AM5728 DSP (基于YSYBIOS )
参照GPIO_LedBlink_evmAM572x_c66xExampleProject_with_ipc
用GPIO3_22 (KEY5)作为外部触发中断
#define GPIO_USER0_LED_PIN_NUM (0x08)
#define GPIO_USER0_LED_PORT_NUM (0x07)
#define GPIO_USER1_LED_PIN_NUM (0x14)
#define GPIO_USER1_LED_PORT_NUM (0x03)
#define GPIO_INT_KEY5_PORT_NUM (0x03)
#define GPIO_INT_KEY5_PIN_NUM (0x16)
/* GPIO Driver board specific pin configuration structure */
GPIO_PinConfig gpioPinConfigs[] = {
/* Input pin with interrupt enabled : AM57X_IDK_GRN_LED */
//GPIO_DEVICE_CONFIG(GPIO_USER0_LED_PORT_NUM, GPIO_USER0_LED_PIN_NUM) |
//GPIO_CFG_IN_INT_RISING | GPIO_CFG_INPUT,
// 下降沿中断 按键5 *******////////
GPIO_DEVICE_CONFIG(GPIO_INT_KEY5_PORT_NUM, GPIO_INT_KEY5_PIN_NUM) |
GPIO_CFG_IN_INT_FALLING | GPIO_CFG_INPUT
/* Output pin : AM57X_IDK_YEL_LED */
GPIO_DEVICE_CONFIG(GPIO_USER1_LED_PORT_NUM, GPIO_USER1_LED_PIN_NUM) |
GPIO_CFG_OUTPUT ,
};
/* GPIO Driver call back functions */
GPIO_CallbackFxn gpioCallbackFunctions[] = {
NULL,
NULL
};
/* GPIO Driver configuration structure */
GPIO_v1_Config GPIO_v1_config = {
gpioPinConfigs,
gpioCallbackFunctions,
sizeof(gpioPinConfigs) / sizeof(GPIO_PinConfig),
sizeof(gpioCallbackFunctions) / sizeof(GPIO_CallbackFxn),
0x20,
};
在主程序中初始化板子、GPIO 、设置回调函数，使能中断。 但是就是无法进入中断， 去掉中断配置项测试，在KEY5按下时可以读到引脚的点评变化。请问是别的地方还需要配置什么么？
