From ff7421e1ddf92f6d35aae6f38dd3876ba719cdc6 Mon Sep 17 00:00:00 2001
From: Robin Mueller <robin.mueller.m@gmail.com>
Date: Thu, 3 Jun 2021 21:53:52 +0200
Subject: [PATCH] added spi transfer modes

---
 stm32h7/devicetest/GyroL3GD20H.cpp | 3 ++-
 stm32h7/devicetest/GyroL3GD20H.h   | 4 +++-
 stm32h7/spi/spiDefinitions.h       | 6 ++++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/stm32h7/devicetest/GyroL3GD20H.cpp b/stm32h7/devicetest/GyroL3GD20H.cpp
index 736ec2f..30bd381 100644
--- a/stm32h7/devicetest/GyroL3GD20H.cpp
+++ b/stm32h7/devicetest/GyroL3GD20H.cpp
@@ -16,7 +16,8 @@ TransferStates transferState = TransferStates::IDLE;
 DMA_HandleTypeDef txDmaHandle;
 DMA_HandleTypeDef rxDmaHandle;
 
-GyroL3GD20H::GyroL3GD20H(SPI_HandleTypeDef *spiHandle): spiHandle(spiHandle) {
+GyroL3GD20H::GyroL3GD20H(SPI_HandleTypeDef *spiHandle, spi::TransferModes transferMode):
+        spiHandle(spiHandle), transferMode(transferMode) {
     set_dma_handles(&txDmaHandle, &rxDmaHandle);
     set_spi_msp_functions(&hal_spi_msp_init_dma, spiHandle, &hal_spi_msp_deinit_dma, spiHandle);
     GPIO_InitTypeDef chipSelect = {};
diff --git a/stm32h7/devicetest/GyroL3GD20H.h b/stm32h7/devicetest/GyroL3GD20H.h
index 2a5b991..e9dacb0 100644
--- a/stm32h7/devicetest/GyroL3GD20H.h
+++ b/stm32h7/devicetest/GyroL3GD20H.h
@@ -4,6 +4,7 @@
 #include "stm32h7xx_hal.h"
 #include "stm32h7xx_hal_spi.h"
 
+#include "../spi/spiDefinitions.h"
 #include "fsfw/returnvalues/HasReturnvaluesIF.h"
 
 #include <cstdint>
@@ -18,7 +19,7 @@ enum class TransferStates {
 
 class GyroL3GD20H {
 public:
-    GyroL3GD20H(SPI_HandleTypeDef* spiHandle);
+    GyroL3GD20H(SPI_HandleTypeDef* spiHandle, spi::TransferModes transferMode);
 
     ReturnValue_t initialize();
     ReturnValue_t performOperation();
@@ -26,6 +27,7 @@ public:
 private:
 
     SPI_HandleTypeDef* spiHandle;
+    spi::TransferModes transferMode;
     static constexpr size_t recvBufferSize = 32 * 10;
     static std::array<uint8_t, recvBufferSize> rxBuffer;
     std::array<uint8_t, 32> txBuffer;
diff --git a/stm32h7/spi/spiDefinitions.h b/stm32h7/spi/spiDefinitions.h
index ae07c7c..e23ea2e 100644
--- a/stm32h7/spi/spiDefinitions.h
+++ b/stm32h7/spi/spiDefinitions.h
@@ -8,6 +8,12 @@
 
 namespace spi {
 
+enum TransferModes {
+    POLLING,
+    INTERRUPT,
+    DMA
+};
+
 void assignSpiMode(SpiModes spiMode, SPI_HandleTypeDef* spiHandle);
 
 /**