l_target.h

MC9S12C32 LIN-BUS源码（编译环境：CodeWarriorV3.1）

/* ************************************************************************ *
 *                                                                          *
 *                  Volcano Communications Technologies AB                  *
 *                            All rights reserved                           *
 *                                                                          *
 * ************************************************************************ */

/* ************************************************************************ *
 *         File: l_target.h                                                 *
 *       Author: Anders Kallerdahl/VCT AB                                   *
 *  Description: Target specific definitions for the Star12 microcontroller *
 *                                                                          *
 ****************************************************************************/

#ifndef __L_TARGET_H__
#define __L_TARGET_H__

#include <l_types.h>
#include <ld2_slave.h>
#include <ld2_master.h>

typedef volatile unsigned char l_reg8;

/* Struct that is layed over the Star12 UART */
typedef struct
{
  l_reg8 BDH;  /* base + 0 */
  l_reg8 BDL;  /* base + 1 */
  l_reg8 CR1;  /* base + 2 */
  l_reg8 CR2;  /* base + 3 */
  l_reg8 SR1;  /* base + 4 */
  l_reg8 SR2;  /* base + 5 */
  l_reg8 DRH;  /* base + 6 */
  l_reg8 DRL;  /* base + 7 */
} *l_UART_handle;


/* Define the target specific UART descriptor for the Star12 */
typedef struct 
{
  l_UART_handle sreg_base;            /* Base address to SCI controller            */
  l_reg8*       port_ddr_reg;         /* Data direction register for RX and TX pin */
  l_reg8*       port_data_reg;        /* Data in/out register for RX and TX pin    */
  l_u8          ddr_rx_mask;          /* One bit set mask, masks RX pin in the DDR */
  l_u8          ddr_tx_mask;          /* One bit set mask, masks TX pin in the DDR */
  l_u8          bit_rate_normal_high;/* Bit rate (high) for normal operation */
  l_u8          bit_rate_normal_low; /* Bit rate (low) for normal operation  */
  l_u8          bit_rate_break_high; /* Bit rate for sending BREAK character */
  l_u8          bit_rate_break_low ; /* Bit rate for sending BREAK character */
} l_uart_ram_descriptor, *l_uart_ram_descriptor_handle;

typedef const l_uart_ram_descriptor  l_uart_descriptor;
typedef l_uart_descriptor           *l_uart_descriptor_handle;


/* LIN API function prototypes for master */
L_LIB_PREFIX l_bool l_star12sci_ifc_m_connect (l_ifc_master_handle iii);
L_LIB_PREFIX l_bool l_star12sci_ifc_m_disconnect (l_ifc_master_handle iii);
L_LIB_PREFIX void   l_star12sci_ifc_m_init (l_ifc_master_handle iii, void *uuu, l_master_rom_handle rom);
L_LIB_PREFIX l_u16  l_star12sci_ifc_m_ioctl (l_ifc_master_handle iii,
                                l_ioctl_op op, void *pv);
L_LIB_PREFIX void   l_star12sci_ifc_m_rx (l_ifc_master_handle iii);
L_LIB_PREFIX void   l_star12sci_ifc_m_tx (l_ifc_master_handle iii);
L_LIB_PREFIX void   l_star12sci_sch_set (l_ifc_master_handle iii, 
                            l_schedule_handle sch, l_u8 ent);
L_LIB_PREFIX l_u8   l_star12sci_sch_tick (l_ifc_master_handle iii);
L_LIB_PREFIX void   l_star12sci_ifc_m_goto_sleep (l_ifc_master_handle iii);
L_LIB_PREFIX l_u16  l_star12sci_ifc_m_read_status(l_ifc_master_handle iii);

/* LIN API function prototypes for slave */
L_LIB_PREFIX l_bool l_star12sci_ifc_s_connect (l_ifc_slave_handle iii);
L_LIB_PREFIX l_bool l_star12sci_ifc_s_disconnect (l_ifc_slave_handle iii);
L_LIB_PREFIX void   l_star12sci_ifc_s_init (l_ifc_slave_handle iii, void* uuu, l_slave_rom_handle rom);
L_LIB_PREFIX l_u16  l_star12sci_ifc_s_ioctl (l_ifc_slave_handle iii, 
                                l_ioctl_op op, void *pv);
L_LIB_PREFIX void   l_star12sci_ifc_s_rx (l_ifc_slave_handle iii);
L_LIB_PREFIX void   l_star12sci_ifc_s_tx (l_ifc_slave_handle iii);
L_LIB_PREFIX l_u16  l_star12sci_ifc_s_read_status(l_ifc_slave_handle iii);
L_LIB_PREFIX void   l_star12sci_ifc_s_wakeup(l_ifc_slave_handle iii);

/* LIN API function prototypes for master & slave */
L_LIB_PREFIX l_bool l_star12sci_sys_init(void);
L_LIB_PREFIX void	l_star12sci_bytes_wr( l_u8 skip, l_u8 count, const l_u8* const data, l_u8* dest);
L_LIB_PREFIX void	l_star12sci_bytes_rd(l_u8 skip, l_u8 count, l_u8* const data, l_u8 *src);


void ld2_init_slave (ld2_ifc_slave_handle d_ifc);
l_bool ld2_header_slave (ld2_ifc_slave_handle d_ifc);
l_bool ld2_response_slave (ld2_ifc_slave_handle d_ifc, l_bool success);
void ld2_init_master (ld2_ifc_master_handle d_ifc);
l_bool ld2_header_master (ld2_ifc_master_handle d_ifc);
l_bool ld2_response_master (ld2_ifc_master_handle d_ifc, l_bool success);

#endif /* __L_TARGET_H__ */