This commit is contained in:
2022-02-04 10:14:45 -06:00
parent 2e0a643432
commit a7303fe5f9
7 changed files with 221 additions and 101 deletions

View File

@@ -15,37 +15,109 @@
#define PIEZOSPEAKER_H_
// RCC
#define RCC_AHB1ENR (volatile uint32_t*) 0x40023830
#define RCC_APB1ENR (volatile uint32_t*) 0x40023840
typedef struct {
uint32_t CR;
uint32_t PLL_CFGR;
uint32_t CFGR;
uint32_t CIR;
uint32_t AHB1RSTR;
uint32_t AHB2RSTR;
uint32_t AHB3RSTR;
uint32_t _RESERVED_1_;
uint32_t APB1RSTR;
uint32_t APB2RSTR;
uint32_t _RESERVED_2_;
uint32_t _RESERVED_3_;
uint32_t AHB1ENR;
uint32_t AHB2ENR;
uint32_t AHB3ENR;
uint32_t _RESERVED_4_;
uint32_t APB1ENR;
uint32_t APB2ENR;
uint32_t _RESERVED_5_;
uint32_t _RESERVED_6_;
} RCC;
// GPIOB
#define GPIOB_MODER (volatile uint32_t*) 0x40020400
#define GPIOBEN 1
#define GPIOB_AFRL (volatile uint32_t*) 0x40020420
#define AFRL_TIM3_CH1_EN 17
typedef struct {
uint32_t MODER;
uint32_t OTYPER;
uint32_t OSPEEDER;
uint32_t PUPDR;
uint32_t IDR;
uint32_t ODR;
uint32_t BSRR;
uint32_t LCKR;
uint32_t AFRL;
uint32_t AFRH;
} GPIO;
// Timer 3
#define TIM3_EN 1
#define TIM3_CCMR1 (volatile uint32_t*) 0x40000418
#define OC1PE 3
#define OC1M_PWM2 0b1110000
#define TIM3_CCER (volatile uint32_t*) 0x40000420
#define CCER_CC1E 1
#define TIM3_EGR (volatile uint32_t*) 0x40000414
#define EGR_UG 1
#define TIM3_PSC (volatile uint32_t*) 0x40000428
#define TIM3_ARR (volatile uint32_t*) 0x4000042C
#define TIM3_CCR1 (volatile uint32_t*) 0x40000434
#define TIM3_CR1 (volatile uint32_t*) 0x40000400
#define CR_ARPE_EN 7
#define CR_CEN 1
typedef struct {
uint32_t CR1;
uint32_t CR2;
uint32_t SMCR;
uint32_t DIER;
uint32_t SR;
uint32_t EGR;
uint32_t CCMR1;
uint32_t CCMR2;
uint32_t CCER;
uint32_t CNT;
uint32_t PSC;
uint32_t ARR;
uint32_t _RESERVED_1_;
uint32_t CCR1;
uint32_t CCR2;
uint32_t CCR3;
uint32_t CCR4;
uint32_t _RESERVED_2_;
uint32_t DCR;
uint32_t DMAR;
uint32_t TIM2_OR;
uint32_t TIM5_OR;
} TIM;
#define PB4_AF_V 0b10
#define PB4_AF_P 9
#define pitchDivisor 1000000
// SYSCFG
typedef struct {
uint32_t MEMRMP;
uint32_t PMC;
uint32_t EXTICR1;
uint32_t EXTICR2;
uint32_t EXTICR3;
uint32_t EXTICR4;
uint32_t CMPCR;
uint32_t CFGR;
} SYSCFG;
typedef struct{
// Interrupt
#define SYSCFG_EXTICR4 (volatile uint32_t*) 0x40013814
#define NVIC_ISER1 (volatile uint32_t*) 0xE000E104
typedef struct {
uint32_t IMR;
uint32_t EMR;
uint32_t RTSR;
uint32_t FTSR;
uint32_t SWIER;
uint32_t PR;
} EXTI;
typedef struct {
unsigned int noteFrequency;
unsigned int noteDuration;
} Note;
@@ -59,6 +131,10 @@ void play_note(Note noteToPlay);
// Iterates through an array of note structs and ends at the termination value "END"
void play_song(Note *songToPlay);
void play_note_br(Note noteToplay);
void play_song_br(Note *songToPlay);
// Frequency Value Signifying a rest
#define r 1