ported pca10059

hw/bsp/pca10056/pca10056.c

@@ -38,10 +38,11 @@
 /*------------------------------------------------------------------*/
 /* MACRO TYPEDEF CONSTANT ENUM
  *------------------------------------------------------------------*/
-#define LED_PIN         13
-#define LED_STATE_ON    0
+#define LED_PIN               13
+#define LED_STATE_ON          0
 
-#define BUTTON_PIN      11
+#define BUTTON_PIN            11
+#define BUTTON_STATE_ACTIVE   0
 
 // tinyusb function that handles power event (detected, ready, removed)
 // We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled.
@@ -49,8 +50,11 @@ extern void tusb_hal_nrf_power_event(uint32_t event);
 
 void board_init(void)
 {
-  // Config clock source: XTAL or RC in sdk_config.h
-  NRF_CLOCK->LFCLKSRC = (uint32_t)((CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos) & CLOCK_LFCLKSRC_SRC_Msk);
+  // stop LF clock just in case we jump from application without reset
+  NRF_CLOCK->TASKS_LFCLKSTOP = 1UL;
+
+  // Use Internal OSC to compatible with all boards
+  NRF_CLOCK->LFCLKSRC = CLOCK_LFCLKSRC_SRC_RC;
   NRF_CLOCK->TASKS_LFCLKSTART = 1UL;
 
   // LED
@@ -116,8 +120,7 @@ void board_led_write(bool state)
 
 uint32_t board_button_read(void)
 {
-  // button is active LOW
-  return (nrf_gpio_pin_read(BUTTON_PIN) ? 0 : 1);
+  return BUTTON_STATE_ACTIVE == nrf_gpio_pin_read(BUTTON_PIN);
 }
 
 int board_uart_read(uint8_t* buf, int len)