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add button read to board_test example

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This commit is contained in:
hathach 2019-08-31 17:39:47 +07:00
parent b7dbc98ab1
commit c70c61ce26
2 changed files with 28 additions and 33 deletions
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45
examples/device/board_test/src/main.c
View File

@ -34,45 +34,34 @@
//--------------------------------------------------------------------+
/* Blink pattern
* - 250 ms : device not mounted
* - 1000 ms : device mounted
* - 2500 ms : device is suspended
* - 250 ms : button is not pressed
* - 1000 ms : button is pressed (and hold)
*/
enum {
BLINK_NOT_MOUNTED = 250,
BLINK_MOUNTED = 1000,
BLINK_SUSPENDED = 2500,
BLINK_PRESSED = 250,
BLINK_UNPRESSED = 1000
};
static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
void led_blinking_task(void);
/*------------- MAIN -------------*/
int main(void)
{
board_init();
uint32_t start_ms = 0;
bool led_state = false;
while (1)
{
led_blinking_task();
uint32_t interval_ms = board_button_read() ? BLINK_PRESSED : BLINK_UNPRESSED;
// Blink every interval ms
if ( !(board_millis() - start_ms < interval_ms) )
{
start_ms = board_millis();
board_led_write(led_state);
led_state = 1 - led_state; // toggle
}
}
return 0;
}
//--------------------------------------------------------------------+
// BLINKING TASK
//--------------------------------------------------------------------+
void led_blinking_task(void)
{
static uint32_t start_ms = 0;
static bool led_state = false;
// Blink every interval ms
if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time
start_ms += blink_interval_ms;
board_led_write(led_state);
led_state = 1 - led_state; // toggle
}

16
hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c
View File

@ -53,10 +53,17 @@ void board_init(void)
NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
#endif
// LED
gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0, };
GPIO_PortInit(GPIO, LED_PORT);
GPIO_PortInit(GPIO, BUTTON_PORT);
// LED
gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 0};
GPIO_PinInit(GPIO, LED_PORT, LED_PIN, &led_config);
board_led_write(true);
// Button
gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0};
GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config);
}
//--------------------------------------------------------------------+
@ -71,8 +78,7 @@ void board_led_write(bool state)
uint32_t board_button_read(void)
{
// active low
// return Chip_GPIO_GetPinState(LPC_GPIO, BUTTON_PORT, BUTTON_PIN) ? 0 : 1;
return 0;
return 1-GPIO_PinRead(GPIO, BUTTON_PORT, BUTTON_PIN);
}
int board_uart_read(uint8_t* buf, int len)
@ -91,7 +97,7 @@ int board_uart_write(void const * buf, int len)
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler (void)
void SysTick_Handler(void)
{
system_ticks++;
}