void init() {
// In case disabled by boot-loader
__enable_irq();
initPorts();
initTimers();
bdm_interfaceOff();
initUSB();
#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
bdm_option.targetVdd = BDM_TARGET_VDD_OFF;
#endif
bdm_setTargetVdd();
RESET_LOW();
WAIT_MS(100);
RESET_3STATE();
#endif
}
static void testMode() {
// In case disabled by boot-loader
__enable_irq();
initPorts();
initTimers();
bdm_interfaceOff();
initUSB();
ledEnable();
testEnable();
bootInputEnable();
for(;;) {
WAIT_MS(100);
ledToggle();
testToggle();
if (bootInputActive() == 0) {
reboot();
}
}
}
//! Initialises BDM module for the given target type
//!
//! @param target = Target processor (see \ref TargetType_t)
//!
uint8_t bdm_setTarget(uint8_t target) {
uint8_t rc = BDM_RC_OK;
#ifdef RESET_IN_PER
RESET_IN_PER = 1; // Needed for input level translation to 5V
#endif
#ifdef RESET_OUT_PER
RESET_OUT_PER = 1; // Holds RESET_OUT inactive when unused
#endif
if (target == T_OFF) {
bdm_off(); // Turn off the interface
}
bdm_interfaceOff();
rc = bdm_clearStatus();
if (rc != BDM_RC_OK) {
return rc;
}
cable_status.target_type = target; // Assume mode is valid
switch (target) {
#if TARGET_CAPABILITY & CAP_S12Z
case T_HCS12Z :
#endif
#if (TARGET_CAPABILITY & (CAP_HCS12|CAP_S12Z))
case T_HC12:
bdm_option.useResetSignal = 1; // Must use RESET signal on HC12
bdmHCS_init();
break;
#endif
#if (TARGET_CAPABILITY & CAP_RS08)
case T_RS08:
#endif
#if (TARGET_CAPABILITY & CAP_HCS08)
case T_HCS08:
#endif
#if (TARGET_CAPABILITY & CAP_CFV1)
case T_CFV1:
#endif
#if (TARGET_CAPABILITY & (CAP_RS08|CAP_HCS08|CAP_CFV1))
bdmHCS_init();
break;
#endif
#if (TARGET_CAPABILITY&CAP_CFVx)
case T_CFVx:
bdm_option.useResetSignal = 1; // Must use RESET signal on CFVx
bdmcf_init(); // Initialise the BDM interface
// (void)bdmcf_resync(); // Synchronise with the target (ignore error?)
break;
#endif
#if (TARGET_CAPABILITY&CAP_JTAG)
case T_JTAG:
#endif
#if (TARGET_CAPABILITY&CAP_DSC)
case T_MC56F80xx:
#endif
#if (TARGET_CAPABILITY&(CAP_JTAG|CAP_DSC))
bdm_option.useResetSignal = 1; // Must use RESET signal on JTAG etc
jtag_init(); // Initialise JTAG
break;
#endif
#if (TARGET_CAPABILITY&CAP_ARM_JTAG)
case T_ARM_JTAG:
jtag_init(); // Initialise JTAG
break;
#endif
#if (TARGET_CAPABILITY&CAP_ARM_SWD)
case T_ARM_SWD:
swd_init(); // Initialise JTAG
break;
#endif
case T_OFF:
break;
default:
bdm_off(); // Turn off the interface
(void)bdm_clearStatus(); // Safe mode!
return BDM_RC_UNKNOWN_TARGET;
}
return rc;
}
//! Turns off the BDM interface
//!
//! Depending upon settings, may leave target power on.
//!
void bdm_off( void ) {
bdm_interfaceOff();
if (!bdm_option.leaveTargetPowered) {
VDD_OFF();
}
}
/*! \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
}
