From 37338e2ad8ca226119121432b65f6c61134e60ac Mon Sep 17 00:00:00 2001
From: jaseg <git-bigdata-wsl-arch@jaseg.de>
Date: Wed, 18 Mar 2020 20:35:15 +0100
Subject: Fix firmware dsss decoding bug

This is my #1 top dumbest bug like ever
---
 controller/fw/src/main.c  | 3 ++-
 lab-windows/scratch.ipynb | 6 +++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/controller/fw/src/main.c b/controller/fw/src/main.c
index 814c723..d2795df 100644
--- a/controller/fw/src/main.c
+++ b/controller/fw/src/main.c
@@ -213,6 +213,8 @@ int main(void)
     GPIOA->MODER |= (1<<GPIO_MODER_MODER11_Pos) | (1<<GPIO_MODER_MODER12_Pos) | (1<<GPIO_MODER_MODER15_Pos);
 #endif
 
+    dsss_demod_init(&demod_state);
+
     con_printf("Booted.\r\n");
     while (23) {
         if (adc_fft_buf_ready_idx != -1) {
@@ -243,7 +245,6 @@ int main(void)
                     GPIOA->BSRR = 1<<7;
 
                 GPIOA->BSRR = 1<<12;
-                dsss_demod_init(&demod_state);
                 dsss_demod_step(&demod_state, out, freq_sample_ts);
                 GPIOA->BSRR = 1<<12<<16;
             }
diff --git a/lab-windows/scratch.ipynb b/lab-windows/scratch.ipynb
index d31ef92..6459245 100644
--- a/lab-windows/scratch.ipynb
+++ b/lab-windows/scratch.ipynb
@@ -129,12 +129,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 30,
+   "execution_count": 44,
    "metadata": {},
    "outputs": [],
    "source": [
-    "with open('data/dsss_test_demod_fixed_03.bin', 'wb') as f:\n",
-    "    for freq in read_freq_log('data/dsss_test_demod_fixed_03.log'):\n",
+    "with open('data/dsss_test_demod_fixed_05.bin', 'wb') as f:\n",
+    "    for freq in read_freq_log('data/dsss_test_demod_fixed_05.log'):\n",
     "        f.write(struct.pack('f', freq))"
    ]
   },
-- 
cgit