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/******************************************************************************************************************************************
* �ļ�����: SWM320_lcd.c
* ����˵��: SWM320��Ƭ����LCD����������
* ����֧��: http://www.synwit.com.cn/e/tool/gbook/?bid=1
* ע������:
* �汾����: V1.1.0 2017��10��25��
* ������¼:
*
*
*******************************************************************************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION
* REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE
* FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN-
* -ECTION WITH THEIR PRODUCTS.
*
* COPYRIGHT 2012 Synwit Technology
*******************************************************************************************************************************************/
#include "SWM320.h"
#include "SWM320_lcd.h"
#include <string.h>
/******************************************************************************************************************************************
* ��������: LCD_Init()
* ����˵��: LCD��ʼ��
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* LCD_InitStructure * initStruct ����LCD����趨ֵ�Ľṹ��
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_Init(LCD_TypeDef *LCDx, LCD_InitStructure *initStruct)
{
switch ((uint32_t)LCDx)
{
case ((uint32_t)LCD):
SYS->CLKEN |= (0x01 << SYS_CLKEN_LCD_Pos);
break;
}
if (initStruct->Interface == LCD_INTERFACE_RGB)
{
LCDx->START = (0 << LCD_START_MPUEN_Pos);
if (initStruct->Dir == LCD_DIR_LANDSCAPE)
{
LCDx->CR0 = ((initStruct->HnPixel - 1) << LCD_CR0_HPIX_Pos) |
((initStruct->VnPixel - 1) << LCD_CR0_VPIX_Pos) |
(initStruct->ClkAlways << LCD_CR0_DCLK_Pos) |
(initStruct->HsyncWidth << LCD_CR0_HLOW_Pos);
LCDx->CR1 = (initStruct->Dir << LCD_CR1_DIRV_Pos) |
((initStruct->Hfp - 1) << LCD_CR1_HFP_Pos) |
((initStruct->Hbp - 1) << LCD_CR1_HBP_Pos) |
((initStruct->Vfp - 1) << LCD_CR1_VFP_Pos) |
((initStruct->Vbp - 1) << LCD_CR1_VBP_Pos) |
(initStruct->ClkDiv << LCD_CR1_DCLKDIV_Pos) |
(initStruct->SamplEdge << LCD_CR1_DCLKINV_Pos);
}
else
{
LCDx->CR0 = ((initStruct->HnPixel - 1) << LCD_CR0_VPIX_Pos) |
((initStruct->VnPixel - 1) << LCD_CR0_HPIX_Pos) |
(initStruct->ClkAlways << LCD_CR0_DCLK_Pos) |
(initStruct->HsyncWidth << LCD_CR0_HLOW_Pos);
LCDx->CR1 = (initStruct->Dir << LCD_CR1_DIRV_Pos) |
((initStruct->Hfp - 1) << LCD_CR1_VFP_Pos) |
((initStruct->Hbp - 1) << LCD_CR1_VBP_Pos) |
((initStruct->Vfp - 1) << LCD_CR1_HFP_Pos) |
((initStruct->Vbp - 1) << LCD_CR1_HBP_Pos) |
(initStruct->ClkDiv << LCD_CR1_DCLKDIV_Pos) |
(initStruct->SamplEdge << LCD_CR1_DCLKINV_Pos);
}
}
else if (initStruct->Interface == LCD_INTERFACE_I80)
{
LCDx->START = (1 << LCD_START_MPUEN_Pos);
LCDx->CR1 = (1 << LCD_CR1_I80_Pos) |
(initStruct->T_CSf_WRf << LCD_CR1_TAS_Pos) |
(initStruct->T_WRnHold << LCD_CR1_TPWLW_Pos) |
(initStruct->T_WRr_CSr << LCD_CR1_TAH_Pos) |
(initStruct->T_CSr_CSf << LCD_CR1_TTAIL_Pos);
}
LCDx->IE = 1;
LCDx->IF = 1; //�����־
if (initStruct->IntEOTEn) LCD_INTEn(LCDx);
else LCD_INTDis(LCDx);
switch ((uint32_t)LCDx)
{
case ((uint32_t)LCD):
if (initStruct->IntEOTEn)
{
NVIC_EnableIRQ(LCD_IRQn);
}
else
{
NVIC_DisableIRQ(LCD_IRQn);
}
break;
}
}
/******************************************************************************************************************************************
* ��������: LCD_Start()
* ����˵��: ����һ�����ݴ���
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_Start(LCD_TypeDef *LCDx)
{
LCDx->START |= (1 << LCD_START_GO_Pos);
}
/******************************************************************************************************************************************
* ��������: LCD_IsBusy()
* ����˵��: �Ƿ����ڽ������ݴ���
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* �� ��: uint32_t 1 ���ڴ������� 0 ���ݴ��������
* ע������: ��
******************************************************************************************************************************************/
uint32_t LCD_IsBusy(LCD_TypeDef *LCDx)
{
return (LCDx->START & LCD_START_GO_Msk) ? 1 : 0;
}
