From 6346e241206282c12f2af437975d25b1cefd0d3e Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Fri, 21 Jun 2019 21:27:13 +0200
Subject: [PATCH] fix(ecgtest): Fix scaling
---
hw-tests/ecgtest/main.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/hw-tests/ecgtest/main.c b/hw-tests/ecgtest/main.c
index a396f21f1..a2f627d30 100644
--- a/hw-tests/ecgtest/main.c
+++ b/hw-tests/ecgtest/main.c
@@ -26,6 +26,8 @@
static bool ecg_switch;
static bool internal_pull;
+#define Y_OFFSET 36
+#define Y_SCALE 35
/***** Functions *****/
static uint32_t ecg_read_reg(uint8_t reg)
@@ -146,17 +148,17 @@ static uint8_t prev;
static void clear(void)
{
Paint_Clear(BLACK);
- prev = 32;
+ prev = Y_OFFSET;
}
static void set(uint8_t index, int8_t val)
{
- if(val < -31) val = -31;
- if(val > 32) val = 32;
+ if(val < -Y_SCALE) val = -Y_SCALE;
+ if(val > Y_SCALE) val = Y_SCALE;
- int8_t pos = 32 + val;
+ int8_t pos = Y_OFFSET + val;
int min, max;
if(prev < pos) {
@@ -179,11 +181,6 @@ void update(void)
{
clear();
- char buf[128];
- sprintf(buf, "Switch: %d Pull: %d", ecg_switch, internal_pull);
- Paint_DrawString_EN(0, 0, buf, &Font8, 0x0000, 0xffff);
-
-
int16_t max = 0;
for(int i=0; i<SIZE_X; i++) {
if(abs(samples[i]) > max) {
@@ -191,7 +188,12 @@ void update(void)
}
}
- int16_t scale = max / 32;
+ int16_t scale = max / Y_SCALE + 1;
+
+ char buf[128];
+ sprintf(buf, "Switch: %d Pull: %d Scale: %d", ecg_switch, internal_pull, scale);
+ Paint_DrawString_EN(0, 0, buf, &Font8, 0x0000, 0xffff);
+
for(int i=0; i<SIZE_X; i++) {
set(i, (samples[i] / scale));
--
GitLab