_Init()
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init UART */
/*---------------------------------------------------------------------------------------------------------*/
UART_Open(UART0, 115200);
}
int32_t main (void)
{
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("\nThis sample code demonstrate using WDT in polling mode\n");
// WDT register is locked, so it is necessary to unlock protect register before configure WDT
SYS_UnlockReg();
// WDT timeout every 2^14 WDT clock, disable system reset, disable wake up system
WDT_Open(WDT_TIMEOUT_2POW14, 0, FALSE, FALSE);
while(1) {
// WDT timeout flag set
if(WDT_GET_TIMEOUT_INT_FLAG()) {
// Reset WDT and clear time out flag
WDT_CLEAR_TIMEOUT_INT_FLAG();
printf("Reset WDT counter\n");
}
}
}
//=========================================================================
//----- (00007EF4) --------------------------------------------------------
__myevic__ void InitUART0()
{
SYS_ResetModule( UART0_RST );
UART_Open( UART0, 115200 );
myputc = (FPUTC_FUNC*)&UART0_Putc;
}
int main(void)
{
int i = 0;
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
/*Initial Timer0 to periodic mode with 1Hz */
TIMER_Open(TIMER0, TIMER_PERIODIC_MODE, 1);
/* Enable timer wake up system */
TIMER_EnableWakeup(TIMER0);
/* Enable Timer0 interrupt */
TIMER_EnableInt(TIMER0);
NVIC_EnableIRQ(TMR0_IRQn);
/* Start Timer0 counting */
TIMER_Start(TIMER0);
/* Unlock protected registers */
SYS_UnlockReg();
while(1)
{
CLK_PowerDown();
printf("Wake %d\n", i++);
}
}
void UART0_Init()
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init UART */
/*---------------------------------------------------------------------------------------------------------*/
/* Reset UART0 module */
SYS_ResetModule(UART0_RST);
/* Init UART0 to 115200-8n1 for print message */
UART_Open(UART0, 115200);
}
void UART_Init(void)
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init UART */
/*---------------------------------------------------------------------------------------------------------*/
/* Reset IP */
SYS_ResetModule(UART_RST);
/* Configure UART and set UART Baudrate */
UART_Open(UART, 115200);
}
void UART1_Init()
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init UART */
/*---------------------------------------------------------------------------------------------------------*/
/* Reset UART1 module */
SYS_ResetModule(UART1_RST);
/* Configure UART1 and set UART1 Baudrate */
UART_Open(UART1, 115200);
}
void UART0_Init()
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init UART */
/*---------------------------------------------------------------------------------------------------------*/
/* Reset UART module */
SYS_ResetModule(UART0_RST);
/* Configure UART0 and set UART0 baud rate */
UART_Open(UART0, 115200);
}
int main()
{
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("Hello World\n");
while(1);
}
void setupCommandUART()
{
/* Enable peripheral clock */
CLK_EnableModuleClock(UART0_MODULE);
/* Peripheral clock source */
CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UARTSEL_HIRC, CLK_CLKDIV0_UART(1));
/* Set PD multi-function pins for UART0 RXD, TXD */
SYS->GPD_MFPL = SYS_GPD_MFPL_PD0MFP_UART0_RXD | SYS_GPD_MFPL_PD1MFP_UART0_TXD;
/* Reset UART module */
SYS_ResetModule(UART0_RST);
/* Configure UART0 and set UART0 Baudrate */
UART_Open(UART0, 115200);
}
void UART1_Init(void)
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init UART */
