📄 bdm.h
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#define _BDM12_WRITE_Y 0x46
#define _BDM12_WRITE_SP 0x47
#define _BDM12_GO_UNTIL 0x0C
#define BDM12_CCR_ADDR 0xFF06 /* address of CCR register in BDM memory space */
#define BDM12_STS_ADDR 0xFF01 /* location of BDM Status register */
#define BDM12_GUESS_ADDR 0xFF00 /* location of register to be read when trying to guess speed of the target */
/* following macros perform individual BDM command */
/* naming convention: bdm_cmd_x_y, where x in number of input parameters, y is number of output paramreters */
/* suffxes indicate Word or Byte width */
/* HC/S12(X) wait times (in case ACKN is not used) are longer than those required for HCS08, so HCS08 can use the same macros */
/* HCS08 should support ACKN anyway */
/* no parameter */
#define BDM_CMD_0_0(cmd) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait64()
/* write word */
#define BDM_CMD_1W_0(cmd,parameter) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((parameter)>>8)&0x00ff),\
bdm_tx(((parameter)&0x00ff)),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait64()
/* read word */
#define BDM_CMD_0_1W(cmd,parameter) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait64(),\
*((unsigned char *)((void *)(parameter)))=bdm_rx(),\
*((unsigned char *)((void *)(parameter))+1)=bdm_rx()
/* write word & read byte (read word but return byte - HC/S12(x)) */
#define BDM_CMD_1W_1WB(cmd, parameter, result) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((parameter)>>8)&0x00ff),\
bdm_tx(((parameter)&0x00ff)),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait150();\
if ((parameter)&0x0001) {\
bdm_rx();\
*((unsigned char *)((void *)(result)))=bdm_rx();\
} else {\
*((unsigned char *)((void *)(result)))=bdm_rx();\
bdm_rx();\
}
/* write 2 words */
#define BDM_CMD_2W_0(cmd, parameter1, parameter2) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((parameter1)>>8)&0x00ff),\
bdm_tx(((parameter1)&0x00ff)),\
bdm_tx(((parameter2)>>8)&0x00ff),\
bdm_tx(((parameter2)&0x00ff)),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait150()
/* write word and a byte (sends 2 words, the byte in both high and low byte of the 16-bit value) */
#define BDM_CMD_2WB_0(cmd, parameter1, parameter2) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((parameter1)>>8)&0x00ff),\
bdm_tx(((parameter1)&0x00ff)),\
bdm_tx(((parameter2)&0x00ff)),\
bdm_tx(((parameter2)&0x00ff)),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait150()
/* write word & read word */
#define BDM_CMD_1W_1W(cmd, parameter, result) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((parameter)>>8)&0x00ff),\
bdm_tx(((parameter)&0x00ff)),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait150(),\
*((unsigned char *) ((void *)(result)))=bdm_rx(),\
*((unsigned char *) ((void *)(result))+1)=bdm_rx()
/* write cmd & read status byte ( HCS08 ) */
#define BDM_CMD_1C_1SB(cmd, result) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx_finish(),*((unsigned char *)((void *)(result)))=bdm_rx()
/* read word */
#define BDM_CMD_0_1B(cmd,parameter) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait64(),\
*((unsigned char *)((void *)(parameter)))=bdm_rx()
/* write byte */
#define BDM_CMD_1B_0(cmd,value ) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((value)&0x00ff)),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait64()
/* write word & read byte (read word but return byte - */
#define BDM_CMD_1W_1B(cmd, parameter, result) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((parameter)>>8)&0x00ff),\
bdm_tx(((parameter)&0x00ff)),\
bdm_tx_finish(), (bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait64(), *((unsigned char *)((void *)(result)))=bdm_rx()
/* write 1 words then delay then 1byte*/
#define BDM_CMD_1W1B_0(cmd, parameter1, parameter2) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((parameter1)>>8)&0x00ff),\
bdm_tx(((parameter1)&0x00ff)),\
bdm_tx(((parameter2))&0x00ff),\
bdm_tx_finish(),\
(bdm_status.ackn==ACKN)?bdm_ackn():bdm_wait150()
//Special for Reset
#define BDM_CMD_R(cmd, parameter1, parameter2) bdm_tx_prepare(),\
bdm_tx(cmd),\
bdm_tx(((parameter1)>>8)&0x00ff),\
bdm_tx(((parameter1)&0x00ff)),\
bdm_tx(((parameter2))&0x00ff)
