From e53e829b7ad430500bae4a972876685bb0eb76c1 Mon Sep 17 00:00:00 2001
From: linjieqiang <517503838@qq.com>
Date: Tue, 13 Dec 2016 13:39:08 +0800
Subject: [PATCH] Add support for SDCard

---
 src/main/target/FishDroneF4/target.h  | 19 +++++++++++++++++++
 src/main/target/FishDroneF4/target.mk |  2 +-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/main/target/FishDroneF4/target.h b/src/main/target/FishDroneF4/target.h
index 46a6a7152..1be82892d 100644
--- a/src/main/target/FishDroneF4/target.h
+++ b/src/main/target/FishDroneF4/target.h
@@ -92,6 +92,25 @@
 #define M25P16_CS_PIN           PD2
 #define M25P16_SPI_INSTANCE     SPI3
 
+// *************** SDCARD *****************************
+#define USE_SDCARD
+
+#define SDCARD_DETECT_INVERTED
+
+#define SDCARD_DETECT_PIN       PB7
+#define SDCARD_SPI_INSTANCE     SPI3
+#define SDCARD_SPI_CS_PIN       PB9
+
+// SPI2 is on the APB1 bus whose clock runs at 84MHz. Divide to under 400kHz for init:
+#define SDCARD_SPI_INITIALIZATION_CLOCK_DIVIDER 256 // 328kHz
+// Divide to under 25MHz for normal operation:
+#define SDCARD_SPI_FULL_SPEED_CLOCK_DIVIDER     4 	// 21MHz
+
+#define SDCARD_DMA_CHANNEL_TX               DMA1_Stream5
+#define SDCARD_DMA_CHANNEL_TX_COMPLETE_FLAG DMA_FLAG_TCIF5
+#define SDCARD_DMA_CLK                      RCC_AHB1Periph_DMA1
+#define SDCARD_DMA_CHANNEL                  DMA_Channel_0
+
 // *************** RTC6705 *************************
 #define USE_RTC6705
 #define RTC6705_SPILE_PIN       PB3
diff --git a/src/main/target/FishDroneF4/target.mk b/src/main/target/FishDroneF4/target.mk
index 3fb7f67ae..0fd79b1f8 100644
--- a/src/main/target/FishDroneF4/target.mk
+++ b/src/main/target/FishDroneF4/target.mk
@@ -1,5 +1,5 @@
 F405_TARGETS    += $(TARGET)
-FEATURES        += VCP ONBOARDFLASH
+FEATURES        += SDCARD VCP ONBOARDFLASH
 
 TARGET_SRC = \
             drivers/accgyro_spi_mpu6500.c \