/********************************************************************************************************************* * COPYRIGHT NOTICE * Copyright (c) 2020,逐飞科技 * All rights reserved. * 技术讨论QQ群:三群:824575535 * * 以下所有内容版权均属逐飞科技所有,未经允许不得用于商业用途, * 欢迎各位使用并传播本程序,修改内容时必须保留逐飞科技的版权声明。 * * @file gtm_pwm * @company 成都逐飞科技有限公司 * @author 逐飞科技(QQ3184284598) * @version 查看doc内version文件 版本说明 * @Software ADS v1.2.2 * @Target core TC264D * @Taobao https://seekfree.taobao.com/ * @date 2020-3-23 ********************************************************************************************************************/ #include "IfxGtm_Atom_Pwm.h" #include "zf_gtm_pwm.h" #define CMU_CLK_FREQ 20000000.0f //CMU时钟频率 IfxGtm_Atom_ToutMap* gtm_atom_mux(ATOM_PIN_enum atom_pin) { switch(atom_pin) { case ATOM0_CH0_P00_0: return &IfxGtm_ATOM0_0_TOUT9_P00_0_OUT; case ATOM0_CH0_P02_0: return &IfxGtm_ATOM0_0_TOUT0_P02_0_OUT; case ATOM0_CH0_P02_8: return &IfxGtm_ATOM0_0_TOUT8_P02_8_OUT; case ATOM0_CH0_P14_5: return &IfxGtm_ATOM0_0_TOUT85_P14_5_OUT; case ATOM0_CH0_P21_2: return &IfxGtm_ATOM0_0_TOUT53_P21_2_OUT; case ATOM0_CH0_P22_1: return &IfxGtm_ATOM0_0_TOUT48_P22_1_OUT; case ATOM0_CH1_P00_1: return &IfxGtm_ATOM0_1_TOUT10_P00_1_OUT; case ATOM0_CH1_P00_2: return &IfxGtm_ATOM0_1_TOUT11_P00_2_OUT; case ATOM0_CH1_P02_1: return &IfxGtm_ATOM0_1_TOUT1_P02_1_OUT; case ATOM0_CH1_P10_1: return &IfxGtm_ATOM0_1_TOUT103_P10_1_OUT; case ATOM0_CH1_P14_4: return &IfxGtm_ATOM0_1_TOUT84_P14_4_OUT; case ATOM0_CH1_P21_3: return &IfxGtm_ATOM0_1_TOUT54_P21_3_OUT; case ATOM0_CH1_P22_0: return &IfxGtm_ATOM0_1_TOUT47_P22_0_OUT; case ATOM0_CH1_P33_9: return &IfxGtm_ATOM0_1_TOUT31_P33_9_OUT; case ATOM0_CH2_P00_3: return &IfxGtm_ATOM0_2_TOUT12_P00_3_OUT; case ATOM0_CH2_P02_2: return &IfxGtm_ATOM0_2_TOUT2_P02_2_OUT; case ATOM0_CH2_P10_2: return &IfxGtm_ATOM0_2_TOUT104_P10_2_OUT; case ATOM0_CH2_P10_5: return &IfxGtm_ATOM0_2_TOUT107_P10_5_OUT; case ATOM0_CH2_P14_3: return &IfxGtm_ATOM0_2_TOUT83_P14_3_OUT; case ATOM0_CH2_P21_4: return &IfxGtm_ATOM0_2_TOUT55_P21_4_OUT; case ATOM0_CH2_P33_11: return &IfxGtm_ATOM0_2_TOUT33_P33_11_OUT; case ATOM0_CH3_P00_4: return &IfxGtm_ATOM0_3_TOUT13_P00_4_OUT; case ATOM0_CH3_P02_3: return &IfxGtm_ATOM0_3_TOUT3_P02_3_OUT; case ATOM0_CH3_P10_3: return &IfxGtm_ATOM0_3_TOUT105_P10_3_OUT; case ATOM0_CH3_P10_6: return &IfxGtm_ATOM0_3_TOUT108_P10_6_OUT; case ATOM0_CH3_P14_2: return &IfxGtm_ATOM0_3_TOUT82_P14_2_OUT; case ATOM0_CH3_P21_5: return &IfxGtm_ATOM0_3_TOUT56_P21_5_OUT; case ATOM0_CH3_P22_2: