EVE_CoCmd_State.c File Reference

EVE's co-processor command. More...

#include "EVE_Platform.h"

Go to the source code of this file.

Functions
EVE_HAL_EXPORT bool	EVE_CoCmd_bitmapTransform (EVE_HalContext *phost, int32_t x0, int32_t y0, int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t tx0, int32_t ty0, int32_t tx1, int32_t ty1, int32_t tx2, int32_t ty2, uint16_t *result)
	Send CMD_BITMAP_TRANSFORM. Blocking call if a pointer is passed to result

Detailed Description

EVE's co-processor command.

Author

Bridgetek

Date

2018

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 EVE_CoCmd_State.c.

Function Documentation

EVE_CoCmd_bitmapTransform()

EVE_HAL_EXPORT bool EVE_CoCmd_bitmapTransform	(	EVE_HalContext *	phost,
		int32_t	x0,
		int32_t	y0,
		int32_t	x1,
		int32_t	y1,
		int32_t	x2,
		int32_t	y2,
		int32_t	tx0,
		int32_t	ty0,
		int32_t	tx1,
		int32_t	ty1,
		int32_t	tx2,
		int32_t	ty2,
		uint16_t *	result
	)

Send CMD_BITMAP_TRANSFORM. Blocking call if a pointer is passed to result

Parameters

phost	Pointer to Hal context
x0	Point X0 screen coordinate, in pixels
y0	Point Y0 screen coordinate, in pixels
x1	Point X1 screen coordinate, in pixels
y1	Point Y1 screen coordinate, in pixels
x2	Point X2 screen coordinate, in pixels
y2	Point Y2 screen coordinate, in pixels
tx0	Point X0 bitmap coordinate, in pixels
ty0	Point Y0 bitmap coordinate, in pixels
tx1	Point X1 bitmap coordinate, in pixels
ty1	Point Y1 bitmap coordinate, in pixels
tx2	Point X2 bitmap coordinate, in pixels
ty2	Point Y2 bitmap coordinate, in pixels
result	Optional parameter result is set to -1 on success, 0 on failure

Returns

bool Returns false on coprocessor error

Definition at line 34 of file EVE_CoCmd_State.c.

{
    uint16_t resAddr;
 
#if EVE_CMD_HOOKS
    if (phost->CoCmdHook && phost->CoCmdHook(phost, CMD_BITMAP_TRANSFORM, 0))
        return false;
#endif
 
    EVE_Cmd_startFunc(phost);
    EVE_Cmd_wr32(phost, CMD_BITMAP_TRANSFORM);
    EVE_Cmd_wr32(phost, x0);
    EVE_Cmd_wr32(phost, y0);
    EVE_Cmd_wr32(phost, x1);
    EVE_Cmd_wr32(phost, y1);
    EVE_Cmd_wr32(phost, x2);
    EVE_Cmd_wr32(phost, y2);
    EVE_Cmd_wr32(phost, tx0);
    EVE_Cmd_wr32(phost, ty0);
    EVE_Cmd_wr32(phost, tx1);
    EVE_Cmd_wr32(phost, ty1);
    EVE_Cmd_wr32(phost, tx2);
    EVE_Cmd_wr32(phost, ty2);
    resAddr = EVE_Cmd_moveWp(phost, 4);
    EVE_Cmd_endFunc(phost);
 
#if EVE_DL_OPTIMIZE
    EVE_DL_STATE.BitmapTransform = true;
#endif
 
    /* Read result */
    if (result)
    {
        if (!EVE_Cmd_waitFlush(phost))
            return false;
        *result = EVE_Hal_rd16(phost, RAM_CMD + resAddr);
    }
    return true;
}