From f0d941bef6a9b6e3af78cfc68e1f82d6b47ccb2f Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Tue, 26 May 2020 14:33:34 +0100
Subject: happy

---
 stm32/app/temp.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 stm32/app/temp.c

(limited to 'stm32/app/temp.c')

diff --git a/stm32/app/temp.c b/stm32/app/temp.c
new file mode 100644
index 0000000..25a5de3
--- /dev/null
+++ b/stm32/app/temp.c
@@ -0,0 +1,72 @@
+#include "project.h"
+
+
+#define N_SENSORS 2
+
+#define SENSOR_INDEX_CH_RETURN  0
+#define SENSOR_INDEX_DHW_FEED 1
+
+static const Onewire_addr s_addr[N_SENSORS] = {
+  [0] = {{0x28, 0x60, 0x06, 0x53, 0x03, 0x00, 0x00, 0xf5}},
+  [1] = {{0x28, 0xa4, 0x08, 0x53, 0x03, 0x00, 0x00, 0x14}},
+};
+
+
+static int s_temp[N_SENSORS];
+
+static unsigned poke;
+
+
+void temp_tick (void)
+{
+  static unsigned ticker;
+
+  ticker++;
+
+  if (ticker < 3000)
+    return;
+
+  ticker = 0;
+  poke = 1;
+
+}
+
+
+
+
+
+void temp_dispatch (void)
+{
+  static unsigned sensor;
+
+  if (!poke) return;
+
+  poke = 0;
+
+  if (sensor < N_SENSORS) {
+    if (ds1820_read (&s_addr[sensor], &s_temp[sensor]))
+      s_temp[sensor] = 0;
+
+
+    printf ("Q1W: sensor %d temp %d\n", sensor, (s_temp[sensor] * 100) / 256);
+
+
+    sensor++;
+  } else {
+#if 0
+    onewire_search();
+#endif
+  }
+
+  if (sensor == N_SENSORS)
+    sensor = 0;
+
+
+}
+
+
+
+uint16_t temp_ch_return (void)
+{
+  return  s_temp[SENSOR_INDEX_CH_RETURN];
+}
-- 
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