1 files changed, 110 insertions, 0 deletions
diff --git a/testhal/STM32/STM32F4xx/FSMC_NAND/dma_storm_spi.c b/testhal/STM32/STM32F4xx/FSMC_NAND/dma_storm_spi.c
new file mode 100644
index 0000000..742eeab
--- /dev/null
+++ b/testhal/STM32/STM32F4xx/FSMC_NAND/dma_storm_spi.c
@@ -0,0 +1,110 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2014 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+/*
+   Concepts and parts of this file have been contributed by Uladzimir Pylinsky
+   aka barthess.
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+/*
+ ******************************************************************************
+ * DEFINES
+ ******************************************************************************
+ */
+#define SPI_BUF_SIZE    512
+
+/*
+ ******************************************************************************
+ * EXTERNS
+ ******************************************************************************
+ */
+
+/*
+ ******************************************************************************
+ * PROTOTYPES
+ ******************************************************************************
+ */
+static void spi_end_cb(SPIDriver *spip);
+
+/*
+ ******************************************************************************
+ * GLOBAL VARIABLES
+ ******************************************************************************
+ */
+static uint8_t testbuf_ram[SPI_BUF_SIZE];
+static const uint8_t testbuf_flash[SPI_BUF_SIZE];
+
+/*
+ *
+ */
+static const SPIConfig spicfg = {
+    spi_end_cb,
+    GPIOA,
+    GPIOA_SPI1_NSS,
+    0, //SPI_CR1_BR_1 | SPI_CR1_BR_0
+};
+
+static uint32_t ints;
+static binary_semaphore_t sem;
+static bool stop = false;
+
+/*
+ ******************************************************************************
+ ******************************************************************************
+ * LOCAL FUNCTIONS
+ ******************************************************************************
+ ******************************************************************************
+ */
+
+static void spi_end_cb(SPIDriver *spip){
+  ints++;
+
+  if (stop){
+    chSysLockFromISR();
+    chBSemSignalI(&sem);
+    chSysUnlockFromISR();
+    return;
+  }
+  else{
+    chSysLockFromISR();
+    spiStartExchangeI(spip, SPI_BUF_SIZE, testbuf_flash, testbuf_ram);
+    chSysUnlockFromISR();
+  }
+}
+
+/*
+ ******************************************************************************
+ * EXPORTED FUNCTIONS
+ ******************************************************************************
+ */
+
+void dma_storm_spi_start(void){
+  ints = 0;
+  stop = false;
+  chBSemObjectInit(&sem, true);
+  spiStart(&SPID1, &spicfg);
+  spiStartExchange(&SPID1, SPI_BUF_SIZE, testbuf_flash, testbuf_ram);
+}
+
+uint32_t dma_storm_spi_stop(void){
+  stop = true;
+  chBSemWait(&sem);
+  spiStop(&SPID1);
+  return ints;
+}
+