Erase 2Kbytes pages on STM32F103xC/D/E devices

dmitrystu · Jun 11, 2021 · 995a04e · 995a04e
1 parent c399209
commit 995a04e
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/Makefile b/Makefile
@@ -171,7 +171,7 @@ FWTARGETS  += stm32l062x8 stm32l063x8
 FWTARGETS  += stm32l072v8 stm32l072xb stm32l072xc
 FWTARGETS  += stm32l073v8 stm32l073xb stm32l073xc
 FWTARGETS  += stm32l476xc stm32l476xe stm32l476xg
-FWTARGETS  += stm32f103x4 stm32f103x6 stm32f103x8 stm32f103xb
+FWTARGETS  += stm32f103x4 stm32f103x6 stm32f103x8 stm32f103xb stm32f103xc
 FWTARGETS  += stm32f303xb stm32f303xc stm32f303xd stm32f303xe
 FWTARGETS  += stm32f429xe stm32f429xg stm32f429xi stm32f429xi_hs
 FWTARGETS  += stm32f105xb stm32f107xb
@@ -412,6 +412,12 @@ stm32f103xb :
 	                   FWDEFS='STM32F1 STM32F103x6 USBD_ASM_DRIVER' \
 	                   LDPARAMS='ROMLEN=128K RAMLEN=20K'
 
+stm32f103xc :
+	$(MAKE) bootloader FWCPU='-mcpu=cortex-m3' \
+	                   FWSTARTUP='mcu/stm32f103.S' \
+	                   FWDEFS='STM32F1 STM32F103xE USBD_ASM_DRIVER' \
+	                   LDPARAMS='ROMLEN=256K RAMLEN=48K'
+
 stm32f303xb :
 	$(MAKE) bootloader FWCPU='-mcpu=cortex-m4' \
 	                   FWSTARTUP='mcu/stm32f303.S' \

diff --git a/mcu/stm32f103.S b/mcu/stm32f103.S
@@ -325,8 +325,13 @@ program_flash:
 .L_flash_loop:
     subs    r2, 0x02
     blt     Err_done
+#if defined(STM32F103xE)
+/* check for the page start (2k page) on STM32F103xC/D/E devices*/
+    lsls    r4, r0, 21
+#else
 /* check for the page start (1k page)*/
     lsls    r4, r0, 22
+#endif
     bne     .L_do_write
 /* erasing page */
     movs    r4, 0x02               // PER