Драйвер EEPROM: сборка на свежем sdk, частичное стирание

upload-drivers/jtag-eeprom/.pio/build/mik32v2/firmware.hex

@@ -1,114 +1,120 @@
 :020000040200F8
-:10000000FD62938202400100FD12E39E02FE374131
+:10000000FD6293820240FD12E39F02FE374100022F
-:10001000000213010100B70100029381016FB705CF
+:1000100013010100B7110002938181F1B7050002BD
-:1000200000029385056F370600021306066FB706B8
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 :0400000502000000F5
 :00000001FF

upload-drivers/jtag-eeprom/platformio.ini

@@ -13,3 +13,5 @@ platform = MIK32
 board = mik32v2
 framework = framework-mik32v2-sdk
 board_build.ldscript = ram
+board_upload.maximum_size = 4096
+board_upload.maximum_ram_size = 2048

upload-drivers/jtag-eeprom/ram.ld

@@ -1,19 +0,0 @@
-
-OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv", "elf32-littleriscv")
-OUTPUT_ARCH(riscv)
-
-ENTRY(_start)
-
-
-MEMORY {
-  ram (RWX): ORIGIN = 0x02000000, LENGTH = 16K
-}
-
-STACK_SIZE = 512;
-
-CL_SIZE = 16;
-
-REGION_ALIAS("REGION_TEXT", ram);
-REGION_ALIAS("REGION_RAM", ram);
-
-INCLUDE sections.lds

upload-drivers/jtag-eeprom/sections.lds

@@ -1,105 +0,0 @@
-
-SECTIONS {
-    .text ORIGIN(REGION_TEXT) : {
-        PROVIDE(__TEXT_START__ = .);
-        *crt0.o(.text .text.*)
-        *(.text.smallsysteminit)
-        *(.text.SmallSystemInit)
-        . = ORIGIN(REGION_TEXT) + 0xC0;
-        KEEP(*crt0.o(.trap_text))
-
-        *(.text)
-        *(.text.*)
-        *(.rodata)
-        *(.rodata.*)      
-        . = ALIGN(CL_SIZE);
-        PROVIDE(__TEXT_END__ = .);
-    } >REGION_TEXT 
-
-    .data : 
-    AT( __TEXT_END__ ) {
-        PROVIDE(__DATA_START__ = .);
-        _gp = .;
-        *(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2) *(.srodata*)
-        *(.sdata .sdata.* .gnu.linkonce.s.*)
-        *(.data .data.*)
-        . = ALIGN(CL_SIZE);
-        PROVIDE(__DATA_END__ = .);
-    } >REGION_RAM
-    
-    __DATA_IMAGE_START__ = LOADADDR(.data);
-    __DATA_IMAGE_END__ = LOADADDR(.data) + SIZEOF(.data);
-
-    /* thread-local data segment */
-    .tdata : {
-        PROVIDE(_tls_data = .);
-        PROVIDE(_tdata_begin = .);
-        *(.tdata .tdata.*)
-        PROVIDE(_tdata_end = .);
-        . = ALIGN(CL_SIZE);
-    } >REGION_RAM
-
-    .tbss : {
-        PROVIDE(__BSS_START__ = .);
-        *(.tbss .tbss.*)
-        . = ALIGN(CL_SIZE);
-        PROVIDE(_tbss_end = .);
-    } >REGION_RAM
-
-    /* bss segment */
-    .sbss : {
-        *(.sbss .sbss.* .gnu.linkonce.sb.*)
-        *(.scommon)
-    } >REGION_RAM
-
-    .bss : {
-        *(.bss .bss.*)
-        *(COMMON)
-        . = ALIGN(CL_SIZE);
-        PROVIDE(__BSS_END__ = .);
-    } >REGION_RAM
-
-    /* Code intended to be copied to REGION_RAM before execution */
-    .ram_text : 
-    AT( ALIGN(__DATA_IMAGE_END__, CL_SIZE) ) {
-        PROVIDE(__RAM_TEXT_START__ = .);
-        *(.ram_text)
-        . = ALIGN(CL_SIZE);
-        PROVIDE(__RAM_TEXT_END__ = .);
-    } > REGION_RAM
-    
-    __RAM_TEXT_IMAGE_START__ = LOADADDR(.ram_text);
-    __RAM_TEXT_IMAGE_END__ = LOADADDR(.ram_text) + SIZEOF(.ram_text);
-    ASSERT(__RAM_TEXT_IMAGE_END__ < ORIGIN(REGION_TEXT) + LENGTH(REGION_TEXT), "REGION_TEXT segment overflows")
-
-    ASSERT(__RAM_TEXT_END__ < ORIGIN(REGION_RAM) + LENGTH(REGION_RAM) - STACK_SIZE, "REGION_RAM section overflows")
-
-    _end = .;
-    PROVIDE(__end = .);
-
-    BUFFER_SIZE = 8K;
-
-    .buffer ORIGIN(REGION_RAM) + 6K : {
-        FILL(0);
-        PROVIDE(__BUFFER__END__ = .);
-        PROVIDE(BUFFER = .);
-        . += BUFFER_SIZE;
-        PROVIDE(BUFFER_STATUS = .);
-        . += 4;
-        PROVIDE(__BUFFER__END__ = .);
-    } >REGION_RAM
-
-    /* End of uninitalized data segement */
-
-    .stack ORIGIN(REGION_RAM) + LENGTH(REGION_RAM) - STACK_SIZE : {
-        FILL(0);
-        PROVIDE(__STACK_START__ = .);
-        . += STACK_SIZE;
-        PROVIDE(__C_STACK_TOP__ = .);
-        PROVIDE(__STACK_END__ = .);
-    } >REGION_RAM
-
-    /DISCARD/ : {
-        *(.eh_frame .eh_frame.*)
-    }
-}

