altos/stm: Interrupt priority is in the upper bits of the priority mask

[fw/altos] / src / stm / ao_arch.h

diff --git a/src/stm/ao_arch.h b/src/stm/ao_arch.h
index 0cc29376aaf271c7002f9bef72fa7e3fb1b7307c..3d09af3c8e27de12f9fa24ce3486c18d920a4dd6 100644 (file)
--- a/src/stm/ao_arch.h
+++ b/src/stm/ao_arch.h
@@ -122,10 +122,12 @@ extern const uint32_t ao_radio_cal;
 #define AO_TIM91011_CLK                (2 * AO_PCLK2)
 #endif
 
-#define AO_STM_NVIC_HIGH_PRIORITY      4
-#define AO_STM_NVIC_CLOCK_PRIORITY     6
-#define AO_STM_NVIC_MED_PRIORITY       8
-#define AO_STM_NVIC_LOW_PRIORITY       10
+/* The stm32l implements only 4 bits of the priority fields */
+
+#define AO_STM_NVIC_HIGH_PRIORITY      0x40
+#define AO_STM_NVIC_MED_PRIORITY       0x80
+#define AO_STM_NVIC_LOW_PRIORITY       0xC0
+#define AO_STM_NVIC_CLOCK_PRIORITY     0xf0
 
 void ao_lcd_stm_init(void);