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StepperII
Dual Axis Stepper Controller
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CBaseio.h
00001 00002 #pragma once 00003 #include "bitops.h" 00004 00005 #define DECLARE_BASE_IO_CLASS(port, bit) \ 00006 BASE_IO(PORT ## port, \ 00007 DDR ## port, \ 00008 PIN ## port, \ 00009 bit, \ 00010 BASE_IO_ ## port ## bit) // Class name is BASE_IO_PB 00011 // where P = A,B,C... B = 0,1,.. 00012 // The USB process threw me a curve. Bit names are different! 00013 // Just going to use the raw number. i.e. PB7 -> 7 00014 // P ## port ## bit, 00015 00016 //--------------------------------------------------------------------------- 00018 /* 00019 Private Bit Operations: 00020 void setPORT(void) PORTx high 00021 void clearPORT(void) PORTx low 00022 void togglePORT(void) Toggle PORTx 00023 00024 void setDDR(void) DDRx high 00025 void clearDDR(void) DDRx low 00026 00027 unsigned char readPIN(void) Return PINx 00028 unsigned char readPIN_al(void) Return inverted PINx 00029 00030 Protected Operations: 00031 void initOut() Port out, data low 00032 void initOut_al() Port out, data high (active low) 00033 void initIn() Port in 00034 void initPullup() Port in, pullup on 00035 void hiZ(void) Port in, pullup off 00036 00037 void on(void) Data high 00038 void off(void) Data low 00039 unsigned char read(void) Return data in 00040 00041 void on_al(void) Data low 00042 void off_al(void) Data high 00043 unsigned char read_al(void) Return inverted data in 00044 00045 void toggle(void) Toggle data 00046 unsigned char toggle(char x) Toggle and return data 00047 unsigned char toggle_al(char x) Toggle and return inverted data 00048 */ 00049 00050 //--------------------------------------------------------------------------- 00052 00053 #define BASE_IO(PORTx, DDRx, PINx, BIT, BASE_NAME) \ 00054 class BASE_NAME /* Unique class name */ \ 00055 { \ 00056 private: /* All bit operations */ \ 00057 void setPORT(void) \ 00058 { BIT_SET(PORTx, BIT); } /* Set output high */ \ 00059 void clearPORT(void) \ 00060 { BIT_CLEAR(PORTx, BIT); } /* Set output low */ \ 00061 void togglePORT(void) \ 00062 { BIT_TOGGLE(PORTx, BIT); } /* Toggles the output bit */ \ 00063 void togglePORT_MX(void) \ 00064 { BIT_TOGGLE_MX(PINx, BIT); } /* Write 1 to PIN to toggle */ \ 00065 void setDDR(void) \ 00066 { BIT_SET(DDRx, BIT); } /* Set pin direction to out */ \ 00067 void clearDDR(void) \ 00068 { BIT_CLEAR(DDRx, BIT); } /* Set pin direction to in */ \ 00069 unsigned char readPIN(void) \ 00070 { \ 00071 unsigned char retVal; \ 00072 retVal = BIT_READ(PINx, BIT); \ 00073 return retVal; /* Creates minimum code */ \ 00074 } \ 00075 unsigned char readPIN_al(void) \ 00076 { \ 00077 unsigned char retVal; \ 00078 retVal = BIT_READ_AL(PINx, BIT); \ 00079 return retVal; /* Creates minimum code */ \ 00080 } \ 00081 protected: \ 00082 BASE_NAME() /* Constructor */ \ 00083 { } \ 00084 void initOut() \ 00085 { clearPORT(); setDDR(); } /* Set pin direction to output */ \ 00086 void initOut_al() \ 00087 { setPORT(); setDDR(); } /* Set pin direction to output */ \ 00088 void initIn() \ 00089 { clearDDR(); } /* Set pin direction to input */ \ 00090 void initPullup() \ 00091 { clearDDR(); setPORT(); } /* Set pin to input w/pullup */ \ 00092 void hiZ(void) \ 00093 { clearDDR(); clearPORT(); } /* Input with pullup off */ \ 00094 /* Active high methods for on(), off(), and read() */ \ 00095 void on(void) \ 00096 { setPORT(); } /* Set output "active high" */ \ 00097 void off(void) \ 00098 { clearPORT(); } /* Set output "inactive low" */ \ 00099 unsigned char read(void) /* Return "active high" read */ \ 00100 { return readPIN(); } \ 00101 /* Active low methods for on(), off(), and read() */ \ 00102 void on_al(void) \ 00103 { clearPORT(); } /* Set output "active low" */ \ 00104 void off_al(void) \ 00105 { setPORT(); } /* Set output "inactive high" */ \ 00106 unsigned char read_al(void) /* Return "active low" read */ \ 00107 { return readPIN_al(); } \ 00108 void toggle(void) \ 00109 { togglePORT(); } /* Toggles the output bit */ \ 00110 unsigned char toggle(char x) \ 00111 { \ 00112 toggle(); \ 00113 return read(); \ 00114 } \ 00115 unsigned char toggle_al(char x) \ 00116 { \ 00117 toggle(); \ 00118 return read_al(); \ 00119 } \ 00120 void toggleMX(void) \ 00121 { togglePORT_MX(); } /* Toggles the output bit */ \ 00122 }; 00123 00124 //--------------------------------------------------------------------------- 00125 // End of File 00126 //---------------------------------------------------------------------------
