/*! \brief Main loop.
*
* Most of the action is interrupt driven. This loop only detects USB suspension.
*
* @return Never exits
*/
void main(void) {
init();
for(;;){
wait100us();
suspend_timer++;
if (suspend_timer>=SUSPEND_TIME) {
/* host is not sending keepalive signals, time to suspend all operation */
/* BDM is in idle mode when not communicating, so nothing to do there */
U16 i;
/* Acknowledge any pending interrupt and disable KBD interrupts; */
/* This will prevent RESET activity waking us up out of stop */
KBSCR = KBSCR_IMASKK_MASK | KBSCR_ACKK_MASK;
led_state=LED_OFF; /* switch the LED off */
GREEN_LED_OFF(); /* do it now, the interrupt which would do it normally is not going to come */
UIR0_SUSPND=1; /* suspend USB */
while (suspend_timer) asm(STOP); /* go to sleep, wait for USB resume or reset */
for (i=0;i<RESUME_RECOVERY;i++) wait100us(); /* wait for host to recover */
led_state=LED_ON; /* Switch the LED back on */
(void)bdm_init(); /* Reinitialise the BDM after wake-up as the device might */
/* have been disconected in the meantime; assume nothing */
}
}
int _start(int argc, char* argv[])
{
printf("Block Device Manager (BDM) v%d.%d\n", MAJOR_VER, MINOR_VER);
if (RegisterLibraryEntries(&_exp_bdm) != 0) {
M_PRINTF("ERROR: Already registered!\n");
return MODULE_NO_RESIDENT_END;
}
// initialize the block device manager
if (bdm_init() < 0) {
M_PRINTF("ERROR: BDM init failed!\n");
return MODULE_NO_RESIDENT_END;
}
// initialize the partition driver
part_init();
// return resident
return MODULE_RESIDENT_END;
}
/*! \brief Initialise the system.
*
* Initialisation of the following:
* \li Watchdog (off),
* \li Stack,
* \li BDM interface,
* \li USB interface.
*/
void init(void) {
/* disable part reset on USB reset, enable STOP instruction & disable COP */
CONFIG = CONFIG_URSTD_MASK | CONFIG_STOP_MASK | CONFIG_COPD_MASK;
// Turn off important things
VPP_OFF();
VDD_OFF();
FLASH12V_OFF();
clearStack();
// Make unused pins 'safe' (not floating)
// These settings may be overridden later
POCR = POCR_PAP_MASK|POCR_PCP_MASK|POCR_PTE20P_MASK;
/* acknowledge IRQ interrupt and disable it */
ISCR = ISCR_ACK_MASK | ISCR_IMASK_MASK;
(void)bdm_init(); // Do early as possible
usb_init();
EnableInterrupts;
}
/*! \brief Initialise the system.
*
* Initialisation of the following:
* \li Default port values
* \li Watchdog (off),
* \li Stack,
* \li BDM interface,
* \li USB interface.
* \li Configure Clock for 48MHz operation
*/
static void init(void) {
// Default ports to inputs
PTADD = 0x00;
PTBDD = 0x00;
#if (CPU==JMxx)
PTCDD = 0x00;
PTDDD = 0x00;
PTEDD = 0x00;
PTFDD = 0x00;
PTGDD = 0x00;
#endif
// Turn off important things
#if ((HW_CAPABILITY & CAP_FLASH) != 0)
(void)bdmSetVpp(BDM_TARGET_VPP_OFF);
#endif
VDD_OFF();
// Default to Ports have PUPs
// Note - this doesn't affect outputs
PTAPE = 0xFF;
PTBPE = 0xFF;
#if (CPU==JMxx)
PTCPE = 0xFF;
PTDPE = 0xFF;
PTEPE = 0xFF;
PTFPE = 0xFF;
PTGPE = 0xFF;
#endif
EnableInterrupts;
#ifndef SOPT1_BKGDPE_MASK
#define SOPT1_BKGDPE_MASK (0)
#endif
SOPT1 = SOPT1_STOPE_MASK|SOPT1_BKGDPE_MASK; // Disable COP, enable STOP instr. & BKGD pin
#if (HW_CAPABILITY&CAP_VDDSENSE)
SPMSC1_BGBE = 1; // Enable Bandgap Reference
#endif
LED_INIT();
clearStack();
initUSB(); // Assumes clock already done
(void)bdm_init();
(void)bdm_off();
#ifdef VDD_ON_INITIALLY
// For compatibility with original board s/w
// The board is powered when initially plugged in
#if (VDD_ON_INITIALLY == 3)
bdm_option.targetVdd = BDM_TARGET_VDD_3V3;
#elif (VDD_ON_INITIALLY == 5)
bdm_option.targetVdd = BDM_TARGET_VDD_5;
#else
#error "Illegal VDD_ON_INITIALLY value"
#endif
(void)bdm_interfaceOff();
(void)bdm_setTargetVdd();
#endif
#if (DEBUG&SCI_DEBUG) != 0)
debugSCIInit();
#endif
}
int
main( int ArgC, char *ArgV[] )
{
int BDMHandle;
unsigned int Base;
unsigned int Chips;
unsigned int Bytes;
char *Operation;
FlashError_t Error;
if (ArgC < 6)
Usage( ArgV[0] );
if((BDMHandle = bdm_init(ArgV[1]))<0)
{
fprintf( stderr,
"Problem opening bdm device %s, error code %d.\n", ArgV[1], BDMHandle );
return (EXIT_FAILURE);
}
Base = (unsigned int) strtoul( ArgV[2], NULL, 0 );
Chips = (unsigned int) strtoul( ArgV[3], NULL, 0 );
Bytes = (unsigned int) strtoul( ArgV[4], NULL, 0 );
Operation = ArgV[5];
Error = BDMFlashConfigSet( BDMHandle, Base, Chips, Bytes );
if (Error != FlashErrorOkay_c)
{
fprintf( stderr,
"Problem configuring flash; error code = %d '%s'.\n",
(int) Error,
FlashErrorDescriptionEnglish[Error] );
}
if (strcasecmp( Operation, "erase" ) == 0)
{
Erase( ArgC, ArgV );
}
else if (strcasecmp( Operation, "SectorErase" ) == 0)
{
SectorErase( ArgC, ArgV );
}
else if (strcasecmp( Operation, "BlockErase" ) == 0)
{
BlockErase( ArgC, ArgV );
}
else if (strcasecmp( Operation, "write" ) == 0)
{
Write( ArgC, ArgV );
}
else if (strcasecmp( Operation, "read" ) == 0)
{
Read( BDMHandle, ArgC, ArgV );
}
else if (strcasecmp( Operation, "probe" ) == 0)
{
Probe( ArgC, ArgV );
}
else if (strcasecmp( Operation, "detect" ) == 0)
{
Detect( ArgC, ArgV );
}
else
Usage( ArgV[0] );
bdm_release( BDMHandle );
return (EXIT_SUCCESS);
}
