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stlink: Give the NRST check more time as otherwise some L1 discovery board stayed in the bootloader.

This commit is contained in:
Uwe Bonnes 2013-10-06 14:50:39 +02:00 committed by Gareth McMullin
parent 086f3565f0
commit 5aa802969b
1 changed files with 7 additions and 7 deletions
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14
src/platforms/stlink/usbdfu.c
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@ -40,13 +40,13 @@ static int stlink_test_nrst(void)
* 11 for ST-Link V1, e.g. on VL Discovery, tag as rev 0
* 10 for ST-Link V2, e.g. on F4 Discovery, tag as rev 1
*/
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
gpio_set_mode(GPIOC, GPIO_MODE_INPUT,
GPIO_CNF_INPUT_PULL_UPDOWN, GPIO14 | GPIO13);
gpio_set(GPIOC, GPIO14 | GPIO13);
for (i = 0; i < 100; i++)
rev = (~(gpio_get(GPIOC, GPIO14 | GPIO13)) >> 13) & 3;
for (i = 0; i < 0x200; i++) {
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
gpio_set_mode(GPIOC, GPIO_MODE_INPUT,
GPIO_CNF_INPUT_PULL_UPDOWN, GPIO14 | GPIO13);
gpio_set(GPIOC, GPIO14 | GPIO13);
rev = (~(gpio_get(GPIOC, GPIO14 | GPIO13)) >> 13) & 3;
}
switch (rev) {
case 0:
pin = GPIO1;