X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_arch.h;h=5f033b66219e36719164e7864b8e4121977b8934;hb=a487d2fcba57141f6b083d5612c76bac5ad1ac7c;hp=a6276c5ae306963e8ac76fc0e86b02ca9e76b2fa;hpb=8124af8c27b2b9e446aa3a4f1da83d4db7c1ea87;p=fw%2Faltos

diff --git a/src/stm/ao_arch.h b/src/stm/ao_arch.h
index a6276c5a..5f033b66 100644
--- a/src/stm/ao_arch.h
+++ b/src/stm/ao_arch.h
@@ -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
- * 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
@@ -25,7 +26,9 @@
  * STM32L definitions and code fragments for AltOS
  */
 
+#ifndef AO_STACK_SIZE
 #define AO_STACK_SIZE	512
+#endif
 
 #define AO_LED_TYPE	uint16_t
 
@@ -82,10 +85,6 @@ extern const uint32_t ao_radio_cal;
 #define ao_arch_task_members\
 	uint32_t *sp;			/* saved stack pointer */
 
-#define ao_arch_block_interrupts()	asm("cpsid i")
-#define ao_arch_release_interrupts()	asm("cpsie i")
-
-
 /*
  * For now, we're running at a weird frequency
  */
@@ -119,10 +118,21 @@ 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 */
+
+#if AO_NONMASK_INTERRUPT
+#define AO_STM_NVIC_NONMASK_PRIORITY	0x00
+
+/* Set the basepri register to this value to mask all
+ * non-maskable priorities
+ */
+#define AO_STM_NVIC_BASEPRI_MASK	0x10
+#endif
+
+#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);