【GD32E231_DIY】-04:6路PWM输出

sf116

【GD32E231_DIY】-04:6路PWM输出 [复制链接]

基于TIMER2 CH0\CH1\CH2\CH3、TIMER15 CH0_N、TIMER16 CH0_N 6路PWM输出

1. void PWM_GPIO_config(void)
   
2. {
   
3.     rcu_periph_clock_enable(RCU_GPIOA);
   
4.     /* configure PA6 7(TIMER2 CH0 CH1) as alternate function */
   
5.     gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6 | GPIO_PIN_7);
   
6.     gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_6 | GPIO_PIN_7);
   
7.     gpio_af_set(GPIOA, GPIO_AF_1, GPIO_PIN_6 | GPIO_PIN_7);
   
8.     rcu_periph_clock_enable(RCU_GPIOB);
   
9.     /* configure PB0 1(TIMER2 CH2 CH3) as alternate function */
   
10.     gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_0 | GPIO_PIN_1);
    
11.     gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_0 | GPIO_PIN_1);
    
12.     gpio_af_set(GPIOB, GPIO_AF_1, GPIO_PIN_0|GPIO_PIN_1);
    
13. 
    
14.     rcu_periph_clock_enable(RCU_GPIOB);
    
15.     gpio_mode_set(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_2);
    
16.     gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_2);
    
17.     gpio_bit_reset(GPIOA,GPIO_PIN_2);
    
18. 
    
19.     /* configure PB6 7 8(TIMER15 CH0_ON TIMER16_CH0_ON TIMER15 CH0) as alternate function */
    
20.     gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6 | GPIO_PIN_7 );
    
21.     gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_6 | GPIO_PIN_7);
    
22.     gpio_af_set(GPIOB, GPIO_AF_2, GPIO_PIN_6 | GPIO_PIN_7);
    
23. }
    
24. 
    
25. void TIM2_Config(void)
    
26. {
    
27.     timer_oc_parameter_struct timer_ocintpara;
    
28.     timer_parameter_struct timer_initpara;
    
29.    
    
30.     PWM_GPIO_config();
    
31. 
    
32.     rcu_periph_clock_enable(RCU_TIMER2);
    
33. 
    
34.     timer_deinit(TIMER2);
    
35. 
    
36.     /* TIMER configuration */
    
37.     timer_initpara.prescaler         = 500;
    
38.     timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
    
39.     timer_initpara.counterdirection  = TIMER_COUNTER_UP;
    
40.     timer_initpara.period                       = 5999;
    
41.     timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
    
42.     timer_initpara.repetitioncounter = 0;
    
43.     timer_init(TIMER2,&timer_initpara);
    
44. 
    
45.     /* configurate CH0 in PWM mode0 */
    
46.     timer_ocintpara.ocpolarity  = TIMER_OC_POLARITY_LOW;
    
47.     timer_ocintpara.outputstate = TIMER_CCX_ENABLE;
    
48.     timer_ocintpara.ocidlestate  = TIMER_OC_IDLE_STATE_LOW;
    
49.     timer_channel_output_config(TIMER2,TIMER_CH_0,&timer_ocintpara);
    
50. 
    
51.     timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_0,632);
    
52.     timer_channel_output_mode_config(TIMER2,TIMER_CH_0,TIMER_OC_MODE_PWM0);
    
53.     timer_channel_output_shadow_config(TIMER2,TIMER_CH_0,TIMER_OC_SHADOW_DISABLE);
    
54. 
    
55.     /* configurate CH1 in PWM mode0 */
    
56.     timer_channel_output_config(TIMER2,TIMER_CH_1,&timer_ocintpara);
    
57. 
    
58.     timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_1,940);
    
59.     timer_channel_output_mode_config(TIMER2,TIMER_CH_1,TIMER_OC_MODE_PWM0);
    
60.     timer_channel_output_shadow_config(TIMER2,TIMER_CH_1,TIMER_OC_SHADOW_DISABLE);
    
61. 
    
62.     /* configurate CH2 in PWM mode0 */
    
63.     timer_channel_output_config(TIMER2,TIMER_CH_2,&timer_ocintpara);
    
64. 
    
65.     timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_2,1500);
    
66.     timer_channel_output_mode_config(TIMER2,TIMER_CH_2,TIMER_OC_MODE_PWM0);
    
67.     timer_channel_output_shadow_config(TIMER2,TIMER_CH_2,TIMER_OC_SHADOW_DISABLE);
    
68. 
    
69.     /* configurate CH3 in PWM mode0 */
    
70.     timer_channel_output_config(TIMER2,TIMER_CH_3,&timer_ocintpara);
    
71. 
    
72.     timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_3,632);
    
73.     timer_channel_output_mode_config(TIMER2,TIMER_CH_3,TIMER_OC_MODE_PWM0);
    
74.     timer_channel_output_shadow_config(TIMER2,TIMER_CH_3,TIMER_OC_SHADOW_DISABLE);
    
75. 
    
