GCC support

.gitignore

@@ -4,3 +4,4 @@
 LCM/Project/MDK5/Objects/
 LCM/Project/MDK5/LCM_Light_Control_IO_WS2812_New.uvguix.*
 LCM/Project/MDK5/Listings/
+LCM/Build/

LCM/Code/App/task.c

@@ -143,7 +143,6 @@ static void WS2812_Power_Display(uint8_t brightness)
  **************************************************/
 static void WS2812_VESC(void)
 {
-	uint8_t i;
 	uint8_t pos, red;
 	uint8_t green = 0;
 	uint8_t blue = WS2812_Measure;
@@ -222,7 +221,7 @@ static void WS2812_VESC(void)
 void WS2812_Boot(void)
 {
 	uint8_t i;
-	uint8_t num = floor(Power_Time / 500) + 1;
+	uint8_t num = (Power_Time / 500) + 1;
 	uint8_t bootAnims[10][3] = {
 		// Default (blue...green)
 		//{{10,0,30}, {9,3,27}, {8,6,24}, {7,9,21}, {6,12,18}, {5,15,15}, {4,18,12}, {3,21,9}, {2,24,6}, {1,27,3}},
@@ -255,7 +254,7 @@ void WS2812_Boot(void)
 void WS2812_Shutdown(void)
 {
 	uint8_t brightness = 100;
-	int num = 10 - floor(Power_Time / 100);
+	int num = 10 - (Power_Time / 100);
 	if (num < 1) {
 		num = 1;
 	}
@@ -412,8 +411,6 @@ static void WS2812_Handtest(void)
  **************************************************/
 void WS2812_Task(void)
 {
-	uint8_t i;
-
 	if(Charge_Flag == 3) // Battery fully charged
 	{
 		WS2812_Set_AllColours(1,10,50,150,50);	// white with a strong green tint
@@ -729,7 +726,6 @@ static void Set_Headlights_Brightness(int brightness)
 void Headlights_Task(void)
 {
 	static uint8_t gear_position_last = 0;
-	static bool isForward = false;
 
 	if (Flashlight_Time < 10) {
 		return;

LCM/Code/App/test.c

@@ -109,6 +109,7 @@ void Test_LED(void)
 					case 1:
 						led_pwm += 1;
 						pwm_st = 2;
+						/* FALLTHRU */
 					case 2:
 						led_pwm -= 500;
 						if(led_pwm == 0)

LCM/Code/App/vesc_uasrt.c

@@ -1,6 +1,7 @@
 #include "vesc_uasrt.h"
 #include "flag_bit.h"
 #include "eeprom.h"
+#include <string.h>
 
 uint8_t VESC_RX_Buff[32];
 uint8_t VESC_RX_Flag = 0;

LCM/Code/App/vesc_uasrt.h

@@ -1,7 +1,6 @@
 #ifndef __VESC_USART_H
 #define __VESC_USART_H
 
-#include <string.h>
 #include "hk32f030m.h"
 #include "crc.h"
 #include "usart.h"

LCM/Code/App/ws2812.c

@@ -121,7 +121,9 @@ void WS2812_Set_Colour(uint8_t num,uint8_t red,uint8_t green,uint8_t blue)
 
 void delay(uint16_t i)
 {
-	while(i--);
+	while(i--) {
+		__ASM volatile("nop");
+	}
 }
 
 void WS2812_Refresh(void)

LCM/Code/Drive/io_ws2812.c

@@ -39,34 +39,25 @@ void IO_WS2812_Init(void)
 	}
 	i=250 120us
 */
+
 void WS2812_0_Code(void)
 {
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4; //250ns
-
+	//250ns
+	for(int i = 0; i != 3; ++i) {
+		GPIOD->BSRR = GPIO_Pin_4;
+		__ASM volatile("" ::: "memory");
+	}
+
 	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4; //750ns
 }
 
 void WS2812_1_Code(void)
 {
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4;
-	GPIOD->BSRR = GPIO_Pin_4; //750ns
-
+	//750ns
+	for(int i = 0; i != 8; ++i) {
+		GPIOD->BSRR = GPIO_Pin_4;
+		__ASM volatile("" ::: "memory");
+	}
+
 	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4;
-//	GPIOD->BRR = GPIO_Pin_4;  //250ns 
 }

LCM/Code/User/main.c

@@ -37,9 +37,10 @@
 
 //RCC_ClocksTypeDef RCC_Clock;
 
-/*
-
-*/
+#ifdef __GNUC__
+// stub init (main is called explicitly during startup)
+void _init(void) {}
+#endif
 
 /**************************************************
  * @brie   :main()

LCM/Library/HK32F030Mxx_Library_V1.1.6/HK32F030M/CMSIS/HK32F030M/Source/GCC/startup_hk32f030mf4p6.s