/*---------------------------------------------------------------------------------------------------------*/
/* Reset IP */
SYS_ResetModule(UART1_RST);
/* Configure UART1 and set UART1 Baudrate */
UART_Open(UART1, 115200);
/* Enable UART1 RX Time-Out Interrupt and RX Data Available Interrupt */
UART_EnableInt(UART1, UART_INTEN_RXTOIEN_Msk | UART_INTEN_THREIEN_Msk | UART_INTEN_RDAIEN_Msk);
}
/*---------------------------------------------------------------------------------------------------------*/
int32_t PWM_DeadZone(void)
{
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
/* Unlock protected registers */
SYS_UnlockReg();
/* Init System, IP clock and multi-function I/O */
SYS_Init();
/* Lock protected registers */
SYS_LockReg();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("+------------------------------------------------------------------------+\n");
printf("| PWM Driver Sample Code |\n");
printf("| |\n");
printf("+------------------------------------------------------------------------+\n");
printf(" This sample code will output all PWMA channels with different\n");
printf(" frequency and duty, enable dead zone function of all PWMA pairs.\n");
printf(" And also enable/disable PWM output every 1 second.\n");
printf(" I/O configuration:\n");
printf(" waveform output pin: PWM0(P2.0), PWM1(P2.1), PWM2(P2.2), PWM3(P2.3)\n");
// PWM0 frequency is 100Hz, duty 30%,
PWM_ConfigOutputChannel(PWMA, PWM_CH0, 100, 30);
PWM_EnableDeadZone(PWMA, PWM_CH0, 400);
// PWM2 frequency is 300Hz, duty 50%
PWM_ConfigOutputChannel(PWMA, PWM_CH2, 300, 50);
PWM_EnableDeadZone(PWMA, PWM_CH2, 200);
// Enable output of all PWMA channels
PWM_EnableOutput(PWMA, 0xF);
// Enable PWMA channel 0 period interrupt, use channel 0 to measure time.
PWM_EnablePeriodInt(PWMA, PWM_CH0, 0);
NVIC_EnableIRQ(PWMA_IRQn);
// Start
PWM_Start(PWMA, 0xF);
while(1);
}
void setupGpsUART()
{
#ifdef GPS_UART
/* Enable peripheral clock */
CLK_EnableModuleClock(UART1_MODULE);
/* Peripheral clock source */
CLK_SetModuleClock(UART1_MODULE, CLK_CLKSEL1_UARTSEL_HIRC, CLK_CLKDIV0_UART(1));
/* Set PE multi-function pins for UART0 RXD, TXD */
SYS->GPE_MFPH = SYS_GPE_MFPH_PE13MFP_UART1_RXD | SYS_GPE_MFPH_PE12MFP_UART1_TXD;
/* Reset UART module */
SYS_ResetModule(UART1_RST);
/* Configure UART0 and set UART0 Baudrate */
UART_Open(UART1, GPS_BAUD);
UART_EnableInt(UART1, UART_INTEN_RDAIEN_Msk);
#endif
}
int Timer_InterTimerTriggerMode(void)
{
int volatile i;
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SysInit();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
/* This sample code demonstrate inter timer trigger mode using Timer0 and Timer1
* In this mode, Timer0 is working as counter, and triggers Timer1. Using Timer1
* to calculate the amount of time used by Timer0 to count specified amount of events.
* By dividing the time period recorded in Timer1 by the event counts, we get
* the event frequency.
*/
printf("Inter timer trigger mode demo code\n");
printf("Please connect input source with Timer 0 counter pin PB.8, press any key to continue\n");
UART_GetChar();
// Give a dummy target frequency here. Will over write prescale and compare value with macro
TIMER_Open(TIMER0, TIMER_ONESHOT_MODE, 100);
// Update prescale and compare value. Calculate average frequency every 1000 events
TIMER_SET_PRESCALE_VALUE(TIMER0, 0);
TIMER_SET_CMP_VALUE(TIMER0, 1000);
// Update Timer 1 prescale value. So Timer 1 clock is 1MHz
TIMER_SET_PRESCALE_VALUE(TIMER1, 11);
