Increase AVRISP-MKII Clone PDI/TPI handshake to 1ms from 1us for targets with high /RESET line capacitance.

This commit is contained in:
Dean Camera 2013-11-04 17:09:21 +01:00
parent 4b6049bb59
commit 16c4f1d43c
2 changed files with 4 additions and 2 deletions

View file

@ -52,7 +52,7 @@ void XPROGTarget_EnableTargetPDI(void)
/* Set DATA line high for at least 90ns to disable /RESET functionality */
PORTD |= (1 << 3);
_delay_us(1);
_delay_ms(1);
/* Set up the synchronous USART for XMEGA communications - 8 data bits, even parity, 2 stop bits */
UBRR1 = ((F_CPU / 2 / XPROG_HARDWARE_SPEED) - 1);
@ -72,7 +72,7 @@ void XPROGTarget_EnableTargetTPI(void)
/* Set /RESET line low for at least 400ns to enable TPI functionality */
AUX_LINE_DDR |= AUX_LINE_MASK;
AUX_LINE_PORT &= ~AUX_LINE_MASK;
_delay_us(1);
_delay_ms(1);
/* Set Tx and XCK as outputs, Rx as input */
DDRD |= (1 << 5) | (1 << 3);