Pulse-Width Modulation Function Documentation
Sys_PWM_GPIOConfig
void Sys_PWM_GPIOConfig(uint8_t gpio, uint8_t channel, uint32_t cfg, uint8_t inverted)
Location: pwm.h:60
Parameters
Direction | Name | Description |
---|---|---|
in |
gpio |
Pad to configure as the output for the specified PWM channel |
in |
channel |
PWM channel |
in |
cfg |
Configuration of the GPIO pad |
in |
inverted |
Output PWM interface signal inverted |
Example Code for Sys_PWM_GPIOConfig |
// Enable PWM channel 0 on GPIO5. Use a non-inverted waveform Sys_PWM_GPIOConfig(PWM0_GPIO5, PWM_CH0, GPIO_6X_DRIVE | GPIO_LPF_DISABLE | GPIO_STRONG_PULL_UP, PWM_NON_INVERTED); |
Sys_PWM_Config
void Sys_PWM_Config(uint8_t channel, uint32_t period, float duty_cycle, uint32_t offset)
Location: pwm.h:85
Parameters
Direction | Name | Description |
---|---|---|
in |
channel |
PWM channel |
in |
period |
Length of a PWM period |
in |
duty_cycle |
Duty cycle value (expressed in percentage) |
in |
offset |
Cycles between the rising edge of the specified PWM channel and the rising edge of PWM channel 0 |
Example Code for Sys_PWM_Config |
// Configure PWM channel 0 to a period of 2, with 50% duty cycle an no offset Sys_PWM_Config(PWM_CH0, 2, 50, 0); |
Sys_PWM_Enable
void Sys_PWM_Enable(uint32_t enable)
Location: pwm.h:113
Parameters
Direction | Name | Description |
---|---|---|
in |
enable |
PWM channel |
Example Code for Sys_PWM_Enable |
// Enable output of PWM channel 0 Sys_PWM_Enable(PWM0_ENABLE); |
Sys_PWM_Disable
void Sys_PWM_Disable(uint32_t disable)
Location: pwm.h:125
Parameters
Direction | Name | Description |
---|---|---|
in |
disable |
PWM channel |
Example Code for Sys_PWM_Disable |
// Disable output of PWM channel 0, clear the counter and prescaler Sys_PWM_Disable(PWM0_ENABLE); |
Sys_PWM_Reset_Channel
void Sys_PWM_Reset_Channel(uint32_t reset)
Location: pwm.h:137
Parameters
Direction | Name | Description |
---|---|---|
in |
reset |
PWM channel |
Example Code for Sys_PWM_Reset_Channel |
// Reset PWM channel 0 Sys_PWM_Reset_Channel(PWM0_RESET); |