[2bae2aa] | 1 | /* Filename : $RCSfile$ |
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| 2 | * |
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| 3 | * The declarations here have to be in a header file, |
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| 4 | * because they need to be known both to the kernel |
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| 5 | * module (in chardev.c) and the process calling ioctl |
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| 6 | * (ioctl.c) |
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| 7 | */ |
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| 8 | |
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[c99627b] | 9 | /* $Id$ */ |
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[2bae2aa] | 10 | |
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| 11 | #ifndef CHARDEV_H |
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| 12 | #define CHARDEV_H |
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| 13 | |
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[32eca41] | 14 | #if defined(__linux__) |
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[2bae2aa] | 15 | #include <linux/ioctl.h> |
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[32eca41] | 16 | #else |
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| 17 | #define MAJOR_NUM 1 |
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| 18 | #define _IOWR(_x, _y, _t) (_t) ((_x << 16) | (_y << 16)) |
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| 19 | #endif |
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[2bae2aa] | 20 | |
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| 21 | |
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| 22 | /* These are the IOCTL value the pcmmio driver recognizes */ |
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| 23 | |
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| 24 | #define WRITE_DAC_DATA _IOWR(MAJOR_NUM, 0, int) |
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| 25 | |
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| 26 | #define READ_DAC_STATUS _IOWR(MAJOR_NUM, 1, int) |
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| 27 | |
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| 28 | #define WRITE_DAC_COMMAND _IOWR(MAJOR_NUM, 2, int) |
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| 29 | |
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| 30 | #define WRITE_ADC_COMMAND _IOWR(MAJOR_NUM, 3, int) |
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| 31 | |
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| 32 | #define READ_ADC_DATA _IOWR(MAJOR_NUM, 4, int) |
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| 33 | |
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| 34 | #define READ_ADC_STATUS _IOWR(MAJOR_NUM, 5, int) |
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| 35 | |
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| 36 | #define WRITE_DIO_BYTE _IOWR(MAJOR_NUM, 6, int) |
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| 37 | |
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| 38 | #define READ_DIO_BYTE _IOWR(MAJOR_NUM, 7, int) |
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| 39 | |
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| 40 | #define MIO_WRITE_REG _IOWR(MAJOR_NUM, 8, int) |
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| 41 | |
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| 42 | #define MIO_READ_REG _IOWR(MAJOR_NUM, 9, int) |
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| 43 | |
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| 44 | #define WAIT_A2D_INT_1 _IOWR(MAJOR_NUM, 10, int) |
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| 45 | |
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| 46 | #define WAIT_A2D_INT_2 _IOWR(MAJOR_NUM, 11, int) |
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| 47 | |
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| 48 | #define WAIT_DAC_INT_1 _IOWR(MAJOR_NUM, 12, int) |
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| 49 | |
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| 50 | #define WAIT_DAC_INT_2 _IOWR(MAJOR_NUM, 13, int) |
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| 51 | |
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| 52 | #define WAIT_DIO_INT _IOWR(MAJOR_NUM, 14, int) |
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| 53 | |
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| 54 | #define READ_IRQ_ASSIGNED _IOWR(MAJOR_NUM, 15, int) |
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| 55 | |
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| 56 | #define DIO_GET_INT _IOWR(MAJOR_NUM, 16, int) |
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| 57 | |
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| 58 | |
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| 59 | /* The name of the device file */ |
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| 60 | |
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| 61 | #define DEVICE_FILE_NAME "pcmmio" |
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| 62 | |
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| 63 | |
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| 64 | #endif |
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| 65 | |
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| 66 | /* These are the error codes doe mio_error_code */ |
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| 67 | |
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| 68 | #define MIO_SUCCESS 0 |
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| 69 | #define MIO_OPEN_ERROR 1 |
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| 70 | #define MIO_TIMEOUT_ERROR 2 |
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| 71 | #define MIO_BAD_CHANNEL_NUMBER 3 |
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| 72 | #define MIO_BAD_MODE_NUMBER 4 |
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| 73 | #define MIO_BAD_RANGE 5 |
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| 74 | #define MIO_COMMAND_WRITE_FAILURE 6 |
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| 75 | #define MIO_READ_DATA_FAILURE 7 |
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| 76 | #define MIO_MISSING_IRQ 8 |
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| 77 | #define MIO_ILLEGAL_VOLTAGE 9 |
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| 78 | |
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| 79 | |
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| 80 | /* These are DAC specific defines */ |
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| 81 | |
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| 82 | #define DAC_BUSY 0x80 |
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| 83 | |
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| 84 | #define DAC_SPAN_UNI5 0 |
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| 85 | #define DAC_SPAN_UNI10 1 |
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| 86 | #define DAC_SPAN_BI5 2 |
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| 87 | #define DAC_SPAN_BI10 3 |
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| 88 | #define DAC_SPAN_BI2 4 |
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| 89 | #define DAC_SPAN_BI7 5 |
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| 90 | |
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| 91 | /* These are ADC specific defines */ |
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| 92 | |
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| 93 | #define ADC_SINGLE_ENDED 0x80 |
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| 94 | #define ADC_DIFFERENTIAL 0x00 |
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| 95 | |
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| 96 | #define ADC_UNIPOLAR 0x08 |
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| 97 | #define ADC_BIPOLAR 0x00 |
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| 98 | |
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| 99 | #define ADC_TOP_5V 0x00 |
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| 100 | #define ADC_TOP_10V 0x04 |
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| 101 | |
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| 102 | #define ADC_CH0_SELECT 0x00 |
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| 103 | #define ADC_CH1_SELECT 0x40 |
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| 104 | #define ADC_CH2_SELECT 0x10 |
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| 105 | #define ADC_CH3_SELECT 0x50 |
