Fix some warnings

Former-commit-id: 6db0177

Author: facchinm

cores/arduino/FspTimer.h

@@ -55,13 +55,12 @@ class GPTimer {
       ext_cfg.gtior_setting.gtior          = 0U;
 
       cfg.p_extend                         = &ext_cfg;
-       
+
+      memset(&ctrl, 0, sizeof(gpt_instance_ctrl_t));
     }
-    
-    gpt_instance_ctrl_t ctrl = { 0 };
-    gpt_extended_cfg_t ext_cfg = { 0 };
-    
 
+    gpt_instance_ctrl_t ctrl;
+    gpt_extended_cfg_t ext_cfg;
 };
 
 class AGTimer {

cores/arduino/Serial.cpp

@@ -326,4 +326,5 @@ size_t UART::write_raw(uint8_t* c, size_t len) {
     R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
     i++;
   }
+  return len;
 }

cores/arduino/cm_backtrace/cm_backtrace.c

@@ -262,7 +262,7 @@ static void dump_stack(uint32_t stack_start_addr, size_t stack_size, uint32_t *s
     }
     cmb_println(print_info[PRINT_THREAD_STACK_INFO]);
     for (; (uint32_t) stack_pointer < stack_start_addr + stack_size; stack_pointer++) {
-        cmb_println("  addr: %08x    data: %08x", stack_pointer, *stack_pointer);
+        cmb_println("  addr: %08x    data: %08x", (unsigned int)stack_pointer, (unsigned int)*stack_pointer);
     }
     cmb_println("====================================");
 }
@@ -397,7 +397,7 @@ void cm_backtrace_assert(uint32_t sp) {
     uint32_t cur_stack_pointer = cmb_get_sp();
 #endif
 
-    cmb_println("");
+    cmb_println("\n");
     cm_backtrace_firmware_info();
 
 #ifdef CMB_USING_OS_PLATFORM
@@ -584,7 +584,7 @@ void cm_backtrace_fault(uint32_t fault_handler_lr, uint32_t fault_handler_sp) {
 
     on_fault = true;
 
-    cmb_println("");
+    cmb_println("\n");
     cm_backtrace_firmware_info();
 
 #ifdef CMB_USING_OS_PLATFORM

cores/arduino/main.cpp

@@ -36,7 +36,7 @@ void unsecure_registers() {
     uint32_t interrupt_security_state[BSP_ICU_VECTOR_MAX_ENTRIES / BSP_PRV_BITS_PER_WORD];
     memset(&interrupt_security_state, UINT8_MAX, sizeof(interrupt_security_state));
 
-    for (uint32_t i = 0U; i < BSP_ICU_VECTOR_MAX_ENTRIES; i++)
+    for (size_t i = 0U; i < BSP_ICU_VECTOR_MAX_ENTRIES; i++)
     {
          /* This is a secure vector. Clear the associated bit. */
          uint32_t index = i / BSP_PRV_BITS_PER_WORD;
@@ -47,7 +47,7 @@ void unsecure_registers() {
     /* The Secure Attribute managed within the ARM CPU NVIC must match the security attribution of IELSEn
      * (Reference section 13.2.9 in the RA6M4 manual R01UH0890EJ0050). */
     uint32_t volatile * p_icusarg = &R_CPSCU->ICUSARG;
-    for (uint32_t i = 0U; i < BSP_ICU_VECTOR_MAX_ENTRIES / BSP_PRV_BITS_PER_WORD; i++)
+    for (size_t i = 0U; i < BSP_ICU_VECTOR_MAX_ENTRIES / BSP_PRV_BITS_PER_WORD; i++)
     {
         p_icusarg[i]  = interrupt_security_state[i];
         NVIC->ITNS[i] = interrupt_security_state[i];
@@ -78,7 +78,7 @@ void arduino_main(void)
 
    __disable_irq();
    irq_vector_table = (volatile uint32_t *)APPLICATION_VECTOR_TABLE_ADDRESS_RAM;
-   int _i;
+   size_t _i;
    for (_i=0; _i<BSP_CORTEX_VECTOR_TABLE_ENTRIES; _i++) {
       *(irq_vector_table + _i) = (uint32_t)__VECTOR_TABLE[_i];
    }
@@ -116,6 +116,7 @@ void arduino_main(void)
 #ifdef BACKTRACE_SUPPORT
 /* for printf compatibility */
 extern "C" __attribute__((weak)) int _write (int fhdl, const void *buf, size_t count) {
+  (void)fhdl;
   Serial.write_raw((uint8_t*)buf, count);
 }
 #endif