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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 41 | ingob | 1 | #include "91x_lib.h" |
| 2 | #include "led.h" |
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| 3 | |||
| 264 | killagreg | 4 | u8 Version_HW = 0; |
| 5 | u8 Led_Grn_Inv = 0; |
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| 6 | u8 Led_Red_Inv = 0; |
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| 7 | |||
| 41 | ingob | 8 | void Led_Init(void) |
| 9 | { |
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| 264 | killagreg | 10 | u8 p5; |
| 11 | u16 i; |
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| 12 | GPIO_InitTypeDef GPIO_InitStructure; |
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| 41 | ingob | 13 | |
| 264 | killagreg | 14 | SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
| 15 | |||
| 16 | /*Configure LED_GRN at pin GPIO5.6 and LED_RED at pin GPIO5.7 as output*/ |
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| 41 | ingob | 17 | GPIO_StructInit(&GPIO_InitStructure); |
| 264 | killagreg | 18 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
| 19 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; |
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| 20 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
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| 21 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
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| 22 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
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| 23 | // set both ports low |
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| 24 | GPIO_WriteBit(GPIO5, GPIO_Pin_6, Bit_RESET); |
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| 25 | GPIO_WriteBit(GPIO5, GPIO_Pin_7, Bit_RESET); |
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| 26 | |||
| 27 | // Check LED Polarity |
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| 28 | /*Configure LED_GRN at pin GPIO5.6 and LED_RED at pin GPIO5.7 as input*/ |
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| 29 | GPIO_StructInit(&GPIO_InitStructure); |
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| 30 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
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| 31 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; |
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| 32 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
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| 33 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
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| 34 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
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| 35 | |||
| 36 | // get polarity of LED ports |
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| 37 | for(i=0;i<500;i++) p5 = GPIO_Read(GPIO5); |
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| 38 | Led_Grn_Inv = 0x01 & (p5>>6); |
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| 39 | Led_Red_Inv = 0x01 & (p5>>7); |
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| 40 | |||
| 41 | /*Configure LED_GRN at pin GPIO5.6 and LED_RED at pin GPIO5.7 as output*/ |
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| 42 | GPIO_StructInit(&GPIO_InitStructure); |
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| 43 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
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| 44 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; |
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| 45 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
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| 46 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
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| 47 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
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| 48 | |||
| 41 | ingob | 49 | LED_GRN_OFF; |
| 264 | killagreg | 50 | LED_RED_OFF; |
| 41 | ingob | 51 | |
| 264 | killagreg | 52 | if(Led_Grn_Inv) |
| 53 | { |
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| 54 | if(Led_Red_Inv) Version_HW = 30; //future use |
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| 55 | else Version_HW = 20; // NC 2.0 |
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| 56 | } |
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| 57 | else |
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| 58 | { |
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| 59 | if(Led_Red_Inv) Version_HW = 40; // future use |
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| 60 | else Version_HW = 11; // NC 1.x |
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| 61 | } |
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| 41 | ingob | 62 | |
| 264 | killagreg | 63 | } |