FlashHelper.h File Reference

Eve's connected flash helper functions. More...

#include "FT_Gpu_Hal.h"
#include "Gpu_Hal.h"
#include "EVE_Platform.h"
#include "Gpu_CoCmd.h"

Go to the source code of this file.

Functions
Flash_Cmd_Status_t	FlashHelper_Update (EVE_HalContext *phost, uint32_t dest_flash, uint32_t src_ram, uint32_t num)
Flash_Cmd_Status_t	FlashHelper_Read (EVE_HalContext *phost, uint32_t dest_ram, uint32_t src_flash, uint32_t num, uint8_t *read_data)
ft_void_t	FlashHelper_Erase (EVE_HalContext *phost)
uint8_t	FlashHelper_GetState (EVE_HalContext *phost)
ft_void_t	FlashHelper_ClearCache (EVE_HalContext *phost)
Flash_Cmd_Status_t	FlashHelper_Write (EVE_HalContext *phost, uint32_t dest_flash, uint32_t num, const uint8_t *write_data)
uint32_t	FlashHelper_SwitchState (EVE_HalContext *phost, uint8_t nextState)
uint32_t	FlashHelper_SwitchFullMode (EVE_HalContext *phost)
ft_void_t	FlashHelper_flashWriteExt (EVE_HalContext *phost, uint32_t dest, uint32_t num, const uint8_t *data)
ft_bool_t	Esd_Calibrate (EVE_HalContext *phost)
	Do calibration.
ft_void_t	Ft_QueueCmd (uint32_t cmd)
ft_void_t	Ft_QueueString (const char *s)
ft_void_t	Ft_FlushCmd (EVE_HalContext *phost)
ft_void_t	Ft_Gpu_HorizontalScanoutFilter (EVE_HalContext *phost, uint32_t physical_W, uint32_t physical_H)
	Adjust for non-sqare pixel panel.
ft_void_t	Ft_Gpu_CoCmd_FlashWriteExt (EVE_HalContext *phost, uint32_t dest, uint32_t num, const uint8_t *data)
void	fadeout (EVE_HalContext *phost)
	Fadeout animation.
void	fadein (EVE_HalContext *phost)
	Fadein animation perform display fadein effect by changing the display PWM from 0 till 100 and finally 128.
void	Fifo_Init (Fifo_t *pFifo, uint32_t StartAddress, uint32_t Length, uint32_t HWReadRegAddress, uint32_t HWWriteRegAddress)
	Init mediafifo.
void	Fifo_Update (EVE_HalContext *host, Fifo_t *pFifo)
uint32_t	Fifo_Write (EVE_HalContext *host, Fifo_t *pFifo, const uint8_t *buffer, uint32_t NumbytetoWrite)
void	Fifo_WriteWait (EVE_HalContext *host, Fifo_t *pFifo, const uint8_t *buffer, uint32_t Numbyte)
void	Fifo_Write32 (EVE_HalContext *host, Fifo_t *pFifo, uint32_t WriteWord)
uint32_t	Fifo_GetFreeSpace (EVE_HalContext *host, Fifo_t *pFifo)
void	App_WrDl_Buffer (Gpu_Hal_Context_t *phost, uint32_t cmd)
	Write DL command to buffer.
void	App_Flush_DL_Buffer (const Gpu_Hal_Context_t *phost)
	Flush DL buffer to Coprocessor.
void	App_Set_DlBuffer_Index (uint32_t index)
	Set DL buffer index.
void	GPU_DLSwap (Gpu_Hal_Context_t *phost, uint8_t DL_Swap_Type)
	API to check the status of previous DLSWAP and perform DLSWAP of new DL Check for the status of previous DLSWAP and if still not done wait for few ms and check again.
int32_t	FlashHelper_GetSizeMB (Gpu_Hal_Context_t *host)

Detailed Description

Eve's connected flash helper functions.

Author

Tuan Nguyen tuan..nosp@m.nguy.nosp@m.en@br.nosp@m.tchi.nosp@m.p.com

Date

2019

MIT License

Copyright (c) [2019] [Bridgetek Pte Ltd (BRTChip)]

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Definition in file FlashHelper.h.