// We need capture interrupt
NVIC_EnableIRQ(TMR1_IRQn);
while(1) {
complete = 0;
// Count event by timer 0, disable drop count (set to 0), disable timeout (set to 0). Enable interrupt after complete
TIMER_EnableFreqCounter(TIMER0, 0, 0, TRUE);
while(complete == 0);
}
}
void setupUART()
{
/* Enable peripheral clock */
CLK_EnableModuleClock(UART_MODULE);
/* Peripheral clock source */
CLK_SetModuleClock(UART_MODULE, CLK_CLKSEL1_UART_S_HIRC, CLK_CLKDIV_UART(1));
/* Set PD multi-function pins for UART0 RXD, TXD */
SYS->P1_MFP &= ~(SYS_MFP_P12_Msk | SYS_MFP_P13_Msk);
SYS->P1_MFP |= (SYS_MFP_P12_RXD | SYS_MFP_P13_TXD);
//SYS->P0_MFP = SYS_MFP_P00_TXD | SYS_MFP_P01_RXD;
/* Reset UART module */
SYS_ResetModule(UART_RST);
/* Configure UART0 and set UART0 Baudrate */
UART_Open(UART0, 115200);
}
int main(int argc, char **argv)
{
int fd = FALSE;
int ret;
char rcv_buf[512];
char send_buf[512];
int i;
if(argc != 2){
printf("Usage: %s /dev/ttySn \n",argv[0]);
return FALSE;
}
fd = UART_Open(fd,argv[1]);
if(FALSE == fd){
printf("open error\n");
exit(1);
}
ret = UART_Init(fd,9600,0,8,1,'N');
if (FALSE == fd){
printf("Set Port Error\n");
exit(1);
}
strcpy(send_buf,"ff0161\n");
ret = UART_Send(fd,send_buf,strlen(send_buf));
if(FALSE == ret){
printf("write error!\n");
exit(1);
}
printf("command: %s\n",send_buf);
memset(rcv_buf,0,sizeof(rcv_buf));
for(i=0;;i++)
{
ret = UART_Recv(fd, rcv_buf,512);
if( ret > 0){
rcv_buf[ret]='\0';
printf("%s",rcv_buf);
} else {
printf("cannot receive data1\n");
//break;
}
if('\n' == rcv_buf[ret-1]) break;
}
UART_Close(fd);
return 0;
}
int32_t main (void)
{
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("\nThis sample code demonstrate PWM channel 0 trigger ADC function\n");
/* Enable channel 5 */
ADC_Open(ADC, 0, 0, 0x01 << 5);
/* Power on ADC */
ADC_POWER_ON(ADC);
/* Enable PWM trigger */
ADC_EnableHWTrigger(ADC, ADC_TRIGGER_BY_PWM, ADC_FALLING_EDGE_TRIGGER);
/* Enable ADC convert complete interrupt */
ADC_EnableInt(ADC, ADC_ADIF_INT);
NVIC_EnableIRQ(ADC_IRQn);
/* PWM frequency is 100Hz, duty 30% */
PWM_ConfigOutputChannel(PWM, 0, 100, 30);
/* Enable output PWM channel 0 */
PWM_EnableOutput(PWM, 0x1);
/* Set PWM channel 0 to center-aligned mode */
PWM_SET_ALIGNED_TYPE(PWM, 0, PWM_CENTER_ALIGNED);
/* Enable PWM channel 0 center-triggered ADC */
PWM_EnableADCTrigger(PWM, 0, PWM_TRIGGER_ADC_CNTR_IS_CNR);
/* PWM Start */
PWM_Start(PWM, 0x1);
while(1);
}
int Timer_Delay_Example(void)
{
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("\nThis sample code use timer to create a small delay \n");
while(1) {
printf("Delay 1 second\n");
TIMER_Delay(TIMER0, 1000000);
}
}
int Timer_FreeCountingMode(void)
{
int volatile i;
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SysInit();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("\nThis sample code demonstrate timer free counting mode.\n");
printf("Please connect input source with Timer 0 capture pin PD.11, press any key to continue\n");
UART_GeyChar();
// Give a dummy target frequency here. Will over write capture resolution with macro
TIMER_Open(TIMER0, TIMER_PERIODIC_MODE, 1000000);
// Update prescale to set proper resolution.
// Timer 0 clock source is 12MHz, to set resolution to 1us, we need to
// set clock divider to 12. e.g. set prescale to 12 - 1 = 11
TIMER_SET_PRESCALE_VALUE(TIMER0, 11);
// Set compare value as large as possible, so don't need to worry about counter overrun too frequently.
