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/* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* THE AUTHORS SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. USE IT AT YOUR OWN RISK */
#include <LPC17xx.h>
//#define SPI
#define IRQ_BLINKY
//#define BLINKY
#ifdef DMA
#include "dac.h"
#include "sample.h"
int main (void)
{
dac_init();
// int i = 0;
while(1) {
//fiprintf(stderr, "Play #%d: %d samples\n\r", i++, sizeof(samples) / sizeof(short));
dac_play_samples(samples, sizeof(samples) / sizeof(short));
}
return 0;
}
#endif
volatile uint32_t temp;
void _delay(uint32_t del);
#ifdef IRQ_BLINKY
volatile int resume = 0;
void TIMER0_IRQHandler (void)
{
LPC_TIM0->IR = 1; /* clear interrupt flag */
resume = 1 - resume;
//timer0_counter++;
return;
}
int main (void)
{
LPC_SC->PCONP |= ( 1 << 15 ); // power up GPIO
LPC_GPIO1->FIODIR |= 1 << 29; // puts P1.29 into output mode.
int delayInMs = 1000;
// Enable timer interrupts
LPC_TIM0->MR0 = delayInMs * (9000000 / 1000-1); // interval
LPC_TIM0->MCR = 3; // Interrupt and Reset on MR0
NVIC_EnableIRQ(TIMER0_IRQn);
LPC_TIM0->TCR = 1;
while(1) {
LPC_GPIO1->FIOPIN |= 1 << 29; // make P1.29 high
while(resume == 0) __WFI();
LPC_GPIO1->FIOPIN &= ~( 1 << 29 ); // make P1.29 low
while(resume == 1) __WFI();
}
return 0;
}
#endif
#ifdef BLINKY
int main (void)
{
LPC_SC->PCONP |= ( 1 << 15 ); // power up GPIO
LPC_GPIO1->FIODIR |= 1 << 29; // puts P1.29 into output mode.
while(1)
{
LPC_GPIO1->FIOPIN |= 1 << 29; // make P1.29 high
_delay( 1 << 24 );
LPC_GPIO1->FIOPIN &= ~( 1 << 29 ); // make P1.29 low
_delay( 1 << 24 );
}
return 0;
}
#endif
#ifdef UART
#include "LPC17xx.h"
#include <stdint.h>
#include "uart.h"
int main (void)
{
/* SystemClockUpdate() updates the SystemFrequency variable */
// SystemCoreClockUpdate();//SystemClockUpdate();
UARTInit(0, 115200); /* baud rate setting */
// UARTInit(1, 8000); /* baud rate setting */
LPC_SC->PCONP |= ( 1 << 15 ); // power up GPIO
LPC_GPIO1->FIODIR |= 1 << 29; // puts P1.29 into output mode.
while (1) {
LPC_GPIO1->FIOPIN |= 1 << 29; // make P1.29 high
//LPC_UART0->IER = IER_THRE | IER_RLS; // Disable RBR
UARTSend(0, (uint8_t *)"hello\n\r", 7);
//LPC_UART0->IER = IER_THRE | IER_RLS | IER_RBR; // Re-enable RBR
_delay( 1 << 22 );
///
LPC_GPIO1->FIOPIN &= ~( 1 << 29 ); // make P1.29 low
/*
LPC_UART0->IER = IER_THRE | IER_RLS; // Disable RBR
UARTSend( 0, (uint8_t *)"l", 1);
LPC_UART0->IER = IER_THRE | IER_RLS | IER_RBR; // Re-enable RBR
*/
_delay( 1 << 22 );
}
}
#endif
#ifdef SPI
#include <cli.h>
#include <wm8523.h>
#include <led.h>
int main (void)
{
// SystemCoreClockUpdate();
// SystemInit();
LED_Init();
cli_init();
cli_write("init");
_delay(1 << 22);
WM8523_init();
cli_write("pre");
_delay(1 << 22);
WM8523_configure();
cli_write("post");
}
#endif
void _delay(uint32_t del)
{
uint32_t i;
for(i=0;i<del;i++)
temp = i;
}
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