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269 lines
6.9 KiB
C
269 lines
6.9 KiB
C
4 weeks ago
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/*
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* FRAMInterface.h
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*
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* Author: Aleksey Gerasimenko
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* gerasimenko.aleksey.n@gmail.com
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*/
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#include <stdint.h>
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#include "F28335/DSP28x_Project.h"
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#include "DSP28335/GPIO.h"
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#include "RUDRIVEFRAMEWORK/DataType.h"
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#include "RUDRIVEFRAMEWORK/SystemDefinitions.h"
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#ifndef PERIPHERY_FRAM_H_
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#define PERIPHERY_FRAM_H_
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#ifndef SPIA_GPIO_SETUP_DEFAULT_DEFINES
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#define SPIA_GPIO_SETUP_DEFAULT (&DSP28335::GPIO::gpio_spia_setup)
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#define SPIA_GPIO_SETUP_DEFAULT_DEFINES
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#endif
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#ifndef SPIA_GPIO_WRITE_PROTECT_SET_DEFINES
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#define SPIA_GPIO_WRITE_PROTECT_SET (&DSP28335::GPIO::gpio_spia_write_protect_set)
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#define SPIA_GPIO_WRITE_PROTECT_SET_DEFINES
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#endif
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//
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#ifndef SPIA_GPIO_WRITE_PROTECT_CLEAR_DEFINES
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#define SPIA_GPIO_WRITE_PROTECT_CLEAR (&DSP28335::GPIO::gpio_spia_write_protect_clear)
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#define SPIA_GPIO_WRITE_PROTECT_CLEAR_DEFINES
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#endif
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//
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#ifndef FRAM_OPCODE_WREN_DEFINES
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#define FRAM_OPCODE_WREN (uint16_t)0x0600
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#define FRAM_OPCODE_WREN_DEFINES
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#endif
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//
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#ifndef FRAM_OPCODE_WRDI_DEFINES
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#define FRAM_OPCODE_WRDI (uint16_t)0x0400
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#define FRAM_OPCODE_WRDI_DEFINES
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#endif
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//
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#ifndef FRAM_OPCODE_RDSR_DEFINES
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#define FRAM_OPCODE_RDSR (uint16_t)0x0500
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#define FRAM_OPCODE_RDSR_DEFINES
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#endif
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//
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#ifndef FRAM_OPCODE_WRSR_DEFINES
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#define FRAM_OPCODE_WRSR (uint16_t)0x0100
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#define FRAM_OPCODE_WRSR_DEFINES
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#endif
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//
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#ifndef FRAM_OPCODE_READ_DEFINES
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#define FRAM_OPCODE_READ (uint16_t)0x0300
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#define FRAM_OPCODE_READ_DEFINES
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#endif
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//
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#ifndef FRAM_OPCODE_WRITE_DEFINES
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#define FRAM_OPCODE_WRITE (uint16_t)0x0200
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#define FRAM_OPCODE_WRITE_DEFINES
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#endif
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//
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#ifndef FRAM_OPCODE_DUMMY_DEFINES
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#define FRAM_OPCODE_DUMMY (uint16_t)0x5500
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#define FRAM_OPCODE_DUMMY_DEFINES
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#endif
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//
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#ifndef FRAM_OPCODE_ERASE_DEFINES
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#define FRAM_OPCODE_ERASE (uint16_t)0xFF00
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#define FRAM_OPCODE_ERASE_DEFINES
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#endif
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//
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namespace PERIPHERY
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{
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struct FRAMSetup
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{
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pGPIO_FUNCTION gpio_setup;
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pGPIO_FUNCTION write_protect_set;
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pGPIO_FUNCTION write_protect_clear;
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FRAMSetup():
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gpio_setup(SPIA_GPIO_SETUP_DEFAULT),
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write_protect_set(SPIA_GPIO_WRITE_PROTECT_SET),
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write_protect_clear(SPIA_GPIO_WRITE_PROTECT_CLEAR)
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{}
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};//
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struct FRAMDATAWordField
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{
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uint16_t low :8;
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uint16_t high :8;
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};//
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union FRAMDATAWord
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{
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uint16_t all;
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FRAMDATAWordField byte;
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};//
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struct FRAMDATALongWord
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{
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FRAMDATAWord wL;
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FRAMDATAWord wH;
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};//
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union FRAMDataVariant
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{
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int16_t i16;
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uint16_t u16;
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int32_t i32;
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uint32_t u32;
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float f;
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bool b;
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FRAMDATALongWord lw;
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FRAMDataVariant():
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u32((uint32_t)0)
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{}
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};//
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class FRAMInterface
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{
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public:
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enum mode_t {WAIT, READ, WRITE, ERASE, VERIFY, READY, RESTORE};
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protected:
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mode_t m_mode;
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private:
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//Uint16 m_fifo_tx_status;
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//Uint16 m_fifo_rx_status;
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private:
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Uint16 m_fifo_tx[16];
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Uint16 m_fifo_rx[16];
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private:
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uint16_t *m_buffer_pointer;
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uint16_t m_buffer_size;
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uint16_t m_buffer_index;
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uint16_t m_fram_start_addr;
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uint16_t m_fram_addr;
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uint16_t m_data_fram;
