| 0,0 → 1,63 |
|---|
| #include "91x_lib.h" |
| #include "led.h" |
| |
| u8 Version_HW = 0; |
| u8 Led_Grn_Inv = 0; |
| u8 Led_Red_Inv = 0; |
| |
| void Led_Init(void) |
| { |
| u8 p5; |
| u16 i; |
| GPIO_InitTypeDef GPIO_InitStructure; |
| |
| SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
| |
| /*Configure LED_GRN at pin GPIO5.6 and LED_RED at pin GPIO5.7 as output*/ |
| GPIO_StructInit(&GPIO_InitStructure); |
| GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
| GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; |
| GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
| GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
| GPIO_Init(GPIO5, &GPIO_InitStructure); |
| // set both ports low |
| GPIO_WriteBit(GPIO5, GPIO_Pin_6, Bit_RESET); |
| GPIO_WriteBit(GPIO5, GPIO_Pin_7, Bit_RESET); |
| |
| // Check LED Polarity |
| /*Configure LED_GRN at pin GPIO5.6 and LED_RED at pin GPIO5.7 as input*/ |
| GPIO_StructInit(&GPIO_InitStructure); |
| GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
| GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; |
| GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
| GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
| GPIO_Init(GPIO5, &GPIO_InitStructure); |
| |
| // get polarity of LED ports |
| for(i=0;i<500;i++) p5 = GPIO_Read(GPIO5); |
| Led_Grn_Inv = 0x01 & (p5>>6); |
| Led_Red_Inv = 0x01 & (p5>>7); |
| |
| /*Configure LED_GRN at pin GPIO5.6 and LED_RED at pin GPIO5.7 as output*/ |
| GPIO_StructInit(&GPIO_InitStructure); |
| GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
| GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; |
| GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
| GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
| GPIO_Init(GPIO5, &GPIO_InitStructure); |
| |
| LED_GRN_OFF; |
| LED_RED_OFF; |
| |
| if(Led_Grn_Inv) |
| { |
| if(Led_Red_Inv) Version_HW = 30; //future use |
| else Version_HW = 20; // NC 2.0 |
| } |
| else |
| { |
| if(Led_Red_Inv) Version_HW = 40; // future use |
| else Version_HW = 11; // NC 1.x |
| } |
| |
| } |