first cut at turnon scripts for EasyTimer v2

[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 4b5dc2ac480341086e4264284b9345d2e5da299c..b289b80439f9c10399d42715ca0026b6280face5 100644 (file)
--- a/src/stm/ao_boot_pin.c
+++ b/src/stm/ao_boot_pin.c
@@ -20,7 +20,7 @@
 #include <ao_boot.h>
 #include <ao_exti.h>
 
-void
+int
 ao_boot_check_pin(void)
 {
        uint16_t v;
@@ -41,7 +41,6 @@ ao_boot_check_pin(void)
        /* Reset the chip to turn off the port and the power interface clock */
        ao_gpio_set_mode(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN, 0);
        ao_disable_port(&AO_BOOT_APPLICATION_GPIO);
-       stm_rcc.apb1enr &= ~(1 << STM_RCC_APB1ENR_PWREN);
-       if (v == AO_BOOT_APPLICATION_VALUE)
-               ao_boot_chain(AO_BOOT_APPLICATION_BASE);
+       stm_rcc.apb1enr &= ~(1UL << STM_RCC_APB1ENR_PWREN);
+       return v == AO_BOOT_APPLICATION_VALUE;
 }