bugfix

stm32/q1-bootloader/gpio.c

@@ -220,6 +220,16 @@ q1_wait_powerdown(void)
 {
     gpio_setup();
 
+    // wait for release (often problem occurs close to power up)
+    for(uint32_t i=0; i<AUTO_POWERDOWN_TIME*10; i++) {
+        if(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_12) == 1) {
+            break;
+        }
+
+        delay_ms(100);
+    }
+
+    // wait for press
     for(uint32_t i=0; i<AUTO_POWERDOWN_TIME*10; i++) {
         if(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_12) == 0) {
             break;

stm32/q1-bootloader/releases/README.md

@@ -9,3 +9,5 @@ Github is nearly free, so why not capture all the actual bits!
 # Change log
 
 - V1.0.0 - first version built
+- V1.0.1 - first version almost released to production
+- V1.0.2 - bugfix w/ power btn release

stm32/q1-bootloader/version.h

@@ -5,7 +5,7 @@
 #include <stdint.h>
 
 // Public version number for humans. Lots more version data added by Makefile.
-#define RELEASE_VERSION     "1.0.1"
+#define RELEASE_VERSION     "1.0.2"
 
 extern const char version_string[];