TIMER_SET_CMP_VALUE(TIMER0, 0xFFFFFF);
// Configure Timer 0 free counting mode, capture TDR value on rising edge
TIMER_EnableCapture(TIMER0, TIMER_CAPTURE_FREE_COUNTING_MODE, TIMER_CAPTURE_RISING_EDGE);
// Start Timer 0
TIMER_Start(TIMER0);
// Enable timer interrupt
TIMER_EnableCaptureInt(TIMER0);
NVIC_EnableIRQ(TMR0_IRQn);
while(1);
}
int32_t main (void)
{
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SYS_Init();
/* Init UART0 for printf */
UART_Open(UART0, 115200);
printf("\nThis sample code demonstrate Timer 0 trigger DAC channel 0 function.\n");
// Enable DAC channel 0, trigger by Timer 0.
DAC_Open(DAC, 0, DAC_TIMER0_TRIGGER);
// Enable DAC0 interrupt. Enable interrupt for one channel is sufficient in group mode.
DAC_ENABLE_INT(DAC, 0);
NVIC_EnableIRQ(DAC_IRQn);
// Wait 'til both channels are ready
while(DAC_IS_BUSY(DAC, 0) == 1);
// Set timer frequency
TIMER_Open(TIMER0, TIMER_PERIODIC_MODE, 100);
// Enable Timer timeout event trigger DAC
TIMER_SetTriggerTarget(TIMER0, TIMER_CTL_DAC_TEEN_Msk);
// Write first data out. timer will 0 will trigger DAC update
DAC_WRITE_DATA(DAC, 0, a16Sine[index0]);
index0 = (index0 + 1) % SINE_ARRAY_SIZE;
// Start Timer 0
TIMER_Start(TIMER0);
while(1);
}
void Usart_Init(void)
{
/* Enable IP clock */
CLK_EnableModuleClock(UART3_MODULE);
/* Select IP clock source */
CLK_SetModuleClock(UART3_MODULE, CLK_CLKSEL1_UARTSEL_HIRC , CLK_CLKDIV0_UART(1));
/* Set GPD multi-function pins for UART3 RXD and TXD */
SYS->GPD_MFPL |= SYS_GPD_MFPL_PD4MFP_UART3_RXD | SYS_GPD_MFPL_PD5MFP_UART3_TXD ;
GPIO_SetMode(PD, 5, GPIO_MODE_OUTPUT);
GPIO_SetMode(PD, 4, GPIO_MODE_INPUT);
UART_Open(UART3, 9600);
// UART_DisableFlowCtrl(UART3);
//UART_SetLine_Config(UART3, 115200, UART_WORD_LEN_8,UART_PARITY_NONE,UART_STOP_BIT_1);
// UART_EnableInt(UART3, UART_INTEN_RDAIEN_Msk );
// NVIC_SetPriority(UART3_IRQn, 2 );
//NVIC_EnableIRQ(UART3_IRQn); //UART_INTEN_THREIEN_Msk
NVIC_DisableIRQ(UART3_IRQn);
UART_Write(UART3,"Usart3 init done!\r\n", sizeof("Usart3 init done!\r\n"));
}
int32_t main (void)
{
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART, 115200);
printf("\nThis sample code will output PWM channel 0 to with different\n");
printf("frequency and duty, enable dead zone function of all PWM pairs.\n");
printf("And also enable/disable PWM output every 1 second.\n");
// PWM0 frequency is 100Hz, duty 30%,
PWM_ConfigOutputChannel(PWM, 0, 100, 30);
PWM_EnableDeadZone(PWM, 0, 400);
// PWM2 frequency is 300Hz, duty 50%
PWM_ConfigOutputChannel(PWM, 2, 300, 50);
PWM_EnableDeadZone(PWM, 2, 200);
// PWM4 frequency is 500Hz, duty 70%
PWM_ConfigOutputChannel(PWM, 4, 600, 70);
PWM_EnableDeadZone(PWM, 4, 100);
// Enable output of all PWM channels
PWM_EnableOutput(PWM, 0x3F);
// Enable PWM channel 0 period interrupt, use channel 0 to measure time.
