📄 key.lst
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< .DEFINE C_Sleep 0x0007; //
<
< .DEFINE C_32K_Work 0x0010; // b4 = 1: at sleep mode,32.768k still work
< .DEFINE C_32K_Off 0x0000; // b4 = 0: at sleep mode,32.768k off
< .DEFINE C_StrongMode 0x0008; // b3 = 1: force strong mode
< .DEFINE C_AutoWeakMode 0x0000; // b3 = 0: auto weak mode(default)
<
< .DEFINE C_PLL_Freq_24M 0x0000 //b5..b7: PLL frequency select
< .DEFINE C_PLL_Freq_20M 0x0020 //
< .DEFINE C_PLL_Freq_32M 0x0040 //
< .DEFINE C_PLL_Freq_40M 0x0060 //
< .DEFINE C_PLL_Freq_49M 0x0080 //
<
<
< // Define for P_ADC_Ctrl
< //----------------------------------------------
< .if BODY_TYPE == SPCE061A
< .DEFINE C_AD_Enable 0x0001; //b0=1: enable A/D converter
< .DEFINE C_AD_Disable 0x0000; //b0=0: disable A/D converter
< .DEFINE C_AD_Line_In 0x0002; //b1=1: microphone disable
< .DEFINE C_AD_MIC_In 0x0000; //b1=0: microphone enable
< .DEFINE C_AGC_Enable 0x0004; //b2=1: enable AGC function
< .DEFINE C_AGC_Disable 0x0000; //b2=0: disable AGC function
< .DEFINE C_AD_Sample 0x0004; //b3=1: sample the analog signal(manual mode)
< .DEFINE C_AD_Hold 0x0000; //b3=0: hold(manual mode)
< .DEFINE C_Auto_Mode 0x0010; //b4=1: A/D auto mode
< .DEFINE C_Manual_Mode 0x0000; //b4=0: A/D manual mode
< //b5: ADINI?
< .DEFINE C_DAC_Current_2mA 0x0040; //b6=1: DAC current = 2mA @ vdd=3V(new option)
< .DEFINE C_DAC_Current_3mA 0x0000; //b6=0: DAC current = 3mA @ vdd=3V(Default)
< .DEFINE C_AD_Vref_VDD 0x0080; //b7=1: Vref is VDD
< .DEFINE C_AD_Vref_VRTPAD 0x0000; //b7=0: Vref is from pin "VRTPAD"
< .DEFINE C_AD_COMP 0x4000; //b14=1: output voltage of DAC0<Analog input signal
< //b14=0: output voltage of DAC0>Analog input signal
< .DEFINE C_AD_RDY 0x8000; //b15=1: A/D digital data ready; 0: not ready
< .endif
<
< .if BODY_TYPE == SPCE500A
< .DEFINE C_AD 0x0001 //
< .DEFINE C_DA 0x0000 //
< .DEFINE C_MIC 0x0000 //
< .DEFINE C_LINE 0x0002 //
< .endif
< //----------------------------------------------
<
<
< // Define for P_DAC_Ctrl
< //----------------------------------------------
< .if BODY_TYPE == SPCE061A
< .DEFINE C_DAC1_Direct 0x0000; // b8 b7: DAC1 latch
< .DEFINE C_DAC1_LatchA 0x0080; // Latch data to DAC1 by TimerA
< .DEFINE C_DAC1_LatchB 0x0100; // Latch data to DAC1 by TimerB
< .DEFINE C_DAC1_LatchAB 0x0180; // Latch data to DAC1 by TimerA or TimerB
<
< .DEFINE C_DAC2_Direct 0x0000; // b6 b5: DAC2 latch
< .DEFINE C_DAC2_LatchA 0x0020; // Latch data to DAC2 by TimerA
< .DEFINE C_DAC2_LatchB 0x0040; // Latch data to DAC2 by TimerB
< .DEFINE C_DAC2_LatchAB 0x0060; // Latch data to DAC2 by TimerA or TimerB
<
< .DEFINE C_ADC_Direct 0x0000; // b4 b3: ADC latch
< .DEFINE C_ADC_LatchA 0x0008; // Latch data to ADC by TimerA
< .DEFINE C_ADC_LatchB 0x0010; // Latch data to ADC by TimerB
< .DEFINE C_ADC_LatchAB 0x0018; // Latch data to ADC by TimerA or TimerB
< .endif
<
< .if BODY_TYPE == SPCE500A
< .DEFINE C_PushPull 0x0000 // b0, (default)
< .DEFINE C_DoubleEnd 0x0001 // b0
< .DEFINE C_DAC_Mode 0x0000 // b1, (default)
