郁闷，TIM4问题

只看该作者 · 2011-2-28 14:00

学习定时器中，液晶没显示，不知道什么问题，求大大指导。板子是Stm8l152 LP
#include <stm8l15x.h>
#include <stm8l152.h>
#define push (GPIO_ReadInputData(GPIOC))
void CLK_CONFIG(void)
{
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_16);  //HSI16分频，1MHz
CLK_PeripheralClockConfig(CLK_Peripheral_TIM1,ENABLE);
}
void LCD_GLASS_Init(void)
{
  CLK_PeripheralClockConfig(CLK_Peripheral_LCD, ENABLE);
  LCD_Init(LCD_Prescaler_2, LCD_Divider_16, LCD_Duty_1_4,
         LCD_Bias_1_3, LCD_VoltageSource_Internal);
  LCD_PortMaskConfig(LCD_PortMaskRegister_0, 0xFF);
  LCD_PortMaskConfig(LCD_PortMaskRegister_1, 0xFF);
  LCD_PortMaskConfig(LCD_PortMaskRegister_2, 0xFF);
  LCD_PortMaskConfig(LCD_PortMaskRegister_3, 0xFF);
  LCD_ContrastConfig(LCD_Contrast_3V3);
  LCD_DeadTimeConfig(LCD_DeadTime_0);
  LCD_PulseOnDurationConfig(LCD_PulseOnDuration_1);
  LCD_Cmd(ENABLE);
}
void TIM4_CONFIG(void)
{
TIM4_ITConfig(TIM4_IT_Update,ENABLE);
TIM4_TimeBaseInit(TIM4_Prescaler_8,125);
TIM4_Cmd(ENABLE);
}
main()
{
_asm("sim");
CLK_CONFIG();
LCD_GLASS_Init();
TIM4_CONFIG();
_asm("rim");
while(1);
}
#include <stm8l15x.h>
//#define push (GPIO_ReadInputData(GPIOC))
typedef void @far (*interrupt_handler_t)(void);
struct interrupt_vector {
unsigned char interrupt_instruction;
interrupt_handler_t interrupt_handler;
};
@far @interrupt void NonHandledInterrupt (void)
{
return;
}
@far @interrupt void TIM4_TEST(void)
{
static u8 i,j;
i++;
if(i==1000)
{
   i=0;
   j++;
   switch(j)
   {
      case 0:
      {
         LCD_WriteRAM(LCD_RAMRegister_0,0x0f);
         LCD_WriteRAM(LCD_RAMRegister_3,0xf0);
         LCD_WriteRAM(LCD_RAMRegister_7,0x0f);
         LCD_WriteRAM(LCD_RAMRegister_10,0xf0);
      }
      case 1:
      {
         LCD_WriteRAM(LCD_RAMRegister_1,0x0f);
         LCD_WriteRAM(LCD_RAMRegister_4,0xf0);
         LCD_WriteRAM(LCD_RAMRegister_8,0x0f);
         LCD_WriteRAM(LCD_RAMRegister_11,0xf0);
      }
      case 2:
   {
         LCD_WriteRAM(LCD_RAMRegister_2,0x0f);
         LCD_WriteRAM(LCD_RAMRegister_6,0xf0);
         LCD_WriteRAM(LCD_RAMRegister_9,0x0f);
         LCD_WriteRAM(LCD_RAMRegister_13,0xf0);
      }
   }
   if(j==3)
   j=0;
}
TIM4_ClearITPendingBit(TIM4_IT_Update);
}

extern void _stext();    /* startup routine */
struct interrupt_vector const _vectab[] = {
{0x82, (interrupt_handler_t)_stext}, /* reset */
{0x82, NonHandledInterrupt}, /* trap  */
{0x82, NonHandledInterrupt}, /* irq0  */
{0x82, NonHandledInterrupt}, /* irq1  */
{0x82, NonHandledInterrupt}, /* irq2  */
{0x82, NonHandledInterrupt}, /* irq3  */
{0x82, NonHandledInterrupt}, /* irq4  */
{0x82, NonHandledInterrupt}, /* irq5  */
{0x82, NonHandledInterrupt}, /* irq6  */
{0x82, NonHandledInterrupt}, /* irq7  */
{0x82, NonHandledInterrupt}, /* irq8  */
{0x82, NonHandledInterrupt}, /* irq9  */
{0x82, NonHandledInterrupt}, /* irq10 */
{0x82, NonHandledInterrupt}, /* irq11 */
{0x82, NonHandledInterrupt}, /* irq12 */
{0x82, TIM4_TEST}, /* irq13 */
{0x82, NonHandledInterrupt}, /* irq14 */
{0x82, NonHandledInterrupt}, /* irq15 */
{0x82, NonHandledInterrupt}, /* irq16 */
{0x82, NonHandledInterrupt}, /* irq17 */
{0x82, NonHandledInterrupt}, /* irq18 */
{0x82, NonHandledInterrupt}, /* irq19 */
{0x82, NonHandledInterrupt}, /* irq20 */
{0x82, NonHandledInterrupt}, /* irq21 */
{0x82, NonHandledInterrupt}, /* irq22 */
{0x82, NonHandledInterrupt}, /* irq23 */
{0x82, NonHandledInterrupt}, /* irq24 */
{0x82, NonHandledInterrupt}, /* irq25 */
{0x82, NonHandledInterrupt}, /* irq26 */
{0x82, NonHandledInterrupt}, /* irq27 */
{0x82, NonHandledInterrupt}, /* irq28 */
{0x82, NonHandledInterrupt}, /* irq29 */
};

只看该作者 · 2011-3-1 14:19

只看该作者 · 2012-8-22 08:07

二个问题：
1：你这个C 编译器是哪个名称
2：TIM4 溢出的中断 IR =25 吧。