PIC18F4539T-E/PT【PDF 27/322 页】IC PIC MCU FLASH 12KX16 44TQFP

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Sheet目录3881

23页 24页 25页 26页 [27页]28页 29页 30页 31页

PIC18FXX39

DS30485A-page 120

Preliminary

2002 Microchip Technology Inc.

void ProMPT_SetLineVoltage(unsigned char voltage)

Resources used: Hardware Multiplier; 0 stack levels

voltage range: 0 to 255

Description: Sets the line voltage for Automatic Voltage Compensation. The units for SetLineVoltage and

SetMotorVoltage must be the same for accurate operation. The values passed to SetMotorVoltage and

SetLineVoltage can be the same to disable voltage compensation.

void ProMPT_SetMotorVoltage(unsigned char voltage)

Resources used: Hardware Multiplier; 0 stack levels

voltage range: 0 to 255

Description: Sets the motor rating for Automatic Voltage Compensation. The units for SetLineVoltage and

SetMotorVoltage must be the same for accurate operation. The values passed to SetMotorVoltage and

SetLineVoltage can be the same to disable voltage compensation.

void ProMPT_SetParameter(unsigned char parameter, unsigned char value)

Resources used: 0 stack levels

parameter range:

Description: In addition to its pre-defined API methods, the ProMPT kernel allows the user to custom define up to 16

functions for control or communication purposes not covered by the ProMPT APIs. This function sets the value of the

specified user defined function.

void ProMPT_SetPWMfrequency(unsigned char PWMfrequency)

PWMfrequency values: 0 or 1

Resources used: Timer2; 1 stack level

Description: This sets and changes the PWM switching frequency. Typically, this is set with the Init() function.

When PWMfrequency is ‘0’, the module’s operating frequency is 9.75 kHz. When PWMfrequency is ‘1’, the module’s

operating frequency is 19.53 kHz.

void ProMPT_SetVFCurve(unsigned char point, unsigned char value)

Resources used: Hardware Multiplier; 0 stack level

point range: 0 to 16 (0 = 0 Hz, 1 = 8 Hz, 2 = 16 Hz……. 17 = 128 Hz)

value range: 0 to 200

Description: This sets one of the 17 modulation values (in %) for the V/F curve. Each point represents a frequency

increment of 8 Hz, ranging from point 0 (0 Hz) to point 16 (128 Hz).

unsigned char ProMPT_Tick(void)

Resources used: 1 stack level

Description: The value of the Tick timer flag becomes ‘1’ every 62.5 ms (1/16 second). This can be used for timing

applications. clearTick must be called in the timing routine when this is serviced.

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