From 2e7724b9607223d84f2314c9d21cbd1111e017ec Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Sun, 8 May 2022 16:36:25 +0200
Subject: WIP

---
 driver_fw/main.c      | 8 ++++++--
 driver_fw/openocd.cfg | 4 ++--
 2 files changed, 8 insertions(+), 4 deletions(-)

(limited to 'driver_fw')

diff --git a/driver_fw/main.c b/driver_fw/main.c
index 5123237..f02c177 100644
--- a/driver_fw/main.c
+++ b/driver_fw/main.c
@@ -96,6 +96,8 @@ static int flipbits10(int in) {
 
 }
 
+uint8_t spinner = 0; /* FIXME DEBUG */
+
 int main(void) {
     /* Startup code */
     RCC->CR |= RCC_CR_HSEON;
@@ -220,6 +222,7 @@ int main(void) {
     while (42) {
         if (sys_flag_1Hz) { /* Update display every second */
             sys_flag_1Hz = 0; 
+            spinner = ~spinner;
 
             char buf[17];
             int temp = mcp9801_read_mdegC();
@@ -252,8 +255,9 @@ int hamming_weight(int i) {
 void TIM3_IRQHandler() {
     static int txpos = -1;
     static unsigned int tx_start_tick = 0;
-    static uint8_t txbuf[2] = {0x04, 0x05};
+    static uint8_t txbuf[3] = {0x05, 0x01, 0};
     static int backchannel_counter = 0;
+    txbuf[2] = spinner;
 
     TIM3->SR &= ~TIM_SR_UIF;
     int sym = txstate.current_symbol;
@@ -294,7 +298,7 @@ void TIM3_IRQHandler() {
     txstate.current_symbol = sym;
 
     /* FIXME factor out into header, or even make configurable */
-#define DEAD_TIME 100
+#define DEAD_TIME 1
     /* Set both CCRs to values for opposing polarities. The dead time is always inserted at the beginning of the timer
      * cycle due to the way the capture/compare unit PWM machinery works. By setting the CCR to 0xffff we make sure the
      * output is never turned on, since 0xffff is larger than the ARR/counter top value.
diff --git a/driver_fw/openocd.cfg b/driver_fw/openocd.cfg
index 97a3a05..c1a4abc 100644
--- a/driver_fw/openocd.cfg
+++ b/driver_fw/openocd.cfg
@@ -1,8 +1,8 @@
 telnet_port 4444
 gdb_port 3333
 
-source [find interface/stlink-v2.cfg]
-#hla_serial "000000000001"
+source [find interface/stlink.cfg]
+hla_serial "54FF6B064987495026541187"
 transport select hla_swd
 
 source [find target/stm32f0x.cfg]
-- 
cgit