Merge pull request #78 from stnolting/dependabot/submodules/neorv32-c…

…378975

[Dependabot]: Bump neorv32 from `00d248c` to `c378975`

README.md

@@ -1,4 +1,4 @@
-# FreeRTOS for NEORV32
+# FreeRTOS on NEORV32
 
 [![neorv32-freertos](https://img.shields.io/github/actions/workflow/status/stnolting/neorv32-freertos/main.yml?branch=main&longCache=true&style=flat-square&label=neorv32-freertos%20sim&logo=Github%20Actions&logoColor=fff)](https://github.com/stnolting/neorv32-freertos/actions/workflows/main.yml)
 [![License](https://img.shields.io/github/license/stnolting/neorv32-freertos?longCache=true&style=flat-square&label=License)](https://github.com/stnolting/neorv32-freertos/blob/main/LICENSE)
@@ -15,14 +15,14 @@ processor-specific features.
 
 ## Requirements
 
-#### Tools and framework
+#### Tools and Framework
 
 * [NEORV32](https://github.com/stnolting/neorv32) submodule
 * [FreeRTOS kernel-only](https://github.com/FreeRTOS/FreeRTOS-Kernel) submodule
 * Prebuilt [RISC-V GCC toolchain](https://github.com/stnolting/riscv-gcc-prebuilt)
 * [GHDL](https://github.com/ghdl/ghdl) for simulating the processor, optional
 
-#### Minimal processor configuration
+#### Minimal Processor Configuration
 
 * CPU architecture and ISA extensions: `rv32i_zicsr_zifencei`
 * Memory
@@ -34,10 +34,6 @@ processor-specific features.
   * UART0 as interface console
   * general purpose IO controller (GPIO); high-active LED connected to bits 1:0, LED at pin 0 is used as "heart beat"
 
-> [!TIP]
-> For more information regarding the processor configuration options see the NEORV32's
-[online data sheet](https://stnolting.github.io/neorv32/).
-
 
 ## How To Run
 

demo/main.c

@@ -41,7 +41,6 @@
 #define UART_HW_HANDLE (NEORV32_UART0) // use UART0 (primary UART)
 
 /* External definitions */
-extern const unsigned __crt0_max_heap;          // may heap size from NEORV32 linker script
 extern void blinky(void);                       // actual show-case application
 extern void freertos_risc_v_trap_handler(void); // FreeRTOS core
 
@@ -119,13 +118,12 @@ static void prvSetupHardware(void) {
   }
 
   // check heap size configuration
-  uint32_t neorv32_max_heap = (uint32_t)&__crt0_max_heap;
-  if ((uint32_t)&__crt0_max_heap != (uint32_t)configTOTAL_HEAP_SIZE){
+  if ((uint32_t)neorv32_heap_size_c != (uint32_t)configTOTAL_HEAP_SIZE){
     neorv32_uart_printf(UART_HW_HANDLE,
                         "WARNING! Incorrect 'configTOTAL_HEAP_SIZE' configuration!\n"
                         "FreeRTOS configTOTAL_HEAP_SIZE: %u bytes\n"
                         "NEORV32 makefile heap size:     %u bytes\n\n",
-                        (uint32_t)configTOTAL_HEAP_SIZE, neorv32_max_heap);
+                        (uint32_t)configTOTAL_HEAP_SIZE, neorv32_heap_size_c);
   }
 
   // check clock frequency configuration