672 lines
18 KiB
C
672 lines
18 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2019-04-28 tyustli first version
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*
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*/
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#include <rtthread.h>
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#ifdef BSP_USING_PWM
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#if !defined(BSP_USING_PWM1_CH0) && !defined(BSP_USING_PWM1_CH1) && !defined(BSP_USING_PWM1_CH2) && !defined(BSP_USING_PWM1_CH3) && \
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!defined(BSP_USING_PWM2_CH0) && !defined(BSP_USING_PWM2_CH1) && !defined(BSP_USING_PWM2_CH2) && !defined(BSP_USING_PWM2_CH3) && \
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!defined(BSP_USING_PWM3_CH0) && !defined(BSP_USING_PWM3_CH1) && !defined(BSP_USING_PWM3_CH2) && !defined(BSP_USING_PWM3_CH3) && \
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!defined(BSP_USING_PWM4_CH0) && !defined(BSP_USING_PWM4_CH1) && !defined(BSP_USING_PWM4_CH2) && !defined(BSP_USING_PWM4_CH3) && \
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!defined(BSP_USING_QTMR1_CH0) && !defined(BSP_USING_QTMR1_CH1) && !defined(BSP_USING_QTMR1_CH2) && !defined(BSP_USING_QTMR1_CH3) && \
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!defined(BSP_USING_QTMR2_CH0) && !defined(BSP_USING_QTMR2_CH1) && !defined(BSP_USING_QTMR2_CH2) && !defined(BSP_USING_QTMR2_CH3) && \
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!defined(BSP_USING_QTMR3_CH0) && !defined(BSP_USING_QTMR3_CH1) && !defined(BSP_USING_QTMR3_CH2) && !defined(BSP_USING_QTMR3_CH3) && \
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!defined(BSP_USING_QTMR4_CH0) && !defined(BSP_USING_QTMR4_CH1) && !defined(BSP_USING_QTMR4_CH2) && !defined(BSP_USING_QTMR4_CH3)
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#error "Please define at least one BSP_USING_PWMx_CHx or BSP_USING_QTMRx_CHx"
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#endif
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#define LOG_TAG "drv.pwm"
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#include <drv_log.h>
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#include <rtdevice.h>
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#include "fsl_pwm.h"
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#if defined(FSL_FEATURE_SOC_TMR_COUNT) && FSL_FEATURE_SOC_TMR_COUNT > 0
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#include "fsl_qtmr.h"
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#endif
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#include "drv_pwm.h"
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#define DEFAULT_PRE 5
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#define DEFAULT_DUTY 50
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#define DEFAULT_FRE 1000
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#ifdef SOC_MIMXRT1170_SERIES
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#define PWM_SRC_CLK_FREQ CLOCK_GetRootClockFreq(kCLOCK_Root_Bus)
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#else
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#define PWM_SRC_CLK_FREQ CLOCK_GetFreq(kCLOCK_IpgClk)
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#endif
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#define DEFAULT_COMPLEMENTARY_PAIR kPWM_PwmA
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#define DEFAULT_POLARITY kPWM_HighTrue
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static pwm_signal_param_t Pwm_Signal;
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static rt_err_t imxrt_drv_pwm_control(struct rt_device_pwm *device, int cmd, void *arg);
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static struct rt_pwm_ops imxrt_drv_ops =
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{
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.control = imxrt_drv_pwm_control
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};
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static rt_err_t imxrt_drv_pwm_enable(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration, rt_bool_t enable)
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{
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PWM_Type *base;
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pwm_module_control_t pwm_module_control;
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base = (PWM_Type *)device->parent.user_data;
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pwm_module_control = (pwm_module_control_t)(1 << configuration->channel);
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if (!enable)
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{
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PWM_StopTimer(base, pwm_module_control);
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}
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else
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{
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PWM_StartTimer(base, pwm_module_control);
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}
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return RT_EOK;
