void
acc_init (uint8_t enabled)
{
/* PIO, PIO0_4 in standard IO functionality */
LPC_IOCON->PIO0_4 = 1 << 8;
/* setup SPI chipselect pin */
spi_init_pin (SPI_CS_ACC3D);
/* PIO, Inactive Pull, Digital Mode */
LPC_IOCON->PIO1_11 = 0x80;
GPIOSetDir (1, 11, 0);
/* propagate power settings */
acc_power (enabled);
}
void
nRFCMD_Init (void)
{
/* setup SPI chipselect pin */
spi_init_pin (SPI_CS_NRF);
/* setup IOs */
LPC_IOCON->PIO1_9 = 0;
GPIOSetDir (RF_IRQ_CPU_PORT, RF_IRQ_CPU_PIN, 0);
NVIC_EnableIRQ (WAKEUP_PIO1_9_IRQn);
LPC_SYSCON->STARTAPRP0 = (LPC_SYSCON->STARTAPRP0 & ~STARTxPRP0_PIO1_9);
LPC_SYSCON->STARTRSRP0CLR = STARTxPRP0_PIO1_9;
LPC_SYSCON->STARTERP0 |= STARTxPRP0_PIO1_9;
LPC_IOCON->JTAG_TDI_PIO0_11 = 0x81;
GPIOSetDir (CPU_CE_RF_PORT, CPU_CE_RF_PIN, 1);
GPIOSetValue (CPU_CE_RF_PORT, CPU_CE_RF_PIN, 0);
LPC_IOCON->PIO0_2 = 0;
GPIOSetDir (CPU_SWITCH_RF_PORT, CPU_SWITCH_RF_PIN, 1);
GPIOSetValue (CPU_SWITCH_RF_PORT, CPU_SWITCH_RF_PIN, 0);
}
int
main (void)
{
double t;
int i, word, x, y;
const TWordPos *w;
TRGB color, *p;
/* Initialize GPIO (sets up clock) */
GPIOInit ();
/* Set LED port pin to output */
GPIOSetDir (LED_PORT, LED_PIN0, 1);
GPIOSetValue (LED_PORT, LED_PIN0, LED_OFF);
/* Init Power Management Routines */
pmu_init ();
/* setup SPI chipselect pin */
spi_init ();
spi_init_pin (SPI_CS_RGB);
/* transmit image */
t = 0;
word = 0;
while(1)
{
/* set background to red */
memset(g_data, g_cie[0x00], sizeof(g_data));
for(y=0; y<LED_Y; y++)
for(x=0; x<LED_X; x++)
{
g_data[y][x].r = g_cie[0x16];
g_data[y][x].g = g_cie[0x0B];
}
/* get next word */
i = g_sentence[word/DELAY];
word++;
if(word>=(WORD_COUNT*DELAY))
word=0;
if(i>=0)
{
w = &g_words[i];
for(i=0; i<w->length; i++)
{
/* word coordinates */
x = w->x + i;
y = w->y;
/* update color */
color.r = (sin( x*0.1+cos(y*0.1+t))*CIE_MAX_INDEX2)+CIE_MAX_INDEX2;
color.g = (cos(-y*0.2-sin(x*0.3-t))*CIE_MAX_INDEX2)+CIE_MAX_INDEX2;
color.b = (cos( x*0.5-cos(y*0.4+t))*CIE_MAX_INDEX2)+CIE_MAX_INDEX2;
p = &g_data[y][x];
p->r = g_cie[color.r];
p->g = g_cie[color.g];
p->b = g_cie[color.b];
}
}
/* send data */
update_leds();
pmu_wait_ms(1);
t+=0.01;
}
}
int
main (void)
{
int t, firstrun;
volatile int i;
/* Initialize GPIO (sets up clock) */
GPIOInit ();
/* initialize pins */
pin_init ();
/* setup SPI chipselect pins */
spi_init_pin (SPI_CS_NRF);
/* blink as a sign of boot to detect crashes */
for (t = 0; t < 10; t++)
{
pin_led (GPIO_LED0);
for (i = 0; i < 100000; i++);
pin_led (GPIO_LEDS_OFF);
for (i = 0; i < 100000; i++);
}
/* Init USB HID interface */
hid_init ();
/* Init SPI */
spi_init ();
/* Init OpenBeacon nRF24L01 interface */
nRFAPI_Init (81, broadcast_mac, sizeof (broadcast_mac), 0);
/* Init 3D acceleration sensor */
acc_init ();
/* Init Storage */
storage_init ();
/* Init Bluetooth */
bt_init ();
/* main loop */
t = 0;
firstrun = 1;
while (1)
{
/* blink LED0 on every 32th run - FIXME later with sleep */
if ((t++ & 0x1F) == 0)
{
pin_led (GPIO_LED0);
for (i = 0; i < 100000; i++);
pin_led (GPIO_LEDS_OFF);
}
for (i = 0; i < 200000; i++);
if (UARTCount)
{
/* blink LED1 upon Bluetooth command */
pin_led (GPIO_LED1);
/* show help screen upon Bluetooth connect */
if (firstrun)
{
debug_printf ("press 'H' for help...\n# ");
firstrun = 0;
}
else
/* execute menue command with last character received */
main_menue (UARTBuffer[UARTCount - 1]);
/* LED1 off again */
pin_led (GPIO_LEDS_OFF);
/* clear UART buffer */
UARTCount = 0;
}
}
}
void
storage_init (void)
{
/* setup SPI chipselect pin */
spi_init_pin (SPI_CS_FLASH);
}
