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| 1 | #include "91x_lib.h" |
1 | #include "91x_lib.h" |
| 2 | #include "led.h" |
2 | #include "led.h" |
| Line -... | Line 3... | ||
| - | 3 | ||
| - | 4 | u8 Version_HW = 0; |
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| - | 5 | u8 Led_Grn_Inv = 0; |
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| - | 6 | u8 Led_Red_Inv = 0; |
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| 3 | 7 | ||
| 4 | void Led_Init(void) |
8 | void Led_Init(void) |
| - | 9 | { |
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| - | 10 | u8 p5; |
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| 5 | { |
11 | u16 i; |
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| 6 | GPIO_InitTypeDef GPIO_InitStructure; |
12 | GPIO_InitTypeDef GPIO_InitStructure; |
| 7 | - | ||
| 8 | SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
- | |
| 9 | - | ||
| 10 | /*Configure LED_GRN at pin GPIO5.6 and LED_ROT at pin GPIO5.7*/ |
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| 11 | GPIO_StructInit(&GPIO_InitStructure); |
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| 12 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
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| 13 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; |
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| 14 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
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| Line -... | Line 13... | ||
| - | 13 | ||
| 15 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1 ; |
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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| - | 17 | GPIO_StructInit(&GPIO_InitStructure); |
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| - | 18 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
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| - | 19 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; |
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| 16 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
20 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
| 17 | - | ||
| - | 21 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
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| - | 22 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
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| Line -... | Line 23... | ||
| - | 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 | ||
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| - | 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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| Line -... | Line 46... | ||
| - | 46 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
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| - | 47 | GPIO_Init(GPIO5, &GPIO_InitStructure); |
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| - | 48 | ||
| - | 49 | LED_GRN_OFF; |
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| - | 50 | LED_RED_OFF; |
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| - | 51 | ||
| - | 52 | if(Led_Grn_Inv) |
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| - | 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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