116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
/*
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* Copyright (C) 2023 Daniele Lacamera <root@danielinux.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include "led.h"
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#include "system.h"
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#include "unicore-mx/stm32/gpio.h"
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#include "unicore-mx/stm32/rcc.h"
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/* A15, G7, B4, G6, C6, C7 */
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void uled_init(void)
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{
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rcc_periph_clock_enable(RCC_GPIOA);
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rcc_periph_clock_enable(RCC_GPIOB);
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rcc_periph_clock_enable(RCC_GPIOC);
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rcc_periph_clock_enable(RCC_GPIOG);
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gpio_mode_setup(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LD0);
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gpio_set(GPIOA, LD0);
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gpio_mode_setup(GPIOG, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLDOWN, LD1 | LD3);
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gpio_set(GPIOG, LD1 | LD3);
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gpio_mode_setup(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLDOWN, LD2);
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gpio_set(GPIOB, LD2);
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gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLDOWN, LD4 | LD5);
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gpio_set(GPIOC, LD4 | LD5);
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}
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void uled_on(int led)
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{
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switch(led)
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{
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case 0:
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gpio_set(GPIOA, LD0);
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break;
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case 1:
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gpio_set(GPIOG, LD1);
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break;
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case 2:
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gpio_set(GPIOB, LD2);
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break;
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case 3:
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gpio_set(GPIOG, LD3);
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break;
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case 4:
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gpio_set(GPIOC, LD4);
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break;
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case 5:
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gpio_set(GPIOC, LD5);
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break;
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}
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}
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void uled_off(int led)
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{
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switch(led)
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{
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case 0:
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gpio_clear(GPIOA, LD0);
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break;
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case 1:
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gpio_clear(GPIOG, LD1);
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break;
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case 2:
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gpio_clear(GPIOB, LD2);
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break;
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case 3:
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gpio_clear(GPIOG, LD3);
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break;
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case 4:
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gpio_clear(GPIOC, LD4);
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break;
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case 5:
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gpio_clear(GPIOC, LD5);
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break;
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}
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}
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void uled_bincount(uint8_t x)
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{
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int a,b,c,d;
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a = (x & 0x1);
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b = (x & 0x2) >> 1;
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c = (x & 0x4) >> 2;
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d = (x & 0x8) >> 3;
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if (a)
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gpio_set(GPIOA, LD0);
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else
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gpio_clear(GPIOA, LD0);
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if (b)
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gpio_set(GPIOG, LD1);
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else
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gpio_clear(GPIOG, LD1);
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if (c)
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gpio_set(GPIOB, LD2);
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else
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gpio_clear(GPIOB, LD2);
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if (d)
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gpio_set(GPIOG, LD3);
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else
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gpio_clear(GPIOG, LD3);
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}
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