PWM_EnablePeriodInt(PWM, 0, 0);
NVIC_EnableIRQ(PWM_IRQn);
// Start
PWM_Start(PWM, 0x3F);
while(1);
}
/*---------------------------------------------------------------------------------------------------------*/
int32_t main (void)
{
/* Init System, IP clock and multi-function I/O */
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
/*
This sample code sets I2C bus clock to 100kHz. Then, Master accesses Slave with Byte Write
and Byte Read operations, and check if the read data is equal to the programmed data.
*/
printf("+-------------------------------------------------------+\n");
printf("| I2C Driver Sample Code(Master) for access Slave |\n");
printf("+-------------------------------------------------------+\n");
/* Init I2C3 */
I2C3_Init();
/* Access Slave with no address mask */
printf("\n");
printf(" == No Mask Address ==\n");
Read_Write_SLAVE(0x15);
Read_Write_SLAVE(0x35);
Read_Write_SLAVE(0x55);
Read_Write_SLAVE(0x75);
printf("SLAVE Address test OK.\n");
/* Access Slave with address mask */
printf("\n");
printf(" == Mask Address ==\n");
Read_Write_SLAVE(0x15 & ~0x01);
Read_Write_SLAVE(0x35 & ~0x04);
Read_Write_SLAVE(0x55 & ~0x01);
Read_Write_SLAVE(0x75 & ~0x04);
printf("SLAVE Address Mask test OK.\n");
while(1);
}
int main()
{
int8_t ch;
SYS_Init();
/* Init UART0 to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("Simple Demo Code\n\n");
printf("Please Input Any Key\n\n");
do
{
printf("Input: ");
ch = getchar();
printf("%c\n", ch);
}
while(1);
}
/*---------------------------------------------------------------------------------------------------------*/
int main()
{
uint32_t u32Key, i = 0;
/* Init System, IP clock and multi-function I/O */
SYS_Init();
/* Init Key and LED GPIO type */
GPIO_SetMode(PD, BIT3, GPIO_MODE_INPUT);
Initial_Key_Input();
Initial_LED();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("+-----------------------------------------+\n");
printf("| M451 UART Sample Code |\n");
printf("+-----------------------------------------+\n");
while(1)
{
/* Detect Key status */
u32Key = Get_Key_Input();
if(PD3 == 0)
{
LED_On(i);
printf("+----------------------------------+\n");
printf("| Standare printf function:%d |\n", i++);
printf("+----------------------------------+\n");
}
if(u32Key == 0x1)
{
LED_On(i);
printf_UART("+------------------------------+\n");
printf_UART("| Simple printf function:%d |\n", i--);
printf_UART("+------------------------------+\n");
}
}
}
int main(void)
{
/* Init System, IP clock and multi-function I/O */
SYS_Init(); //In the end of SYS_Init() will issue SYS_LockReg() to lock protected register. If user want to write protected register, please issue SYS_UnlockReg() to unlock protected register.
/* Configure UART and set UART Baudrate */
UART_Open(UART, 115200);
printf("+---------------------------------+\n");
printf("| Mini58 Toggle LED Sample |\n");
printf("+---------------------------------+\n");
/*set P1.5 to output mode */
GPIO_SetMode(P1, BIT5, GPIO_MODE_OUTPUT);
while(1)
{
P15 = 0;
delay_loop();
P15 = 1;
delay_loop();
}
}
int main(void)
{
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("\nThis sample code use timer to wake up system every 1 second \n");
/*Initial Timer0 to periodic mode with 1Hz */
TIMER_Open(TIMER0, TIMER_PERIODIC_MODE, 1);
/* Enable timer wake up system */
TIMER_EnableWakeup(TIMER0);
/* Enable Timer0 interrupt */
TIMER_EnableInt(TIMER0);
NVIC_EnableIRQ(TMR0_IRQn);
/* Start Timer0 counting */
TIMER_Start(TIMER0);
/* Unlock protected registers to let CPU enter power down mode */
SYS_UnlockReg();
while(1)
{
printf("Sleep 1 second\n");
// Wait 'til UART FIFO empty to get a cleaner console out
while(!UART_IS_TX_EMPTY(UART0));
CLK_PowerDown();
}
}
int32_t main (void)
{
/* Init System, IP clock and multi-function I/O
In the end of SYS_Init() will issue SYS_LockReg()
to lock protected register. If user want to write
protected register, please issue SYS_UnlockReg()
to unlock protected register if necessary */
SYS_Init();
/* Init UART0 for printf */
UART_Open(UART0, 115200);
printf("\nThis sample code demonstrate PDMA channel 1 trigger DAC channel 0 function.\n");
// Enable DAC channel 0, trigger by PDMA.
