int fpu_post_test (int flags)
{
int fpu = fpu_status ();
int ret = 0;
WATCHDOG_RESET ();
if (!fpu)
fpu_enable ();
if (ret == 0)
ret = fpu_post_test_math1 ();
if (ret == 0)
ret = fpu_post_test_math2 ();
if (ret == 0)
ret = fpu_post_test_math3 ();
if (ret == 0)
ret = fpu_post_test_math4 ();
if (ret == 0)
ret = fpu_post_test_math5 ();
if (ret == 0)
ret = fpu_post_test_math6 ();
if (ret == 0)
ret = fpu_post_test_math7 ();
if (!fpu)
fpu_disable ();
WATCHDOG_RESET ();
return ret;
}
int main(void)
{
fpu_enable();
system_init();
pll_start(CRYSTAL, FREQUENCY);
gpio_pin_cfg(GPIOD, 12, GPIO_OUT_PP_25MHz);
gpio_pin_cfg(GPIOD, 13, GPIO_OUT_PP_25MHz);
gpio_pin_cfg(GPIOD, 14, GPIO_OUT_PP_25MHz);
gpio_pin_cfg(GPIOD, 15, GPIO_OUT_PP_25MHz);
USBD_Init(&USB_Dev, USB_OTG_FS_CORE_ID, &USR_desc, &AUDIO_cb, &USR_cb);
while(1);
}
/**
* \brief This is the code that gets called on processor reset.
* To initialize the device, and call the main() routine.
*/
void Reset_Handler(void)
{
uint32_t *pSrc, *pDest;
/* Initialize the relocate segment */
pSrc = &_etext;
pDest = &_srelocate;
if (pSrc > pDest) {
/* Copy segment block from beginning to end */
for (; pDest < &_erelocate;) {
*pDest++ = *pSrc++;
}
} else if (pSrc < pDest) {
/* Copy segment block from end to beginning */
uint32_t bytes_relocate = (uint32_t)&_erelocate - (uint32_t)&_srelocate;
pSrc = (uint32_t*)((uint32_t)pSrc + bytes_relocate) - 1;
pDest = (uint32_t*)((uint32_t)pDest + bytes_relocate) - 1;
for (; bytes_relocate; bytes_relocate -= 4) {
*pDest-- = *pSrc--;
}
}
/* Clear the zero segment */
for (pDest = &_szero; pDest < &_ezero;) {
*pDest++ = 0;
}
/* Set the vector table base address */
pSrc = (uint32_t *) & _sfixed;
SCB->VTOR = (uint32_t)pSrc;
#if __FPU_USED
/* Enable FPU */
fpu_enable();
#endif
/* Initialize the C library */
__libc_init_array();
/* Branch to main function */
main();
/* Infinite loop */
while (1);
}
int main(void)
{
SystemInit();
////////////////// SPI2 - SD
fpu_enable();
delay_init( 168 );
SPI_SD_Init();
//////////////////
RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_RNG, ENABLE); //rng
RNG_Cmd(ENABLE); //switch on
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); //button
InitEXTIButtonPA0();//accept
InitEXTIButtonPA1();//up
InitEXTIButtonPA2();//right
InitEXTIButtonPA3();//down
InitEXTIButtonPA4();//left
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); //timer
ConfTim2();
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); //timer
ConfTim3(350); //init with start_value game period
SetSnakeSpeed(3);
PCD8544_Init(0x38); //Initialize LCD with 0x38 software contrast
////////////////////////////////////////////
DrawBitMap(SnakeBitMap);
PCD8544_Refresh();
WaitForAcceptButton();
PCD8544_Clear();
MainMenu();
while (1)
{
}
}
int main(void)
{
volatile uint32_t count, count_max = 10000000;
fpu_enable();
pll_start(CRYSTAL, FREQUENCY);
LPC_GPIO_PORT->DIR[LED_GPIO] |= LED; // configure GPIO pin as output
while (1)
{
for (count = 0; count < count_max; count++); // delay
LED_bb = 1;
for (count = 0; count < count_max; count++); // delay
LED_bb = 0;
}
return 0;
}
/*
* An "unofficial" function (not exposed in any header)
* that performs initialization of MCU's peripherals.
*
* It should only be called from the startup routine before
* the execution is passed to a user application
* (typically started in main().)
*/
void _init(void)
{
/* Initializes the MCU revision number: */
sysctl_mcuRevision();
/* Configure system clock frequency to 50 MHz (default) */
sysctl_configSysClock(APP_SYS_CLOCK_DIV);
/* Depending on configuration, enable GPIO AHB mode: */
if ( 0 != APP_GPIO_AHB )
{
_sysctl_enableGpioAhb();
}
/* Enable/disable FPU: */
if ( 0 != APP_FPU_ENABLE )
{
fpu_enable();
/* Enable/disable lazy stacking of FPU's registers */
if ( 0 != APP_FPU_LAZY_STACKING )
{
fpu_enableLazyStacking();
}
else
{
fpu_enableStacking();
}
}
else
{
fpu_disable();
}
/*
* Initialize the tables of GPIO and
* watchdog interrupt handlers.
*/
_gpio_initIntHandlers();
_wd_initIntHandlers();
}
/**
* \brief This is the code that gets called on processor reset.
* To initialize the device, and call the main() routine.
*/
void Reset_Handler(void)
{
uint32_t *pSrc, *pDest;
/* Initialize the relocate segment */
pSrc = &_etext;
pDest = &_srelocate;
if (pSrc != pDest) {
for (; pDest < &_erelocate;) {
*pDest++ = *pSrc++;
}
}
/* Clear the zero segment */
for (pDest = &_szero; pDest < &_ezero;) {
*pDest++ = 0;
}
/* Set the vector table base address */
pSrc = (uint32_t *) & _sfixed;
SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk);
#if __FPU_USED
fpu_enable();
#endif
if (((uint32_t) pSrc >= IRAM_ADDR) && ((uint32_t) pSrc < IRAM_ADDR + IRAM_SIZE)) {
SCB->VTOR |= 1 << SCB_VTOR_TBLBASE_Pos;
}
/* Initialize the C library */
__libc_init_array();
/* Branch to main function */
main();
/* Infinite loop */
while (1);
}
