neorv32_pwm.h

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// #################################################################################################
// # << NEORV32: neorv32_pwm.h - Pulse Width Modulation Controller (PWM) HW Driver >>              #
// # ********************************************************************************************* #
// # BSD 3-Clause License                                                                          #
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// # Copyright (c) 2023, Stephan Nolting. All rights reserved.                                     #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32              (c) Stephan Nolting #
// #################################################################################################
 
 
/**********************************************************************/
#ifndef neorv32_pwm_h
#define neorv32_pwm_h
 
/**********************************************************************/
typedef volatile struct __attribute__((packed,aligned(4))) {
  uint32_t CTRL;  
  uint32_t DC[3]; 
} neorv32_pwm_t;
 
#define NEORV32_PWM ((neorv32_pwm_t*) (NEORV32_PWM_BASE))
 
enum NEORV32_PWM_CTRL_enum {
  PWM_CTRL_EN    =  0, 
  PWM_CTRL_PRSC0 =  1, 
  PWM_CTRL_PRSC1 =  2, 
  PWM_CTRL_PRSC2 =  3  
};
/**********************************************************************/
int     neorv32_pwm_available(void);
void    neorv32_pwm_setup(int prsc);
void    neorv32_pwm_disable(void);
void    neorv32_pwm_enable(void);
int     neorv32_pmw_get_num_channels(void);
void    neorv32_pwm_set(int channel, uint8_t dc);
uint8_t neorv32_pwm_get(int channel);
#endif // neorv32_pwm_h