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}
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static rt_err_t imxrt_drv_pwm_get(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
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{
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uint8_t get_duty;
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uint16_t pulseCnt = 0, pwmHighPulse = 0;
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uint32_t get_frequence;
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uint32_t pwmClock;
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PWM_Type *base;
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pwm_submodule_t pwm_submodule;
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base = (PWM_Type *)device->parent.user_data;
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pwm_submodule = (pwm_submodule_t)configuration->channel;
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/* get frequence */
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get_frequence = base->SM[pwm_submodule].VAL1;
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pwmClock = (PWM_SRC_CLK_FREQ / (1U << ((base->SM[pwm_submodule].CTRL & PWM_CTRL_PRSC_MASK) >> PWM_CTRL_PRSC_SHIFT)));
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get_frequence = pwmClock / get_frequence;
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/* get dutycycle */
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pulseCnt = base->SM[pwm_submodule].VAL1;
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pwmHighPulse = pulseCnt - (base->SM[pwm_submodule].VAL2) * 2;
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get_duty = pwmHighPulse * 100 / pulseCnt;
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/* conversion */
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configuration->period = 1000000000 / get_frequence;
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configuration->pulse = get_duty * configuration->period / 100;
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return RT_EOK;
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}
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static rt_err_t imxrt_drv_pwm_set(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
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{
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RT_ASSERT(configuration->period > 0);
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RT_ASSERT(configuration->pulse <= configuration->period);
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PWM_Type *base;
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pwm_submodule_t pwm_submodule;
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pwm_module_control_t pwm_module_control;
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uint32_t period = 0;
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uint8_t duty = 0;
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base = (PWM_Type *)device->parent.user_data;
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pwm_submodule = (pwm_submodule_t)configuration->channel;
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pwm_module_control = (pwm_module_control_t)(1 << configuration->channel);
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duty = configuration->pulse * 100 / configuration->period;
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Pwm_Signal.dutyCyclePercent = duty;
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period = (uint32_t)(1000000000 / configuration->period);
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PWM_SetupPwm(base, pwm_submodule, &Pwm_Signal, 1, kPWM_CenterAligned, period, PWM_SRC_CLK_FREQ);
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PWM_UpdatePwmDutycycle(base, pwm_submodule, DEFAULT_COMPLEMENTARY_PAIR, kPWM_CenterAligned, duty);
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PWM_SetPwmLdok(base, pwm_module_control, true);
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return RT_EOK;
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}
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static rt_err_t imxrt_drv_pwm_control(struct rt_device_pwm *device, int cmd, void *arg)
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{
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struct rt_pwm_configuration *configuration = (struct rt_pwm_configuration *)arg;
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switch (cmd)
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{
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case PWM_CMD_ENABLE:
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return imxrt_drv_pwm_enable(device, configuration, RT_TRUE);
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case PWM_CMD_DISABLE:
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return imxrt_drv_pwm_enable(device, configuration, RT_FALSE);
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case PWM_CMD_SET:
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return imxrt_drv_pwm_set(device, configuration);
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case PWM_CMD_GET:
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return imxrt_drv_pwm_get(device, configuration);
