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authorJF <jf@codingfield.com>2020-05-24 14:58:29 (GMT)
committerGitea <gitea@fake.local>2020-05-24 14:58:29 (GMT)
commit82b4ddc25b4c7913e0e6a13a209a4415dff044f1 (patch)
tree8eeafef1f4150a1cf238ee80e53c8901b0ec67af /src/drivers/SpiNorFlash.h
parentbe1ad9b07083e656a649d223750ff4b14b781b7b (diff)
parent073717980f5c00f553ac3b58a50b792b32a14c7a (diff)
Merge branch 'nimble-ota' of JF/PineTime into develop
Diffstat (limited to 'src/drivers/SpiNorFlash.h')
-rw-r--r--src/drivers/SpiNorFlash.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/drivers/SpiNorFlash.h b/src/drivers/SpiNorFlash.h
new file mode 100644
index 0000000..b5f1920
--- /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, 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;
+
+ };
+ }
+}
+
+