From: Martin Mares <mj@ucw.cz>
Date: Tue, 25 Feb 2020 20:17:19 +0000 (+0100)
Subject: BSB: RX LED
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=d2a47ff7858e03000280d640566c8142578ebf02;p=home-hw.git

BSB: RX LED
---

diff --git a/bsb/firmware/main.c b/bsb/firmware/main.c
index 06b49ff..e7237e1 100644
--- a/bsb/firmware/main.c
+++ b/bsb/firmware/main.c
@@ -108,6 +108,7 @@ static volatile u32 bsb_rx_timestamp;
 // Passing received frames to the main loop
 static byte bsb_rx_frame[BSB_MAX_SIZE];
 static volatile byte bsb_rx_frame_len;
+static byte bsb_rx_frame_led;
 
 struct bsb_stat {
 	u32 rx_noise;
@@ -152,6 +153,8 @@ void usart3_isr(void)
 					memcpy(bsb_rx_frame, bsb_rx_buf, bsb_rx_buf[3]);
 					barrier();
 					bsb_rx_frame_len = bsb_rx_buf[3];
+					bsb_rx_frame_led = 100;
+					gpio_clear(GPIOB, GPIO1);
 				}
 			}
 		}
@@ -444,6 +447,10 @@ int main(void)
 			bsb_rx_len = 0;
 			bsb_stat.rx_timeouts++;
 		}
+		if (bsb_rx_frame_led) {
+			if (!--bsb_rx_frame_led)
+				gpio_set(GPIOB, GPIO1);
+		}
 		cm_enable_interrupts();
 
 		wait_for_interrupt();