From a3a42ad011eff3516eed374eef8cfcf647493347 Mon Sep 17 00:00:00 2001
From: gvl610 <giangvinhloc610@gmail.com>
Date: Wed, 25 Oct 2023 23:54:47 +0700
Subject: [PATCH] Increase SPI speed to fCLk/2 after SD card init

---
 sdcard.c | 2 ++
 sdcard.h | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/sdcard.c b/sdcard.c
index fbd7cad..10cf3c5 100644
--- a/sdcard.c
+++ b/sdcard.c
@@ -61,6 +61,8 @@ uint8_t SD_init()
 
     SD_readOCR(res);
 
+    SPI_init(SPI_MASTER | SPI_2X_FOSC_2 | SPI_MODE_0);
+
     return SD_SUCCESS;
 }
 
diff --git a/sdcard.h b/sdcard.h
index eb6e418..3d9bcee 100644
--- a/sdcard.h
+++ b/sdcard.h
@@ -42,7 +42,7 @@
 #define CMD55_MAX_ATTEMPTS      255
 #define SD_ERROR                1
 #define SD_SUCCESS              0
-#define SD_MAX_READ_ATTEMPTS    1563
+#define SD_MAX_READ_ATTEMPTS    3907
 #define SD_READ_START_TOKEN     0xFE
 #define SD_INIT_CYCLES          80