完善触摸和SPI_FLASH驱动

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@448 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/stm32_radio/lcd.c

@@ -313,7 +313,7 @@ void rt_hw_lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
     ili9325_SetCursor(x,y);
 
     ili9325_WriteRAM_Prepare();
-    ili9325_WriteRAM(p);
+    ili9325_RAM = p ;
 }
 
 /* »ñÈ¡ÏñËصãÑÕÉ« */
@@ -339,7 +339,7 @@ void rt_hw_lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_
     ili9325_WriteRAM_Prepare(); /* Prepare to write GRAM */
     while (x1 < x2)
     {
-        ili9325_WriteRAM(p);
+        ili9325_RAM = p ;
         x1++;
     }
 }
@@ -359,7 +359,7 @@ void rt_hw_lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t
     ili9325_WriteRAM_Prepare(); /* Prepare to write GRAM */
     while (y1 < y2)
     {
-        ili9325_WriteRAM(p);
+        ili9325_RAM = p ;
         y1++;
     }
 }
@@ -379,7 +379,7 @@ void rt_hw_lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt
     ili9325_WriteRAM_Prepare(); /* Prepare to write GRAM */
     while (x1 < x2)
     {
-        ili9325_WriteRAM( *ptr );
+        ili9325_RAM = *ptr ;
         x1 ++;
         ptr ++;
     }
@@ -414,7 +414,7 @@ rt_err_t rt_hw_lcd_init(void)
         ili9325_WriteRAM_Prepare();
         for(test_y=0; test_y<76800; test_y++)
         {
-            ili9325_WriteRAM(temp++);
+            ili9325_RAM = temp++ ;
         }
 
         /* read */

bsp/stm32_radio/spi_flash.c

@@ -31,7 +31,19 @@ static void GPIO_Configuration(void)
 
 static unsigned char SPI_HostReadByte(void)
 {
-    return SPI_WriteByte(0x00);
+    //return SPI_WriteByte(0x00);
+    //Wait until the transmit buffer is empty
+    //while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET);
+    while( (SPI1->SR & SPI_I2S_FLAG_TXE) == RESET);
+    // Send the byte
+    SPI_I2S_SendData(SPI1, 0);
+
+    //Wait until a data is received
+    //while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET);
+    while( (SPI1->SR & SPI_I2S_FLAG_RXNE) == RESET);
+    // Get the received data
+    return SPI_I2S_ReceiveData(SPI1);
+
 }
 
 static void SPI_HostWriteByte(unsigned char wByte)

bsp/stm32_radio/touch.c

@@ -1,15 +1,8 @@
 #include "stm32f10x.h"
 #include "rtthread.h"
+#include "board.h"
 
-static void Delay_Nus(unsigned int dt)
+#if (LCD_VERSION == 2)
-{
-    volatile unsigned int a;
-    while (--dt)
-    {
-        for (a=0; a<5000; a++);
-    }
-}
-
 /*
 MISO PA6
 MOSI PA7
@@ -24,8 +17,8 @@ CS   PC4
 7  6 - 4  3      2     1-0
 s  A2-A0 MODE SER/DFR PD1-PD0
 */
-#define TOUCH_MSR_X  0x90   //读X轴坐标指令 addr:1
+#define TOUCH_MSR_Y  0x90   //读X轴坐标指令 addr:1
-#define TOUCH_MSR_Y  0xD0   //读Y轴坐标指令 addr:3
+#define TOUCH_MSR_X  0xD0   //读Y轴坐标指令 addr:3
 
 
 extern unsigned char SPI_WriteByte(unsigned char data);
@@ -36,15 +29,6 @@ static void WriteDataTo7843(unsigned char num)
     SPI_WriteByte(num);
 }
 
