1. Name change from chopper to carrier, block diagram update, minor changes to example codes 2. mcpwm_reg.h changed, brought uniformity in comments, worked on suggestions, duty to accept float. Some name changes! 3. Minor readme changes and Indetation 4. Minor change: move mcpwm_reg.h and mcpwm_struct.h to new path 5. Minor change: addition of BLDC example code and Readme 6. Name changed from epwm to mcpwm 7. Improve the reg name in mcpwm_struct.h 8. Name change chopper>carrier, deadband>deadtime
32 lines
1.2 KiB
Markdown
32 lines
1.2 KiB
Markdown
# MCPWM basic config Example
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This example will show you how to use each submodule of MCPWM unit
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The example can't be used without modifying the code first
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Edit the macros at the top of mcpwm_example_basic_config.c to enable/disable the submodules which are used in the example
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## Step 1: Pin assignment
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* The gpio init function initializes:
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* six MCPWM output pins
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* three MCPWM fault input pins
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* three MCPWM sync input pins
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* three MCPWM capture input pins
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## Step 2: Connection
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* Six MCPWM output pins to motor driver input signals
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* Fault, sync, capture signals can be connected to respective signals
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## Step 3: Initialize MCPWM
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* You need to set the frequency and duty cycle of each three MCPWM timer along with other parameters mentioned
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* You need to set the MCPWM channel you want to use, with these timers
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## Step 4: Testing
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* The deadtime module, set deadtime type and with value as time*100ns
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* The sync module, synchonizes all the timer pulses
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* The fault module when enabled takes action on MCPWM signals when fault occurs
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* The capture module captures input signal(digital i.e. hall sensor value, etc), timing between two rising/falling edge
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