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Software PDI mode breaks unless the software USART has 100 cycles between bits.

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This commit is contained in:
Dean Camera 2010-03-17 11:48:39 +00:00
parent 7d51e51c79
commit 9a5ae36a4f
8 changed files with 20 additions and 22 deletions
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7
Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h
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@ -58,7 +58,7 @@
/* Defines: */
#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
#define XPROG_VIA_HARDWARE_USART
#else
#else
#define BITBANG_PDIDATA_PORT PORTB
#define BITBANG_PDIDATA_DDR DDRB
#define BITBANG_PDIDATA_PIN PINB
@ -80,8 +80,11 @@
#define BITBANG_TPICLOCK_MASK (1 << 1)
#endif
/** Serial carrier TPI/PDI speed when hardware TPI/PDI mode is used */
#define XPROG_HARDWARE_SPEED 500000
/** Number of cycles between each clock when software USART mode is used */
#define BITS_BETWEEN_USART_CLOCKS 80
#define BITS_BETWEEN_USART_CLOCKS 100
/** Total number of bits in a single USART frame */
#define BITS_IN_USART_FRAME 12