Files
nixos-configs/src/timer.h
Alexander Heldt 062a014c7c Add timer.{h, c}
2024-08-11 12:31:05 +02:00

39 lines
1.4 KiB
C

#ifndef TIMER_H_
#define TIMER_H_
#include <inttypes.h>
struct timer {
volatile uint32_t CR1; // Control register 1
volatile uint32_t CR2; // Control register 2
volatile uint32_t SMCR; // Slave mode control register
volatile uint32_t DIER; // DMA/interrupt enable registe
volatile uint32_t SR; // Status register
volatile uint32_t EGR; // Event generation register
volatile uint32_t CCMR1; // Capture/compare mode register 1
volatile uint32_t CCMR2; // Capture/compare mode register 2
volatile uint32_t CCER; // Capture/compare enable register
volatile uint32_t CNT; // Counter
volatile uint32_t PSC; // Prescalar
volatile uint32_t ARR; // Auto-reload register
volatile uint32_t RCR; // Repetition counter registe
volatile uint32_t CCR1; // Capture/compare register 1
volatile uint32_t CCR2; // Capture/compare register 2
volatile uint32_t CCR3; // Capture/compare register 3
volatile uint32_t CCR4; // Capture/compare register 4
volatile uint32_t BDTR; // Break and dead-time register
volatile uint32_t DCR; // DMA control register
volatile uint32_t DMAR; // DMA address for full transfer
};
#define TIM4_BASE_ADDR (0x40000800U)
#define TIM4 ((struct timer *) TIM4_BASE_ADDR)
#define TIM4_CR_CEN_BIT 0
#define TIM4_ENABLE (1 << TIM4_CR_CEN_BIT)
void tim4_init(void);
void tim4_start(void);
#endif