altos/stm32f4: Add usart driver for usart6

[fw/altos] / src / stm32f4 / ao_arch.h

diff --git a/src/stm32f4/ao_arch.h b/src/stm32f4/ao_arch.h
index 73eb793fbd0164b5657e4285db724bdb0dd1511a..083a4e5b448763779c24aa8d9d7c19e3a2ee021b 100644 (file)
--- a/src/stm32f4/ao_arch.h
+++ b/src/stm32f4/ao_arch.h
@@ -19,9 +19,11 @@
 #include <stm32f4.h>
 
 #ifndef AO_STACK_SIZE
-#define AO_STACK_SIZE  512
+#define AO_STACK_SIZE  1024
 #endif
 
+#define AO_STACK_ALIGNMENT __attribute__ ((aligned(8)))
+
 #define AO_PORT_TYPE   uint16_t
 
 #define ao_arch_nop()          asm("nop")
@@ -98,4 +100,32 @@
 #define AO_SYSTICK     (AO_HCLK)
 #define AO_PANIC_DELAY_SCALE  (AO_SYSCLK / 12000000)
 
+/* The stm32f413 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
+
+#define AO_GPIO_MODE_PULL_NONE 0
+#define AO_GPIO_MODE_PULL_UP   4
+#define AO_GPIO_MODE_PULL_DOWN 8
+
+/* usart stuff */
+
+#define AO_SERIAL_SPEED_4800   4800
+#define AO_SERIAL_SPEED_9600   9600
+#define AO_SERIAL_SPEED_19200  19200
+#define AO_SERIAL_SPEED_57600  57600
+#define AO_SERIAL_SPEED_115200 115200
+
 #endif /* _AO_ARCH_H_ */