From b2c8a832cc2f55867bc60eaeb98f0a4f8ce500aa Mon Sep 17 00:00:00 2001
From: windowsair <msdn_02@sina.com>
Date: Mon, 31 May 2021 12:46:20 +0800
Subject: [PATCH] fix(dap): JTAG speed

---
 README.md                   | 4 +++-
 components/DAP/source/DAP.c | 7 +++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index c88bc8a..7d19cbd 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-<p align="center"><img src="https://user-images.githubusercontent.com/17078589/107881245-7d7d5580-6f1e-11eb-9f66-6ac589e5f95c.png"/></p>
+<p align="center"><img src="https://user-images.githubusercontent.com/17078589/120061980-49274280-c092-11eb-9916-4965f6c48388.png"/></p>
 
 ![image](https://user-images.githubusercontent.com/17078589/107857220-05ecef00-6e68-11eb-9fa0-506b32052dba.png)
 
@@ -51,6 +51,8 @@ You can change `WIFI_SSID` and ` WIFI_PASS` in [wifi_configuration.h](main/wifi_
 
 You can also specify your IP in the above file (We recommend using the static address binding feature of the router).
 
+![WIFI](https://user-images.githubusercontent.com/17078589/118365659-517e7880-b5d0-11eb-9a5b-afe43348c2ba.png)
+
 ### Debugger
 
 
diff --git a/components/DAP/source/DAP.c b/components/DAP/source/DAP.c
index 973f0fb..8f4719e 100644
--- a/components/DAP/source/DAP.c
+++ b/components/DAP/source/DAP.c
@@ -385,10 +385,13 @@ static uint32_t DAP_SWJ_Clock(const uint8_t *request, uint8_t *response) {
 
   // clock >= 10MHz -> use 40MHz SPI
   if (clock >= 10000000) {
-    DAP_SPI_Init();
+    if (DAP_Data.debug_port != DAP_PORT_JTAG) {
+      DAP_SPI_Init();
+      SWD_TransferSpeed = kTransfer_SPI;
+    }
     DAP_Data.fast_clock  = 1U;
     DAP_Data.clock_delay = 1U;
-    SWD_TransferSpeed = kTransfer_SPI;
+
   } else if (clock >= 2000000) {
     // clock >= 2MHz -> Use GPIO with no program delay
     DAP_SPI_Deinit();