return &IfxGtm_ATOM0_3_TOUT49_P22_2_OUT; case ATOM0_CH4_P00_5: return &IfxGtm_ATOM0_4_TOUT14_P00_5_OUT; case ATOM0_CH4_P02_4: return &IfxGtm_ATOM0_4_TOUT4_P02_4_OUT; case ATOM0_CH4_P14_1: return &IfxGtm_ATOM0_4_TOUT81_P14_1_OUT; case ATOM0_CH4_P20_3: return &IfxGtm_ATOM0_4_TOUT61_P20_3_OUT; case ATOM0_CH4_P21_6: return &IfxGtm_ATOM0_4_TOUT57_P21_6_OUT; case ATOM0_CH4_P22_3: return &IfxGtm_ATOM0_4_TOUT50_P22_3_OUT; case ATOM0_CH5_P00_6: return &IfxGtm_ATOM0_5_TOUT15_P00_6_OUT; case ATOM0_CH5_P02_5: return &IfxGtm_ATOM0_5_TOUT5_P02_5_OUT; case ATOM0_CH5_P21_7: return &IfxGtm_ATOM0_5_TOUT58_P21_7_OUT; case ATOM0_CH5_P32_4: return &IfxGtm_ATOM0_5_TOUT40_P32_4_OUT; case ATOM0_CH6_P00_7: return &IfxGtm_ATOM0_6_TOUT16_P00_7_OUT; case ATOM0_CH6_P02_6: return &IfxGtm_ATOM0_6_TOUT6_P02_6_OUT; case ATOM0_CH6_P20_0: return &IfxGtm_ATOM0_6_TOUT59_P20_0_OUT; case ATOM0_CH6_P23_1: return &IfxGtm_ATOM0_6_TOUT42_P23_1_OUT; case ATOM0_CH7_P00_8: return &IfxGtm_ATOM0_7_TOUT17_P00_8_OUT; case ATOM0_CH7_P02_7: return &IfxGtm_ATOM0_7_TOUT7_P02_7_OUT; case ATOM0_CH7_P20_8: return &IfxGtm_ATOM0_7_TOUT64_P20_8_OUT; case ATOM1_CH0_P00_0: return &IfxGtm_ATOM1_0_TOUT9_P00_0_OUT; case ATOM1_CH0_P02_0: return &IfxGtm_ATOM1_0_TOUT0_P02_0_OUT; case ATOM1_CH0_P02_8: return &IfxGtm_ATOM1_0_TOUT8_P02_8_OUT; case ATOM1_CH0_P15_5: return &IfxGtm_ATOM1_0_TOUT76_P15_5_OUT; case ATOM1_CH0_P15_6: return &IfxGtm_ATOM1_0_TOUT77_P15_6_OUT; case ATOM1_CH0_P20_12: return &IfxGtm_ATOM1_0_TOUT68_P20_12_OUT; case ATOM1_CH0_P21_2: return &IfxGtm_ATOM1_0_TOUT53_P21_2_OUT; case ATOM1_CH0_P22_1: return &IfxGtm_ATOM1_0_TOUT48_P22_1_OUT; case ATOM1_CH1_P00_1: return &IfxGtm_ATOM1_1_TOUT10_P00_1_OUT; case ATOM1_CH1_P00_2: return &IfxGtm_ATOM1_1_TOUT11_P00_2_OUT; case ATOM1_CH1_P02_1: return &IfxGtm_ATOM1_1_TOUT1_P02_1_OUT; case ATOM1_CH1_P10_1: return &IfxGtm_ATOM1_1_TOUT103_P10_1_OUT; case ATOM1_CH1_P14_6: return &IfxGtm_ATOM1_1_TOUT86_P14_6_OUT; case ATOM1_CH1_P15_7: return &IfxGtm_ATOM1_1_TOUT78_P15_7_OUT; case ATOM1_CH1_P15_8: return &IfxGtm_ATOM1_1_TOUT79_P15_8_OUT; case ATOM1_CH1_P20_13: return &IfxGtm_ATOM1_1_TOUT69_P20_13_OUT; case ATOM1_CH1_P21_3: return &IfxGtm_ATOM1_1_TOUT54_P21_3_OUT; case ATOM1_CH1_P22_0: return &IfxGtm_ATOM1_1_TOUT47_P22_0_OUT; case ATOM1_CH1_P33_9: return &IfxGtm_ATOM1_1_TOUT31_P33_9_OUT; case ATOM1_CH2_P00_3: return &IfxGtm_ATOM1_2_TOUT12_P00_3_OUT; case ATOM1_CH2_P02_2: return &IfxGtm_ATOM1_2_TOUT2_P02_2_OUT; case ATOM1_CH2_P10_2: return &IfxGtm_ATOM1_2_TOUT104_P10_2_OUT; case