Diff: src/FT_GPU_Hal.cpp

Revision:

11:435747a1f2ae

Parent:

10:4c10e6aeb239

diff -r 4c10e6aeb239 -r 435747a1f2ae src/FT_GPU_Hal.cpp
--- a/src/FT_GPU_Hal.cpp	Sat Sep 16 18:34:14 2017 +0000
+++ b/src/FT_GPU_Hal.cpp	Sat Sep 16 23:40:11 2017 +0000
@@ -37,34 +37,14 @@
     ft_uint8_t chipid;
     /* Do a power cycle for safer side */
     Powercycle( FT_TRUE);
-    /*
-    7/8/16: Curt added the sleep delay below...
-    */
-//  Sleep(30);
-    
-    /* Set the clk to external clock */
-    HostCommand( FT_GPU_EXTERNAL_OSC);
-    Sleep(10);
-    
-    /* Access address 0 to wake up the FT800 */
+    HostCommand(FT_GPU_EXTERNAL_OSC);
     HostCommand( FT_GPU_ACTIVE_M);
-    Sleep(500);
 
-    /* Switch PLL output to 48MHz */
-//  HostCommand( FT_GPU_PLL_48M);
-    Sleep(10);
-
-    /* Do a core reset for safer side */
-    HostCommand( FT_GPU_CORE_RESET);
-    Sleep(500);
-    //Read Register ID to check if FT800 is ready.
-    chipid = Rd8(  REG_ID);
+    //Read Register ID to check if FT811 is ready.
+    chipid = Rd8(REG_ID);
     while(chipid != 0x7C)
     
-    // Speed up
-    _spi.frequency(30000000);           // 30 Mhz SPI clock DC
-//    _spi.frequency(20000000);           // 20 Mhz SPI clock DC
-//  _spi.frequency(12000000);           // 12 Mhz SPI clock
+
     /* Configuration of LCD display */
     DispHCycle = my_DispHCycle;
     Wr16(  REG_HCYCLE, DispHCycle);
@@ -94,6 +74,11 @@
     DispPCLK = my_DispPCLK;
     Wr8(  REG_PCLK, DispPCLK);//after this display is visible on the LCD
     
+    // Speed up
+    _spi.frequency(30000000);           // 30 Mhz SPI clock DC
+//    _spi.frequency(20000000);           // 20 Mhz SPI clock DC
+//  _spi.frequency(12000000);           // 12 Mhz SPI clock
+    
     ft_uint8_t temp = Rd8(REG_PCLK);
     if (temp!=DispPCLK){DigitalOut led(LED1); led=1;}
     Serial pc(SERIAL_TX, SERIAL_RX);
@@ -102,13 +87,12 @@
 
     Wr16(  REG_PWM_HZ, 10000);
     pc.printf("ID:%08X\n", Rd16(REG_PWM_HZ));
-//#ifdef Inv_Backlite               // turn on backlite
-    //Wr16(  REG_PWM_DUTY, 0);
-//#else
+
     Wr16(  REG_PWM_DUTY, 127);
-//#endif
-    Wr8(  REG_GPIO_DIR,0x82);  //| Rd8( REG_GPIO_DIR));
-    Wr8(  REG_GPIO,0x080);     //| Rd8( REG_GPIO));
+    //Wr8(  REG_GPIO_DIR,0x82);  //| Rd8( REG_GPIO_DIR));
+    //Wr8(  REG_GPIO,0x080);     //| Rd8( REG_GPIO));
+    Wr8(  REG_GPIO_DIR,0x82| Rd8( REG_GPIO_DIR));
+    Wr8(  REG_GPIO,0x80| Rd8( REG_GPIO));
 
     Wr32(  RAM_DL, CLEAR(1,1,1));
     Wr32(  RAM_DL+4, DISPLAY());
@@ -118,8 +102,6 @@
 
     /* Touch configuration - configure the resistance value to 1200 - this value is specific to customer requirement and derived by experiment */
     Wr16(  REG_TOUCH_RZTHRESH,1200);
-//    Wr16(  REG_TOUCH_RZTHRESH,0xFFFF);
-
 }