参照梁工触摸键数码管的帖子。用触摸键调整pwm占空比。结果发现单独触摸键工作正常,单独pwm也工作正常。但是同时工作,会导致PWM8输出乱掉。完全不是自己设定输出。在触摸按键代码里,关闭触摸中断使能,PWM8就输出正常。PWM8 3.4引脚输出
- void led_driver_init()
- {
- P_SW2 |= 0x80;
-
- PWMB_DTR = 0;
-
- PWMB_CCER2 = 0x00;
- PWMB_CCMR4 = 0x60;
- PWMB_CCER2 = 0x10;
-
- PWMB_CCR8 = 500;
- PWMB_ARR = 1000;
-
- PWMB_PS |= 0x40;
- PWMB_ENO = 0x40;
-
- PWMB_BKR = 0x80;
- PWMB_CR1 = 0x01;
-
- }
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触摸初始化
- void touch_button_int()
- {
- P_SW2 |= 0x80;
-
- TSCHEN2 = 0xe8;
-
- TSCFG1 = (7<<4) + 6;
- TSCFG2 = 1;
-
- IE2 |= 0x80;
- IP2 |= 0x80;
- IP2H |= 0x80;
- // init_zero_status();
- }
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触摸代码都是来自触摸键例程。pwm8输出注释IE2 |= 0x80时:
normal
未注释IE2 |= 0x80,触摸正常工作时:
error
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