Commit 7e94505

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Pete Lewis

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ATTiny84s need a longer chip erase delay

Following along with how the Arduino IDE (v1.8.8) does it. I was seeing inconsistent fuse bit programming (when it includes an erase command). Upping the chip_erase_delay to 15000 uS made this work 100% of the time.

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avrdude_gpio.conf

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`‎avrdude_gpio.conf`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -10718,7 +10718,7 @@ part`
`10718`	`10718`	`avr910_devcode = 0x20;`
`10719`	`10719`	`signature = 0x1e 0x93 0x0c;`
`10720`	`10720`	`reset = io;`
`10721`		`- chip_erase_delay = 4500;`
	`10721`	`+ chip_erase_delay = 15000;`
`10722`	`10722`
`10723`	`10723`	`pgm_enable = "1 0 1 0 1 1 0 0 0 1 0 1 0 0 1 1",`
`10724`	`10724`	`"x x x x x x x x x x x x x x x x";`

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Commit 7e94505

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`‎avrdude_gpio.conf`

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