@@ -0,0 +1,245 @@
+/**
+  ******************************************************************************
+  * @file      startup_hk32f030mf4p6.s
+  * @brief     HK32F030MF4P6 devices vector table for GCC toolchain.
+  *            This module performs:
+  *                - Set the initial SP
+  *                - Set the initial PC == Reset_Handler,
+  *                - Set the vector table entries with the exceptions ISR address
+  *                - Branches to main in the C library (which eventually calls main()).
+  *            After Reset the Cortex-M0 processor is in Thread mode,
+  *            priority is Privileged, and the Stack is set to Main.
+  ******************************************************************************
+  */
+
+  .syntax unified
+  .cpu cortex-m0
+  .fpu softvfp
+  .thumb
+
+.global g_pfnVectors
+.global Default_Handler
+
+/* start address for the initialization values of the .data section.
+defined in linker script */
+.word _sidata
+/* start address for the .data section. defined in linker script */
+.word _sdata
+/* end address for the .data section. defined in linker script */
+.word _edata
+/* start address for the .bss section. defined in linker script */
+.word _sbss
+/* end address for the .bss section. defined in linker script */
+.word _ebss
+
+  .section .text.Reset_Handler
+  .weak Reset_Handler
+  .type Reset_Handler, %function
+Reset_Handler:
+  ldr   r0, =_estack
+  mov   sp, r0          /* set stack pointer */
+
+/* Copy the data segment initializers from flash to SRAM */
+  ldr r0, =_sdata
+  ldr r1, =_edata
+  ldr r2, =_sidata
+  movs r3, #0
+  b LoopCopyDataInit
+
+CopyDataInit:
+  ldr r4, [r2, r3]
+  str r4, [r0, r3]
+  adds r3, r3, #4
+
+LoopCopyDataInit:
+  adds r4, r0, r3
+  cmp r4, r1
+  bcc CopyDataInit
+
+/* Zero fill the bss segment. */
+  ldr r2, =_sbss
+  ldr r4, =_ebss
+  movs r3, #0
+  b LoopFillZerobss
+
+FillZerobss:
+  str  r3, [r2]
+  adds r2, r2, #4
+
+LoopFillZerobss:
+  cmp r2, r4
+  bcc FillZerobss
+
+/* Call the clock system intitialization function.*/
+  bl  SystemInit
+/* Call static constructors. Remove this line if compile with `-nostartfiles` reports error */
+  bl __libc_init_array
+/* Call the application's entry point.*/
+  bl main
+
+LoopForever:
+    b LoopForever
+
+
+.size Reset_Handler, .-Reset_Handler
+
+/**
+ * @brief  This is the code that gets called when the processor receives an
+ *         unexpected interrupt.  This simply enters an infinite loop, preserving
+ *         the system state for examination by a debugger.
+ *
+ * @param  None
+ * @retval : None
+*/
+    .section .text.Default_Handler,"ax",%progbits
+Default_Handler:
+Infinite_Loop:
+  b Infinite_Loop
+  .size Default_Handler, .-Default_Handler
+/******************************************************************************
+*
+* The minimal vector table for a Cortex M0.  Note that the proper constructs
+* must be placed on this to ensure that it ends up at physical address
+* 0x0000.0000.
+*
+******************************************************************************/
+   .section .isr_vector,"a",%progbits
+  .type g_pfnVectors, %object
+  .size g_pfnVectors, .-g_pfnVectors
+
+
+g_pfnVectors:
+  .word  _estack
+  .word  Reset_Handler
+  .word  NMI_Handler
+  .word  HardFault_Handler
+  .word  0
+  .word  0
+  .word  0
+  .word  0
+  .word  0
+  .word  0
+  .word  0
+  .word  SVC_Handler
+  .word  0
+  .word  0
+  .word  PendSV_Handler
+  .word  SysTick_Handler  
+  .word  WWDG_IRQHandler                   /* Window WatchDog              */
+  .word  0                                 /* Reserved                     */
+  .word  EXTI11_IRQHandler                 /* EXTI Line 11 interrupt(AWU_WKP) */
+  .word  FLASH_IRQHandler                  /* FLASH                        */
+  .word  RCC_IRQHandler                    /* RCC                          */
+  .word  EXTI0_IRQHandler                  /* EXTI Line 0                  */
+  .word  EXTI1_IRQHandler                  /* EXTI Line 1                  */
+  .word  EXTI2_IRQHandler                  /* EXTI Line 2                  */
+  .word  EXTI3_IRQHandler                  /* EXTI Line 3                  */
+  .word  EXTI4_IRQHandler                  /* EXTI Line 4                  */
+  .word  EXTI5_IRQHandler                  /* EXTI Line 5                  */
+  .word  TIM1_BRK_IRQHandler               /* TIM1 break interrupt         */