ATOM1_CH2_P10_5: return &IfxGtm_ATOM1_2_TOUT107_P10_5_OUT; case ATOM1_CH2_P14_0: return &IfxGtm_ATOM1_2_TOUT80_P14_0_OUT; case ATOM1_CH2_P20_14: return &IfxGtm_ATOM1_2_TOUT70_P20_14_OUT; case ATOM1_CH2_P21_4: return &IfxGtm_ATOM1_2_TOUT55_P21_4_OUT; case ATOM1_CH2_P33_11: return &IfxGtm_ATOM1_2_TOUT33_P33_11_OUT; case ATOM1_CH3_P00_4: return &IfxGtm_ATOM1_3_TOUT13_P00_4_OUT; case ATOM1_CH3_P02_3: return &IfxGtm_ATOM1_3_TOUT3_P02_3_OUT; case ATOM1_CH3_P10_3: return &IfxGtm_ATOM1_3_TOUT105_P10_3_OUT; case ATOM1_CH3_P10_6: return &IfxGtm_ATOM1_3_TOUT108_P10_6_OUT; case ATOM1_CH3_P15_0: return &IfxGtm_ATOM1_3_TOUT71_P15_0_OUT; case ATOM1_CH3_P21_5: return &IfxGtm_ATOM1_3_TOUT56_P21_5_OUT; case ATOM1_CH3_P22_2: return &IfxGtm_ATOM1_3_TOUT49_P22_2_OUT; case ATOM1_CH4_P00_5: return &IfxGtm_ATOM1_4_TOUT14_P00_5_OUT; case ATOM1_CH4_P02_4: return &IfxGtm_ATOM1_4_TOUT4_P02_4_OUT; case ATOM1_CH4_P15_1: return &IfxGtm_ATOM1_4_TOUT72_P15_1_OUT; case ATOM1_CH4_P20_3: return &IfxGtm_ATOM1_4_TOUT61_P20_3_OUT; case ATOM1_CH4_P21_6: return &IfxGtm_ATOM1_4_TOUT57_P21_6_OUT; case ATOM1_CH4_P22_3: return &IfxGtm_ATOM1_4_TOUT50_P22_3_OUT; case ATOM1_CH5_P00_6: return &IfxGtm_ATOM1_5_TOUT15_P00_6_OUT; case ATOM1_CH5_P02_5: return &IfxGtm_ATOM1_5_TOUT5_P02_5_OUT; case ATOM1_CH5_P15_2: return &IfxGtm_ATOM1_5_TOUT73_P15_2_OUT; case ATOM1_CH5_P20_9: return &IfxGtm_ATOM1_5_TOUT65_P20_9_OUT; case ATOM1_CH5_P21_7: return &IfxGtm_ATOM1_5_TOUT58_P21_7_OUT; case ATOM1_CH5_P32_4: return &IfxGtm_ATOM1_5_TOUT40_P32_4_OUT; case ATOM1_CH6_P00_7: return &IfxGtm_ATOM1_6_TOUT16_P00_7_OUT; case ATOM1_CH6_P02_6: return &IfxGtm_ATOM1_6_TOUT6_P02_6_OUT; case ATOM1_CH6_P15_3: return &IfxGtm_ATOM1_6_TOUT74_P15_3_OUT; case ATOM1_CH6_P20_0: return &IfxGtm_ATOM1_6_TOUT59_P20_0_OUT; case ATOM1_CH6_P20_10: return &IfxGtm_ATOM1_6_TOUT66_P20_10_OUT; case ATOM1_CH6_P23_1: return &IfxGtm_ATOM1_6_TOUT42_P23_1_OUT; case ATOM1_CH7_P00_8: return &IfxGtm_ATOM1_7_TOUT17_P00_8_OUT; case ATOM1_CH7_P02_7: return &IfxGtm_ATOM1_7_TOUT7_P02_7_OUT; case ATOM1_CH7_P15_4: return &IfxGtm_ATOM1_7_TOUT75_P15_4_OUT; case ATOM1_CH7_P20_11: return &IfxGtm_ATOM1_7_TOUT67_P20_11_OUT; case ATOM2_CH0_P00_9: return &IfxGtm_ATOM2_0_TOUT18_P00_9_OUT; case ATOM2_CH0_P13_3: return &IfxGtm_ATOM2_0_TOUT94_P13_3_OUT; case ATOM2_CH0_P20_12: return &IfxGtm_ATOM2_0_TOUT68_P20_12_OUT; case ATOM2_CH0_P33_4: return &IfxGtm_ATOM2_0_TOUT26_P33_4_OUT; case ATOM2_CH0_P33_10: return &IfxGtm_ATOM2_0_TOUT32_P33_10_OUT; case ATOM2_CH1_P11_2: return &IfxGtm_ATOM2_1_TOUT95_P11_2_OUT; case ATOM2_CH1_P20_13: return &IfxGtm_ATOM2_1_TOUT69_P20_13_OUT; case ATOM2_CH1_P33_5: return &IfxGtm_ATOM2_1_TOUT27_P33_5_OUT; case ATOM2_CH2_P11_3: return &IfxGtm_ATOM2_2_TOUT96_P11_3_OUT; case ATOM2_CH2_P20_14: return &IfxGtm_ATOM2_2_TOUT70_P20_14_OUT; case ATOM2_CH2_P33_6: return &IfxGtm_ATOM2_2_TOUT28_P33_6_OUT; case ATOM2_CH3_P00_12: return &IfxGtm_ATOM2_3_TOUT21_P00_12_OUT; case ATOM2_CH3_P11_6: return &IfxGtm_ATOM2_3_TOUT97_P11_6_OUT; case ATOM2_CH3_P15_0: return &IfxGtm_ATOM2_3_TOUT71_P15_0_OUT; case ATOM2_CH3_P33_7: return &IfxGtm_ATOM2_3_TOUT29_P33_7_OUT; case ATOM2_CH4_P11_9: return &IfxGtm_ATOM2_4_TOUT98_P11_9_OUT; case ATOM2_CH4_P15_1: return &IfxGtm_ATOM2_4_TOUT72_P15_1_OUT; case ATOM2_CH4_P33_8: return &IfxGtm_ATOM2_4_TOUT30_P33_8_OUT; case ATOM2_CH4_P33_12: return &IfxGtm_ATOM2_4_TOUT34_P33_12_OUT; case ATOM2_CH5_P11_10: return &IfxGtm_ATOM2_5_TOUT99_P11_10_OUT; case ATOM2_CH5_P13_0: return &IfxGtm_ATOM2_5_TOUT91_P13_0_OUT; case ATOM2_CH5_P15_2: return &IfxGtm_ATOM2_5_TOUT73_P15_2_OUT; case ATOM2_CH5_P20_9: return &IfxGtm_ATOM2_5_TOUT65_P20_9_OUT; case ATOM2_CH5_P33_13: return &IfxGtm_ATOM2_5_TOUT35_P33_13_OUT; case ATOM2_CH6_P11_11: return &IfxGtm_ATOM2_6_TOUT100_P11_11_OUT; case ATOM2_CH6_P13_1: return &IfxGtm_ATOM2_6_TOUT92_P13_1_OUT; case ATOM2_CH6_P15_3: return &IfxGtm_ATOM2_6_TOUT74_P15_3_OUT; case ATOM2_CH6_P20_6: return &IfxGtm_ATOM2_6_TOUT62_P20_6_OUT; case ATOM2_CH6_P20_10: return &IfxGtm_ATOM2_6_TOUT66_P20_10_OUT; case ATOM2_CH6_P32_0: return &IfxGtm_ATOM2_6_TOUT36_P32_0_OUT; case ATOM2_CH7_P11_12: return &IfxGtm_ATOM2_7_TOUT101_P11_12_OUT; case ATOM2_CH7_P13_2: return &IfxGtm_ATOM2_7_TOUT93_P13_2_OUT; case ATOM2_CH7_P15_4: return &IfxGtm_ATOM2_7_TOUT75_P15_4_OUT; case ATOM2_CH7_P20_7: return &IfxGtm_ATOM2_7_TOUT63_P20_7_OUT; case ATOM2_CH7_P20_8: return &IfxGtm_ATOM2_7_TOUT64_P20_8_OUT; case ATOM2_CH7_P20_11: return &IfxGtm_ATOM2_7_TOUT67_P20_11_OUT; case ATOM3_CH0_P00_9: return &IfxGtm_ATOM3_0_TOUT18_P00_9_OUT; case ATOM3_CH0_P13_3: return &IfxGtm_ATOM3_0_TOUT94_P13_3_OUT; case ATOM3_CH0_P14_5: return &IfxGtm_ATOM3_0_TOUT85_P14_5_OUT; case ATOM3_CH0_P15_5: return &IfxGtm_ATOM3_0_TOUT76_P15_5_OUT; case ATOM3_CH0_P15_6: return &IfxGtm_ATOM3_0_TOUT77_P15_6_OUT; case ATOM3_CH0_P33_4: return &IfxGtm_ATOM3_0_TOUT26_P33_4_OUT; case ATOM3_CH0_P33_10: return &IfxGtm_ATOM3_0_TOUT32_P33_10_OUT; case ATOM3_CH1_P11_2: return &IfxGtm_ATOM3_1_TOUT95_P11_2_OUT; case ATOM3_CH1_P14_4: return &IfxGtm_ATOM3_1_TOUT84_P14_4_OUT; case