76.     timer_primary_output_config(TIMER2,ENABLE);
    
77.     /* auto-reload preload enable */
    
78.     timer_auto_reload_shadow_enable(TIMER2);
    
79.     /* auto-reload preload enable */
    
80.     timer_enable(TIMER2);
    
81. 
    
82.     //timer_channel_output_state_config(TIMER2, TIMER_CH_0, TIMER_CCX_DISABLE);
    
83. }
    
84. 
    
85. void TIM15_Config(void)
    
86. {
    
87.     timer_oc_parameter_struct timer_ocintpara;
    
88.     timer_parameter_struct timer_initpara;
    
89.    
    
90.     rcu_periph_clock_enable(RCU_TIMER15);
    
91. 
    
92.     timer_deinit(TIMER15);
    
93. 
    
94.     /* TIMER configuration */
    
95.     timer_initpara.prescaler         = 0;
    
96.     timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
    
97.     timer_initpara.counterdirection  = TIMER_COUNTER_UP;
    
98.     timer_initpara.period                       = 1895;
    
99.     timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
    
100.     timer_initpara.repetitioncounter = 0;
     
101.     timer_init(TIMER15,&timer_initpara);
     
102. 
     
103.     /* configurate CH0 in PWM mode0 */
     
104.     timer_ocintpara.outputstate  = TIMER_CCX_DISABLE;
     
105.     timer_ocintpara.outputnstate = TIMER_CCXN_ENABLE;
     
106.     timer_ocintpara.ocpolarity   = TIMER_OC_POLARITY_HIGH;
     
107.     timer_ocintpara.ocnpolarity  = TIMER_OCN_POLARITY_HIGH;
     
108.     timer_ocintpara.ocidlestate  = TIMER_OC_IDLE_STATE_LOW;
     
109.     timer_ocintpara.ocnidlestate = TIMER_OCN_IDLE_STATE_LOW;
     
110.     timer_channel_output_config(TIMER15,TIMER_CH_0,&timer_ocintpara);
     
111. 
     
112.     timer_channel_output_pulse_value_config(TIMER15,TIMER_CH_0,632);
     
113.     timer_channel_output_mode_config(TIMER15,TIMER_CH_0,TIMER_OC_MODE_PWM0);
     
114.     timer_channel_output_shadow_config(TIMER15,TIMER_CH_0,TIMER_OC_SHADOW_DISABLE);
     
115. 
     
116.     timer_primary_output_config(TIMER15,ENABLE);
     
117.     /* auto-reload preload enable */
     
118.     timer_auto_reload_shadow_enable(TIMER15);
     
119.     /* auto-reload preload enable */
     
120.     timer_enable(TIMER15);
     
121. }
     
122. 
     
123. 
     
124. void TIM16_Config(void)
     
125. {
     
126.     timer_oc_parameter_struct timer_ocintpara;
     
127.     timer_parameter_struct timer_initpara;
     
128.    
     
129.     rcu_periph_clock_enable(RCU_TIMER16);
     
130. 
     
131.     timer_deinit(TIMER16);
     
132. 
     
133.     /* TIMER configuration */
     
134.     timer_initpara.prescaler         = 0;
     
135.     timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
     
136.     timer_initpara.counterdirection  = TIMER_COUNTER_UP;
     
137.     timer_initpara.period                       = 1895;
     
138.     timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
     
139.     timer_initpara.repetitioncounter = 0;
     
140.     timer_init(TIMER16,&timer_initpara);
     
141. 
     
142.     /* configurate CH0 in PWM mode0 */
     
143.     timer_ocintpara.outputstate  = TIMER_CCX_DISABLE;
     
144.     timer_ocintpara.outputnstate = TIMER_CCXN_ENABLE;
     
145.     timer_ocintpara.ocpolarity   = TIMER_OC_POLARITY_HIGH;
     
146.     timer_ocintpara.ocnpolarity  = TIMER_OCN_POLARITY_HIGH;
     
147.     timer_ocintpara.ocidlestate  = TIMER_OC_IDLE_STATE_LOW;
     
148.     timer_ocintpara.ocnidlestate = TIMER_OCN_IDLE_STATE_LOW;
     
149.     timer_channel_output_config(TIMER16,TIMER_CH_0,&timer_ocintpara);
     
150. 
     
151.     timer_channel_output_pulse_value_config(TIMER16,TIMER_CH_0,500);
     
152.     timer_channel_output_mode_config(TIMER16,TIMER_CH_0,TIMER_OC_MODE_PWM0);
     
153.     timer_channel_output_shadow_config(TIMER16,TIMER_CH_0,TIMER_OC_SHADOW_DISABLE);
     
154. 
     
155.     timer_primary_output_config(TIMER16,ENABLE);
     
156.     /* auto-reload preload enable */
     
157.     timer_auto_reload_shadow_enable(TIMER16);
     
158.     /* auto-reload preload enable */
     
159.     timer_enable(TIMER16);
     
160. }
     

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月下良缘

谢谢分享！

xld0932

woniu123

非常感谢，解决了我遇到的问题。