Alternative fix serial for 204 and 205 boards

skot · Nov 29, 2024 · 3fb42ea · 3fb42ea
1 parent e9b30ba
commit 3fb42ea
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Showing 4 changed files with 17 additions and 3 deletions.
diff --git a/components/asic/bm1368.c b/components/asic/bm1368.c
@@ -8,6 +8,8 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 
+#include "driver/uart.h"
+
 #include <math.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -317,6 +319,10 @@ int BM1368_set_max_baud(void)
 
     unsigned char init8[11] = {0x55, 0xAA, 0x51, 0x09, 0x00, 0x28, 0x11, 0x30, 0x02, 0x00, 0x03};
     _send_simple(init8, 11);
+
+    // Make sure that we are done writing before setting a new baudrate on the ESP32 controller side.
+    uart_wait_tx_done(UART_NUM_1, 1000 / portTICK_PERIOD_MS);
+
     return 1000000;
 }
 

diff --git a/components/asic/bm1370.c b/components/asic/bm1370.c
@@ -9,6 +9,8 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 
+#include "driver/uart.h"
+
 #include <math.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -381,6 +383,10 @@ int BM1370_set_max_baud(void)
 
     unsigned char init8[11] = {0x55, 0xAA, 0x51, 0x09, 0x00, 0x28, 0x11, 0x30, 0x02, 0x00, 0x03};
     _send_simple(init8, 11);
+
+    // Make sure that we are done writing before setting a new baudrate on the ESP32 controller side.
+    uart_wait_tx_done(UART_NUM_1, 1000 / portTICK_PERIOD_MS);
+
     return 1000000;
 }
 

diff --git a/components/asic/bm1397.c b/components/asic/bm1397.c
@@ -6,6 +6,7 @@
 
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
+#include "driver/uart.h"
 #include "esp_log.h"
 
 #include "serial.h"
@@ -322,6 +323,10 @@ int BM1397_set_max_baud(void)
     unsigned char baudrate[9] = {0x00, MISC_CONTROL, 0x00, 0x00, 0b01100000, 0b00110001};
     ; // baudrate - misc_control
     _send_BM1397((TYPE_CMD | GROUP_ALL | CMD_WRITE), baudrate, 6, BM1937_SERIALTX_DEBUG);
+
+    // Make sure that we are done writing before setting a new baudrate on the ESP32 controller side.
+    uart_wait_tx_done(UART_NUM_1, 1000 / portTICK_PERIOD_MS);
+
     return 3125000;
 }
 

diff --git a/components/asic/serial.c b/components/asic/serial.c
@@ -47,9 +47,6 @@ void SERIAL_set_baud(int baud)
 {
     ESP_LOGI(TAG, "Changing UART baud to %i", baud);
 
-    // Make sure that we are done writing before setting a new baudrate.
-    uart_wait_tx_done(UART_NUM_1, 1000 / portTICK_PERIOD_MS);
-
     uart_set_baudrate(UART_NUM_1, baud);
 }