ATOM3_CH1_P14_6: return &IfxGtm_ATOM3_1_TOUT86_P14_6_OUT; case ATOM3_CH1_P15_7: return &IfxGtm_ATOM3_1_TOUT78_P15_7_OUT; case ATOM3_CH1_P15_8: return &IfxGtm_ATOM3_1_TOUT79_P15_8_OUT; case ATOM3_CH1_P33_5: return &IfxGtm_ATOM3_1_TOUT27_P33_5_OUT; case ATOM3_CH2_P11_3: return &IfxGtm_ATOM3_2_TOUT96_P11_3_OUT; case ATOM3_CH2_P14_0: return &IfxGtm_ATOM3_2_TOUT80_P14_0_OUT; case ATOM3_CH2_P14_3: return &IfxGtm_ATOM3_2_TOUT83_P14_3_OUT; case ATOM3_CH2_P33_6: return &IfxGtm_ATOM3_2_TOUT28_P33_6_OUT; case ATOM3_CH3_P00_12: return &IfxGtm_ATOM3_3_TOUT21_P00_12_OUT; case ATOM3_CH3_P11_6: return &IfxGtm_ATOM3_3_TOUT97_P11_6_OUT; case ATOM3_CH3_P14_2: return &IfxGtm_ATOM3_3_TOUT82_P14_2_OUT; case ATOM3_CH3_P33_7: return &IfxGtm_ATOM3_3_TOUT29_P33_7_OUT; case ATOM3_CH4_P11_9: return &IfxGtm_ATOM3_4_TOUT98_P11_9_OUT; case ATOM3_CH4_P14_1: return &IfxGtm_ATOM3_4_TOUT81_P14_1_OUT; case ATOM3_CH4_P33_8: return &IfxGtm_ATOM3_4_TOUT30_P33_8_OUT; case ATOM3_CH4_P33_12: return &IfxGtm_ATOM3_4_TOUT34_P33_12_OUT; case ATOM3_CH5_P11_10: return &IfxGtm_ATOM3_5_TOUT99_P11_10_OUT; case ATOM3_CH5_P13_0: return &IfxGtm_ATOM3_5_TOUT91_P13_0_OUT; case ATOM3_CH5_P33_13: return &IfxGtm_ATOM3_5_TOUT35_P33_13_OUT; case ATOM3_CH6_P11_11: return &IfxGtm_ATOM3_6_TOUT100_P11_11_OUT; case ATOM3_CH6_P13_1: return &IfxGtm_ATOM3_6_TOUT92_P13_1_OUT; case ATOM3_CH6_P20_6: return &IfxGtm_ATOM3_6_TOUT62_P20_6_OUT; case ATOM3_CH6_P32_0: return &IfxGtm_ATOM3_6_TOUT36_P32_0_OUT; case ATOM3_CH7_P11_12: return &IfxGtm_ATOM3_7_TOUT101_P11_12_OUT; case ATOM3_CH7_P13_2: return &IfxGtm_ATOM3_7_TOUT93_P13_2_OUT; case ATOM3_CH7_P20_7: return &IfxGtm_ATOM3_7_TOUT63_P20_7_OUT; default: return NULL; } } //------------------------------------------------------------------------------------------------------------------- // @brief PWM初始化 // @param pwmch PWM通道号及引脚 // @param freq PWM频率 // @param duty PWM占空比 // @return void // Sample usage: gtm_pwm_init(ATOM0_CH7_P02_7, 50, 1000); //ATOM 0模块的通道7 使用P02_7引脚输出PWM PWM频率50HZ 占空比百分之1000/GTM_ATOM0_PWM_DUTY_MAX*100 // GTM_ATOM0_PWM_DUTY_MAX宏定义在zf_gtm_pwm.h 默认为10000 //------------------------------------------------------------------------------------------------------------------- void gtm_pwm_init(ATOM_PIN_enum pwmch, uint32 freq, uint32 duty) { IfxGtm_Atom_Pwm_Config g_atomConfig; IfxGtm_Atom_Pwm_Driver g_atomDriver; IfxGtm_Atom_ToutMap *atom_channel; atom_channel = gtm_atom_mux(pwmch); switch(atom_channel->atom) { case 0: IFX_ASSERT(IFX_VERBOSE_LEVEL_ERROR, duty <= GTM_ATOM0_PWM_DUTY_MAX); break; case 1: IFX_ASSERT(IFX_VERBOSE_LEVEL_ERROR, duty <= GTM_ATOM1_PWM_DUTY_MAX); break; case 2: IFX_ASSERT(IFX_VERBOSE_LEVEL_ERROR, duty <= GTM_ATOM2_PWM_DUTY_MAX); break; case 3: IFX_ASSERT(IFX_VERBOSE_LEVEL_ERROR, duty <= GTM_ATOM3_PWM_DUTY_MAX); break; } IfxGtm_enable(&MODULE_GTM); if(!