Support for stm32f100 low density devices

stlink-org · Dec 2, 2014 · d04fcf5 · d04fcf5
1 parent 7d6dad8
commit d04fcf5
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Showing 2 changed files with 11 additions and 5 deletions.
diff --git a/src/stlink-common.c b/src/stlink-common.c
@@ -478,6 +478,12 @@ int stlink_load_device_params(stlink_t *sl) {
     sl->sys_base = params->bootrom_base;
     sl->sys_size = params->bootrom_size;
 
+    //medium and low devices have the same chipid. ram size depends on flash size.
+    //STM32F100xx datasheet Doc ID 16455 Table 2
+    if(sl->chip_id == STM32_CHIPID_F1_VL_MEDIUM_LOW && sl->flash_size < 64 * 1024){
+        sl->sram_size = 0x1000;
+    }
+
     ILOG("Device connected is: %s, id %#x\n", params->description, chip_id);
     // TODO make note of variable page size here.....
     ILOG("SRAM size: %#x bytes (%d KiB), Flash: %#x bytes (%d KiB) in pages of %zd bytes\n",

diff --git a/src/stlink-common.h b/src/stlink-common.h
@@ -108,7 +108,7 @@ extern "C" {
 #define STM32_CHIPID_L0             0x417
 #define STM32_CHIPID_F1_CONN        0x418
 #define STM32_CHIPID_F4_HD          0x419
-#define STM32_CHIPID_F1_VL_MEDIUM   0x420
+#define STM32_CHIPID_F1_VL_MEDIUM_LOW 0x420
 
 #define STM32_CHIPID_F3             0x422
 #define STM32_CHIPID_F4_LP          0x423
@@ -296,12 +296,12 @@ extern "C" {
             .bootrom_base = 0x1fffb000,
             .bootrom_size = 0x4800
         },
-        {
-            .chip_id = STM32_CHIPID_F1_VL_MEDIUM,
-            .description = "F1 Medium-density Value Line device",
+        {//Low and Medium density VL have same chipid. RM0041 25.6.1
+            .chip_id = STM32_CHIPID_F1_VL_MEDIUM_LOW,
+            .description = "F1 Medium/Low-density Value Line device",
             .flash_size_reg = 0x1ffff7e0,
             .flash_pagesize = 0x400,
-            .sram_size = 0x2000,
+            .sram_size = 0x2000,//0x1000 for low density devices
             .bootrom_base = 0x1ffff000,
             .bootrom_size = 0x800
         },