168 lines
5.1 KiB
C
168 lines
5.1 KiB
C
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/*
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* Copyright (c) CompanyNameMagicTag 2012-2019. All rights reserved.
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* Description: Adjust the directory structure to prepare for compiling the SDK. uart_drv.h code
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* Author: CompanyName
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* Create: 2012-07-14
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*/
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#ifndef __UART_DRV_H__
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#define __UART_DRV_H__
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#include <soc_mdm_uart.h>
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#include "los_typedef.h"
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#include "los_event.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define UART_RD_EVENT 0x1
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#define UART_WD_EVENT 0x2
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#define BUF_CIRCLED (1 << 0)
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#define BUF_OVERFLOWED (1 << 1)
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#define BUF_EMPTIED (1 << 2)
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#define UART_FLG_RD_BLOCK (1 << 0)
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#define UART_FLG_WD_BLOCK (1 << 1)
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#define DATA_BIT_5 0x00
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#define DATA_BIT_6 0x01
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#define DATA_BIT_7 0x02
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#define DATA_BIT_8 0x03
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#define STOP_BIT_1 0x00
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#define STOP_BIT_1P5 0x04
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#define STOP_BIT_2 0x04
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#define PARITY_NONE 0x00
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#define PARITY_ODD 0x08
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#define PARITY_EVEN 0x18
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#define UART_DEBUG_INFO
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#define GPIO_SEL_UART 0
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#define GPIO_SEL_GPIO 1
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#define UART_ERR_PARA_INVALID 1
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#define UART_ERR_INIT_CIRC_FAILED 2
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#define UART_ERR_START_FAILED 3
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#define UART_ERR_IOCTL_FAILED 4
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#define UART_ERR_PTR_NULL 5
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#define UART_ERR_OPEN_AGAIN 6
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#define UART_ERR_NOT_OPENED 7
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typedef struct uart_circ_buf {
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unsigned int rp;
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unsigned int wp;
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unsigned int flags;
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char *data;
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unsigned int size;
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} uart_circ_buf_t;
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typedef enum uart_status {
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UART_STATE_NOT_OPENED = 0,
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UART_STATE_USEABLE
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} uart_status;
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typedef enum uart_mode {
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UART_232 = 0
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} uart_mode;
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typedef struct uart_attr {
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unsigned int baudrate;
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unsigned char data_bits;
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unsigned char stop_bits;
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unsigned char parity;
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unsigned char rsv;
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} uart_attr_t;
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typedef struct uart_driver_data uart_driver_data_t;
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typedef struct uart_ops {
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int (*startup)(uart_driver_data_t *udd);
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void (*shutdown)(const uart_driver_data_t *udd);
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int (*start_tx)(uart_driver_data_t *udd, const char *buf, size_t count);
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int (*ioctl)(uart_driver_data_t *udd);
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} uart_ops_t;
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typedef int (*recv_notify)(uart_circ_buf_t *transfer, const char *buf, size_t count);
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typedef int (*send_buf)(uart_circ_buf_t *transfer, char *buf, size_t count);
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#ifdef UART_DEBUG_INFO
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#define uart_set_err_no(err) (udd->uart_stat_info.uart_errno = (err))
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#else
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#define uart_set_err_no(err)
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#endif
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typedef struct {
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unsigned char data[EXT_UART_LAST_RECORD_BYTE_COUNT]; /* Stores the last data sent and received by the UART */
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unsigned int num; /* The subscript of the last stored data */
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} uart_recv_send_last_data_t; /* Record the last data sent and received by the UART */
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typedef struct uart_drv_stat_info {
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unsigned int uart_errno;
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unsigned int recv_irq_cnt;
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unsigned int recv_irq_data_cnt;
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unsigned int recv_irq_data_suc_cnt;
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unsigned int recv_buf_overflow_cnt;
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unsigned int read_circ_cnt;
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unsigned int send_irq_cnt;
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unsigned int send_irq_data_cnt;
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unsigned int write_circ_cnt;
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unsigned int recv_irq_err_overrun;
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unsigned int recv_irq_err_parity;
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unsigned int recv_irq_err_frame;
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unsigned int recv_irq_err_break;
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unsigned int recv_irq_err_busy;
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unsigned int recv_irq_err_emptyfifo_cnt;
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uart_recv_send_last_data_t recv_last_context;
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uart_recv_send_last_data_t send_last_context;
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} uart_drv_stat_info_t;
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struct uart_driver_data {
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#ifdef UART_DEBUG_INFO
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uart_drv_stat_info_t uart_stat_info;
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#endif
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unsigned int num;
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uart_mode type;
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unsigned int phys_base;
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unsigned int irq_num;
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uart_circ_buf_t *rx_transfer;
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uart_circ_buf_t *tx_transfer;
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unsigned short flags;
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unsigned short usr_flag; /* Used for user layer to pass information for drive control */
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EVENT_CB_S uart_event;
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int count;
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int state;
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recv_notify rx_recv;
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send_buf tx_send;
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uart_ops_t *ops;
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uart_attr_t attr;
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};
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#define uart_error(msg...) \
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do { \
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dprintf("\n"); \
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dprintf("<uart,err>:%s,%d: ", __func__, __LINE__); \
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dprintf(msg); \
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dprintf("\n"); \
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} while (0)
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void uart_tx_interrupt_enable(EXT_CONST uart_driver_data_t *udd);
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int uart_circ_buf_empty(EXT_CONST uart_circ_buf_t *transfer);
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unsigned int uart_init_circ_buf(uart_driver_data_t *udd, unsigned int rx_fifo_size, unsigned int tx_fifo_size);
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void uart_deinit_circ_buf(uart_driver_data_t *udd);
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int uart_read_circ_buf(uart_circ_buf_t *transfer, char *buf, size_t count);
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int uart_write_circ_buf(uart_circ_buf_t *transfer, const char *buf, size_t count);
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void uart_set_tx_mode(uart_driver_data_t *udd);
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unsigned char uart_rx_fifo_num(EXT_CONST uart_driver_data_t *udd);
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void uart_tx_interrupt_disable(EXT_CONST uart_driver_data_t *udd);
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void uart_tf_interrupt_disable(EXT_CONST uart_driver_data_t *udd);
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void uart_rx_interrupt_disable(EXT_CONST uart_driver_data_t *udd);
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extern uart_ops_t g_uart_driver_uops;
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#ifdef __cplusplus
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}
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#endif
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#endif /* __UART_DRV_H__ */
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