int main()
{
CLEAR_WRITE();
SET_STOPMOTOR();
CLEAR_SCANMEDIA();
CLEAR_MEDIASET();
CLEAR_READY();
//setup led and button gpio
GPIO_SetMode(LED_G_PORT, LED_G_PIN, GPIO_PMD_OUTPUT);
GPIO_SetMode(LED_R_PORT, LED_R_PIN, GPIO_PMD_OUTPUT);
GPIO_SetMode(SWITCH_PORT, SWITCH_PIN, GPIO_PMD_INPUT);
GPIO_SetMode(IRDATA_PORT, IRDATA_PIN, GPIO_PMD_INPUT);
LED_GREEN(0);
LED_RED(1);
detect_board_version();
/* Unlock protected registers */
SYS_UnlockReg();
SYS_Init();
/* Lock protected registers */
SYS_LockReg();
UART0_Init();
SPI_Init();
TIMER_Open(TIMER0, TIMER_CONTINUOUS_MODE, 6000000);
TIMER_Open(TIMER1, TIMER_PERIODIC_MODE, TRANSFER_RATE * 2);
TIMER_Open(TIMER3, TIMER_PERIODIC_MODE, TRANSFER_RATE * 2);
TIMER_EnableInt(TIMER1);
TIMER_EnableInt(TIMER3);
/* Open USB controller */
USBD_Open(&gsInfo, HID_ClassRequest, NULL);
/* Init Endpoint configuration for HID */
HID_Init();
/* Start USB device */
USBD_Start();
/* Enable USB device interrupt */
NVIC_EnableIRQ(USBD_IRQn);
LED_GREEN(1);
LED_RED(0);
printf("\n\nnuc123-fdsemu v%d.%02d build %d started. Compiled on "__DATE__" at "__TIME__"\n",version / 100,version % 100,BUILDNUM);
printf("--CPU @ %0.3f MHz\n", (double)SystemCoreClock / 1000000.0f);
printf("--SPI0 @ %0.3f MHz\n", (double)SPI_GetBusClock(SPI0) / 1000000.0f);
printf("--SPI1 @ %0.3f MHz\n", (double)SPI_GetBusClock(SPI1) / 1000000.0f);
printf("--Detected board version: %d (config = %d %d %d)\n", boardver,PA12,PA13,PA14);
NVIC_SetPriority(USBD_IRQn,2);
NVIC_SetPriority(TMR1_IRQn,1);
NVIC_SetPriority(TMR2_IRQn,0);
NVIC_SetPriority(TMR3_IRQn,0);
NVIC_SetPriority(GPAB_IRQn,0);
NVIC_SetPriority(EINT0_IRQn,0);
flash_init();
sram_init();
fds_init();
print_block_info(0);
while(1) {
if(havepacket) {
havepacket = 0;
// process_send_feature(epdata,64);
}
console_tick();
fds_tick();
}
}
int main(void)
{
uint32_t u32DataCount, u32TestCount, u32Err;
/* Init System, IP clock and multi-function I/O */
SYS_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
/* Configure SPI0 as a master, MSB first, 32-bit transaction, SPI Mode-0 timing, clock is 2MHz */
SPI_Open(SPI0, SPI_MASTER, SPI_MODE_0, 32, 2000000);
/* Enable the automatic hardware slave select function. Select the SPI0_SS0 pin and configure as low-active. */
SPI_EnableAutoSS(SPI0, SPI_SS0, SPI_SS_ACTIVE_LOW);
/* Configure SPI1 as a slave, MSB first, 32-bit transaction, SPI Mode-0 timing, clock is 4Mhz */
SPI_Open(SPI1, SPI_SLAVE, SPI_MODE_0, 32, 4000000);
/* Configure SPI1 as a low level active device. */
SPI_SET_SS0_LOW(SPI1);
printf("\n\n");
printf("+----------------------------------------------------------------------+\n");
printf("| SPI Driver Sample Code |\n");
printf("+----------------------------------------------------------------------+\n");
printf("\n");
printf("Configure SPI0 as a master and SPI1 as a slave.\n");
printf("Data width of a transaction: 32\n");
printf("SPI clock rate: %d Hz\n", SPI_GetBusClock(SPI0));
printf("The I/O connection for SPI0/SPI1 loopback:\n");
printf(" SPI0_SS (PE.4) <--> SPI1_SS(PC.12)\n SPI0_CLK(PE.5) <--> SPI1_CLK(PD.1)\n");
printf(" SPI0_MISO(PE.2) <--> SPI1_MISO(PD.0)\n SPI0_MOSI(PE.3) <--> SPI1_MOSI(PC.15)\n\n");
printf("Please connect SPI0 with SPI1, and press any key to start transmission ...");
getchar();
printf("\n");
printf("\nSPI0/1 Loopback test ");
/* Enable the SPI1 unit transfer interrupt. */
SPI_EnableInt(SPI1, SPI_UNITIEN_MASK);
NVIC_EnableIRQ(SPI1_IRQn);
SPI_TRIGGER(SPI1);
u32Err = 0;
for(u32TestCount=0; u32TestCount<10000; u32TestCount++) {
/* set the source data and clear the destination buffer */
for(u32DataCount=0; u32DataCount<TEST_COUNT; u32DataCount++) {
g_au32SourceData[u32DataCount] = u32DataCount;
g_au32DestinationData[u32DataCount] = 0;
}
u32DataCount=0;
SPI1_INT_Flag = 0;
if((u32TestCount&0x1FF) == 0) {
putchar('.');
}
SPI_TRIGGER(SPI0);
/* write the first data of source buffer to Tx register of SPI0. And start transmission. */
SPI_WRITE_TX(SPI0, g_au32SourceData[0]);
while(1) {
if(SPI1_INT_Flag==1) {
SPI1_INT_Flag = 0;
if(u32DataCount<(TEST_COUNT-1)) {
/* Read the previous retrieved data and trigger next transfer. */
g_au32DestinationData[u32DataCount] = SPI_READ_RX(SPI1);
u32DataCount++;
/* Write data to SPI0 Tx buffer and trigger the transfer */
SPI_WRITE_TX(SPI0, g_au32SourceData[u32DataCount]);
} else {
/* Just read the previous retrieved data but trigger next transfer, because this is the last transfer. */
g_au32DestinationData[u32DataCount] = SPI_READ_RX(SPI1);
break;
}
}
}
/* Check the received data */
for(u32DataCount=0; u32DataCount<TEST_COUNT; u32DataCount++) {
if(g_au32DestinationData[u32DataCount]!=g_au32SourceData[u32DataCount])
u32Err = 1;
}
if(u32Err)
break;
}
/* Disable the SPI1 unit transfer interrupt. */
SPI_DisableInt(SPI1, SPI_UNITIEN_MASK);
NVIC_DisableIRQ(SPI1_IRQn);
if(u32Err)
printf(" [FAIL]\n\n");
else
printf(" [PASS]\n\n");
printf("\n\nExit SPI driver sample code.\n");
while(1);
}
