therm Changeset - 676f49902c7d · protofusion repositories

Changeset - 676f49902c7d

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Ethan Zonca - 10 years ago 2014-07-09 16:39:20
ezonca@sealandaire.com

Added a bunch of RCC time stuff and ITM sending, added size to makefile

2 files changed with 60 insertions and 0 deletions:

Makefile

main.c

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Makefile

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@@ @@ -87,26 +87,33 @@ LDFLAGS=$(COMMONFLAGS) -fno-exceptions - @@
 #####
 #####
 OBJ = $(SRC:%.c=%.o) $(ASRC:%.s=%.o)
 CC=$(TOOLCHAIN_PATH)/$(TOOLCHAIN_PREFIX)-gcc
 LD=$(TOOLCHAIN_PATH)/$(TOOLCHAIN_PREFIX)-gcc
 OBJCOPY=$(TOOLCHAIN_PATH)/$(TOOLCHAIN_PREFIX)-objcopy
 AS=$(TOOLCHAIN_PATH)/$(TOOLCHAIN_PREFIX)-as
 AR=$(TOOLCHAIN_PATH)/$(TOOLCHAIN_PREFIX)-ar
 GDB=$(TOOLCHAIN_PATH)/$(TOOLCHAIN_PREFIX)-gdb
 SIZE=$(TOOLCHAIN_PATH)/$(TOOLCHAIN_PREFIX)-size
 all: $(OBJ)
 	$(CC) -o $(TARGET).elf $(LDFLAGS) $(OBJ)	$(LDLIBS)
 	$(OBJCOPY) -O ihex   $(TARGET).elf $(TARGET).hex
 	$(OBJCOPY) -O binary $(TARGET).elf $(TARGET).bin
 .PHONY: clean
 clean:
 	rm -f $(OBJ)
 	rm -f $(TARGET).elf
 	rm -f $(TARGET).hex
 	rm -f $(TARGET).bin
 # Display size
 size: $(TARGET).elf
 	@echo Invoking: ARM GNU Print Size
 	$(SIZE) --format=berkeley $<
 	@echo

main.c

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 #include "main.h"
 #include "stm32l100c_discovery.h"
 #include "ssd1306.h"
 static __IO uint32_t TimingDelay;
 uint8_t BlinkSpeed = 0;
 ErrorStatus HSEStartUpStatus;
 // Clock config
 void RCC_Configuration(void)
+{
   /* RCC system reset(for debug purpose) */
   RCC_DeInit();
   /* Enable HSE */
   RCC_HSEConfig(RCC_HSE_ON);
   /* Wait till HSE is ready */
   HSEStartUpStatus = RCC_WaitForHSEStartUp();
   if(HSEStartUpStatus == SUCCESS)
+  {
     /* HCLK = SYSCLK */
     RCC_HCLKConfig(RCC_SYSCLK_Div1);
     /* PCLK2 = HCLK */
     RCC_PCLK2Config(RCC_HCLK_Div1);
     /* PCLK1 = HCLK/2 */
     RCC_PCLK1Config(RCC_HCLK_Div2);
     /* PLLCLK = 8MHz * 8 = ?? MHz */
     RCC_PLLConfig(RCC_PLLSource_HSE, RCC_PLLMul_8, RCC_PLLDiv_2);
     /* Enable PLL */
     RCC_PLLCmd(ENABLE);
     /* Wait till PLL is ready */
     while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
+    {
+    }
     /* Select PLL as system clock source */
     RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
     /* Wait till PLL is used as system clock source */
     while(RCC_GetSYSCLKSource() != 0x08)
+    {
+    }
+  }
   /* Enable GPIO_LED clock */
 //  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_LED, ENABLE);
+}
 /* Main */
 int main(void)
+{
    RCC_ClocksTypeDef RCC_Clocks;
   /* Configure LED3 and LED4 on STM32L100C-Discovery */
   STM_EVAL_LEDInit(LED3);
   STM_EVAL_LEDInit(LED4);
 //  RCC_Configuration();
   /* Initialize User_Button on STM32L100C-Discovery */
   //STM_EVAL_PBInit(BUTTON_USER, BUTTON_MODE_GPIO);
   /* SysTick end of count event each 1ms */
   RCC_GetClocksFreq(&RCC_Clocks);
   SysTick_Config(RCC_Clocks.HCLK_Frequency / 1000);
  /* Initiate Blink Speed variable */
   BlinkSpeed = 1;
   while(1) {
 	  ITM_SendChar('!');
+  }
  /* Init lcd driver */
   SSD1303_Init();
   SSD1303_DrawPoint(3,3,1);
   SSD1303_DrawPoint(5,5,0);
   STM_EVAL_LEDOn(LED4);
   Delay(1000);
   STM_EVAL_LEDOff(LED4);
   Delay(1000);
   while(1)
+  {

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