/**
* @brief Main program.
* @param None
* @retval None
*/
uint32_t main(void)
{
RST_CLK_DeInit();
/* Select HSI/2 as CPU_CLK source*/
RST_CLK_CPU_PLLconfig (RST_CLK_CPU_PLLsrcHSEdiv2,0);
/* Periph clocks enable */
RST_CLK_PCLKcmd((RST_CLK_PCLK_RST_CLK | RST_CLK_PCLK_CAN1),ENABLE);
RST_CLK_PCLKcmd(RST_CLK_PCLK_PORTD,ENABLE);
/* Reset PORTD settings */
PORT_DeInit(MDR_PORTD);
/* Configure PORTD pins 10,11 for output to switch LED on/off */
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_InitStructure.PORT_Pin = PORT_Pin_10 | PORT_Pin_11;
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_SLOW;
PORT_Init(MDR_PORTD, &PORT_InitStructure);
/* CAN transmit at 500Kb/s and receive by interrupt in loopback mode */
TestRx = CAN_Interrupt();
if (TestRx == FAILED)
{
/* Turn on led LED2 */
LEDOn(LED2);
}
else
{
/* Turn on led LED1 */
LEDOn(LED1);
}
while(1);
}
/*
* 函数名：CAN_Test
* 描述 ：CAN 回环模式跟中断模式测试
* 输入 ：无
* 输出 : 无
* 调用 ：外部调用
*/
void USER_CAN_Test(void)
{
/* CAN transmit at 100Kb/s and receive by polling in loopback mode */
TestRx = CAN_Polling();
if (TestRx == FAILED)
{
LED1( OFF ); // LED1 OFF
}
else
{
LED1( ON ); // LED1 ON;
}
/* CAN transmit at 500Kb/s and receive by interrupt in loopback mode */
TestRx = CAN_Interrupt();
if (TestRx == FAILED)
{
LED2( OFF ); // LED2 OFF;
}
else
{
LED2( ON ); // LED2 ON;
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* CAN1 Periph clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);
/* NVIC Configuration */
NVIC_Configuration();
/* Configures LED 1..4 */
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/*Turns selected LED Off */
STM_EVAL_LEDOff(LED1);
STM_EVAL_LEDOff(LED2);
STM_EVAL_LEDOff(LED3);
STM_EVAL_LEDOff(LED4);
/* CAN transmit at 100Kb/s and receive by polling in loopback mode */
TestRx = CAN_Polling();
if (TestRx == FAILED)
{
/* Turn on led LD3 */
STM_EVAL_LEDOn(LED3);
}
else
{
/* Turn on led LD1 */
STM_EVAL_LEDOn(LED1);
}
/* CAN transmit at 500Kb/s and receive by interrupt in loopback mode */
TestRx = CAN_Interrupt();
if (TestRx == FAILED)
{
/* Turn on led LD4 */
STM_EVAL_LEDOn(LED4);
}
else
{
/* Turn on led LD2 */
STM_EVAL_LEDOn(LED2);
}
/* Infinite loop */
while (1)
{
}
}