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default:
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return RT_EINVAL;
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}
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}
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static rt_err_t imxrt_drv_pwm_init(PWM_Type *base, pwm_submodule_t pwm_submodule, uint16_t psc, uint32_t fre, uint8_t duty)
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{
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pwm_config_t PwmConfig;
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uint8_t fault_input;
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pwm_clock_prescale_t pwm_prescale = (pwm_clock_prescale_t)psc;
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fault_input = (uint8_t)pwm_submodule;
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PWM_GetDefaultConfig(&PwmConfig);
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PwmConfig.prescale = pwm_prescale;
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PwmConfig.reloadLogic = kPWM_ReloadPwmFullCycle;
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PwmConfig.pairOperation = kPWM_Independent;
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PwmConfig.enableDebugMode = true;
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if (PWM_Init(base, pwm_submodule, &PwmConfig) == kStatus_Fail)
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{
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LOG_E("init pwm failed \n");
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return -RT_ERROR;
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}
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base->SM[fault_input].DISMAP[0] = 0x00;
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base->SM[fault_input].DISMAP[1] = 0x00;
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Pwm_Signal.pwmChannel = DEFAULT_COMPLEMENTARY_PAIR;
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Pwm_Signal.level = DEFAULT_POLARITY;
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Pwm_Signal.dutyCyclePercent = duty;
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PWM_SetupPwm(base, pwm_submodule, &Pwm_Signal, 1, kPWM_CenterAligned, fre, PWM_SRC_CLK_FREQ);
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PWM_SetPwmLdok(base, pwm_submodule, true);
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return RT_EOK;
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}
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#ifdef BSP_USING_PWM1
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static rt_err_t imxrt_pwm1_init(PWM_Type *base)
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{
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#ifdef BSP_USING_PWM1_CH0
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if (imxrt_drv_pwm_init(base, kPWM_Module_0, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM1_CH0 */
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#ifdef BSP_USING_PWM1_CH1
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if (imxrt_drv_pwm_init(base, kPWM_Module_1, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM1_CH1 */
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#ifdef BSP_USING_PWM1_CH2
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if (imxrt_drv_pwm_init(base, kPWM_Module_2, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /*BSP_USING_PWM1_CH2 */
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#ifdef BSP_USING_PWM1_CH3
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if (imxrt_drv_pwm_init(base, kPWM_Module_3, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM1_CH3 */
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return RT_EOK;
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}
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#endif /* BSP_USING_PWM1 */
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#ifdef BSP_USING_PWM2
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static rt_err_t imxrt_pwm2_init(PWM_Type *base)
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{
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#ifdef BSP_USING_PWM2_CH0
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if (imxrt_drv_pwm_init(base, kPWM_Module_0, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM2_CH0 */
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#ifdef BSP_USING_PWM2_CH1
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if (imxrt_drv_pwm_init(base, kPWM_Module_1, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM2_CH1 */
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#ifdef BSP_USING_PWM2_CH2
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if (imxrt_drv_pwm_init(base, kPWM_Module_2, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /*BSP_USING_PWM2_CH2 */
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#ifdef BSP_USING_PWM2_CH3
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if (imxrt_drv_pwm_init(base, kPWM_Module_3, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM2_CH3 */
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return RT_EOK;
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}
