kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
53 wiersze
1.1 KiB
C++
53 wiersze
1.1 KiB
C++
/*
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PSRAM driver for IPS6404
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*/
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#ifndef _PSRAM_T_H_
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#define _PSRAM_T_H_
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#ifdef __cplusplus
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#include <Arduino.h>
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#include "platform_config.h"
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#ifdef HAS_PSRAM
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#define PAGE_SIZE 16 //32 //2048 //1024
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#define MAX_PAGES 8
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#else
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#define PAGE_SIZE 256
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#define MAX_PAGES 8
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#endif
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struct Page {
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uint8_t page[PAGE_SIZE];
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uint32_t pageid;
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int8_t next;
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int8_t prev;
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};
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class PSRAM_T
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{
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public:
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PSRAM_T(uint8_t _CS, uint8_t _MOSI=11, uint8_t _SCLK=13, uint8_t _MISO=12);
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void begin(void);
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void pswrite(uint32_t addr, uint8_t val);
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uint8_t psread(uint32_t addr);
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uint16_t psread_w(uint32_t addr);
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private:
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static uint8_t psram_read(uint32_t addr);
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static void psram_read_n(uint32_t addr, uint8_t * val, int n);
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static void psram_write(uint32_t addr, uint8_t val);
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static void psram_write_n(uint32_t addr, uint8_t * val, int n);
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protected:
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static uint8_t _cs, _miso, _mosi, _sclk;
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static Page pages[MAX_PAGES];
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static uint8_t nbPages;
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static int8_t top;
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static int8_t last;
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};
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#endif
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#endif
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