// ============================================================================
// fPowerCycleInitializeTargetForISSP()
// Implements the intialization vectors for the device.
// The first time fDetectHiLoTransition is called the Clk pin is highZ because
// the clock is not needed during acquire.
// Returns:
// 0 if successful
// INIT_ERROR if timed out on handshake to the device.
// ============================================================================
signed char fPowerCycleInitializeTargetForISSP(unsigned long flag)
{
int n;
printk(KERN_ERR"[TOUCHKEY]start fPowerCycleInitializeTargetForISSP\n");
// Set all pins to highZ to avoid back powering the PSoC through the GPIO
// protection diodes.
SetSCLKHiZ();
SetSDATAHiZ();
// Turn on power to the target device before other signals
SetTargetVDDStrong();
ApplyTargetVDD();
local_irq_save(flag);
// wait 1msec for the power to stabilize
//#if 0
for (n = 0; n < 10; n++) {
Delay(DELAY100us);
}
//#endif
// Set SCLK to high Z so there is no clock and wait for a high to low
// transition on SDAT. SCLK is not needed this time.
SetSCLKHiZ();
// printk(KERN_DEBUG "fDetectHiLoTransition\n");
if ((fIsError = fDetectHiLoTransition())) {
#if defined(CONFIG_TARGET_LOCALE_NAATT)
local_irq_restore(flag);
#endif
printk(KERN_ERR"[TOUCHKEY]fDetectHiLoTransition()error!!!\n");
return (INIT_ERROR);
}
// Configure the pins for initialization
// SetSDATAHiZ(); // issp_test_20100709 block
SetSCLKStrong();
SCLKLow(); //PTJ: DO NOT SET A BREAKPOINT HERE AND EXPECT SILICON ID TO PASS!
// !!! NOTE:
// The timing spec that requires that the first Init-Vector happen within
// 1 msec after the reset/power up. For this reason, it is not advisable
// to separate the above RESET_MODE or POWER_CYCLE_MODE code from the
// Init-Vector instructions below. Doing so could introduce excess delay
// and cause the target device to exit ISSP Mode.
SendVector(wait_and_poll_end, num_bits_wait_and_poll_end); //PTJ: rev308, added to match spec
// printk("SendVector(id_setup_1)\n",0,0,0);
SendVector(id_setup_1, num_bits_id_setup_1);
if ((fIsError = fDetectHiLoTransition())) {
#if defined(CONFIG_TARGET_LOCALE_NAATT)
local_irq_restore(flag);
#endif
printk(KERN_ERR"[TOUCHKEY]fDetectHiLoTransition()error!!!\n");
return (INIT_ERROR);
}
SendVector(wait_and_poll_end, num_bits_wait_and_poll_end);
// NOTE: DO NOT not wait for HiLo on SDATA after vector Init-3
// it does not occur (per spec).
return (PASS);
}
// ============================================================================
// fPowerCycleInitializeTargetForISSP()
// Implements the intialization vectors for the device.
// The first time fDetectHiLoTransition is called the Clk pin is highZ because
// the clock is not needed during acquire.
// Returns:
// 0 if successful
// INIT_ERROR if timed out on handshake to the device.
// ============================================================================
signed char fPowerCycleInitializeTargetForISSP(void)
{
unsigned char n;
unsigned long flags;
// Set all pins to highZ to avoid back powering the PSoC through the GPIO
// protection diodes.
SetSCLKHiZ();
SetSDATAHiZ();
// Turn on power to the target device before other signals
SetTargetVDDStrong();
// lock interrupts for accurate timing
local_irq_save(flags);
ApplyTargetVDD();
// wait 1msec for the power to stabilize
#if 1 //etinum.LJ.firmware_update
Delay(1000);
#else
for (n=0; n<10; n++) {
Delay(DELAY100us/3);
}
#endif
// Set SCLK to high Z so there is no clock and wait for a high to low
// transition on SDAT. SCLK is not needed this time.