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| 106 | #define ADC_CH4_SELECT 0x20 |
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| 107 | #define ADC_CH5_SELECT 0x60 |
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| 108 | #define ADC_CH6_SELECT 0x30 |
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| 109 | #define ADC_CH7_SELECT 0x70 |
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| 110 | |
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| 111 | /* These are DIO specific defines */ |
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| 112 | |
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| 113 | #define FALLING 1 |
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| 114 | #define RISING 0 |
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| 115 | |
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| 116 | #ifdef LIB_DEFINED |
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| 117 | |
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| 118 | /* These are used by the library functions */ |
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| 119 | |
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| 120 | int mio_error_code; |
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| 121 | char mio_error_string[128]; |
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| 122 | float adc_bitval[16] = {.00, .00, .00, .00, .00, .00, 00, .00, |
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[352ac8d] | 123 | .00, .00, .00, .00, .00, .00, .00, .00 }; |
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[2bae2aa] | 124 | |
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| 125 | unsigned short adc_adjust[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }; |
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| 126 | |
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| 127 | float adc_offset[16] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, |
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[352ac8d] | 128 | 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 }; |
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[2bae2aa] | 129 | |
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| 130 | #else |
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| 131 | |
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| 132 | |
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| 133 | /* The rest of this file is made up of global variables available to application |
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| 134 | code and the function prototypes for all available functions |
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| 135 | */ |
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| 136 | |
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| 137 | |
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| 138 | extern int mio_error_code; |
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| 139 | extern char mio_error_string[128]; |
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| 140 | extern float adc_bitval[16]; |
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| 141 | |
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| 142 | extern unsigned short adc_adjust[16]; |
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| 143 | |
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| 144 | extern float adc_offset[16]; |
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| 145 | |
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| 146 | #endif |
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| 147 | |
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[352ac8d] | 148 | /* part of the porting layer */ |
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| 149 | int check_handle(void); |
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| 150 | int mio_read_irq_assigned(void); |
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[2bae2aa] | 151 | |
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| 152 | int disable_dio_interrupt(void); |
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| 153 | int enable_dio_interrupt(void); |
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| 154 | int disable_dac_interrupt(int dac_num); |
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| 155 | int enable_dac_interrupt(int dac_num); |
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| 156 | int disable_adc_interrupt(int adc_num); |
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| 157 | int enable_adc_interrupt(int adc_num); |
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| 158 | int set_dac_span(int channel, unsigned char span_value); |
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| 159 | int wait_dac_ready(int channel); |
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| 160 | int set_dac_output(int channel, unsigned short dac_value); |
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| 161 | int set_dac_voltage(int channel, float voltage); |
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| 162 | int set_dac_voltage(int channel, float voltage); |
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| 163 | unsigned char read_dio_byte(int offset); |
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| 164 | unsigned char mio_read_reg(int offset); |
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| 165 | int mio_write_reg(int offset, unsigned char value); |
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| 166 | int write_dio_byte(int offset, unsigned char value); |
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| 167 | int write_dac_command(int dac_num,unsigned char value); |
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| 168 | int adc_start_conversion(int channel); |
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| 169 | float adc_get_channel_voltage(int channel); |
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| 170 | int adc_convert_all_channels(unsigned short *buffer); |
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| 171 | float adc_convert_to_volts(int channel, unsigned short value); |
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| 172 | int adc_convert_single_repeated(int channel, unsigned short count, unsigned short *buffer); |
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| 173 | int adc_buffered_channel_conversions(unsigned char *input_channel_buffer,unsigned short *buffer); |
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| 174 | int adc_wait_ready(int channel); |
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| 175 | int write_adc_command(int adc_num,unsigned char value); |
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| 176 | int buffered_dac_output(unsigned char *cmd_buff,unsigned short *data_buff); |
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| 177 | int write_dac_data(int dac_num, unsigned short value); |
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| 178 | unsigned char dac_read_status(int dac_num); |
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| 179 | unsigned char adc_read_status(int adc_num); |
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| 180 | int adc_set_channel_mode(int channel, int input_mode,int duplex,int range); |
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| 181 | unsigned short adc_read_conversion_data(int channel); |
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| 182 | float adc_auto_get_channel_voltage(int channel); |
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| 183 | int dio_read_bit(int bit_number); |
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| 184 | int dio_write_bit(int bit_number, int val); |
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| 185 | int dio_set_bit(int bit_number); |
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| 186 | int dio_clr_bit(int bit_number); |
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| 187 | int dio_enab_bit_int(int bit_number, int polarity); |
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| 188 | int dio_disab_bit_int(int bit_number); |
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| 189 | int dio_clr_int(int bit_number); |
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| 190 | int dio_get_int(void); |
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| 191 | int wait_adc_int(int adc_num); |
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| 192 | int wait_dac_int(int dac_num); |
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| 193 | int wait_dio_int(void); |
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| 194 | |
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