diff --git a/platform/mcu/STM32F4xx/drivers/SPI2.c b/platform/mcu/STM32F4xx/drivers/SPI2.c
new file mode 100644
index 00000000..9deaf7ff
--- /dev/null
+++ b/platform/mcu/STM32F4xx/drivers/SPI2.c
@@ -0,0 +1,74 @@
+/***************************************************************************
+ *   Copyright (C) 2021 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN                             *
+ *                         Frederik Saraci IU2NRO                          *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#include "SPI2.h"
+#include <pthread.h>
+#include <stm32f4xx.h>
+
+pthread_mutex_t mutex;
+
+void spi2_init()
+{
+    RCC->APB1ENR |= RCC_APB1ENR_SPI2EN;
+    __DSB();
+
+    SPI2->CR1 = SPI_CR1_SSM     /* Software managment of nCS */
+              | SPI_CR1_SSI     /* Force internal nCS        */
+              | SPI_CR1_BR_2    /* Fclock: 42MHz/32 = 1.3MHz */
+              | SPI_CR1_MSTR    /* Master mode               */
+              | SPI_CR1_SPE;    /* Enable peripheral         */
+
+    pthread_mutex_init(&mutex, NULL);
+}
+
+void spi2_terminate()
+{
+    RCC->APB1ENR &= ~RCC_APB1ENR_SPI2EN;
+    __DSB();
+
+    pthread_mutex_destroy(&mutex);
+}
+
+uint8_t spi2_sendRecv(const uint8_t val)
+{
+    SPI2->DR = val;
+    while((SPI2->SR & SPI_SR_RXNE) == 0) ;
+    return SPI2->DR;
+}
+
+bool spi2_lockDevice()
+{
+    if(pthread_mutex_trylock(&mutex) == 0)
+    {
+        return true;
+    }
+
+    return false;
+}
+
+void spi2_lockDeviceBlocking()
+{
+    pthread_mutex_lock(&mutex);
+}
+
+void spi2_releaseDevice()
+{
+    pthread_mutex_unlock(&mutex);
+}
diff --git a/platform/mcu/STM32F4xx/drivers/SPI2.h b/platform/mcu/STM32F4xx/drivers/SPI2.h
new file mode 100644
index 00000000..2b2008f5
--- /dev/null
+++ b/platform/mcu/STM32F4xx/drivers/SPI2.h
@@ -0,0 +1,69 @@
+/***************************************************************************
+ *   Copyright (C) 2021 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN                             *
+ *                         Frederik Saraci IU2NRO                          *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#ifndef SPI2_H
+#define SPI2_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+/**
+ * Initialise SPI2 peripheral with a bus clock frequency of ~1.3MHz.
+ * NOTE: this driver does not configure the SPI GPIOs, which have to be put in
+ * alternate mode by application code.
+ */
+void spi2_init();
+
+/**
+ * Shut down SPI2 peripheral.
+ * NOTE: is left to application code to change the operating mode of the SPI
+ * GPIOs
+ */
+void spi2_terminate();
+
+/**
+ * Exchange one byte over the SPI bus.
+ * @param val: transmitted byte.
+ * @return incoming byte from slave device.
+ */
+uint8_t spi2_sendRecv(const uint8_t val);
+
+/**
+ * Acquire exclusive ownership on the SPI peripheral by locking an internal
+ * mutex. This function is nonblocking and returs true if mutex has been
+ * successfully locked by the caller.
+ * @return true if device has been locked.
+ */
+bool spi2_lockDevice();
+
+/**
+ * Acquire exclusive ownership on the SPI peripheral by locking an internal
+ * mutex. In case mutex is already locked, this function blocks the execution
+ * flow until it becomes free again.
+ */
+void spi2_lockDeviceBlocking();
+
+/**
+ * Release exclusive ownership on the SPI peripheral.
+ */
+void spi2_releaseDevice();
+
+#endif /* SPI2_H */