< .DEFINE C_PWM_Mode 0x0002 // b1
<
< .DEFINE C_D1_Direct 0x0000 // DAC1 latch
< .DEFINE C_D1_LatchA 0x0008 //
< .DEFINE C_D1_LatchB 0x0010 //
< .DEFINE C_D1_LatchAB 0x0018 //
<
< .DEFINE C_D2_Direct 0x0000 // DAC2 latch
< .DEFINE C_D2_LatchA 0x0020 //
< .DEFINE C_D2_LatchB 0x0040 //
< .DEFINE C_D2_LatchAB 0x00C0 //
< .endif
< //----------------------------------------------
<
< // Define for P_LVD_Ctrl
< //----------------------------------------------
< .if BODY_TYPE == SPCE061A
< .DEFINE C_LVD24V 0x0000; // LVD = 2.4V; b1b0
< .DEFINE C_LVD28V 0x0001; // LVD = 2.8V
< .DEFINE C_LVD32V 0x0002; // LVD = 3.2V
< .endif
<
< .if BODY_TYPE == SPCE500A
< .DEFINE C_LVD26V 0x0000 // LVD = 2.6V
< .DEFINE C_LVD30V 0x0001 // LVD = 3.0V
< .DEFINE C_LVD36V 0x0002 // LVD = 3.6V
< .DEFINE C_LVD40V 0x0003 // LVD = 4.0V
< .endif
<
< .DEFINE C_LVD_Result 0x8000; // b15 = 1: below the selected LVD level
< //----------------------------------------------
<
<
< // SPCE061 flash operation instruction definition
< //----------------------------------------------
< .if BODY_TYPE == SPCE061A
< .DEFINE C_EnableFlashAccess 0xAAAA;
< .DEFINE C_EraseFlashPage 0x5511;
< .DEFINE C_ProgramFlash 0x5533;
< .endif
< //----------------------------------------------
<
<
<
< //===============================================================
< // Sunplus APIs for SPCE 061A
< //===============================================================
< //////////////////////////////////////////////////
< // Note: This register will map to the P_INT_Ctrl
< // (0x7010), The SACMvxx.lib use this register to
< // combine with user's interrupt setting.
< // In SPCE061, it is not necessary since the
< // P_INT_Mask(0x702D) already does this. It is for
< // compatibility to keep it here.
< //////////////////////////////////////////////////
< //.EXTERNAL R_InterruptStatus
<
< //========================================================================================
< // End of SPCE061A.inc
< //========================================================================================
<
<
<
.DEFINE C_DebounceCnt 0x0008;
00000647 .RAM
.PUBLIC KeyBuf //保存键值
.PUBLIC keysum //扫描有键按下的次数
00000647 00 00 .VAR KeyBuf
00000648 00 00 .VAR keysum
00000649 00 00 .VAR R_DebounceReg; //for keyboard scan
0000064A 00 00 .VAR R_DebounceCnt; //for keyboard scan
0000064B 00 00 .VAR R_KeyBuf; //for keyboard scan
0000064C 00 00 .VAR R_KeyStrobe; //for keyboard scan
0000064D 00 00 .VAR KeyValue
.PUBLIC F_Key_Scan_ServiceLoop;
.PUBLIC F_Key_DebounceCnt_Down;
0000A40F .CODE
//*******************************************//
//键盘扫描函数
//函数名称：unsigned F_Key_Scan（）
//出口参数:按键值
//*******************************************//
.PUBLIC _F_Key_Scan;
_F_Key_Scan: .proc
0000A40F 09 93 F0 00 r1 = 0x00F0 //扫描键盘
0000A411 19 D3 00 70 [P_IOA_Data] = r1
0000A413 4F 92 r1 = 0x000f
0000A414 11 B3 00 70 r1 &= [P_IOA_Data]
0000A416 06 4E jnz Have_Key_Pressed
NoKey_Press: //无键按下
0000A417 40 92 r1 = 0
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