初始化仓库

Header/PCA9685_driver.h

@@ -0,0 +1,40 @@
+#ifndef __PCA9685_DRIVER_H__
+#define __PCA9685_DRIVER_H__
+
+#include "common.h"
+
+#define PCA9685_I2C_ADDR 0x40 // PCA9685 I2C地址
+
+#define PCA9685_USE_SOFT_IIC 1 // 使用软件IIC
+
+#if PCA9685_USE_SOFT_IIC == 1
+
+#define PCA9685_SOFT_IIC_SCL_PIN   P1_5
+#define PCA9685_SOFT_IIC_SDA_PIN   P1_4
+
+#else
+
+#define PCA9685_I2C_SCL_PIN   IIC1_SCL_P15
+#define PCA9685_I2C_SDA_PIN   IIC1_SDA_P14
+
+#endif
+
+#define PCA9685_MODE1 0x00
+#define PCA9685_PRESCALE 0xFE
+#define PCA9685_LED0_ON_L 0x06
+#define PCA9685_LED0_ON_H 0x07
+#define PCA9685_LED0_OFF_L 0x08
+#define PCA9685_LED0_OFF_H 0x09 
+#define PCA9685_ALL_LED_ON_L 0xFA
+#define PCA9685_ALL_LED_ON_H 0xFB
+#define PCA9685_ALL_LED_OFF_L 0xFC
+#define PCA9685_ALL_LED_OFF_H 0xFD
+
+#define PCA9685_DEF_FREQ 50 // 默认频率为50Hz
+
+void pca9685_init();
+void pca9685_deinit();
+void pca9685_set_frequency(uint16 frequency);
+void pca9685_set_pwm(uint8 channel, uint16 on, uint16 off);
+
+#endif