Function Documentation

App_Flush_DL_Buffer()

void App_Flush_DL_Buffer

(

const Gpu_Hal_Context_t *

phost

)

Flush DL buffer to Coprocessor.

Parameters

phost

Pointer to Hal context

Definition at line 471 of file FlashHelper.c.

{
#ifdef  BUFFER_OPTIMIZATION
    if (DlBuffer_Index > 0)
        EVE_Hal_wrMem(phost, RAM_DL, DlBuffer, DlBuffer_Index); /* Not legal on big endian CPU */
#endif
    DlBuffer_Index = 0;
}

App_Set_DlBuffer_Index()

void App_Set_DlBuffer_Index

(

uint32_t

index

)

Set DL buffer index.

Parameters

index

Definition at line 485 of file FlashHelper.c.

{
    DlBuffer_Index = index;
}

App_WrDl_Buffer()

void App_WrDl_Buffer	(	Gpu_Hal_Context_t *	phost,
		uint32_t	cmd
	)

Write DL command to buffer.

Parameters

phost	Pointer to Hal context
cmd	DL command

Definition at line 444 of file FlashHelper.c.

{
#ifdef BUFFER_OPTIMIZATION  
    /* Copy the command instruction into buffer */
    uint32_t* pBuffcmd;
    /* Prevent buffer overflow */
    if (DlBuffer_Index < DL_SIZE)
    {
        pBuffcmd = (uint32_t*)&DlBuffer[DlBuffer_Index];
        *pBuffcmd = cmd;
    }
    else
    {
        printf("DlBuffer overflow\n");
    }
#else
    EVE_Hal_wr32(phost, (RAM_DL + DlBuffer_Index), cmd);
#endif
    /* Increment the command index */
    DlBuffer_Index += CMD_SIZE;
}

Esd_Calibrate()

ft_bool_t Esd_Calibrate

(

EVE_HalContext *

phost

)

Do calibration.

Returns

ft_bool_t True on successfull or otherwise

Definition at line 42 of file FlashHelper.c.

{
    ft_uint32_t result;
    ft_uint32_t transMatrix[6];
#if defined(EVE_SUPPORT_CAPACITIVE)
    EVE_Hal_wr8(phost, REG_CTOUCH_EXTENDED, CTOUCH_MODE_COMPATIBILITY);
#else
    EVE_Hal_wr8(phost, REG_TOUCH_ADC_MODE, ADC_DIFFERENTIAL);
#endif
 
    eve_printf_debug("App_CoPro_Widget_Calibrate: Start\n");
 
    EVE_CoCmd_dlStart(phost);
    EVE_Cmd_wr32(phost, CLEAR_COLOR_RGB(64, 64, 64));
    EVE_Cmd_wr32(phost, CLEAR(1, 1, 1));
    EVE_Cmd_wr32(phost, COLOR_RGB(0xff, 0xff, 0xff));
 
    EVE_CoCmd_text(phost, (uint16_t)(phost->Width / 2), (uint16_t)(phost->Height / 2), 27, OPT_CENTER, "Please Tap on the dot");
 
    result = EVE_CoCmd_calibrate(phost);
    EVE_Cmd_waitFlush(phost);
 
    eve_printf_debug("App_CoPro_Widget_Calibrate: End\n");
 
    // Print the configured values
    EVE_Hal_rdMem(phost, (ft_uint8_t*)transMatrix, REG_TOUCH_TRANSFORM_A, 4 * 6); //read all the 6 coefficients
    eve_printf_debug("Touch screen transform values are A 0x%x,B 0x%x,C 0x%x,D 0x%x,E 0x%x, F 0x%x\n",
        transMatrix[0], transMatrix[1], transMatrix[2], transMatrix[3], transMatrix[4], transMatrix[5]);
 
    return result != 0;
}

fadein()

void fadein

(

EVE_HalContext *

phost

)

Fadein animation perform display fadein effect by changing the display PWM from 0 till 100 and finally 128.

Parameters

phost

Pointer to Hal context

Definition at line 542 of file FlashHelper.c.

{
    for (int8_t i = 0; i <= 100; i += 3)
    {
        EVE_Hal_wr8(phost, REG_PWM_DUTY, i);
        EVE_sleep(2);//sleep for 2 ms
    }
    /* Finally make the PWM 100% */
    uint8_t i = 128;
    EVE_Hal_wr8(phost, REG_PWM_DUTY, i);
}

fadeout()

void fadeout

(

EVE_HalContext *

phost

)

Fadeout animation.