SetSCLKHiZ();
local_irq_restore(flags);
if (fIsError = fDetectHiLoTransition()) {
return(INIT_ERROR);
}
printk(KERN_ERR "[CYPRESS] step1 passed\n");
// Configure the pins for initialization
SetSDATAHiZ();
SetSCLKStrong();
SCLKLow(); //PTJ: DO NOT SET A BREAKPOINT HERE AND EXPECT SILICON ID TO PASS!
// !!! NOTE:
// The timing spec that requires that the first Init-Vector happen within
// 1 msec after the reset/power up. For this reason, it is not advisable
// to separate the above RESET_MODE or POWER_CYCLE_MODE code from the
// Init-Vector instructions below. Doing so could introduce excess delay
// and cause the target device to exit ISSP Mode.
SendVector(id_setup_1, num_bits_id_setup_1);
if (fIsError = fDetectHiLoTransition()) {
return(INIT_ERROR);
}
SendVector(wait_and_poll_end, num_bits_wait_and_poll_end);
printk(KERN_ERR "[CYPRESS] step2 passed\n");
// NOTE: DO NOT not wait for HiLo on SDATA after vector Init-3
// it does not occur (per spec).
return(PASS);
}
// ============================================================================
// fPowerCycleInitializeTargetForISSP()
// Implements the intialization vectors for the device.
// The first time fDetectHiLoTransition is called the Clk pin is highZ because
// the clock is not needed during acquire.
// Returns:
// 0 if successful
// INIT_ERROR if timed out on handshake to the device.
// ============================================================================
signed char fPowerCycleInitializeTargetForISSP(void)
{
// unsigned char n;
// Set all pins to highZ to avoid back powering the PSoC through the GPIO
// protection diodes.
SetSCLKHiZ();
SetSDATAHiZ();
// Turn on power to the target device before other signals
SetTargetVDDStrong();
RemoveTargetVDD();
mdelay(5);
ApplyTargetVDD();
// wait 1msec for the power to stabilize
mdelay(1);
// Set SCLK to high Z so there is no clock and wait for a high to low
// transition on SDAT. SCLK is not needed this time.
SetSCLKHiZ();
fIsError = fDetectHiLoTransition();
if ( fIsError ) {
printk(KERN_INFO "[TSP] %s, %d\n", __func__, __LINE__);
return(INIT_ERROR);
}
// Configure the pins for initialization
SetSDATAHiZ();
SetSCLKStrong();
SCLKLow(); //PTJ: DO NOT SET A BREAKPOINT HERE AND EXPECT SILICON ID TO PASS!
// !!! NOTE:
// The timing spec that requires that the first Init-Vector happen within
// 1 msec after the reset/power up. For this reason, it is not advisable
// to separate the above RESET_MODE or POWER_CYCLE_MODE code from the
// Init-Vector instructions below. Doing so could introduce excess delay
// and cause the target device to exit ISSP Mode.
SendVector(id_setup_1, num_bits_id_setup_1);
fIsError = fDetectHiLoTransition();
if ( fIsError ) {
printk(KERN_INFO "[TSP] %s, %d\n", __func__, __LINE__);
return(INIT_ERROR);
}
SendVector(wait_and_poll_end, num_bits_wait_and_poll_end);
// NOTE: DO NOT not wait for HiLo on SDATA after vector Init-3
// it does not occur (per spec).
return(PASS);
}
/* =========================================================================
ErrorTrap()
Return is not valid from main for PSOC, so this ErrorTrap routine is used.
For some systems returning an error code will work best. For those, the
calls to ErrorTrap() should be replaced with a return(bErrorNumber). For
other systems another method of reporting an error could be added to this
function -- such as reporting over a communcations port.
========================================================================= */
void ErrorTrap(unsigned char bErrorNumber)
{
#ifndef RESET_MODE
/* Set all pins to highZ to avoid back powering the PSoC through the
GPIO protection diodes.