upload-drivers/jtag-eeprom/src/main.c

@@ -11,13 +11,18 @@
 */
 
 #define STATUS_CODE_S 0
-#define STATUS_CODE_M 0xFF
+#define STATUS_CODE_M 0x7F
 #define STATUS_CODE(X) ((X) << STATUS_CODE_S)
 
 #define STATUS_CODE_OK 0
 #define STATUS_CODE_START 1
 #define STATUS_CODE_MISMATCH 2
 
+#define STATUS_CODE_ERASE_S 7
+#define STATUS_CODE_ERASE_M (1 << STATUS_CODE_ERASE_S)
+#define STATUS_CODE_ERASE_FULL 0
+#define STATUS_CODE_ERASE_USED STATUS_CODE_ERASE_M
+
 #define STATUS_CODE_START_PAGE_COUNT_S 8
 #define STATUS_CODE_START_PAGE_COUNT_M ((64 - 1) << STATUS_CODE_START_PAGE_COUNT_S)
 
@@ -30,8 +35,8 @@
 #define STATUS_CODE_MISMATCH_VALUE(X) ((X) << STATUS_CODE_MISMATCH_VALUE_S)
 
 const int BUFFER_SIZE = 8 * 1024;
-extern uint8_t *BUFFER[];
+uint8_t *BUFFER = (uint8_t *)0x02001800;
-extern uint32_t BUFFER_STATUS[];
+uint32_t *BUFFER_STATUS = (uint32_t *)0x02003800;
 
 #define EEPROM_OP_TIMEOUT 100000
 #define USART_TIMEOUT 1000
@@ -69,7 +74,27 @@ int main()
                        STATUS_CODE_START_PAGE_COUNT_S) *
                       EEPROM_PAGE_WORDS * 4;
 
-    HAL_EEPROM_Erase(&heeprom, 0, EEPROM_PAGE_WORDS, HAL_EEPROM_WRITE_ALL, EEPROM_OP_TIMEOUT);
+    if (*BUFFER_STATUS & STATUS_CODE_ERASE_USED)
+    {
+        for (uint32_t addr = 0; addr < max_address; addr += (EEPROM_PAGE_WORDS * 4))
+        {
+            HAL_EEPROM_Erase(
+                &heeprom,
+                addr,
+                EEPROM_PAGE_WORDS,
+                HAL_EEPROM_WRITE_SINGLE,
+                EEPROM_OP_TIMEOUT);
+        }
+    }
+    else
+    {
+        HAL_EEPROM_Erase(
+            &heeprom,
+            0,
+            EEPROM_PAGE_WORDS,
+            HAL_EEPROM_WRITE_ALL,
+            EEPROM_OP_TIMEOUT);
+    }
 
     for (int addr = 0; addr < max_address; addr += (EEPROM_PAGE_WORDS * 4))
     {
@@ -87,7 +112,12 @@ int main()
 
         uint8_t rb[EEPROM_PAGE_WORDS * 4] = {0};
 
-        HAL_EEPROM_Read(&heeprom, addr, (uint32_t *)rb, EEPROM_PAGE_WORDS, EEPROM_OP_TIMEOUT);
+        HAL_EEPROM_Read(
+            &heeprom,
+            addr,
+            (uint32_t *)rb,
+            EEPROM_PAGE_WORDS,
+            EEPROM_OP_TIMEOUT);
 
         for (uint32_t b = 0; b < (EEPROM_PAGE_WORDS * 4); b++)
         {