stm32f401re_usart.h

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#ifndef STM32F401RE_USART_H__
#define STM32F401RE_USART_H__
 
#include "stm32f401re.h"
#include "common.h"


#define USART_NAME_LEN 6

typedef enum {
    USART_MODE_ASYNC, 
    USART_MODE_SYNC   
} USART_MODE_te;

typedef enum {
    USART_BAUD_RATE_1200    = 1200,
    USART_BAUD_RATE_2400    = 2400,
    USART_BAUD_RATE_9600    = 9600,
    USART_BAUD_RATE_19200   = 19200,
    USART_BAUD_RATE_38400   = 38400,
    USART_BAUD_RATE_57600   = 57600,
    USART_BAUD_RATE_115200  = 115200,
    USART_BAUD_RATE_230400  = 230400,
    USART_BAUD_RATE_460800  = 460800,
    USART_BAUD_RATE_921600  = 921600,
    USART_BAUD_RATE_2000000 = 2000000,
    USART_BAUD_RATE_3000000 = 3000000
} USART_BAUD_RATE_te;

typedef enum {
    USART_PARITY_DISABLED, 
    USART_PARITY_EVEN,     
    USART_PARITY_ODD,      
} USART_PARITY_te;

typedef enum {
    USART_FRAME_DATA_BITS_8, 
    USART_FRAME_DATA_BITS_9  
} USART_FRAME_DATA_BITS_te;

typedef enum {
    USART_OVERSAMPLING_16, 
    USART_OVERSAMPLING_8   
} USART_OVERSAMPLING_te;

typedef enum {
    USART_FRAME_STOP_BITS_1,   
    USART_FRAME_STOP_BITS_0_5, 
    USART_FRAME_STOP_BITS_2,   
    USART_FRAME_STOP_BITS_1_5  
} USART_FRAME_STOP_BITS_te;

typedef enum {
    USART_HW_FLOW_CONTROL_DISABLED, 
    USART_HW_FLOW_CONTROL_ENABLED   
} USART_HW_FLOW_CONTROL_te;

typedef enum {
    USART_SAMPLE_BIT_3, 
    USART_SAMPLE_BIT_1  
} USART_SAMPLE_BIT_te;

typedef enum {
    USART_INTERRUPT_EN_FALSE, 
    USART_INTERRUPT_EN_TRUE   
} USART_INTERRUPT_EN_te;

typedef struct {
    USART_REGDEF_ts *instance;

    USART_MODE_te mode;

    USART_BAUD_RATE_te baud_rate;

    USART_PARITY_te parity;

    USART_FRAME_DATA_BITS_te frame_data_bits;

    USART_OVERSAMPLING_te oversampling;

    USART_FRAME_STOP_BITS_te frame_stop_bits;

    USART_HW_FLOW_CONTROL_te hw_flow_control;

    USART_SAMPLE_BIT_te sample_bit;

    USART_INTERRUPT_EN_te interrupt_en;
} USART_CFG_ts;



void usart_init(USART_CFG_ts *usart_cfg);

void usart_deinit(USART_REGDEF_ts const *usart_instance);

void usart_send(USART_REGDEF_ts *usart_instance, uint8_t *tx_buffer, uint32_t len);

void usart_receive(USART_REGDEF_ts const *usart_instance, uint8_t *rx_buffer, uint32_t len);

void usart_set_transmission(USART_REGDEF_ts *usart_instance, EN_STATUS_te en_status);

void usart_set_reception(USART_REGDEF_ts *usart_instance, EN_STATUS_te en_status);

void usart_get_name(USART_REGDEF_ts const *usart_instance, char *name);

void usart1_irq_data_recv_callback(uint8_t data);

void usart6_irq_data_recv_callback(uint8_t data);

 
#endif