From ac35a6e8f23f9cfe7452ae78e5c9ebebbdf331e0 Mon Sep 17 00:00:00 2001
From: Zhou Xiao <zhouxiao@espressif.com>
Date: Thu, 22 May 2025 16:54:20 +0800
Subject: [PATCH] feat(ble): provided dynamic spi enable/disable api

(cherry picked from commit 3568f19fef2c205556eb95c3e2ba116368f4be97)

Co-authored-by: Zhou Xiao <zhouxiao@espressif.com>
---
 .../bt/common/ble_log/ble_log_spi_out.c       | 21 +++++++++++++++++++
 .../ble_log/include/ble_log/ble_log_spi_out.h |  1 +
 2 files changed, 22 insertions(+)

diff --git a/components/bt/common/ble_log/ble_log_spi_out.c b/components/bt/common/ble_log/ble_log_spi_out.c
index 0c7105a2d7..0366e555a1 100644
--- a/components/bt/common/ble_log/ble_log_spi_out.c
+++ b/components/bt/common/ble_log/ble_log_spi_out.c
@@ -91,6 +91,7 @@ enum {
 
 // Private variables
 static bool spi_out_inited = false;
+static bool spi_out_enabled = false;
 static spi_device_handle_t spi_handle = NULL;
 static uint32_t last_tx_done_ts = 0;
 
@@ -239,6 +240,13 @@ IRAM_ATTR static inline int spi_out_append_trans(spi_out_trans_cb_t *trans_cb)
         return -1;
     }
 
+    // Note: To support dump log when disabled
+    if (!spi_out_enabled) {
+        trans_cb->length = 0;
+        trans_cb->flag = TRANS_CB_FLAG_AVAILABLE;
+        return 0;
+    }
+
     // CRITICAL: Length unit conversion from bytes to bits
     trans_cb->trans.length = trans_cb->length * 8;
     trans_cb->trans.rxlength = 0;
@@ -740,6 +748,7 @@ int ble_log_spi_out_init(void)
     // Initialization done
     ESP_LOGI(BLE_LOG_TAG, "Succeeded to initialize BLE log SPI output interface!");
     spi_out_inited = true;
+    spi_out_enabled = true;
 
 #if SPI_OUT_FLUSH_TIMER_ENABLED
     // Start flushout timer
@@ -796,6 +805,7 @@ void ble_log_spi_out_deinit(void)
 
     // Reset init flag
     spi_out_inited = false;
+    spi_out_enabled = false;
 }
 
 #if SPI_OUT_TS_SYNC_ENABLED
@@ -1050,4 +1060,15 @@ void ble_log_spi_out_dump_all(void)
     portEXIT_CRITICAL_SAFE(&spinlock);
 }
 
+void ble_log_spi_out_enable(bool enable)
+{
+    spi_out_enabled = enable;
+
+    if (!enable) {
+#if CONFIG_BT_BLE_LOG_SPI_OUT_TS_SYNC_ENABLED
+        ble_log_spi_out_ts_sync_stop();
+#endif // CONFIG_BT_BLE_LOG_SPI_OUT_TS_SYNC_ENABLED
+    }
+}
+
 #endif // CONFIG_BT_BLE_LOG_SPI_OUT_ENABLED
diff --git a/components/bt/common/ble_log/include/ble_log/ble_log_spi_out.h b/components/bt/common/ble_log/include/ble_log/ble_log_spi_out.h
index 60c4aad1b1..4272d6ff0b 100644
--- a/components/bt/common/ble_log/include/ble_log/ble_log_spi_out.h
+++ b/components/bt/common/ble_log/include/ble_log/ble_log_spi_out.h
@@ -55,5 +55,6 @@ int ble_log_spi_out_printf(uint8_t source, const char *format, ...);
 int ble_log_spi_out_printf_enh(uint8_t source, uint8_t level, const char *tag, const char *format, ...);
 int ble_log_spi_out_write_with_ts(uint8_t source, const uint8_t *addr, uint16_t len);
 void ble_log_spi_out_dump_all(void);
+void ble_log_spi_out_enable(bool enable);
 
 #endif // __BT_SPI_OUT_H__