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#endif /* BSP_USING_PWM2 */
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#ifdef BSP_USING_PWM3
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static rt_err_t imxrt_pwm3_init(PWM_Type *base)
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{
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#ifdef BSP_USING_PWM3_CH0
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if (imxrt_drv_pwm_init(base, kPWM_Module_0, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM3_CH0 */
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#ifdef BSP_USING_PWM3_CH1
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if (imxrt_drv_pwm_init(base, kPWM_Module_1, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM3_CH1 */
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#ifdef BSP_USING_PWM3_CH2
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if (imxrt_drv_pwm_init(base, kPWM_Module_2, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /*BSP_USING_PWM3_CH2 */
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#ifdef BSP_USING_PWM3_CH3
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if (imxrt_drv_pwm_init(base, kPWM_Module_3, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM3_CH3 */
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return RT_EOK;
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}
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#endif /* BSP_USING_PWM3 */
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#ifdef BSP_USING_PWM4
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static rt_err_t imxrt_pwm4_init(PWM_Type *base)
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{
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#ifdef BSP_USING_PWM4_CH0
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if (imxrt_drv_pwm_init(base, kPWM_Module_0, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM4_CH0 */
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#ifdef BSP_USING_PWM4_CH1
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if (imxrt_drv_pwm_init(base, kPWM_Module_1, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM4_CH1 */
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#ifdef BSP_USING_PWM4_CH2
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if (imxrt_drv_pwm_init(base, kPWM_Module_2, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /*BSP_USING_PWM4_CH2 */
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#ifdef BSP_USING_PWM4_CH3
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if (imxrt_drv_pwm_init(base, kPWM_Module_3, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#endif /* BSP_USING_PWM4_CH3 */
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return RT_EOK;
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}
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#endif /* BSP_USING_PWM4 */
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static rt_err_t imxrt_drv_qtmr_control(struct rt_device_pwm *device, int cmd, void *arg);
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static struct rt_pwm_ops imxrt_drv_qtmr_ops =
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{
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.control = imxrt_drv_qtmr_control
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};
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static rt_err_t imxrt_drv_qtmr_enable(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration, rt_bool_t enable)
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{
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TMR_Type *base;
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base = (TMR_Type *)device->parent.user_data;
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if (!enable)
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{
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QTMR_StopTimer(base, configuration->channel);
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base->CHANNEL[configuration->channel].SCTRL |= (TMR_SCTRL_FORCE_MASK | TMR_SCTRL_OEN_MASK);
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}
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else
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{
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QTMR_StartTimer(base, configuration->channel, kQTMR_PriSrcRiseEdge);
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}
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return RT_EOK;
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}
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static rt_err_t imxrt_drv_qtmr_get(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
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{
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TMR_Type *base;
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rt_uint32_t high_count, low_count, clk_divider, clk_freq;
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base = (TMR_Type *)device->parent.user_data;
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low_count = base->CHANNEL[configuration->channel].COMP1;
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high_count = base->CHANNEL[configuration->channel].COMP2;
