mirror of
https://github.com/EranMorkon/AMTS.git
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38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
#include "ledswitch.h"
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void init_ledswitch(void)
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{
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// Init GPIOA and GPIOC clocks
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
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// Create gpio struct and fill it with defaults
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GPIO_InitTypeDef gpio;
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GPIO_StructInit(&gpio);
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// Set the LED ports to push pull
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gpio.GPIO_Mode = GPIO_Mode_Out_PP;
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gpio.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9;
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GPIO_Init(GPIOC, &gpio);
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// Set the switch ports to input pull up
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gpio.GPIO_Mode = GPIO_Mode_IPU;
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gpio.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8;
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GPIO_Init(GPIOA, &gpio);
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return;
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}
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void run_ledswitch(uint8_t *switches)
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{
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// Read switches and shift it to represent a 8 bit number
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*switches = (GPIO_ReadInputData(GPIOA) & 0x000F) | ((GPIO_ReadInputData(GPIOA) & 0x01E0) >> 1);
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// Write that 8 bit number correctly shifted again to the LEDs
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GPIO_Write(GPIOC, ((*switches & 0xE0) << 2) | ((*switches & 0x1F) << 1));
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return;
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}
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void deinit_ledswitch(void)
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{
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return;
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}
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