From caf5456067e7c1f8982adc30f78b8302a9fb9abe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mario=20H=C3=BCttel?= <mario.huettel@gmx.net>
Date: Sun, 19 Jan 2020 20:10:26 +0100
Subject: [PATCH] unlock

---
 .gitignore                                    |  7 +++
 fatfs/shimatta_sdio_driver/shimatta_sdio.c    | 61 ++++++++++++++++++-
 .../shimatta_sdio_config.h                    |  2 +-
 3 files changed, 68 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index b1bb22d..1458427 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,10 @@ Debug
 *.user.*
 *.lss
 *.d
+sdio.cflags
+sdio.config
+sdio.creator
+sdio.cxxflags
+sdio.files
+sdio.includes
+
diff --git a/fatfs/shimatta_sdio_driver/shimatta_sdio.c b/fatfs/shimatta_sdio_driver/shimatta_sdio.c
index 218011c..9d36f5e 100644
--- a/fatfs/shimatta_sdio_driver/shimatta_sdio.c
+++ b/fatfs/shimatta_sdio_driver/shimatta_sdio.c
@@ -78,6 +78,62 @@ DSTATUS SDIO_status(){
 volatile uint32_t debug;
 volatile uint32_t debug_timeout;
 volatile int debug_acmd = 0;
+
+sdio_write_buffer(uint32_t dlen, uint32_t blklen, uint8_t *buff)
+{
+	int count;
+	int byte_count;
+	int byte_max;
+	uint32_t fifo;
+
+	SDIO->DLEN = dlen;
+
+	/* Init Transfer */
+	SDIO->ICR = SDIO_ICR_CCRCFAILC | SDIO_ICR_DCRCFAILC | SDIO_ICR_CTIMEOUTC | SDIO_ICR_DTIMEOUTC |
+					SDIO_ICR_TXUNDERRC | SDIO_ICR_RXOVERRC | SDIO_ICR_CMDRENDC | SDIO_ICR_CMDSENTC | SDIO_ICR_DATAENDC |
+					SDIO_ICR_STBITERRC | SDIO_ICR_DBCKENDC | SDIO_ICR_SDIOITC | SDIO_ICR_CEATAENDC;
+	SDIO->DCTRL = (blklen<<4) | SDIO_DCTRL_DTEN;
+
+	for (count = 0; count < dlen; count += 4) {
+		fifo = 0;
+
+		if ((dlen - count) < 4)
+			byte_max = dlen - count;
+		else
+			byte_max = 4;
+
+		for (byte_count = 0; byte_count < byte_max; byte_count++)
+		{
+			fifo >>= 8;
+			fifo |= (((uint32_t)*(buff++)) << 24) & 0xFF000000;
+		}
+
+		while (SDIO->STA & SDIO_STA_TXFIFOF);
+
+		SDIO->FIFO = fifo;
+
+	}
+
+	while (SDIO->STA & SDIO_STA_TXACT);
+
+}
+
+uint8_t data1[512] = {(1<<1), 16, 0xC9, 0x9A, 0x20, 0x84, 0x3E, 0xD7, 0xD9, 0x0B, 0x68, 0x01,
+		     0xE4, 0x9F, 0x2B, 0xC8, 0x02, 0x77};
+sdio_unlock_card()
+{
+
+	uint32_t resp[10];
+
+	//SDIO_send_block_length_CMD16(18U);
+
+	SDIO_send_cmd(42, 0, SHORT_ANS);
+	SDIO_get_response(42, SHORT_ANS, resp);
+
+	sdio_write_buffer(512, 9, data1);
+
+}
+
 DSTATUS SDIO_initialize(){
 	int timeout = 0x3000;
 	int i;
@@ -148,6 +204,9 @@ DSTATUS SDIO_initialize(){
 	if (SDIO_send_block_length_CMD16((uint32_t)(1<<BLOCKSIZE)))
 		return STA_NOINIT;
 
+	sdio_unlock_card();
+
+
 	if (SDIO_send_bus_width_ACMD6(BUSWIDTH))
 		return STA_NOINIT;
 
@@ -193,7 +252,7 @@ DRESULT SDIO_disk_read(BYTE *buff, DWORD sector, UINT count){
 		SDIO->ICR = SDIO_ICR_CCRCFAILC | SDIO_ICR_DCRCFAILC | SDIO_ICR_CTIMEOUTC | SDIO_ICR_DTIMEOUTC |
 						SDIO_ICR_TXUNDERRC | SDIO_ICR_RXOVERRC | SDIO_ICR_CMDRENDC | SDIO_ICR_CMDSENTC | SDIO_ICR_DATAENDC |
 						SDIO_ICR_STBITERRC | SDIO_ICR_DBCKENDC | SDIO_ICR_SDIOITC | SDIO_ICR_CEATAENDC;
-		SDIO->DCTRL = (BLOCKSIZE<<4) | SDIO_DCTRL_DTDIR | SDIO_DCTRL_DMAEN | SDIO_DCTRL_DTEN;
+		SDIO->DCTRL = (BLOCKSIZE<<4) | SDIO_DCTRL_DTDIR | /*SDIO_DCTRL_DMAEN |*/ SDIO_DCTRL_DTEN;
 
 		debug=0;
 		counter = 0;
diff --git a/fatfs/shimatta_sdio_driver/shimatta_sdio_config.h b/fatfs/shimatta_sdio_driver/shimatta_sdio_config.h
index 4f81dd0..9597537 100644
--- a/fatfs/shimatta_sdio_driver/shimatta_sdio_config.h
+++ b/fatfs/shimatta_sdio_driver/shimatta_sdio_config.h
@@ -10,7 +10,7 @@
 #define HW_FLOW   0     //0
 //1 bit: !=4
 //4 bit: 4
-#define BUSWIDTH  4     //4
+#define BUSWIDTH  1     //4
 //Initial Transfer CLK (ca. 400kHz)
 #define INITCLK   130   //120
 //Working CLK (Maximum)