*/
SetSCLKHiZ();
SetSDATAHiZ();
/* If Power Cycle programming, turn off the target */
/* RemoveTargetVDD(); */
#endif
pr_info("ErrorTrap:go to error!\n");
return ;
}
/* ========================================================================= */
void ErrorTrap(unsigned char bErrorNumber)
{
#ifndef RESET_MODE
// Set all pins to highZ to avoid back powering the PSoC through the GPIO
// protection diodes.
SetSCLKHiZ();
SetSDATAHiZ();
// If Power Cycle programming, turn off the target
RemoveTargetVDD();
#endif
// ioctl(touch_fd, DEV_CTRL_TOUCH_INT_ENABLE,NULL);
// printk("[TSP] %s,%d error!!\n",__func__,__LINE__);
// exit(1);
// while (1);
// return(bErrorNumbers);
}
/* ========================================================================= */
void ErrorTrap(unsigned char bErrorNumber)
{
#ifndef RESET_MODE
// Set all pins to highZ to avoid back powering the PSoC through the GPIO
// protection diodes.
SetSCLKHiZ();
SetSDATAHiZ();
// If Power Cycle programming, turn off the target
// RemoveTargetVDD();
#endif
CYTTSP_DBG(">>>> ISSP Error : %d <<<<\n", bErrorNumber);
CYTTSP_DBG(">>>> Plese try again\n");
//while (1);
// return(bErrorNumbers);
}
// ============================================================================
// ReStartTarget()
// After programming, the target PSoC must be reset to take it out of
// programming mode. This routine performs a reset.
// ============================================================================
void ReStartTarget(void)
{
#ifdef RESET_MODE
// Assert XRES, then release, then disable XRES-Enable
AssertXRES();
Delay(XRES_CLK_DELAY);
DeassertXRES();
#else
// Set all pins to highZ to avoid back powering the PSoC through the GPIO
// protection diodes.
SetSCLKHiZ();
SetSDATAHiZ();
// Cycle power on the target to cause a reset
RemoveTargetVDD();
mdelay(300);
ApplyTargetVDD();
#endif
}
/* ============================================================================
// ReStartTarget()
// After programming, the target PSoC must be reset to take it out of
// programming mode. This routine performs a reset.
============================================================================*/
void ReStartTarget(void)
{
#ifdef RESET_MODE
/* Assert XRES, then release, then disable XRES-Enable */
AssertXRES();
udelay(XRES_CLK_DELAY);
DeassertXRES();
#else
/* Set all pins to highZ to avoid back powering the PSoC through the GPIO */
/* protection diodes. */
SetSCLKHiZ();
SetSDATAHiZ();
/* Cycle power on the target to cause a reset */
RemoveTargetVDD();
udelay(POWER_CYCLE_DELAY);
ApplyTargetVDD();
#endif
}
void ReStartTarget(void)
{
//int i;
#ifdef RESET_MODE
/* Assert XRES, then release, then disable XRES-Enable */
AssertXRES();
Delay(XRES_CLK_DELAY);
DeassertXRES();
#else
/* Set all pins to highZ to avoid back powering
the PSoC through the GPIO protection diodes.
*/
SetSCLKHiZ();
SetSDATAHiZ();
/* Cycle power on the target to cause a reset */
RemoveTargetVDD();
// jjlee for (i = 0; i < 100; i++)
Delay(50000);
ApplyTargetVDD();
#endif
}
/*
============================================================================
fPowerCycleInitializeTargetForISSP()
Implements the intialization vectors for the device.
The first time fDetectHiLoTransition is called the Clk pin is highZ because
the clock is not needed during acquire.
Returns:
0 if successful
INIT_ERROR if timed out on handshake to the device.
============================================================================
*/
signed char fPowerCycleInitializeTargetForISSP(void)
{
unsigned char n;
/*
Set all pins to highZ to avoid back powering the PSoC through the GPIO
protection diodes.
