Diff: TFT_ILI9163C_F411RE_DMA.h

Revision:

7:3dcb98ecf29f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TFT_ILI9163C_F411RE_DMA.h	Sun Feb 01 15:36:04 2015 +0000
@@ -0,0 +1,60 @@
+#include "mbed.h"
+#include "TFT_ILI9163C_BASE.h"
+
+// from http://www.keil.com/forum/21105/bitband-macro-to-get-bit-number-from-bit-mask/
+#define MASK_TO_BITNUM(x)   (x&0x1?0:x&0x2?1:x&0x4?2:x&0x8?3:\
+    x&0x10?4:x&0x20?5:x&0x40?6:x&0x80?7:\
+    x&0x100?8:x&0x200?9:x&0x400?10:x&0x800?11:\
+    x&0x1000?12:x&0x2000?13:x&0x4000?14:x&0x8000?15:\
+    x&0x10000?16:x&0x20000?17:x&0x40000?18:x&0x80000?19:\
+    x&0x100000?20:x&0x200000?21:x&0x400000?22:x&0x800000?23:\
+    x&0x1000000?24:x&0x2000000?25:x&0x4000000?26:x&0x8000000?27:\
+    x&0x10000000?28:x&0x20000000?29:x&0x40000000?30:x&0x80000000?31:32)
+    
+#define BITBAND_PERIPH(addr, bit) \
+    (volatile uint32_t*)(PERIPH_BB_BASE+((uint32_t)addr-PERIPH_BASE)*32+(bit*4))
+
+
+class TFT_ILI9163C : public TFT_ILI9163C_BASE {
+
+ public:
+
+    TFT_ILI9163C(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName dc, PinName reset);
+    TFT_ILI9163C(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName dc);
+    
+ private:
+ 
+    virtual void    init(PinName cs, PinName dc);
+    virtual void    selectSlave();
+    virtual void    deselectSlave();
+    virtual void    setCommandMode();
+    virtual void    setDataMode();
+    virtual void    writecommand(uint8_t c);
+    virtual void    writedata(uint8_t d);
+    virtual void    writedata16(uint16_t d);
+    virtual void    writedata32(uint16_t d1, uint16_t d2);
+    virtual void    writedata16burst(uint16_t d, int32_t len);
+    
+    GPIO_TypeDef *cs_port_reg;
+    volatile uint32_t cs_reg_mask;
+    GPIO_TypeDef *dc_port_reg;
+    volatile uint32_t dc_reg_mask;
+    
+    // peripheral bit-band addresses
+//  volatile uint32_t *bb_cs_port;
+//  volatile uint32_t *bb_dc_port;
+    volatile uint32_t *bb_spi_txe;
+    volatile uint32_t *bb_spi_bsy;
+    volatile uint32_t *bb_spi_spe;
+    volatile uint32_t *bb_spi_dff;
+    
+    DMA_HandleTypeDef hdma;
+    volatile uint32_t *bb_spi_txdmaen;
+    volatile uint32_t *bb_dma_sxcr_en;
+    volatile uint16_t dmaBuff;
+    
+    void    waitSpiFree();
+    void    waitBufferFree();
+    void    set8bitMode();
+    void    set16bitMode();
+};
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