(MODULE_GTM.CMU.CLK_EN.U & 0x2)) { IfxGtm_Cmu_setClkFrequency(&MODULE_GTM, IfxGtm_Cmu_Clk_0, CMU_CLK_FREQ); IfxGtm_Cmu_enableClocks(&MODULE_GTM, IFXGTM_CMU_CLKEN_CLK0); } IfxGtm_Atom_Pwm_initConfig(&g_atomConfig, &MODULE_GTM); g_atomConfig.atom = atom_channel->atom; g_atomConfig.atomChannel = atom_channel->channel; g_atomConfig.period = CMU_CLK_FREQ/freq; g_atomConfig.pin.outputPin = atom_channel; g_atomConfig.synchronousUpdateEnabled = TRUE; switch(atom_channel->atom) { case 0: g_atomConfig.dutyCycle = (uint32)((uint64)duty * g_atomConfig.period / GTM_ATOM0_PWM_DUTY_MAX); break; case 1: g_atomConfig.dutyCycle = (uint32)((uint64)duty * g_atomConfig.period / GTM_ATOM1_PWM_DUTY_MAX); break; case 2: g_atomConfig.dutyCycle = (uint32)((uint64)duty * g_atomConfig.period / GTM_ATOM2_PWM_DUTY_MAX); break; case 3: g_atomConfig.dutyCycle = (uint32)((uint64)duty * g_atomConfig.period / GTM_ATOM3_PWM_DUTY_MAX); break; } IfxGtm_Atom_Pwm_init(&g_atomDriver, &g_atomConfig); IfxGtm_Atom_Pwm_start(&g_atomDriver, TRUE); } //------------------------------------------------------------------------------------------------------------------- // @brief PWM占空比设置 // @param pwmch PWM通道号及引脚 // @param duty PWM占空比 // @return void // Sample usage: pwm_duty(ATOM0_CH7_P02_7, 5000);//设置占空比为百分之5000/GTM_ATOM0_PWM_DUTY_MAX*100 // GTM_ATOM0_PWM_DUTY_MAX宏定义在zf_gtm_pwm.h 默认为10000 //------------------------------------------------------------------------------------------------------------------- void pwm_duty(ATOM_PIN_enum pwmch, uint32 duty) { uint32 period; IfxGtm_Atom_ToutMap *atom_channel; atom_channel = gtm_atom_mux(pwmch); period = IfxGtm_Atom_Ch_getCompareZero(&MODULE_GTM.ATOM[atom_channel->atom], atom_channel->channel); switch(atom_channel->atom) { case 0: duty = (uint32)((uint64)duty * period / GTM_ATOM0_PWM_DUTY_MAX); break; case 1: duty = (uint32)((uint64)duty * period / GTM_ATOM1_PWM_DUTY_MAX); break; case 2: duty = (uint32)((uint64)duty * period / GTM_ATOM2_PWM_DUTY_MAX); break; case 3: duty = (uint32)((uint64)duty * period / GTM_ATOM3_PWM_DUTY_MAX); break; } IfxGtm_Atom_Ch_setCompareOneShadow(&MODULE_GTM.ATOM[atom_channel->atom], atom_channel->channel, duty); }