+  .word  ADC1_IRQHandler                   /* ADC1 interrupt, combined with EXTI line 8 */
+  .word  TIM1_UP_TRG_COM_IRQHandler        /* TIM1 Update, Trigger and Commutation */
+  .word  TIM1_CC_IRQHandler                /* TIM1 Capture Compare         */
+  .word  TIM2_IRQHandler                   /* TIM2                         */
+  .word  0                                 /* Reserved                     */
+  .word  TIM6_IRQHandler                   /* TIM6                         */
+  .word  0                                 /* Reserved                     */
+  .word  0                                 /* Reserved                     */
+  .word  0                                 /* Reserved                     */
+  .word  EXTI6_IRQHandler                  /* EXTI Line 6                  */
+  .word  EXTI7_IRQHandler                  /* EXTI Line 7                  */
+  .word  I2C1_IRQHandler                   /* I2C1 global interrupt, combined with EXTI Line 10 */
+  .word  0                                 /* Reserved                     */
+  .word  SPI1_IRQHandler                   /* SPI1                         */
+  .word  0                                 /* Reserved                     */
+  .word  USART1_IRQHandler                 /* USART1 global interrupt, combined with EXTI Line 9 */
+  .word  0                                 /* Reserved                     */
+  .word  0                                 /* Reserved                     */
+  .word  0                                 /* Reserved                     */
+  .word  0                                 /* Reserved                     */
+
+/*******************************************************************************
+*
+* Provide weak aliases for each Exception handler to the Default_Handler.
+* As they are weak aliases, any function with the same name will override
+* this definition.
+*
+*******************************************************************************/
+
+  .weak      NMI_Handler
+  .thumb_set NMI_Handler,Default_Handler
+
+  .weak      HardFault_Handler
+  .thumb_set HardFault_Handler,Default_Handler
+
+  .weak      SVC_Handler
+  .thumb_set SVC_Handler,Default_Handler
+
+  .weak      PendSV_Handler
+  .thumb_set PendSV_Handler,Default_Handler
+
+  .weak      SysTick_Handler
+  .thumb_set SysTick_Handler,Default_Handler
+
+  .weak      WWDG_IRQHandler
+  .thumb_set WWDG_IRQHandler,Default_Handler
+
+  .weak      EXTI11_IRQHandler
+  .thumb_set EXTI11_IRQHandler,Default_Handler
+
+  .weak      FLASH_IRQHandler
+  .thumb_set FLASH_IRQHandler,Default_Handler
+
+  .weak      RCC_IRQHandler
+  .thumb_set RCC_IRQHandler,Default_Handler
+
+  .weak      EXTI0_IRQHandler
+  .thumb_set EXTI0_IRQHandler,Default_Handler
+
+  .weak      EXTI1_IRQHandler
+  .thumb_set EXTI1_IRQHandler,Default_Handler
+
+  .weak      EXTI2_IRQHandler
+  .thumb_set EXTI2_IRQHandler,Default_Handler
+
+  .weak      EXTI3_IRQHandler
+  .thumb_set EXTI3_IRQHandler,Default_Handler
+
+  .weak      EXTI4_IRQHandler
+  .thumb_set EXTI4_IRQHandler,Default_Handler
+
+  .weak      EXTI5_IRQHandler
+  .thumb_set EXTI5_IRQHandler,Default_Handler
+
+  .weak      TIM1_BRK_IRQHandler
+  .thumb_set TIM1_BRK_IRQHandler,Default_Handler
+
+  .weak      ADC1_IRQHandler
+  .thumb_set ADC1_IRQHandler,Default_Handler
+
+  .weak      TIM1_UP_TRG_COM_IRQHandler
+  .thumb_set TIM1_UP_TRG_COM_IRQHandler,Default_Handler
+
+  .weak      TIM1_CC_IRQHandler
+  .thumb_set TIM1_CC_IRQHandler,Default_Handler
+
+  .weak      TIM2_IRQHandler
+  .thumb_set TIM2_IRQHandler,Default_Handler
+
+  .weak      TIM6_IRQHandler
+  .thumb_set TIM6_IRQHandler,Default_Handler
+
+  .weak      EXTI6_IRQHandler
+  .thumb_set EXTI6_IRQHandler,Default_Handler
+
+  .weak      EXTI7_IRQHandler
+  .thumb_set EXTI7_IRQHandler,Default_Handler
+
+  .weak      I2C1_IRQHandler
+  .thumb_set I2C1_IRQHandler,Default_Handler
+
+  .weak      SPI1_IRQHandler
+  .thumb_set SPI1_IRQHandler,Default_Handler
+
+  .weak      USART1_IRQHandler
+  .thumb_set USART1_IRQHandler,Default_Handler

LCM/Library/HK32F030Mxx_Library_V1.1.6/HK32F030M/HK32F030M_Lib/inc/hk32f030m_def.h

@@ -17,7 +17,6 @@ extern "C" {
 
 /* Includes ------------------------------------------------------------------*/
 #include "hk32f030m.h"
-#include <stdio.h>
 #define UNUSED(X) (void)X      /* To avoid gcc/g++ warnings */