mirror of
https://github.com/armel/uv-k1-k5v3-firmware-custom.git
synced 2026-10-02 11:08:20 +00:00
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* Copyright 2025 muzkr https://github.com/muzkr
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "driver/dac.h"
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#include "driver/systick.h"
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#include "py32f071_ll_bus.h"
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#include "py32f071_ll_gpio.h"
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#include "py32f071_ll_dac.h"
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#include "py32f071_ll_tim.h"
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#define TIMx TIM6
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#define DAC_CHANNEL LL_DAC_CHANNEL_1
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static inline void TIM_Init()
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{
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LL_TIM_SetPrescaler(TIMx, 3);
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LL_TIM_SetAutoReload(TIMx, 1499);
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LL_TIM_SetTriggerOutput(TIMx, LL_TIM_TRGO_UPDATE);
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}
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void DAC_Init()
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{
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// Channel 1: PA4
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LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
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LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_4, LL_GPIO_MODE_ANALOG);
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_DAC1);
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LL_DAC_SetTriggerSource(DAC1, DAC_CHANNEL, LL_DAC_TRIG_EXT_TIM6_TRGO);
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LL_DAC_SetOutputBuffer(DAC1, DAC_CHANNEL, LL_DAC_OUTPUT_BUFFER_ENABLE);
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LL_DAC_EnableDMAReq(DAC1, DAC_CHANNEL);
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LL_DAC_Enable(DAC1, DAC_CHANNEL);
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SYSTICK_DelayUs(15);
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TIM_Init();
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LL_DAC_EnableTrigger(DAC1, DAC_CHANNEL);
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}
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