/* Initializes board Button(s) */
static void Board_BTN_Init(void)
{
pinmux_t buttons[] = { ONBOARD_BTNS };
Chip_GPIO_Init(LPC_GPIO_PORT);
for (int i = 0; i < (sizeof(buttons)/sizeof(buttons[0])); i++)
{
Chip_GPIO_SetPinDIRInput(LPC_GPIO_PORT, TO_PORT(buttons[i]), TO_PIN(buttons[i]));
}
}
/* Initializes board LED(s) */
static void Board_LED_Init(void)
{
pinmux_t leds[] = { ONBOARD_LEDS };
Chip_GPIO_Init(LPC_GPIO_PORT);
for (int i = 0; i < (sizeof(leds)/sizeof(leds[0])); i++)
{
Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, TO_PORT(leds[i]), TO_PIN(leds[i]));
}
}
void BOARD_assert(const char *file, const int line)
{
/* NOTE: If LED 24 (the one next to power supply connector) blinks,
* it means that your application has some serious issues */
/* IOCON and GPIO doesn't have to be enabled at this point */
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_IOCON);
Chip_GPIO_Init(LPC_GPIO_PORT);
/* set mux and output direction */
Chip_IOCON_PinMuxSet(LPC_IOCON, TO_PORT(ONBOARD_ASSERT_LED), TO_PIN(ONBOARD_ASSERT_LED), ONBOARDCFG_ASSERT_LED);
Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, TO_PORT(ONBOARD_ASSERT_LED), TO_PIN(ONBOARD_ASSERT_LED));
/* blink forever. the speed depends on core clock settings */
for (volatile int i = 1; i; )
{
Board_LED_SetLevel(ONBOARD_ASSERT_LED, true);
for (volatile int k = 500000; k; k--) __asm("nop");
Board_LED_SetLevel(ONBOARD_ASSERT_LED, false);
for (volatile int k = 500000; k; k--) __asm("nop");
}
}
/* Get the GPIO level of board Button */
bool Board_BTN_GetLevel(pinmux_t pinmux)
{
return Chip_GPIO_ReadPortBit(LPC_GPIO_PORT, TO_PORT(pinmux), TO_PIN(pinmux));
}
/* Set the GPIO level of board LED */
void Board_LED_SetLevel(pinmux_t pinmux, bool high)
{
Chip_GPIO_WriteDirBit(LPC_GPIO_PORT, TO_PORT(pinmux), TO_PIN(pinmux), high);
}
int gpio_get(int pin)
{
return MAP_GPIOPinRead(TO_BASE(pin), TO_PIN(pin));
}
void gpio_set(int pin, int value)
{
value = !!value;
MAP_GPIOPinWrite(TO_BASE(pin), TO_PIN(pin), (value << TO_PIN(pin)));
}