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cleaning things up a bit
[fw/altos]
/
src
/
stm
/
ao_boot_pin.c
diff --git
a/src/stm/ao_boot_pin.c
b/src/stm/ao_boot_pin.c
index 03b0214f6bf492fed6be3639d42f945588e1a45b..4b5dc2ac480341086e4264284b9345d2e5da299c 100644
(file)
--- a/
src/stm/ao_boot_pin.c
+++ b/
src/stm/ao_boot_pin.c
@@
-3,7
+3,8
@@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
@@
-26,11
+27,14
@@
ao_boot_check_pin(void)
/* Enable power interface clock */
stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_PWREN);
/* Enable power interface clock */
stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_PWREN);
-
+
/* Enable the input pin */
ao_enable_input(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN,
AO_BOOT_APPLICATION_MODE);
/* Enable the input pin */
ao_enable_input(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN,
AO_BOOT_APPLICATION_MODE);
+ for (v = 0; v < 100; v++)
+ ao_arch_nop();
+
/* Read the value */
v = stm_gpio_get(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN);
/* Read the value */
v = stm_gpio_get(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN);