63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
#include "led.h"
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/// @brief Led扫描
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/// @param addr 需要控制的Led的地址（0-7）
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/// @param enable 控制该地址的Led是否点亮
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void Led_Disp(unsigned char addr, unsigned char enable) {
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static unsigned char temp = 0x00;
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static unsigned char temp_old = 0xff;
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if (enable)
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temp |= 0x01 << addr;
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else
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temp &= ~(0x01 << addr);
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if (temp != temp_old) {
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P0 = ~temp;
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P2 = P2 & 0x1f | 0x80;
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P2 &= 0x1f;
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temp_old = temp;
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}
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}
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unsigned char temp_0 = 0x00;
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unsigned char temp_old_0 = 0xff;
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/// @brief 蜂鸣器控制
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/// @param enable
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void Beep(bit enable) {
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if (enable)
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temp_0 |= 0x40;
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else
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temp_0 &= ~(0x40);
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if (temp_0 != temp_old_0) {
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P0 = temp_0;
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P2 = P2 & 0x1f | 0xa0;
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P2 &= 0x1f;
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temp_old_0 = temp_0;
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}
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}
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/// @brief 继电器控制
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/// @param enable
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void Relay(bit enable) {
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if (enable)
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temp_0 |= 0x10;
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else
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temp_0 &= ~(0x10);
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if (temp_0 != temp_old_0) {
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P0 = temp_0;
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P2 = P2 & 0x1f | 0xa0;
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P2 &= 0x1f;
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temp_old_0 = temp_0;
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}
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}
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/// @brief MOTOR控制
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/// @param enable
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void MOTOR(bit enable) {
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if (enable)
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temp_0 |= 0x20;
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else
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temp_0 &= ~(0x20);
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if (temp_0 != temp_old_0) {
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P0 = temp_0;
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P2 = P2 & 0x1f | 0xa0;
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P2 &= 0x1f;
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temp_old_0 = temp_0;
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}
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} |