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uint16_t m_data_buffer;
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FRAMDataVariant m_data_variant;
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bool m_verify_status;
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bool *m_p_verify_status;
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uint16_t m_delay;
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void *m_destination;
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public:
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FRAMInterface();
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void setup();
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public:
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FRAMInterface::mode_t get_mode();
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bool compare_mode(FRAMInterface::mode_t mode);
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public:
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void break_fram();
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void write_buffer (uint16_t addr, uint16_t *buffer_pointer, uint16_t buffer_size);
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void read_buffer (uint16_t addr, uint16_t *buffer_pointer, uint16_t buffer_size);
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void erase_buffer (uint16_t addr, uint16_t *buffer_pointer, uint16_t buffer_size);
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void verify_buffer(uint16_t addr, uint16_t *buffer_pointer, uint16_t buffer_size, bool *verify_status);
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public:
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void write_slow_buffer (uint16_t addr, uint16_t *buffer_pointer, uint16_t buffer_size);
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void read_slow_buffer (uint16_t addr, uint16_t *buffer_pointer, uint16_t buffer_size);
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void erase_slow_buffer (uint16_t addr, uint16_t *buffer_pointer, uint16_t buffer_size);
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public:
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void write_int16 (uint16_t addr, int16_t data);
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void write_uint16(uint16_t addr, uint16_t data);
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void write_int32 (uint16_t addr, int32_t data);
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void write_uint32(uint16_t addr, uint32_t data);
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void write_float (uint16_t addr, float data);
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void write_bool (uint16_t addr, bool data);
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public:
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void read_int16 (uint16_t addr, int16_t *destination);
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void read_uint16(uint16_t addr, uint16_t *destination);
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void read_int32 (uint16_t addr, int32_t *destination);
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void read_uint32(uint16_t addr, uint32_t *destination);
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void read_float (uint16_t addr, float *destination);
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void read_bool (uint16_t addr, bool *destination);
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private:
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void (*_gpio_setup)();
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public:
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void set_wp();
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void clear_wp();
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private:
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void (*_set_wp)();
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void (*_clear_wp)();
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public:
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void execute();
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private:
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void (FRAMInterface::*_execute)();
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void _execute_free();
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void _execute_ready();
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void _execute_read_buffer_get_data();
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void _execute_read_status_register();
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void _write_buffer();
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void _read_buffer_send_opcode();
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void _erase_buffer();
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void _verify_buffer_send_opcode();
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void _execute_verify_buffer_data();
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inline void _break_fram();
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private:
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void _execute_ready_wren_write_buffer();
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void _execute_ready_wren_erase_buffer();
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void _execute_ready_write_buffer();
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void _execute_ready_erase_buffer();
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private:
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void _execute_ready_wren_write_int16();
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void _execute_ready_wren_write_uint16();
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void _execute_ready_wren_write_int32();
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void _execute_ready_wren_write_uint32();
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void _execute_ready_wren_write_float();
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void _execute_ready_wren_write_bool();
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private:
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void _execute_ready_write_int16();
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void _execute_ready_write_uint16();
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void _execute_ready_write_int32();
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void _execute_ready_write_uint32();
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void _execute_ready_write_float();
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void _execute_ready_write_bool();
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private:
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void _execute_ready_read_buffer();
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void _execute_ready_read_int16();
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void _execute_ready_read_uint16();
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void _execute_ready_read_int32();
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void _execute_ready_read_uint32();
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void _execute_ready_read_float();
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void _execute_ready_read_bool();
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private:
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void _execute_write_register();
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void _execute_write_16();
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void _execute_ready_opcode_wren();
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void _execute_ready_opcode_wrsr();
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private:
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inline void _prepare_execute(uint16_t addr, uint16_t *buffer_pointer, uint16_t buffer_size);
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//
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inline void _spi_opcode_wren();
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inline void _spi_opcode_wrsr();
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//
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inline void _spi_write_16();
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inline void _spi_erase_16();
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inline void _spi_read_16();
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//
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inline void _spi_write_32();
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inline void _spi_erase_32();
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inline void _spi_read_32();
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//
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inline void _spi_get_read_data_16();
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inline void _spi_get_read_data_32();
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inline void _spi_get_status_register();
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inline uint16_t _spi_get_fifo_tx_status();
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//
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};//
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} /* namespace PERIPHERY */
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#endif /* PERIPHERY_FRAM_H_ */
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