/******************************************************************************************************************************************
* ��������: LCD_I80_WriteReg()
* ����˵��: MPU�ӿ�ʱ��д�Ĵ���
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* uint16_t reg Ҫд�ļĴ�����ʵ��ַ����ַ����
* uint16_t val[] �Ĵ���ֵ�������ַ�����Զ���
* uint16_t cnt Ҫд�ļĴ�������
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_I80_WriteReg(LCD_TypeDef *LCDx, uint16_t reg, uint16_t val[], uint16_t cnt)
{
LCD->SRCADDR = (uint32_t)val;
LCD->CR0 &= ~LCD_CR0_DLEN_Msk;
LCD->CR0 |= ((cnt - 1) << LCD_CR0_DLEN_Pos);
LCD->CR1 |= (1 << LCD_CR1_CMD_Pos);
LCD->CR1 &= ~LCD_CR1_REG_Msk;
LCD->CR1 |= (reg << LCD_CR1_REG_Pos);
LCD_Start(LCDx);
while (LCD_IsBusy(LCDx));
}
/******************************************************************************************************************************************
* ��������: LCD_I80_WriteOneReg()
* ����˵��: MPU�ӿ�ʱ��д�Ĵ���
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* uint16_t reg Ҫд�ļĴ�����ʵ��ַ
* uint16_t val �Ĵ���ֵ
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_I80_WriteOneReg(LCD_TypeDef *LCDx, uint16_t reg, uint16_t val)
{
uint16_t buf[1] __attribute__((aligned(4)));
buf[0] = val;
LCD_I80_WriteReg(LCDx, reg, buf, 1);
}
/******************************************************************************************************************************************
* ��������: LCD_I80_WriteData()
* ����˵��: MPU�ӿ�ʱ��д����
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* uint16_t val[] Ҫд�����ݣ������ַ�����Զ���
* uint16_t cnt Ҫд�����ݸ���
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_I80_WriteData(LCD_TypeDef *LCDx, uint16_t val[], uint16_t cnt)
{
LCD->SRCADDR = (uint32_t)val;
LCD->CR0 &= ~LCD_CR0_DLEN_Msk;
LCD->CR0 |= ((cnt - 1) << LCD_CR0_DLEN_Pos);
LCD->CR1 &= ~(1 << LCD_CR1_CMD_Pos);
LCD_Start(LCDx);
while (LCD_IsBusy(LCDx));
}
/******************************************************************************************************************************************
* ��������: LCD_I80_WriteOneData()
* ����˵��: MPU�ӿ�ʱ��д����
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* uint16_t val Ҫд������
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_I80_WriteOneData(LCD_TypeDef *LCDx, uint16_t val)
{
uint16_t buf[1] __attribute__((aligned(4)));
buf[0] = val;
LCD_I80_WriteData(LCDx, buf, 2);
}
/******************************************************************************************************************************************
* ��������: LCD_INTEn()
* ����˵��: LCD�ж�ʹ�ܣ����ָ�����ȵ����ݴ���ʱ�����ж�
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_INTEn(LCD_TypeDef *LCDx)
{
LCDx->IM = 0;
}
/******************************************************************************************************************************************
* ��������: LCD_INTDis()
* ����˵��: LCD�жϽ�ֹ�����ָ�����ȵ����ݴ���ʱ�������ж�
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_INTDis(LCD_TypeDef *LCDx)
{
LCDx->IM = 1;
}
/******************************************************************************************************************************************
* ��������: LCD_INTClr()
* ����˵��: LCD�жϱ�־���
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* �� ��: ��
* ע������: ��
******************************************************************************************************************************************/
void LCD_INTClr(LCD_TypeDef *LCDx)
{
LCDx->IF = 1;
}
/******************************************************************************************************************************************
* ��������: LCD_INTStat()
* ����˵��: LCD�ж�״̬��ѯ
* �� ��: LCD_TypeDef * LCDx ָ��Ҫ�����õ�LCD����Чֵ����LCD
* �� ��: uint32_t 1 ���ָ�����ȵ����ݴ��� 0 δ���ָ�����ȵ����ݴ���
* ע������: ��
******************************************************************************************************************************************/
uint32_t LCD_INTStat(LCD_TypeDef *LCDx)
{
return (LCDx->IF & 0x01) ? 1 : 0;
}
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