1 files changed, 123 insertions, 0 deletions
diff --git a/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_pwm.c b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_pwm.c
new file mode 100644
index 0000000..3d885d8
--- /dev/null
+++ b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_pwm.c
@@ -0,0 +1,123 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : CH58x_pwm.c
+ * Author             : WCH
+ * Version            : V1.2
+ * Date               : 2021/11/17
+ * Description
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#include "CH58x_common.h"
+
+/*********************************************************************
+ * @fn      PWMX_CycleCfg
+ *
+ * @brief   PWM4-PWM11基准时钟配置
+ *
+ * @param   cyc     - refer to PWMX_CycleTypeDef
+ *
+ * @return  none
+ */
+void PWMX_CycleCfg(PWMX_CycleTypeDef cyc)
+{
+    switch(cyc)
+    {
+        case PWMX_Cycle_256:
+            R8_PWM_CONFIG = R8_PWM_CONFIG & 0xf0;
+            break;
+
+        case PWMX_Cycle_255:
+            R8_PWM_CONFIG = (R8_PWM_CONFIG & 0xf0) | 0x01;
+            break;
+
+        case PWMX_Cycle_128:
+            R8_PWM_CONFIG = (R8_PWM_CONFIG & 0xf0) | (1 << 2);
+            break;
+
+        case PWMX_Cycle_127:
+            R8_PWM_CONFIG = (R8_PWM_CONFIG & 0xf0) | (1 << 2) | 0x01;
+            break;
+
+        case PWMX_Cycle_64:
+            R8_PWM_CONFIG = (R8_PWM_CONFIG & 0xf0) | (2 << 2);
+            break;
+
+        case PWMX_Cycle_63:
+            R8_PWM_CONFIG = (R8_PWM_CONFIG & 0xf0) | (2 << 2) | 0x01;
+            break;
+
+        case PWMX_Cycle_32:
+            R8_PWM_CONFIG = (R8_PWM_CONFIG & 0xf0) | (3 << 2);
+            break;
+
+        case PWMX_Cycle_31:
+            R8_PWM_CONFIG = (R8_PWM_CONFIG & 0xf0) | (3 << 2) | 0x01;
+            break;
+
+        default:
+            break;
+    }
+}
+
+/*********************************************************************
+ * @fn      PWMX_ACTOUT
+ *
+ * @brief   PWM4-PWM11通道输出波形配置
+ *
+ * @param   ch      - select channel of pwm, refer to channel of PWM define
+ * @param   da      - effective pulse width
+ * @param   pr      - select wave polar, refer to PWMX_PolarTypeDef
+ * @param   s       - control pwmx function, ENABLE or DISABLE
+ *
+ * @return  none
+ */
+void PWMX_ACTOUT(uint8_t ch, uint8_t da, PWMX_PolarTypeDef pr, FunctionalState s)
+{
+    uint8_t i;
+
+    if(s == DISABLE)
+    {
+        R8_PWM_OUT_EN &= ~(ch);
+    }
+    else
+    {
+        (pr) ? (R8_PWM_POLAR |= (ch)) : (R8_PWM_POLAR &= ~(ch));
+        for(i = 0; i < 8; i++)
+        {
+            if((ch >> i) & 1)
+            {
+                *((volatile uint8_t *)((&R8_PWM4_DATA) + i)) = da;
+            }
+        }
+        R8_PWM_OUT_EN |= (ch);
+    }
+}
+
+/*********************************************************************
+ * @fn      PWMX_AlterOutCfg
+ *
+ * @brief   PWM 交替输出模式配置
+ *
+ * @param   ch      - select group of PWM alternate output
+ *                    RB_PWM4_5_STAG_EN     -  PWM4 和 PWM5 通道交替输出
+ *                    RB_PWM6_7_STAG_EN     -  PWM6 和 PWM7 通道交替输出
+ *                    RB_PWM8_9_STAG_EN     -  PWM8 和 PWM9 通道交替输出
+ *                    RB_PWM10_11_STAG_EN   -  PWM10 和 PWM11 通道交替输出
+ * @param   s       - control pwmx function, ENABLE or DISABLE
+ *
+ * @return  none
+ */
+void PWMX_AlterOutCfg(uint8_t ch, FunctionalState s)
+{
+    if(s == DISABLE)
+    {
+        R8_PWM_CONFIG &= ~(ch);
+    }
+    else
+    {
+        R8_PWM_CONFIG |= (ch);
+    }
+}