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clk_divider = 1 << (((base->CHANNEL[configuration->channel].CTRL & TMR_CTRL_PCS_MASK) >> TMR_CTRL_PCS_SHIFT) - 8);
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clk_freq = PWM_SRC_CLK_FREQ / clk_divider;
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configuration->period = 1000000000 / clk_freq * (high_count + low_count);
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configuration->pulse = 1000000000 / clk_freq * high_count;
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return RT_EOK;
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}
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static rt_err_t imxrt_drv_qtmr_set(struct rt_device_pwm *device, struct rt_pwm_configuration *configuration)
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{
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RT_ASSERT(configuration->period > 0);
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RT_ASSERT(configuration->pulse <= configuration->period);
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TMR_Type *base = (TMR_Type *)device->parent.user_data;
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rt_size_t clk_freq = PWM_SRC_CLK_FREQ / (1 << (((base->CHANNEL[configuration->channel].CTRL & TMR_CTRL_PCS_MASK) >> TMR_CTRL_PCS_SHIFT) - 8));
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rt_size_t current_period_count = base->CHANNEL[configuration->channel].CMPLD1 + base->CHANNEL[configuration->channel].CMPLD2;
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rt_size_t period_count = clk_freq / (1000000000 / configuration->period);
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if (current_period_count == period_count)
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{
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rt_size_t high_count = period_count * configuration->pulse / configuration->period;
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rt_size_t low_count = period_count - high_count;
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base->CHANNEL[configuration->channel].CMPLD1 = (uint16_t)low_count;
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base->CHANNEL[configuration->channel].CMPLD2 = (uint16_t)high_count;
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}
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else
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{
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rt_bool_t timer_is_on = base->CHANNEL[configuration->channel].CTRL & TMR_CTRL_CM_MASK;
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rt_uint8_t duty = configuration->pulse * 100 / configuration->period;
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QTMR_StopTimer(base, configuration->channel);
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if (kStatus_Success != QTMR_SetupPwm(base, configuration->channel, 1000000000 / configuration->period, duty, DEFAULT_POLARITY, clk_freq))
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{
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LOG_E(LOG_TAG" setup pwm failed \n");
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return -RT_ERROR;
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}
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if (timer_is_on)
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{
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QTMR_StartTimer(base, configuration->channel, kQTMR_PriSrcRiseEdge);
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}
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}
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return RT_EOK;
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}
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static rt_err_t imxrt_drv_qtmr_control(struct rt_device_pwm *device, int cmd, void *arg)
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{
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struct rt_pwm_configuration *configuration = (struct rt_pwm_configuration *)arg;
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switch (cmd)
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{
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case PWM_CMD_ENABLE:
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return imxrt_drv_qtmr_enable(device, configuration, RT_TRUE);
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case PWM_CMD_DISABLE:
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return imxrt_drv_qtmr_enable(device, configuration, RT_FALSE);
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case PWM_CMD_SET:
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return imxrt_drv_qtmr_set(device, configuration);
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case PWM_CMD_GET:
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return imxrt_drv_qtmr_get(device, configuration);
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default:
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return RT_EINVAL;
|
|
}
|
|
}
|
|
|
|
static rt_err_t imxrt_drv_qtmr_init(TMR_Type *base, qtmr_channel_selection_t channel, uint16_t psc, uint32_t fre, uint8_t duty)
|
|
{
|
|
qtmr_config_t qtmr_config;
|
|
rt_uint32_t qtmr_clock_freq;
|
|
QTMR_GetDefaultConfig(&qtmr_config);
