From 77549cbb2f155d465eb68297d75259a854989c7f Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Sat, 4 Nov 2023 18:09:55 +0100
Subject: WIP towards board order

---
 driver_fw/src/main.c | 42 +++++++++++++++++++++++++++++++-----------
 1 file changed, 31 insertions(+), 11 deletions(-)

(limited to 'driver_fw/src/main.c')

diff --git a/driver_fw/src/main.c b/driver_fw/src/main.c
index b338a98..d5b0e83 100644
--- a/driver_fw/src/main.c
+++ b/driver_fw/src/main.c
@@ -177,25 +177,39 @@ int main(void) {
     dma_tx_constant(COUNT_OF(waveform_zero_one), 0x00);
     xfr_8b10b_encode_reset(&encoder_state_8b10b);
 
-    memset(tx_buf_write, 0, sizeof(*tx_buf_write));
-    for (size_t i=0; i<COUNT_OF(tx_buf_write->packet.channels); i++) {
-        tx_buf_write->packet.channels[i] = 0x33;
-    }
-    for (size_t i=0; i<COUNT_OF(tx_buf_write->packet.brightness); i++) {
-        tx_buf_write->packet.brightness[i] = 0xff;
-    }
-    update_tx_buf();
-
     int i = 0;
     int j = 0;
+    int k = 0;
+    int n = 0;
     while (23) {
         i++;
         j++;
         i %= 6;
         j %= 4;
-        delay_us(100000);
+        delay_us(30000);
         set_rj45_leds(1 << j);
         set_status_leds(1 << i);
+        if (i == 0) {
+            k++;
+            if (k == 16) {
+                k = 0;
+                n++;
+                if (n == 16) {
+                    n = 0;
+                }
+            }
+
+            uint8_t b = (k < 8) ? (1<<k) : ~(1<<(k-8));
+            
+            memset(tx_buf_write, 0, sizeof(*tx_buf_write));
+            for (size_t i=0; i<COUNT_OF(tx_buf_write->packet.channels); i++) {
+                tx_buf_write->packet.channels[i] = 0xff;
+            }
+            for (size_t i=0; i<COUNT_OF(tx_buf_write->packet.brightness); i++) {
+                tx_buf_write->packet.brightness[i] = 0xff; //(n<<4) | n;
+            }
+            update_tx_buf();
+        }
     }
 }
 
@@ -229,6 +243,7 @@ size_t cnd_pos = 0;
 void DMA1_Channel1_IRQHandler() {
     static int transfer_errors = 0;
     static int current_symbol = 0;
+    static int idle_symbol = 0;
 
     if (DMA1->ISR & DMA_ISR_TEIF1) {
         transfer_errors ++;
@@ -257,7 +272,12 @@ void DMA1_Channel1_IRQHandler() {
 
         sym_arr[sym_pos] = -255;
 
-        if (tx_sympos == sizeof(struct data_packet)) {
+        idle_symbol++;
+        if (idle_symbol == 3) {
+            current_symbol = xfr_8b10b_encode(&encoder_state_8b10b, -K23_7);
+            idle_symbol = 0;
+
+        } else if (tx_sympos == sizeof(struct data_packet)) {
             if (time_to_sync > 0) {
                 current_symbol = xfr_8b10b_encode(&encoder_state_8b10b, -K27_7);
                 sym_arr[sym_pos] = current_symbol;
-- 
cgit