https://github.com/rusefi/rusefi/issues/6781

helping with RAM? helping with NO_CACHE?

Author: rusefillc

pt2001/project/rusefi/sample_code/PT2001_LoadData.c

@@ -48,7 +48,7 @@
 #include "PT2001_LoadData.h"
 
 // Data to be loaded into the Code RAM 1 memory space
-unsigned short PT2001_code_RAM1[114] =
+unsigned short const PT2001_code_RAM1[114] =
 {
     0x7612, 0x6C57, 0x917F, 0xA514, 0x8DD6, 0xC288, 0x4F9B, 0x1EC9, 0x5C0D, 0xF99D, 
     0x4129, 0x2EEE, 0x97B0, 0x3534, 0x93BA, 0x5D25, 0xEE21, 0x2AAD, 0xE457, 0x2DB8, 
@@ -65,7 +65,7 @@ unsigned short PT2001_code_RAM1[114] =
 };
 
 // Data to be loaded into the Code RAM 2 memory space
-unsigned short PT2001_code_RAM2[43] =
+unsigned short const PT2001_code_RAM2[43] =
 {
     0x761B, 0x6F45, 0x838D, 0x80B4, 0x53F2, 0x0EBC, 0x8F2D, 0xA78E, 0xE8AB, 0xE3DB, 
     0xF477, 0x800F, 0x2336, 0x2F77, 0x267B, 0xBC19, 0x007E, 0x4E55, 0x28AA, 0x52E4, 
@@ -75,7 +75,7 @@ unsigned short PT2001_code_RAM2[43] =
 };
 
 // Data to be loaded into the Data RAM memory space
-unsigned short PT2001_data_RAM[128] =
+unsigned short const PT2001_data_RAM[128] =
 {
     0x00C0, 0x0092, 0x0049, 0x003C, 0x1068, 0x003C, 0x0168, 0xEA60, 0x0960, 0x0258, 
     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 
@@ -93,29 +93,29 @@ unsigned short PT2001_data_RAM[128] =
 };
 
 // Data to be loaded into the Main register memory space
-unsigned short PT2001_main_config[29] =
+unsigned short const PT2001_main_config[29] =
 {
     0x0003, 0x13FE, 0x0000, 0x1E00, 0x0000, 0x0000, 0x0001, 0x0000, 0x001F, 0x0000, 
     0x0000, 0x0000, 0x0000, 0x0000, 0x0001, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 
     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
 };
 
 // Data to be loaded into the CH1 register memory space
-unsigned short PT2001_ch1_config[19] =
+unsigned short const PT2001_ch1_config[19] =
 {
     0x0008, 0x0000, 0x0000, 0x0000, 0x0303, 0x0000, 0x0000, 0x0072, 0x91E7, 0x56D6, 
     0x0000, 0x0039, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
 };
 
 // Data to be loaded into the CH2 register memory space
-unsigned short PT2001_ch2_config[19] =
+unsigned short const PT2001_ch2_config[19] =
 {
     0x0008, 0x0000, 0x0000, 0x0000, 0x0C00, 0x0000, 0x0000, 0x002B, 0x218C, 0xDCB6, 
     0x0000, 0x0014, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
 };
 
 // Data to be loaded into the IO register memory space
-unsigned short PT2001_io_config[53] =
+unsigned short const PT2001_io_config[53] =
 {
     0x0000, 0x0000, 0x0000, 0x0000, 0x0063, 0x018C, 0x0800, 0x0410, 0x0041, 0x0098, 
     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 
@@ -126,7 +126,7 @@ unsigned short PT2001_io_config[53] =
 };
 
 // Data to be loaded into the Diag register memory space
-unsigned short PT2001_diag_config[44] =
+unsigned short const PT2001_diag_config[44] =
 {
     0x0000, 0x0000, 0x001E, 0x0000, 0x0000, 0x001E, 0x0000, 0x0000, 0x001E, 0x0000, 
     0x0000, 0x001E, 0x0000, 0x0000, 0x001E, 0x0000, 0x0000, 0x001E, 0x001E, 0x0000, 

pt2001/project/rusefi/sample_code/PT2001_LoadData.h

@@ -48,13 +48,13 @@
 #ifndef PT2001_DATA_H_
 #define PT2001_DATA_H_
 
-extern unsigned short PT2001_code_RAM1[114];    // CODE RAM CH 1
-extern unsigned short PT2001_code_RAM2[43];    // CODE RAM CH 2
-extern unsigned short PT2001_data_RAM[128];    // DATA RAM
-extern unsigned short PT2001_main_config[29];  // main configurations
-extern unsigned short PT2001_ch1_config[19];   // CH 1 configurations
-extern unsigned short PT2001_ch2_config[19];   // CH 2 configurations
-extern unsigned short PT2001_io_config[53];    // IO configurations
-extern unsigned short PT2001_diag_config[44];  // diag configurations
+extern unsigned short const PT2001_code_RAM1[114];    // CODE RAM CH 1
+extern unsigned short const PT2001_code_RAM2[43];    // CODE RAM CH 2
+extern unsigned short const PT2001_data_RAM[128];    // DATA RAM
+extern unsigned short const PT2001_main_config[29];  // main configurations
+extern unsigned short const PT2001_ch1_config[19];   // CH 1 configurations
+extern unsigned short const PT2001_ch2_config[19];   // CH 2 configurations
+extern unsigned short const PT2001_io_config[53];    // IO configurations
+extern unsigned short const PT2001_diag_config[44];  // diag configurations
 
 #endif /* PT2001_DATA_H_ */