From 5aa802969bbb4cf2291faa59ce31a1697ca71d2f Mon Sep 17 00:00:00 2001 From: Uwe Bonnes Date: Sun, 6 Oct 2013 14:50:39 +0200 Subject: stlink: Give the NRST check more time as otherwise some L1 discovery board stayed in the bootloader. --- src/platforms/stlink/usbdfu.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/src/platforms/stlink/usbdfu.c b/src/platforms/stlink/usbdfu.c index f688c1c..76a19b0 100644 --- a/src/platforms/stlink/usbdfu.c +++ b/src/platforms/stlink/usbdfu.c @@ -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; -- cgit v1.2.3