求助原子，ATK-7电容屏读点问题

光圈电子科技-晓航-多多实验室 · 发表于 2014-8-5 22:14:49

显示完全正常，点根本读不对，就算连续读0，0都有好几个错误，如果连续读任意坐标也是有时候对有时候不对，怎么办啊
我用的是STM32F4曾经尝试更改FSMC的速度，没有用。

这是我的读点函数

[mw_shl_code=c,true]u16 LCD_GetPoint(u16 x, u16 y) { u16 t = 0; LCD_SetCursor(20, 15); while (t < 0x1FFF) { if (Read_CPLDLCD_REG() & 0x01) break; t++; } return (Read_CPLDLCD_DATA()); }[/mw_shl_code]

这是我的FSMC配置

[mw_shl_code=c,true]void FSMC_Init(void) //??FSMC????ì??д?ì???? { FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; FSMC_NORSRAMTimingInitTypeDef FSMC_NORSRAMTimingInitStructure; /* Enable FSMC clock */ RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC, ENABLE); /* FSMC Write Timing */ FSMC_NORSRAMTimingInitStructure.FSMC_AddressSetupTime = 0x02; /* Address Setup Time */ FSMC_NORSRAMTimingInitStructure.FSMC_AddressHoldTime = 0; FSMC_NORSRAMTimingInitStructure.FSMC_DataSetupTime = 0x03; /* Data Setup Time */ FSMC_NORSRAMTimingInitStructure.FSMC_BusTurnAroundDuration = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_CLKDivision = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_DataLatency = 0x00; FSMC_NORSRAMTimingInitStructure.FSMC_AccessMode = FSMC_AccessMode_B; /* FSMC Access Mode */ FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &FSMC_NORSRAMTimingInitStructure; FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1; FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_NOR; FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable; FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &FSMC_NORSRAMTimingInitStructure; //FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); /* Enable FSMC Bank1_SRAM Bank */ FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE); }[/mw_shl_code]

求原子帮解决啊，搞了一晚上了