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MSP430i2xx GPIO例程

2019-07-25 14:09发布

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本帖最后由 734774645 于 2015-10-31 16:58 编辑
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  32. /*******************************************************************************
  33. * MSP430i2xx GPIO - Toggle Output
  34. *
  35. * Description: In this example, P1.4 is setup as an output pin. The pin is
  36. * toggled in the main loop to make the LED blink. The MCLK is slowed down so
  37. * the LED blinking is visible.
  38. *
  39. *
  40. *                MSP430i2041
  41. *             ------------------
  42. *         /||                  |
  43. *          | |                  |
  44. *          --|RST               |
  45. *            |                  |
  46. *            |              P1.4|-->LED
  47. *            |                  |
  48. *            |                  |
  49. *            |                  |
  50. *
  51. * Author: Zack Lalanne
  52. ******************************************************************************/

  54. #include "driverlib.h"

  56. int main(void) {
  57.     WDT_hold(WDT_BASE);

  59.     // Set P1.4 as output pin to drive the LED
  60.     GPIO_setAsOutputPin(GPIO_PORT_P1, GPIO_PIN4);

  62.     // Slow down clock so we can see LED blink
  63.     // Configure MCLK = ~1MHz
  64.     CS_initClockSignal(CS_MCLK, CS_CLOCK_DIVIDER_16);

  66.     while(1)
  67.     {
  68.         // Toggle the LED state
  69.         GPIO_toggleOutputOnPin(GPIO_PORT_P1, GPIO_PIN4);
  70.         __delay_cycles(100000);
  71.     }
  72. }
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8条回答
gejigeji521
2019-07-26 02:39
GPIO_setAsOutputPin(GPIO_PORT_P1, GPIO_PIN4);
这种很简单啊，明白

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