Parameters

phost

Pointer to Hal context

Definition at line 527 of file FlashHelper.c.

{
    for (int8_t i = 100; i >= 0; i -= 3)
    {
        EVE_Hal_wr8(phost, REG_PWM_DUTY, i);
        EVE_sleep(2);//sleep for 2 ms
    }
}

Fifo_GetFreeSpace()

uint32_t Fifo_GetFreeSpace	(	EVE_HalContext *	host,
		Fifo_t *	pFifo
	)

Definition at line 1111 of file Gpu_Hal.cpp.

{
    uint32_t FreeSpace = 0;
 
    Fifo_Update(host,pFifo);
 
    if(pFifo->fifo_wp >= pFifo->fifo_rp)
    {
        FreeSpace = pFifo->fifo_len - pFifo->fifo_wp + pFifo->fifo_rp;
    }
    else
    {
        FreeSpace = pFifo->fifo_rp - pFifo->fifo_wp;
    }
 
    if(FreeSpace >= 4)
    {
        FreeSpace -= 4;//make sure 1 word space is maintained between rd and wr pointers
    }
    return FreeSpace;
}

Fifo_Init()

void Fifo_Init	(	Fifo_t *	pFifo,
		uint32_t	StartAddress,
		uint32_t	Length,
		uint32_t	HWReadRegAddress,
		uint32_t	HWWriteRegAddress
	)

Init mediafifo.

Parameters

pFifo	Fifo pointer
StartAddress	Address on RAM_G
Length	Fifo length
HWReadRegAddress	REG_MEDIAFIFO_READ
HWWriteRegAddress	REG_MEDIAFIFO_WRITE

Definition at line 982 of file Gpu_Hal.cpp.

{
    /* update the context parameters */
    pFifo->fifo_buff = StartAddress;
    pFifo->fifo_len = Length;
    pFifo->fifo_rp = pFifo->fifo_wp = 0;
 
    /* update the hardware register addresses - specific to FT800 series chips */
    pFifo->HW_Read_Reg = HWReadRegAddress;
    pFifo->HW_Write_Reg = HWWriteRegAddress;
}

Fifo_Update()

void Fifo_Update	(	EVE_HalContext *	host,
		Fifo_t *	pFifo
	)

Definition at line 1001 of file Gpu_Hal.cpp.

{
    pFifo->fifo_rp = Gpu_Hal_Rd32(host,pFifo->HW_Read_Reg);
    //Gpu_Hal_Wr32(host,pFifo->HW_Write_Reg,pFifo->fifo_wp);
}

Fifo_Write()

uint32_t Fifo_Write	(	EVE_HalContext *	host,
		Fifo_t *	pFifo,
		const uint8_t *	buffer,
		uint32_t	NumbytetoWrite
	)

Fifo_Write32()

void Fifo_Write32	(	EVE_HalContext *	host,
		Fifo_t *	pFifo,
		uint32_t	WriteWord
	)

Definition at line 1069 of file Gpu_Hal.cpp.

{
    Fifo_WriteWait(host,pFifo,(uint8_t *)&WriteWord,4);
}

Fifo_WriteWait()

void Fifo_WriteWait	(	EVE_HalContext *	host,
		Fifo_t *	pFifo,
		const uint8_t *	buffer,
		uint32_t	Numbyte
	)

FlashHelper_ClearCache()

ft_void_t FlashHelper_ClearCache

(

EVE_HalContext *

phost

)

FlashHelper_Erase()

ft_void_t FlashHelper_Erase

(

EVE_HalContext *

phost

)

FlashHelper_flashWriteExt()

ft_void_t FlashHelper_flashWriteExt	(	EVE_HalContext *	phost,
		uint32_t	dest,
		uint32_t	num,
		const uint8_t *	data
	)

FlashHelper_GetSizeMB()

int32_t FlashHelper_GetSizeMB

(

Gpu_Hal_Context_t *

host

)

Definition at line 723 of file FlashHelper.c.

