Hello, everyone, when I try to use LINFLEX_2 as lin slave, I met some registers write error. I download the example project "LinFlex0 Lin Slave example ",and my test HW is based on SPC560BMLL6.
Problem：
When I try to write LINFLEX_2.LINCR1.R = 0x2380;
I can see the address 0xFFE48000(LINFLEX_2.LINCR1.R), can not be written in 0x2380,but 0x0390.
I very confused about this. But if I try to write 0xFFE40000(LINFLEX_0.LINCR1.R), it's no error.
this is initialization code：
static void InitModesAndClks(void)
{
ME.MER.R = 0x0000001D; /* Enable DRUN, RUN0, SAFE, RESET modes */
/* Initialize PLL before turning it on: */
/* Use 1 of the next 2 lines depending on crystal frequency: */
CGM.FMPLL_CR.R = 0x02400100; /* 8 MHz xtal: Set PLL0 to 64 MHz */
/*CGM.FMPLL[0].CR.R = 0x12400100;*//* 40 MHz xtal: Set PLL0 to 64 MHz */
ME.RUN[0].R = 0x001F0074; /* RUN0 cfg: 16MHzIRCON,OSC0ON,PLL0ON,syclk=PLL */
//ME.RUNPC[0].R = 0x00000010; /* Peri. Cfg. 0 settings: only run in RUN0 mode */
ME.RUNPC[0].R = 0x000000FE; // enable peripherals run in all modes
/* Use the next lines as needed for MPC56xxB/S: */
//ME.PCTL[48].R = 0x0000; /* MPC56xxB LINFlex0: select ME.RUNPC[0] */
//ME.PCTL[49].R = 0x0000; // LINFlex[1]:
ME.PCTL[50].R = 0x0000; // LINFlex[2]:
ME.PCTL[68].R = 0x0000; /* MPC56xxB/S SIUL: select ME.RUNPC[0] */
/* Mode Transition to enter RUN0 mode: */
ME.MCTL.R = 0x40005AF0; /* Enter RUN0 Mode & Key */
ME.MCTL.R = 0x4000A50F; /* Enter RUN0 Mode & Inverted Key */
while (ME.IS.B.I_MTC != 1) {} /* Wait for mode transition to complete */
ME.IS.R = 0x00000001; /* Clear Transition flag */
}
static void InitLinFlex2(void)
{
/* enter INIT mode */
LINFLEX_2.LINCR1.R = 0x0081; /* SLEEP=0, INIT=1 */
/* wait for the INIT mode */
while (0x1000 != (LINFLEX_2.LINSR.R & 0xF000)) {}
/* configure pads */
//SIU.PCR[18].R = 0x0604; /* Configure pad PB2 for AF1 func: LIN0TX */
//SIU.PCR[19].R = 0x0100; /* Configure pad PB3 for LIN0RX */
SIU.PCR[40].R = 0x0604; /* Configure pad PC8 for AF1 func: LIN2TX */
SIU.PCR[41].R = 0x0100; /* Configure pad PC9 for LIN2RX */
/* configure baudrate 19200 */
/* assuming 64 MHz peripheral set 1 clock */
LINFLEX_2.LINFBRR.R = 11;//5;
LINFLEX_2.LINIBRR.R = 416;//208;
LINFLEX_2.LINCR2.R = 0x20; /* IOBE=1, Bit error resets LIN state machine *
LINFLEX_2.LINTCSR.R = 0; /* LIN timeout mode, no idle on timeout */
LINFLEX_2.BIDR.B.CCS = 0; /* enhanced checksum for LIN Slave */
LINFLEX_2.IFER.R = 0xF; // enable filters 0-3
LINFLEX_2.IFMR.R = 0x0; // filters 0 - 3 are in identifier list mode.
LINFLEX_2.IFCR0.R = 0x1E37; // 8bytes, TX data, ID=0x37, CCS=0
LINFLEX_2.IFCR1.R = 0x1C35; // 8bytes, RX data, ID=0x35, CCS=0
LINFLEX_2.IFCR2.R = 0x1F36; // 8bytes, TX data, ID=0x36, CCS=1
LINFLEX_2.IFCR3.R = 0x1D34; // 8bytes, RX data, ID=0x34, CCS=1
LINFLEX_2.LINIER.R = 0x7; // enable RX, TX and header interrupt
LINFLEX_2.LINCR1.R = 0x2380;
}
Can anyone help me to solve this problem? Thanks.
Original Attachment has been moved to: MPC5604B-LINFlex-LIN_Slave-CW210.rar
Hi,
please look at the reference manual rev. 8.2, page 33.
Only LinFlex0 can be used as the slave.
Regards,
Martin
