83 lines
1.6 KiB
C
83 lines
1.6 KiB
C
/*
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* breadboard.c
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*
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* Created on: Sep 17, 2025
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* Author: ja
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*/
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/*
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* #define RedLight_Pin GPIO_PIN_2
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* #define RedLight_GPIO_Port GPIOE
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*
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* #define YellowLight_Pin GPIO_PIN_3
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* #define YellowLight_GPIO_Port GPIOE
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*
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* #define GreenLight_Pin GPIO_PIN_4
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* #define GreenLight_GPIO_Port GPIOE
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*
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* RedLight: PE2
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* YellowLight: PE3
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* GreenLight: PE4
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* WalkLight: PE5
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*
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* Done: Traffic Light
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* TODO: Light Dimmer
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*/
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#include "main.h"
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#include "breadboard.h"
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#define R_Pin RedLight_Pin
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#define Y_Pin YellowLight_Pin
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#define G_Pin GreenLight_Pin
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#define W_Pin WalkLight_Pin
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#define R_Prt RedLight_GPIO_Port
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#define Y_Prt YellowLight_GPIO_Port
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#define G_Prt GreenLight_GPIO_Port
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#define W_Prt WalkLight_GPIO_Port
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uint32_t trafftick_last;
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uint32_t walktick_last;
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uint8_t trafflight_index = 0;
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void
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starttick(void)
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{
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trafftick_last = HAL_GetTick();
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walktick_last = HAL_GetTick();
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}
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void
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trafflight(int traffSPD, int walkSPD)
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{
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uint32_t trafftick_curr = HAL_GetTick();
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if ((trafftick_curr - trafftick_last) >= traffSPD) {
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HAL_GPIO_WritePin(R_Prt, R_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(Y_Prt, Y_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(G_Prt, G_Pin, GPIO_PIN_RESET);
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switch (trafflight_index) {
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case 0:
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HAL_GPIO_WritePin(R_Prt, R_Pin, GPIO_PIN_SET);
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break;
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case 1:
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HAL_GPIO_WritePin(Y_Prt, Y_Pin, GPIO_PIN_SET);
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break;
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case 2:
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HAL_GPIO_WritePin(G_Prt, G_Pin, GPIO_PIN_SET);
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break;
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}
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trafflight_index = (trafflight_index + 1) % 3;
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trafftick_last = trafftick_curr;
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}
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if ((trafftick_curr - walktick_last) >= walkSPD) {
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HAL_GPIO_TogglePin(W_Prt, W_Pin);
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walktick_last = trafftick_curr;
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}
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}
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