Update based on feedback

components/asic/bm1370.c

@@ -100,7 +100,7 @@ static void _send_BM1370(uint8_t header, uint8_t * data, uint8_t data_len, bool
     }
 
     // send serial data
-    if (SERIAL_send(buf, total_length, debug) == 0) {
+    if (SERIAL_send(buf, total_length, debug) != ESP_OK) {
         ESP_LOGE(TAG, "Failed to send data to BM1370");
     }
 

components/asic/include/serial.h

@@ -4,7 +4,7 @@
 #define SERIAL_BUF_SIZE 16
 #define CHUNK_SIZE 1024
 
-int SERIAL_send(uint8_t *, int, bool);
+esp_err_t SERIAL_send(uint8_t *, int, bool);
 void SERIAL_init(void);
 void SERIAL_debug_rx(void);
 int16_t SERIAL_rx(uint8_t *, uint16_t, uint16_t);

components/asic/serial.c

@@ -49,18 +49,26 @@ void SERIAL_set_baud(int baud)
     uart_set_baudrate(UART_NUM_1, baud);
 }
 
-int SERIAL_send(uint8_t *data, int len, bool debug)
+esp_err_t SERIAL_send(uint8_t *data, int len, bool debug)
 {
     int written = uart_write_bytes(UART_NUM_1, (const char *)data, len);
-    uart_wait_tx_done(UART_NUM_1, portMAX_DELAY);
+
     if (debug)
     {
         printf("tx: ");
         prettyHex((unsigned char *)data, len);
         printf("\n");
     }
 
-    return written;
+    if (written == 0) {
+        return ESP_FAIL;
+    }
+
+    if (uart_wait_tx_done(UART_NUM_1, 1000 / portTICK_PERIOD_MS) != ESP_OK) {
+        return ESP_FAIL;
+    }
+
+    return ESP_OK;
 }
 
 /// @brief waits for a serial response from the device

sdkconfig.defaults

@@ -10,3 +10,5 @@ CONFIG_SPIFFS_OBJ_NAME_LEN=64
 CONFIG_HTTPD_MAX_URI_LEN=2048
 CONFIG_ESP32S3_DEFAULT_CPU_FREQ_240=y
 CONFIG_ESP_WIFI_11KV_SUPPORT=y
+CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_PERF=y
+CONFIG_FREERTOS_HZ=1000