{
    uint8_t status = Gpu_Hal_Rd8(phost, REG_FLASH_STATUS);
 
    if (status == FLASH_STATUS_DETACHED)
    {
        Gpu_CoCmd_FlashAttach(phost);
        App_Flush_Co_Buffer(phost);
        Gpu_Hal_WaitCmdfifo_empty(phost);
        status = Gpu_Hal_Rd8(phost, REG_FLASH_STATUS);
 
        if (FLASH_STATUS_BASIC != status)
        {
            printf("Error, Flash is not able to attach\n");
            return -1;
        }
    }
    int32_t size = Gpu_Hal_Rd32(phost, REG_FLASH_SIZE);
 
    return size;
}

FlashHelper_GetState()

uint8_t FlashHelper_GetState

(

EVE_HalContext *

phost

)

FlashHelper_Read()

Flash_Cmd_Status_t FlashHelper_Read	(	EVE_HalContext *	phost,
		uint32_t	dest_ram,
		uint32_t	src_flash,
		uint32_t	num,
		uint8_t *	read_data
	)

FlashHelper_SwitchFullMode()

uint32_t FlashHelper_SwitchFullMode

(

EVE_HalContext *

phost

)

FlashHelper_SwitchState()

uint32_t FlashHelper_SwitchState	(	EVE_HalContext *	phost,
		uint8_t	nextState
	)

FlashHelper_Update()

Flash_Cmd_Status_t FlashHelper_Update	(	EVE_HalContext *	phost,
		uint32_t	dest_flash,
		uint32_t	src_ram,
		uint32_t	num
	)

FlashHelper_Write()

Flash_Cmd_Status_t FlashHelper_Write	(	EVE_HalContext *	phost,
		uint32_t	dest_flash,
		uint32_t	num,
		const uint8_t *	write_data
	)

Ft_FlushCmd()

ft_void_t Ft_FlushCmd

(

EVE_HalContext *

phost

)

Ft_Gpu_CoCmd_FlashWriteExt()

ft_void_t Ft_Gpu_CoCmd_FlashWriteExt	(	EVE_HalContext *	phost,
		uint32_t	dest,
		uint32_t	num,
		const uint8_t *	data
	)

Ft_Gpu_HorizontalScanoutFilter()

ft_void_t Ft_Gpu_HorizontalScanoutFilter	(	EVE_HalContext *	phost,
		uint32_t	physical_W,
		uint32_t	physical_H
	)

Adjust for non-sqare pixel panel.

Parameters

phost	Pointer to Hal context
physical_W	Panel width in inches
physical_H	Panel height in inches

Returns

ft_void_t

Definition at line 385 of file FlashHelper.c.

                                                                                                          {
    uint32_t eve_W = phost->Width;
    uint32_t eve_H = phost->Height;
    uint32_t logical_W = eve_H * physical_W / physical_H;
 
    // Configure panel
    EVE_Hal_wr32(phost, REG_HSIZE, logical_W);
    EVE_CoCmd_hsf(phost, eve_W);
}

Ft_QueueCmd()

ft_void_t Ft_QueueCmd

(

uint32_t

cmd

)

Ft_QueueString()

ft_void_t Ft_QueueString

(

const char *

s

)

GPU_DLSwap()

void GPU_DLSwap	(	Gpu_Hal_Context_t *	phost,
		uint8_t	DL_Swap_Type
	)

API to check the status of previous DLSWAP and perform DLSWAP of new DL Check for the status of previous DLSWAP and if still not done wait for few ms and check again.

Parameters

phost	Pointer to Hal context
DL_Swap_Type	DL list swap type

Definition at line 497 of file FlashHelper.c.

{
    uint8_t Swap_Type = DLSWAP_FRAME;
    uint8_t Swap_Done = DLSWAP_FRAME;
 
    if (DL_Swap_Type == DLSWAP_LINE)
    {
        Swap_Type = DLSWAP_LINE;
    }
 
    /* Perform a new DL swap */
    EVE_Hal_wr8(phost, REG_DLSWAP, Swap_Type);
 
    /* Wait till the swap is done */
    while (Swap_Done)
    {
        Swap_Done = EVE_Hal_rd8(phost, REG_DLSWAP);
 
        if (DLSWAP_DONE != Swap_Done)
        {
            EVE_sleep(10);//wait for 10ms
        }
    }
}