60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/* Reflow Oven Controller
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*
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* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
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*
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* This file is part of the Reflow Oven Controller Project.
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*
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* The reflow oven controller is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* The Reflow Oven Control Firmware 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the reflow oven controller project.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <reflow-controller/oven-driver.h>
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#include <reflow-controller/periph-config/oven-driver-hwcfg.h>
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#include <stm-periph/clock-enable-manager.h>
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void oven_driver_init()
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{
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rcc_manager_enable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(OVEN_CONTROLLER_PORT_RCC_MASK));
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rcc_manager_enable_clock(&RCC->APB1ENR, BITMASK_TO_BITNO(OVEN_CONTROLLER_TIM_RCC_MASK));
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OVEN_CONTROLLER_PORT->MODER &= MODER_DELETE(OVEN_CONTROLLER_PIN);
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OVEN_CONTROLLER_PORT->MODER |= ALTFUNC(OVEN_CONTROLLER_PIN);
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SETAF(OVEN_CONTROLLER_PORT, OVEN_CONTROLLER_PIN, OVEN_CONTROLLER_PIN_ALTFUNC);
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OVEN_CONTROLLER_PWM_TIMER->CR2 = 0UL;
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OVEN_CONTROLLER_PWM_TIMER->CCMR2 = TIM_CCMR2_OC3M;
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OVEN_CONTROLLER_PWM_TIMER->CCER = TIM_CCER_CC3E | TIM_CCER_CC3P;
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OVEN_CONTROLLER_PWM_TIMER->ARR = 1000U;
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OVEN_CONTROLLER_PWM_TIMER->PSC = 42000U - 1U;
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OVEN_CONTROLLER_PWM_TIMER->CR1 = TIM_CR1_CMS | TIM_CR1_CEN;
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}
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void oven_driver_set_power(uint8_t power)
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{
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if (power > 100U)
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power = 100U;
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OVEN_CONTROLLER_PWM_TIMER->CCR3 = power * 10;
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}
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void oven_driver_disable()
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{
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OVEN_CONTROLLER_PWM_TIMER->CR1 = 0UL;
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OVEN_CONTROLLER_PWM_TIMER->CR2 = 0UL;
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rcc_manager_disable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(OVEN_CONTROLLER_PORT_RCC_MASK));
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rcc_manager_disable_clock(&RCC->APB1ENR, BITMASK_TO_BITNO(OVEN_CONTROLLER_TIM_RCC_MASK));
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}
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