120 lines
4.4 KiB
C
120 lines
4.4 KiB
C
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/*****************************************************************************/
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#define WF_FREQ_MAX_HZ 8000
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/*****************************************************************************/
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#define MCP4725_I2C_ADDRESS 0x62
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#define MCP4725_CMD_WRITEDAC 0x40
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#define MCP4725_CMD_WRITEDACEEPROM 0x60
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#define DAC_MAX_VOLTAGE 0xfff
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/*****************************************************************************/
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#define PWM_PIN 5 // PWM-Pin für DAC0 auf dem Arduino Nano 328
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#define PWM_BIT_WIDTH 12
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#define PWM_MAX_VALUE ((1 << PWM_BIT_WIDTH)-1)
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/*****************************************************************************/
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#define MEAS_LOOP_CNT 20
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#define MAIN_LOOP_DELAY_US 63 // 1/63us = ~16kHz
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/*****************************************************************************/
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/* Message byte definitions: */
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#define MSG_SOM1 0x3c
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#define MSG_SOM2 0x3e
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#define MSG_EOM1 0x0d
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#define MSG_EOM2 0x0a
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#define MSG_TYPE_ANSWER_OK 0x01
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#define MSG_TYPE_ANSWER_NOK 0x02
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#define MSG_TYPE_MEAS_FREQ_INFO 0x03
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#define MSG_TYPE_MEAS_END_INFO 0x04
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#define MSG_TYPE_CONFIG 0x05
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/*****************************************************************************/
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#define CC_STATE_READ_SOM1 20
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#define CC_STATE_READ_SOM2 30
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#define CC_STATE_READ_CMD 40
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#define CC_STATE_READ_DATA 50
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#define CC_STATE_READ_EOM1 60
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#define CC_STATE_READ_EOM2 70
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/*****************************************************************************/
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#define CC_CMD_NO_CMD 0
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#define MSG_INCOMPLETE 10
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#define MSG_COMPLETE 20
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/*****************************************************************************/
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#define CC_CMD_SET_START_FREQ 0x01
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#define CC_CMD_SET_END_FREQ 0x02
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#define CC_CMD_SET_INTERVALL 0x03
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#define CC_CMD_SET_DRIVE_STRENGTH 0x04
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#define CC_CMD_SET_FREQ_STEP 0x05
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#define CC_CMD_START_MEASUREMENT 0x06
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#define CC_CMD_GET_CONFIG 0x10
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#define CC_CMD_EN_CLK 0x20
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#define CC_CMD_DIS_CLK 0x21
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#define CC_CMD_SAV_DFLT 0x22
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#define CC_CMD_SET_CLK_CORR 0x23
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#define CC_CMD_GET_CLK_CORR 0x24
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#define CC_CMD_SET_WF_FREQ 0x30
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#define CC_CMD_SET_WF 0x31
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#define CC_CMD_SET_WF_DC 0x32
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#define CC_CMD_EN_WF 0x33
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/*****************************************************************************/
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#define CC_CMD_SET_START_FREQ_FUNC &cc_setStartFreq
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#define CC_CMD_SET_END_FREQ_FUNC &cc_setEndFreq
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#define CC_CMD_SET_INTERVALL_FUNC &cc_setIntervall
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#define CC_CMD_SET_DRIVE_STRENGTH_FUNC &cc_setDriveStrength
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#define CC_CMD_SET_FREQ_STEP_FUNC &cc_setFreqStep
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#define CC_CMD_START_MEASUREMENT_FUNC &cc_startMeasurement
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#define CC_CMD_GET_CONFIG_FUNC &cc_getConfig
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#define CC_CMD_EN_CLK_FUNC &cc_enableClk
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#define CC_CMD_DIS_CLK_FUNC &cc_disableClk
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#define CC_CMD_SAV_DFLT_FUNC &cc_saveDefaults
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#define CC_CMD_SET_CLK_CORR_FUNC &cc_setClkCorrection
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#define CC_CMD_GET_CLK_CORR_FUNC &cc_getClkCorrection
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#define CC_CMD_SET_WF_FREQ_FUNC &cc_setWFFreq
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#define CC_CMD_SET_WF_FUNC &cc_setWF
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#define CC_CMD_SET_WF_DC_FUNC &cc_setWFDC
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#define CC_CMD_SET_EN_WF_FUNC &cc_enableWF
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/*****************************************************************************/
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#define CC_CMD_SET_START_FREQ_DATA_TO_READ 4 // up to 32 bit = 4 byte => 2 ** 32 = >500000000Hz
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#define CC_CMD_SET_END_FREQ_DATA_TO_READ 4 // up to 32 bit = 4 byte => 2 ** 32 = >500000000Hz
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#define CC_CMD_SET_INTERVALL_DATA_TO_READ 2
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#define CC_CMD_SET_DRIVE_STRENGTH_DATA_TO_READ 1
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#define CC_CMD_SET_FREQ_STEP_DATA_TO_READ 4
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#define CC_CMD_START_MEASUREMENT_DATA_TO_READ 0
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#define CC_CMD_GET_CONFIG_DATA_TO_READ 0
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#define CC_CMD_EN_CLK_DATA_TO_READ 1
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#define CC_CMD_DIS_CLK_DATA_TO_READ 1
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#define CC_CMD_SAV_DFLT_DATA_TO_READ 0
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#define CC_CMD_SET_CLK_CORR_DATA_TO_READ 4
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#define CC_CMD_GET_CLK_CORR_DATA_TO_READ 0
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#define CC_CMD_SET_WF_FREQ_DATA_TO_READ 2
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#define CC_CMD_SET_WF_DATA_TO_READ 1
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#define CC_CMD_SET_WF_DC_DATA_TO_READ 1
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#define CC_CMD_SET_EN_WF_DATA_TO_READ 1
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/*****************************************************************************/
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#define CC_READ_DATA_MAX 64
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/*****************************************************************************/
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