/* definitions of the actual commands - these should be used in the C-code */
/* all BDM commands need to be called with interrupts disabled (ither by hand or for example from within an ISR) */
/* value is 8 or 16 bit value, addr is 16 bit address, value_p is pointer to 8 or 16 bit variable */
/* FIRMWARE COMMANDS */
#define BDM_CMD_GO() BDM_CMD_0_0(_BDM_GO)
#define BDM12_CMD_GO_UNTIL() BDM_CMD_0_0(_BDM12_GO_UNTIL)
#define BDM_CMD_TRACE1() BDM_CMD_0_0(_BDM_TRACE1)
#define BDM_CMD_TAGGO() BDM_CMD_0_0(_BDM_TAGGO)
/* write memory using X as a pointer with automatic pre-increment */
#define BDM12_CMD_WRITE_NEXT(value) BDM_CMD_1W_0(_BDM12_WRITE_NEXT,value)
/* write register commands */
#define BDM12_CMD_WRITE_PC(value) BDM_CMD_1W_0(_BDM12_WRITE_PC,value)
#define BDM12_CMD_WRITE_D(value) BDM_CMD_1W_0(_BDM12_WRITE_D,value)
#define BDM12_CMD_WRITE_X(value) BDM_CMD_1W_0(_BDM12_WRITE_X,value)
#define BDM12_CMD_WRITE_Y(value) BDM_CMD_1W_0(_BDM12_WRITE_Y,value)
#define BDM12_CMD_WRITE_SP(value) BDM_CMD_1W_0(_BDM12_WRITE_SP,value)
/* read memory using X as a pointer with automatic pre-increment */
#define BDM12_CMD_READ_NEXT(value_p) BDM_CMD_0_1W(_BDM12_READ_NEXT,value_p)
/* read register commands */
#define BDM12_CMD_READ_PC(value_p) BDM_CMD_0_1W(_BDM12_READ_PC,value_p)
#define BDM12_CMD_READ_D(value_p) BDM_CMD_0_1W(_BDM12_READ_D,value_p)
#define BDM12_CMD_READ_X(value_p) BDM_CMD_0_1W(_BDM12_READ_X,value_p)
#define BDM12_CMD_READ_Y(value_p) BDM_CMD_0_1W(_BDM12_READ_Y,value_p)
#define BDM12_CMD_READ_SP(value_p) BDM_CMD_0_1W(_BDM12_READ_SP,value_p)
/* HARDWARE COMMANDS */
#define BDM_CMD_ACK_ENABLE() BDM_CMD_0_0(_BDM_ACK_ENABLE)
#define BDM_CMD_ACK_DISABLE() BDM_CMD_0_0(_BDM_ACK_DISABLE)
#define BDM_CMD_BACKGROUND() BDM_CMD_0_0(_BDM_BACKGROUND)
/* read and write commands */
#define BDM12_CMD_WRITEW(addr,value) BDM_CMD_2W_0(_BDM12_WRITE_WORD,addr,value)
#define BDM12_CMD_WRITEB(addr,value) BDM_CMD_2WB_0(_BDM_WRITE_BYTE,addr,value)
#define BDM12_CMD_READW(addr,value_p) BDM_CMD_1W_1W(_BDM12_READ_WORD,addr,value_p)
#define BDM12_CMD_READB(addr,value_p) BDM_CMD_1W_1WB(_BDM_READ_BYTE,addr,value_p)
/* read and writes from/to the BDM memory space */
#define BDM12_CMD_BDWRITEW(addr,value) BDM_CMD_2W_0(_BDM12_WRITE_BD_WORD,addr,value)
#define BDM12_CMD_BDWRITEB(addr,value) BDM_CMD_2WB_0(_BDM12_WRITE_BD_BYTE,addr,value)
#define BDM12_CMD_BDREADW(addr,value_p) BDM_CMD_1W_1W(_BDM12_READ_BD_WORD,addr,value_p)
#define BDM12_CMD_BDREADB(addr,value_p) BDM_CMD_1W_1WB(_BDM12_READ_BD_BYTE,addr,value_p)
/* read register commands */
#define BDM08_CMD_READSTATUS(value_p) BDM_CMD_1C_1SB(_BDM08_READ_STATUS,value_p)
#define BDM08_CMD_WRITECONTROL(value) BDM_CMD_1B_0(_BDM08_WRITE_CONTROL,value )
#define BDM08_CMD_READB(addr,value_p) BDM_CMD_1W_1B(_BDM_READ_BYTE,addr,value_p)
#define BDM08_CMD_WRITEB(addr,value) BDM_CMD_1W1B_0(_BDM_WRITE_BYTE,addr,value)
#define BDM08_CMD_Res(addr,value) BDM_CMD_R(_BDM_WRITE_BYTE,addr,value)
/* read register commands */
#define BDM08_CMD_READ_PC(value_p) BDM_CMD_0_1W(_BDM08_READ_PC,value_p)
#define BDM08_CMD_READ_SP(value_p) BDM_CMD_0_1W(_BDM08_READ_SP,value_p)
#define BDM08_CMD_READ_HX(value_p) BDM_CMD_0_1W(_BDM08_READ_HX,value_p)
#define BDM08_CMD_READ_A(value_p) BDM_CMD_0_1B(_BDM08_READ_A,value_p)
#define BDM08_CMD_READ_CCR(value_p) BDM_CMD_0_1B(_BDM08_READ_CCR,value_p)
#define BDM08_CMD_READ_BKPT(value_p) BDM_CMD_0_1W(_BDM08_READ_BKPT,value_p)
/* write register commands */
#define BDM08_CMD_WRITE_PC(value) BDM_CMD_1W_0(_BDM08_WRITE_PC,value)
#define BDM08_CMD_WRITE_SP(value) BDM_CMD_1W_0(_BDM08_WRITE_SP,value)
#define BDM08_CMD_WRITE_HX(value) BDM_CMD_1W_0(_BDM08_WRITE_HX,value)
#define BDM08_CMD_WRITE_A(value) BDM_CMD_1B_0(_BDM08_WRITE_A,value)
#define BDM08_CMD_WRITE_CCR(value) BDM_CMD_1B_0(_BDM08_WRITE_CCR,value)
#define BDM08_CMD_WRITE_BKPT(value) BDM_CMD_1W_0(_BDM08_WRITE_BKPT,value)
/* write memory using X as a pointer with automatic pre-increment */
#define BDM08_CMD_WRITE_NEXT(value) BDM_CMD_1B_0(_BDM08_WRITE_NEXT,value)
/* read memory using X as a pointer with automatic pre-increment */
#define BDM08_CMD_READ_NEXT(value_p) BDM_CMD_0_1B(_BDM08_READ_NEXT,value_p)
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