*/
SetSCLKHiZ();
SetSDATAHiZ();
/* Turn on power to the target device before other signals */
SetTargetVDDStrong();
for (n = 0; n < 100; n++)
Delay(50000);
ApplyTargetVDD();
/* wait 1msec for the power to stabilize */
for (n = 0; n < 10; n++)
Delay(DELAY100us);
/*
Set SCLK to high Z so there is no clock and wait for a high to low
transition on SDAT. SCLK is not needed this time.
*/
SetSCLKHiZ();
fIsError = fDetectHiLoTransition();
if (fIsError != 0)
return INIT_ERROR;
/*Configure the pins for initialization */
SetSDATAHiZ();
SetSCLKStrong();
SCLKLow();
/*PTJ: DO NOT SET A BREAKPOINT HERE AND EXPECT SILICON ID TO PASS!
!!! NOTE:
The timing spec that requires that the first Init-Vector happen within
1 msec after the reset/power up. For this reason, it is not advisable
to separate the above RESET_MODE or POWER_CYCLE_MODE code from the
Init-Vector instructions below. Doing so could introduce excess delay
and cause the target device to exit ISSP Mode.
*/
SendVector(wait_and_poll_end, num_bits_wait_and_poll_end);
/*20100114 KJHW(Jason) : 0114 by KJHW */
SendVector(id_setup_1, num_bits_id_setup_1);
fIsError = fDetectHiLoTransition();
if (fIsError != 0)
return INIT_ERROR;
SendVector(wait_and_poll_end, num_bits_wait_and_poll_end);
/*
NOTE: DO NOT not wait for HiLo on SDATA after vector Init-3
it does not occur (per spec).
*/
return PASS;
}
/* ============================================================================
// fPowerCycleInitializeTargetForISSP()
// Implements the intialization vectors for the device.
// The first time fDetectHiLoTransition is called the Clk pin is highZ because
// the clock is not needed during acquire.
// Returns:
// 0 if successful
// INIT_ERROR if timed out on handshake to the device.
============================================================================*/
signed char fPowerCycleInitializeTargetForISSP(void)
{
unsigned char n;
SetSDATALow();
SCLKLow();
RemoveTargetVDD();
mdelay(500);
SetSCLKHiZ();
SetSDATAHiZ();
/* Set all pins to highZ to avoid back powering the PSoC through the GPIO
// protection diodes.
*/
/* Turn on power to the target device before other signals */
SetTargetVDDStrong();
ApplyTargetVDD();
/* wait 1msec for the power to stabilize */
for (n = 0; n < 10; n++)
udelay(DELAY100us);
/* Set SCLK to high Z so there is no clock and wait for a high to low
// transition on SDAT. SCLK is not needed this time.
*/
SetSCLKHiZ();
mdelay(10);
/*
//fIsError = fDetectHiLoTransition();
//if (fIsError ) {
//printk("wly: fDetectHiLoTransition 11111 failed!\n");
//return(INIT_ERROR);
//}
*/
/* Configure the pins for initialization */
SetSDATAHiZ();
SetSCLKStrong();
SCLKLow(); /* DO NOT SET A BREAKPOINT HERE AND EXPECT SILICON ID TO PASS! */
/* !!! NOTE:
// The timing spec that requires that the first Init-Vector happen within
// 1 msec after the reset/power up. For this reason, it is not advisable
// to separate the above RESET_MODE or POWER_CYCLE_MODE code from the
// Init-Vector instructions below. Doing so could introduce excess delay
// and cause the target device to exit ISSP Mode.
*/
SendVector(id_setup_1, num_bits_id_setup_1);
fIsError = fDetectHiLoTransition();
if (fIsError) {
pr_info("wly: fDetectHiLoTransition 222222 failed!\n");
return INIT_ERROR;
}
SendVector(wait_and_poll_end, num_bits_wait_and_poll_end);
/* NOTE: DO NOT not wait for HiLo on SDATA after vector Init-3
// it does not occur (per spec).
*/
return PASS;
}
