X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstmf0%2Fao_arch_funcs.h;h=01d51f90c17970b68140eaeef2b5342a7284de1d;hb=5628b983497d9d03e10cccee157419210a49cfa9;hp=8b6234c4e995709da15b1df949b1daf4fc7122fb;hpb=1667cb8e8b702b05fc3ec39ee49029885df64a4a;p=fw%2Faltos

diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h
index 8b6234c4..01d51f90 100644
--- a/src/stmf0/ao_arch_funcs.h
+++ b/src/stmf0/ao_arch_funcs.h
@@ -310,11 +310,43 @@ void
 ao_i2c_init(void);
 
 /* ao_serial_stm.c */
+
+#if USE_SERIAL_1_FLOW && USE_SERIAL_1_SW_FLOW || USE_SERIAL_2_FLOW && USE_SERIAL_2_SW_FLOW
+#define HAS_SERIAL_SW_FLOW	1
+#else
+#define HAS_SERIAL_SW_FLOW	0
+#endif
+
+#if USE_SERIAL_2_FLOW && !USE_SERIAL_2_SW_FLOW
+#define USE_SERIAL_2_HW_FLOW	1
+#endif
+
+#if USE_SERIAL_1_FLOW && !USE_SERIAL_1_SW_FLOW
+#define USE_SERIAL_1_HW_FLOW	1
+#endif
+
+#if USE_SERIAL_1_HW_FLOW || USE_SERIAL_2_HW_FLOW
+#define HAS_SERIAL_HW_FLOW	1
+#else
+#define HAS_SERIAL_HW_FLOW	0
+#endif
+
 struct ao_stm_usart {
 	struct ao_fifo		rx_fifo;
 	struct ao_fifo		tx_fifo;
 	struct stm_usart	*reg;
-	uint8_t			tx_started;
+	uint8_t			tx_running;
+	uint8_t			draining;
+#if HAS_SERIAL_SW_FLOW
+	/* RTS - 0 if we have FIFO space, 1 if not
+	 * CTS - 0 if we can send, 0 if not
+	 */
+	struct stm_gpio		*gpio_rts;
+	struct stm_gpio		*gpio_cts;
+	uint8_t			pin_rts;
+	uint8_t			pin_cts;
+	uint8_t			rts;
+#endif
 };
 
 #if HAS_SERIAL_1
@@ -355,7 +387,7 @@ ao_arch_memory_barrier() {
 static inline void
 ao_arch_init_stack(struct ao_task *task, void *start)
 {
-	uint32_t	*sp = (uint32_t *) (task->stack + AO_STACK_SIZE);
+	uint32_t	*sp = (uint32_t *) ((void *) task->stack + AO_STACK_SIZE);
 	uint32_t	a = (uint32_t) start;
 	int		i;