btn: add entering power-off mode

1 files changed, 47 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index ef4bfc7..6110e2a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -87,6 +87,52 @@ void draw_testfb()
 	}

 }

 

+void poweroff()

+{

+	// Stop wasting energy

+	GPIOA_ModeCfg(GPIO_Pin_All, GPIO_ModeIN_Floating);

+	GPIOB_ModeCfg(GPIO_Pin_All, GPIO_ModeIN_Floating);

+

+	// Configure wake-up

+	GPIOA_ModeCfg(KEY1_PIN, GPIO_ModeIN_PD);

+	GPIOA_ITModeCfg(KEY1_PIN, GPIO_ITMode_RiseEdge);

+	PFIC_EnableIRQ(GPIO_A_IRQn);

+	PWR_PeriphWakeUpCfg(ENABLE, RB_SLP_GPIO_WAKE, Long_Delay);

+

+	/* Good bye */

+	LowPower_Shutdown(0);

+}

+

+void handle_mode_transition()

+{

+	static int prev_mode;

+	if (prev_mode == mode) return;

+

+	switch (mode)

+	{

+	case DOWNLOAD:

+		// Disable fb transition while in download mode

+		btn_onOnePress(KEY2, NULL);

+

+		// Take control of the current fb to display 

+		// the Bluetooth animation

+		while (mode == DOWNLOAD) {

+			/* Animation and Bluetooth will be placed here */

+		}

+		// If not being flashed, pressing KEY1 again will 

+		// make the badge goes off:

+		

+		// fallthrough

+	case POWER_OFF:

+		poweroff();

+		break;

+	

+	default:

+		break;

+	}

+	prev_mode = mode;

+}

+

 int main()

 {

 	SetSysClock(CLK_SOURCE_PLL_60MHz);

@@ -114,6 +160,7 @@ int main()
 			}

 			DelayMs(200);

 		}

+		handle_mode_transition();

     }

 }