X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstm%2Fao_arch_funcs.h;fp=src%2Fstm%2Fao_arch_funcs.h;h=5a7782dea8913779c8aa01cb37eb93cdec8387bc;hp=6fcfd5f85a1187e5e3018dd1827ef2e7e507acb4;hb=27319e4edbc503f193475b437fa5fe2937d47cbe;hpb=7c9a111ac1c88467ce28e03b4a9d3eabc9d7015b

diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h
index 6fcfd5f8..5a7782de 100644
--- a/src/stm/ao_arch_funcs.h
+++ b/src/stm/ao_arch_funcs.h
@@ -278,14 +278,35 @@ ao_i2c_recv(void *block, uint16_t len, uint8_t i2c_index, uint8_t stop);
 void
 ao_i2c_init(void);
 
+#if USE_SERIAL_1_SW_FLOW || USE_SERIAL_2_SW_FLOW || USE_SERIAL_3_SW_FLOW
+#define HAS_SERIAL_SW_FLOW 1
+#else
+#define HAS_SERIAL_SW_FLOW 0
+#endif
+
+#if USE_SERIAL_1_FLOW && !USE_SERIAL_1_SW_FLOW || USE_SERIAL_2_FLOW && !USE_SERIAL_2_SW_FLOW || USE_SERIAL_3_FLOW && !USE_SERIAL_3_SW_FLOW
+#define HAS_SERIAL_HW_FLOW 1
+#else
+#define HAS_SERIAL_HW_FLOW 0
+#endif
+
 /* ao_serial_stm.c */
 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