Erbui sdmmc support

.github/workflows/windows_2019.yml

@@ -23,9 +23,6 @@ jobs:
       - name: test/micropatch
         run: erbb configure && erbb build && erbb build simulator
         working-directory: test/micropatch
-      - name: test/seed2-dfm-eval-euro
-        run: erbb configure && erbb build firmware && erbb build simulator
-        working-directory: test/seed2-dfm-eval-euro
       - name: test/display-context
         run: erbb configure && erbb build firmware && erbb build simulator
         working-directory: test/display-context

boards/seed2_dfm_eval_euro/definition.py

@@ -121,5 +121,10 @@
          'accept': ['Display'],
          'bind': 'oled()',
       },
+
+      'SDMMC1': {
+         'accept': ['SdMmc'],
+         'bind': 'fatfs()',
+      },
    }
 }

boards/seed2_dfm_eval_euro/firmware/BoardSeed2DfmEvalEuro.h

@@ -73,6 +73,13 @@ class BoardSeed2DfmEvalEuro
    inline typename erb::FormatSsd130x <128, 64>::Storage &
                   oled () { return _oled_buffer; }
 
+   // SdMmc
+#if defined (erb_USE_FATFS) && erb_USE_FATFS
+   inline FATFS & fatfs () { return *_fat_fs_ptr; }
+#else
+   inline int     fatfs () { return 0; }
+#endif
+
    // Clock
    inline const uint64_t &
                   clock () { return _clock.ms (); }
@@ -156,6 +163,7 @@ class BoardSeed2DfmEvalEuro
 private:
 
    inline void    init_qspi ();
+   inline void    init_sdmmc ();
    inline void    init_audio ();
    inline void    init_display ();
 
@@ -172,6 +180,7 @@ class BoardSeed2DfmEvalEuro
 
    daisy::QSPIHandle
                   _qspi;
+   FATFS *        _fat_fs_ptr = nullptr;
    daisy::AudioHandle
                   _audio;
    daisy::AdcHandle

boards/seed2_dfm_eval_euro/firmware/BoardSeed2DfmEvalEuro.hpp

@@ -50,6 +50,7 @@ BoardSeed2DfmEvalEuro::BoardSeed2DfmEvalEuro ()
    _this_ptr = this;
 
    init_qspi ();
+   init_sdmmc ();
    init_audio ();
    init_display ();
 }
@@ -288,6 +289,32 @@ void  BoardSeed2DfmEvalEuro::init_qspi ()
 
 
 
+/*
+==============================================================================
+Name : init_sdmmc
+==============================================================================
+*/
+
+void  BoardSeed2DfmEvalEuro::init_sdmmc ()
+{
+   // Since this involves DMA transfers, the structures need to be stored
+   // in AXI SRAM.
+   static __attribute__((section(".text"))) daisy::SdmmcHandler sdmmc;
+   static __attribute__((section(".text"))) daisy::FatFSInterface fsi;
+
+   sdmmc.Init (daisy::SdmmcHandler::Config {
+      .speed = daisy::SdmmcHandler::Speed::FAST,
+      .width = daisy::SdmmcHandler::BusWidth::BITS_4,
+      .clock_powersave = false
+   });
+
+   fsi.Init (daisy::FatFSInterface::Config::MEDIA_SD);
+
+   _fat_fs_ptr = &fsi.GetSDFileSystem ();
+}
+
+
+
 /*
 ==============================================================================
 Name : init_audio

boards/seed2_dfm_eval_euro/layout.erbui

@@ -72,6 +72,13 @@ module seed2_dfm_eval_euro {
       pin OLED1
    }
 
+   //--- Micro SD ------------------------------------------------------------
+
+   control sdmmc SdMmc {
+      position 210.2mm, 96.0mm
+      pin SDMMC1
+   }
+
    //--- Gates ---------------------------------------------------------------
 
    control gate_in GateIn {

boards/seed2_dfm_eval_euro/simulator/BoardSeed2DfmEvalEuro.h

@@ -15,6 +15,11 @@
 
 #include "erb/vcvrack/BoardGeneric.h"
 
+#if defined (erb_USE_FATFS) && erb_USE_FATFS
+   #include "ff.h"
+   #include "ff_gen_drv.h"
+#endif
+
 
 
 namespace erb
@@ -29,11 +34,8 @@ class BoardSeed2DfmEvalEuro
 /*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
 
 public:
-   inline         BoardSeed2DfmEvalEuro () : BoardGeneric (
-      7, 7, 4, // digital/analog/audio inputs
-      0, 2, 4  // digital/analog/audio outputs
-   ) {}
-   virtual        ~BoardSeed2DfmEvalEuro () override = default;
+   inline         BoardSeed2DfmEvalEuro ();
+   inline virtual ~BoardSeed2DfmEvalEuro () override;
 
    // Digital Inputs
    inline const uint8_t &
@@ -62,6 +64,17 @@ class BoardSeed2DfmEvalEuro
    inline typename erb::FormatSsd130x <128, 64>::Storage &
                   oled () { return _oled; }
 
+   // SdMmc
+#if defined (erb_USE_FATFS) && erb_USE_FATFS
+   inline FATFS & fatfs () { return _ff; }
+   inline bool    set_sd (const char * path_0);
+   inline void    reset_sd ();
+
+#else
+   inline int     fatfs () { return 0; }
+
+#endif
+
 
 
 /*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
@@ -74,9 +87,49 @@ class BoardSeed2DfmEvalEuro
 
 private:
 
+#if defined (erb_USE_FATFS) && erb_USE_FATFS
+   static inline DSTATUS
+                  ff_init (BYTE pdrv);
+   static inline DSTATUS
+                  ff_status (BYTE pdrv);
+   static inline DRESULT
+                  ff_read (BYTE pdrv, BYTE * buf, DWORD sector, UINT count);
+#if _USE_WRITE == 1
+   static inline DRESULT
+                  ff_write (BYTE pdrv, const BYTE * buf, DWORD sector, UINT count);
+#endif
+#if _USE_IOCTL == 1
+   static inline DRESULT
+                  ff_ioctl (BYTE pdrv, BYTE cmd, void * buf);
+#endif
+#endif
+
    erb::FormatSsd130x <128, 64>::Storage
                   _oled;
 
+#if defined (erb_USE_FATFS) && erb_USE_FATFS
+   FATFS          _ff;
+   char           _ff_path [4];
+   inline static std::FILE *
+                  _ff_file_ptr = nullptr;
+   inline static std::size_t
+                  _ff_sector_cnt = 0;
+   static constexpr std::size_t
+                  _ff_sector_size = 512;
+
+   const Diskio_drvTypeDef
+                  _ff_driver = {
+                     ff_init,
+                     ff_status,
+                     ff_read,
+#if _USE_WRITE == 1
+                     ff_write,
+#endif
+#if _USE_IOCTL == 1
+                     ff_ioctl,
+#endif
+                  };
+#endif
 
 
 /*\\\ FORBIDDEN MEMBER FUNCTIONS \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
@@ -101,4 +154,8 @@ class BoardSeed2DfmEvalEuro
 
 
 
+#include "BoardSeed2DfmEvalEuro.hpp"
+
+
+
 /*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/