|
|
|
|
qtmr_config.primarySource = (qtmr_primary_count_source_t)(psc + 8);
|
|
qtmr_clock_freq = PWM_SRC_CLK_FREQ / (1 << psc);
|
|
|
|
QTMR_Init(base, channel, &qtmr_config);
|
|
|
|
if (kStatus_Success != QTMR_SetupPwm(base, channel, fre, duty, DEFAULT_POLARITY, qtmr_clock_freq))
|
|
{
|
|
LOG_E(LOG_TAG" setup pwm failed \n");
|
|
return -RT_ERROR;
|
|
}
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t imxrt_qtmr_init()
|
|
{
|
|
TMR_Type *base_list[] =
|
|
{
|
|
#ifdef BSP_USING_QTMR1
|
|
TMR1,
|
|
#endif
|
|
#ifdef BSP_USING_QTMR2
|
|
TMR2,
|
|
#endif
|
|
#ifdef BSP_USING_QTMR3
|
|
TMR3,
|
|
#endif
|
|
#ifdef BSP_USING_QTMR4
|
|
TMR4,
|
|
#endif
|
|
};
|
|
|
|
rt_uint8_t channel_list[] =
|
|
{
|
|
#ifdef BSP_USING_QTMR1
|
|
#ifdef BSP_USING_QTMR1_CH0
|
|
1 << 0 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR1_CH1
|
|
1 << 1 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR1_CH2
|
|
1 << 2 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR1_CH3
|
|
1 << 3 |
|
|
#endif
|
|
0,
|
|
#endif
|
|
#ifdef BSP_USING_QTMR2
|
|
#ifdef BSP_USING_QTMR2_CH0
|
|
1 << 0 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR2_CH1
|
|
1 << 1 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR2_CH2
|
|
1 << 2 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR2_CH3
|
|
1 << 3 |
|
|
#endif
|
|
0,
|
|
#endif
|
|
#ifdef BSP_USING_QTMR3
|
|
#ifdef BSP_USING_QTMR3_CH0
|
|
1 << 0 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR3_CH1
|
|
1 << 1 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR3_CH2
|
|
1 << 2 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR3_CH3
|
|
1 << 3 |
|
|
#endif
|
|
0,
|
|
#endif
|
|
#ifdef BSP_USING_QTMR4
|
|
#ifdef BSP_USING_QTMR4_CH0
|
|
1 << 0 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR4_CH1
|
|
1 << 1 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR4_CH2
|
|
1 << 2 |
|
|
#endif
|
|
#ifdef BSP_USING_QTMR4_CH3
|
|
1 << 3 |
|
|
#endif
|
|
0,
|
|
#endif
|
|
};
|
|
|
|
for (rt_uint8_t i = 0; i < sizeof(base_list)/sizeof(TMR_Type *); ++i)
|
|
{
|
|
for (rt_uint8_t j = 0; j < 8; ++j)
|
|
{
|
|
if ((channel_list[i] >> j) & 1)
|
|
{
|
|
if (imxrt_drv_qtmr_init(base_list[i], j, DEFAULT_PRE, DEFAULT_FRE, DEFAULT_DUTY) != RT_EOK)
|
|
{
|
|
return -RT_ERROR;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return RT_EOK;
|
|
}
|
|
|
|
|
|
|
|
int rt_hw_pwm_init(void)
|
|
{
|
|
rt_err_t ret = RT_EOK;
|
|
|
|
#ifdef BSP_USING_PWM1
|
|
|
|
static struct rt_device_pwm pwm1_device;
|
|
|
|
if (imxrt_pwm1_init(PWM1) != RT_EOK)
|
|
{
|
|
LOG_E("init pwm1 failed\n");
|
|
}
|
|
|
|
ret = rt_device_pwm_register(&pwm1_device, "pwm1", &imxrt_drv_ops, PWM1);
|
|
|
|
if (ret != RT_EOK)
|
|
{
|
|
LOG_E("%s register failed", "pwm1");
|
|
}
|
|
|
|
#endif /* BSP_USING_PWM1 */
|
|
|
|
#ifdef BSP_USING_PWM2
|
|
|
|
static struct rt_device_pwm pwm2_device;
|
|
|
|
if (imxrt_pwm2_init(PWM2) != RT_EOK)
|
|
{
|
|
LOG_E("init pwm2 failed\n");
|
|
}
|
|
|
|
ret = rt_device_pwm_register(&pwm2_device, "pwm2", &imxrt_drv_ops, PWM2);
|
|
|
|
if (ret != RT_EOK)
|
|
{
|
|
LOG_E("%s register failed", "pwm2");
|
|
}
|
|
#endif /* BSP_USING_PWM2 */
|
|
|
|
#ifdef BSP_USING_PWM3
|
|
|
|
static struct rt_device_pwm pwm3_device;
|
|
|
|
if (imxrt_pwm3_init(PWM3) != RT_EOK)
|
|
{
|
|
LOG_E("init pwm3 failed\n");
|
|
}
|
|
|
|
ret = rt_device_pwm_register(&pwm3_device, "pwm3", &imxrt_drv_ops, PWM3);
|
|
|
|
if (ret != RT_EOK)
|
|
{
|
|
LOG_E("%s register failed", "pwm3");
|
|
}
|
|
|
|
#endif /* BSP_USING_PWM3 */
|
|
|
|
#ifdef BSP_USING_PWM4
|
|
|
|
static struct rt_device_pwm pwm4_device;
|
|
|
|
if (imxrt_pwm4_init(PWM4) != RT_EOK)
|
|
{
|
|
LOG_E("init pwm4 failed\n");
|
|
}
|
|
|
|
ret = rt_device_pwm_register(&pwm4_device, "pwm4", &imxrt_drv_ops, PWM4);
|
|
|
|
if (ret != RT_EOK)
|
|
{
|
|
LOG_E("%s register failed", "pwm4");
|
|
}
|
|
#endif /* BSP_USING_PWM4 */
|
|
|
|
#if defined(BSP_USING_QTMR1) || defined(BSP_USING_QTMR2) || defined(BSP_USING_QTMR3) || defined(BSP_USING_QTMR4)
|
|
if (imxrt_qtmr_init() != RT_EOK)
|
|
{
|
|
LOG_E(LOG_TAG" init qtmr failed");
|
|
}
|
|
#endif
|
|
|
|
#ifdef BSP_USING_QTMR1
|
|
static struct rt_device_pwm qtmr1_device;
|
|
ret = rt_device_pwm_register(&qtmr1_device, "pwm5", &imxrt_drv_qtmr_ops, TMR1);
|
|
if (ret != RT_EOK)
|
|
{
|
|
LOG_E("%s register failed", "pwm5");
|
|
}
|
|
#endif /* BSP_USING_QTMR1 */
|
|
|
|
#ifdef BSP_USING_QTMR2
|
|
static struct rt_device_pwm qtmr2_device;
|
|
ret = rt_device_pwm_register(&qtmr2_device, "pwm6", &imxrt_drv_qtmr_ops, TMR2);
|
|
if (ret != RT_EOK)
|
|
{
|
|
LOG_E("%s register failed", "pwm6");
|
|
}
|
|
#endif /* BSP_USING_QTMR2 */
|
|
|
|
#ifdef BSP_USING_QTMR3
|
|
static struct rt_device_pwm qtmr3_device;
|
|
ret = rt_device_pwm_register(&qtmr3_device, "pwm7", &imxrt_drv_qtmr_ops, TMR3);
|
|
if (ret != RT_EOK)
|
|
{
|
|
LOG_E("%s register failed", "pwm7");
|
|
}
|
|
#endif /* BSP_USING_QTMR3 */
|
|
|
|
#ifdef BSP_USING_QTMR4
|
|
static struct rt_device_pwm qtmr4_device;
|
|
ret = rt_device_pwm_register(&qtmr4_device, "pwm8", &imxrt_drv_qtmr_ops, TMR4);
|
|
if (ret != RT_EOK)
|
|
{
|
|
LOG_E("%s register failed", "pwm8");
|
|
}
|
|
#endif /* BSP_USING_QTMR4 */
|
|
|
|
return ret;
|
|
}
|
|
|
|
INIT_BOARD_EXPORT(rt_hw_pwm_init);
|
|
|
|
#endif /* BSP_USING_PWM */
|