Merge branch 'develop' of JF/PineTime into master

1 files changed, 60 insertions, 0 deletions

diff --git a/src/drivers/SpiNorFlash.h b/src/drivers/SpiNorFlash.h
new file mode 100644
index 00000000..98267c09
--- /dev/null
+++ b/src/drivers/SpiNorFlash.h
@@ -0,0 +1,60 @@
+#pragma once
+#include <cstddef>
+
+namespace Pinetime {
+  namespace Drivers {
+    class Spi;
+    class SpiNorFlash {
+      public:
+        explicit SpiNorFlash(Spi& spi);
+        SpiNorFlash(const SpiNorFlash&) = delete;
+        SpiNorFlash& operator=(const SpiNorFlash&) = delete;
+        SpiNorFlash(SpiNorFlash&&) = delete;
+        SpiNorFlash& operator=(SpiNorFlash&&) = delete;
+
+        typedef struct __attribute__((packed)) {
+          uint8_t manufacturer = 0;
+          uint8_t type = 0;
+          uint8_t density = 0;
+        } Identification;
+
+        Identification ReadIdentificaion();
+        uint8_t ReadStatusRegister();
+        bool WriteInProgress();
+        bool WriteEnabled();
+        uint8_t ReadConfigurationRegister();
+        void Read(uint32_t address, uint8_t* buffer, size_t size);
+        void Write(uint32_t address, const uint8_t *buffer, size_t size);
+        void WriteEnable();
+        void SectorErase(uint32_t sectorAddress);
+        uint8_t ReadSecurityRegister();
+        bool ProgramFailed();
+        bool EraseFailed();
+
+
+        void Init();
+        void Uninit();
+
+
+        void Sleep();
+        void Wakeup();
+      private:
+        enum class Commands : uint8_t {
+            PageProgram = 0x02,
+            Read = 0x03,
+            ReadStatusRegister = 0x05,
+            WriteEnable = 0x06,
+            ReadConfigurationRegister = 0x15,
+            SectorErase = 0x20,
+            ReadSecurityRegister = 0x2B,
+            ReadIdentification = 0x9F,
+        };
+        static constexpr uint16_t pageSize = 256;
+
+        Spi& spi;
+
+    };
+  }
+}
+
+