-//SPI 读数据
-static unsigned int ReadDataFrom7843(void)
-{
-    unsigned int temp;
-    temp = SPI_WriteByte(0x00)<<4;
-    temp |= ( (SPI_WriteByte(0x00)>>4)&0x0F );
-    return temp;
-}
-
 //´¥Ãþ´¦Àí
 void Go_Touch(void)
 {
@@ -52,12 +36,11 @@ void Go_Touch(void)
     unsigned int Y;
 
     CS_0();
-    WriteDataTo7843(TOUCH_MSR_X);     //送控制字 10010000 即用差分方式读X坐标 详细请见有关资料
+    WriteDataTo7843(TOUCH_MSR_X | 1);                /* 发送读X坐标命令并关闭中断 */
-    Delay_Nus(100);
+    X = SPI_WriteByte(0x00)<<4;                      /* 读取第一字节MSB */
-    Y = ReadDataFrom7843();           //读X轴坐标
+    X |= ((SPI_WriteByte(TOUCH_MSR_Y | 1)>>4)&0x0F );/* 读取第二字节 同时发送读Y轴坐标命令行*/
-    WriteDataTo7843(TOUCH_MSR_Y);     //送控制字 11010000 即用差分方式读Y坐标 详细请见有关资料
+    Y = SPI_WriteByte(0x00)<<4;                      /* 读取第一字节MSB */
-    Delay_Nus(50);
+    Y |= ((SPI_WriteByte(1<<7)>>4)&0x0F );           /* 读取第二字节并重新打开中断 */
-    X = ReadDataFrom7843();           //读Y轴坐标
     CS_1();
 
     rt_kprintf("\r\nX: %04d Y: %04d",X,Y);
@@ -80,6 +63,15 @@ static void exti_int_config(void)
     EXTI_InitTypeDef EXTI_InitStructure;
 
     /* PB1 touch INT */
+    {
+        GPIO_InitTypeDef GPIO_InitStructure;
+        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
+        GPIO_Init(GPIOB,&GPIO_InitStructure);
+    }
 
     GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource1);
 
@@ -96,10 +88,31 @@ static void exti_int_config(void)
 #include <finsh.h>
 void touch_test(void)
 {
+    SPI_InitTypeDef SPI_InitStructure;
+
     rt_kprintf("\r\ntouch testing....\r\n");
 
     RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);
 
+    /* Enable SPI_MASTER */
+    SPI_Cmd(SPI1, DISABLE);
+
+    /*------------------------ SPI1 configuration ------------------------*/
+    SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;//SPI_Direction_1Line_Tx;
+    SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
+    SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
+    SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
+    SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
+    SPI_InitStructure.SPI_NSS  = SPI_NSS_Soft;
+    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64;/* 72M/64=1.125M */
+    SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
+    SPI_InitStructure.SPI_CRCPolynomial = 7;
+
+    SPI_I2S_DeInit(SPI1);
+    SPI_Init(SPI1, &SPI_InitStructure);
+
+    /* Enable SPI_MASTER */
+    SPI_Cmd(SPI1, ENABLE);
 
     NVIC_Configuration();
     exti_int_config();
@@ -109,12 +122,6 @@ void touch_test(void)
         GPIO_InitTypeDef GPIO_InitStructure;
 
         RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC,ENABLE);
-        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
-
-        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
-        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
-        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
-        GPIO_Init(GPIOB,&GPIO_InitStructure);
 
         GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_Out_PP;
         GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
@@ -122,10 +129,8 @@ void touch_test(void)
         GPIO_Init(GPIOC,&GPIO_InitStructure);
         CS_1();
     }
-    Delay_Nus( 500 );
-
     CS_0();
-    WriteDataTo7843(0x00);
+    WriteDataTo7843( 1<<7 ); /* 打开中断 */
     CS_1();
 }
 FINSH_FUNCTION_EXPORT(touch_test, touch_test)
@@ -135,5 +140,4 @@ void EXTI1_IRQHandler(void)
     EXTI_ClearITPendingBit(EXTI_Line1);
     Go_Touch();
 }
-
+#endif
-/******************* (C) COPYRIGHT 2008 STMicroelectronics */