DAC_Open(DAC, 0, DAC_PDMA_TRIGGER);
// DAC clock is 42MHz, update DAC output every 5 us, the stable time is 42 * 5 clocks
DAC_SetDelayTime(DAC, 42 * 5);
// Wait 'til both channels are ready
while(DAC_IS_BUSY(DAC, 0) == 1);
/* Configure PDMA channel 1 to trigger DAC */
PDMA_Open(1 << 1);
PDMA_SetTransferCnt(1, PDMA_WIDTH_16, SINE_ARRAY_SIZE);
// Set source to wrap around mode to generate sine wave continuously
// Set destination to DAC DATA0 address.
PDMA_SetTransferAddr(1, (uint32_t)a16Sine, PDMA_SAR_WRA, (uint32_t)&DAC->DATA0, PDMA_DAR_FIX);
// Set channel 1 transfer mode to DAC channel 0 TX
PDMA_SetTransferMode(1, PDMA_DAC0_TX, 0, 0);
PDMA_Trigger(1);
while(1);
}
/*---------------------------------------------------------------------------------------------------------*/
I2C_Loopback (void)
{
uint32_t i;
/* Init System, IP clock and multi-function I/O */
SysInit();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
printf("+-------------------------------------------------------+\n");
printf("| Nano1x2 Series I2C Cross Test Sample Code |\n");
printf("+-------------------------------------------------------+\n");
printf(" I/O Configuration:\n");
printf(" SCK: GPC0 <--> GPC2\n");
printf(" SDA: GPC1 <--> GPC3\n");
printf("\n\n");
printf("..... Press a key to continue ...\n");
UART_GetChar();
/* Configure I2C0 as master and I2C1 as slave */
I2C0_Init();
I2C1_Init();
for (i = 0; i < 0x100; i++) {
g_u8SlvData[i] = 0;
}
/* I2C function to Slave receive/transmit data */
s_I2C1HandlerFn = (I2C_FUNC)I2C_SlaveTRx;
g_u8DeviceAddr = SLAVE_ADDRESS;
printf("Test Loop =>");
for (i = 0; i < 0x100; i++) {
printf("%d..", i);
g_au8MasterTxData[0] = (uint8_t)((i & 0xFF00) >> 8);
g_au8MasterTxData[1] = (uint8_t)(i & 0x00FF);
g_au8MasterTxData[2] = (uint8_t)(g_au8MasterTxData[1] + 3);
g_u8MasterDataLen = 0;
g_u8EndFlag = 0;
/* I2C function to write data to slave */
s_I2C0HandlerFn = (I2C_FUNC)I2C_MasterTx;
/* I2C as master sends START signal */
I2C_SET_CONTROL_REG(I2C0, I2C_STA);
/* Wait I2C Tx Finish */
while (g_u8EndFlag == 0);
g_u8EndFlag = 0;
/* I2C function to read data from slave */
s_I2C0HandlerFn = (I2C_FUNC)I2C_MasterRx;
g_u8MasterDataLen = 0;
g_u8DeviceAddr = SLAVE_ADDRESS;
/* I2C as master sends START signal */
I2C_SET_CONTROL_REG(I2C0, I2C_STA);
/* Wait I2C Rx Finish */
while (g_u8EndFlag == 0);
/* Compare Tx and Rx data */
if (g_u8MasterRxData != g_au8MasterTxData[2]) {
printf("I2C Byte Write/Read Failed, Data 0x%x\n", g_u8MasterRxData);
return -1;
}
printf("[OK]\n");
}
printf("\nTest Completely !!\n");
while(1);
}
