[bsp][Novosense] implemented EPWM driver

2026-10-02 14:23:19 +08:00 · 2026-06-23 08:01:02 +08:00
parent 5c230d5e81
commit 1870d83956
5 changed files with 838 additions and 1 deletions
@@ -35,6 +35,9 @@ if GetDepend('BSP_USING_WDT'):
    if GetDepend('BSP_USING_WWDG'):
        src += ['drv_wwdg.c']

+if GetDepend('BSP_USING_EPWM'):
+    src += ['drv_epwm.c']
+
 group = DefineGroup('HAL_Drivers', src, depend = [''], CPPPATH = path)

 Return('group')
@@ -0,0 +1,62 @@
+/**************************************************************************//**
+*
+* @copyright (C) 2026 Novosense Technology Corp. All rights reserved.
+*
+* SPDX-License-Identifier: Apache-2.0
+*
+* Change Logs:
+* Date            Author           Notes
+* 2026-6-15        Eric           First version
+*
+******************************************************************************/
+
+#ifndef __DRV_EPWM_H__
+#define __DRV_EPWM_H__
+
+#include <rtdef.h>
+
+/* custom command to configure phase */
+#define PWM_CMD_EXT_SET_SLAVE_PHASE     (RT_DEVICE_CTRL_BASE(PWM) + 99)
+
+#define EPWM_PIN_INFO(epwm_port_a, epwm_pin_a, pin_mux_a,   \
+                    epwm_port_b, epwm_pin_b, pin_mux_b)     \
+    {                                           \
+        .port_a = epwm_port_a,                  \
+        .pin_a = epwm_pin_a,                    \
+        .mux_a = pin_mux_a,                     \
+        .port_b = epwm_port_b,                  \
+        .pin_b = epwm_pin_b,                    \
+        .mux_b = pin_mux_b                      \
+    }
+
+#define EPWM_DRV_INIT(num, cnt_mode, clk_div, hs_clk_div)   \
+    {                                       \
+        .name = "epwm"#num ,                \
+        .instance = EPWM##num,              \
+        .count_mode = cnt_mode,             \
+        .clock_div = clk_div,               \
+        .hs_clock_div = hs_clk_div          \
+    }
+
+/**
+ *  @brief  EPWMx channel
+ */
+enum
+{
+    EPWMX_A = 0,
+    EPWMX_B
+};
+
+/**
+ *  @brief  EPWMx phase configuration
+ */
+struct rt_epwm_slave_phase_ext
+{
+    /*  EPWM master reference device,
+        slave pwm phase compare with this master devcie */
+    rt_device_t master_dev;
+    /* unit: degree, 0~360 */
+    rt_uint32_t phase_angle;
+};
+
+#endif
@@ -22,4 +22,27 @@ devices.wdt:
      - CONFIG_BSP_USING_WDT=y
      - CONFIG_BSP_USING_IWDG1=y
      - CONFIG_BSP_USING_IWDG2=y
-      - CONFIG_BSP_USING_WWDG=y
+      - CONFIG_BSP_USING_WWDG=y
+devices.epwm:
+    <<: *scons
+    kconfig:
+      - CONFIG_RT_USING_PWM=y
+      - CONFIG_BSP_USING_EPWM=y
+      - CONFIG_BSP_USING_EPWM1=y
+      - CONFIG_BSP_USING_EPWM2=y
+      - CONFIG_BSP_USING_EPWM3=y
+      - CONFIG_BSP_USING_EPWM4=y
+      - CONFIG_BSP_USING_EPWM5=y
+      - CONFIG_BSP_USING_EPWM6=y
+      - CONFIG_BSP_USING_EPWM7=y
+      - CONFIG_BSP_USING_EPWM8=y
+      - CONFIG_BSP_USING_EPWM9=y
+      - CONFIG_BSP_USING_EPWM10=y
+      - CONFIG_BSP_USING_EPWM11=y
+      - CONFIG_BSP_USING_EPWM12=y
+      - CONFIG_BSP_USING_EPWM13=y
+      - CONFIG_BSP_USING_EPWM14=y
+      - CONFIG_BSP_USING_EPWM15=y
+      - CONFIG_BSP_USING_EPWM16=y
+      - CONFIG_BSP_USING_EPWM17=y
+      - CONFIG_BSP_USING_EPWM18=y
@@ -229,4 +229,82 @@ menu "On-chip Peripheral Drivers"
                default n
        endif

+    menuconfig BSP_USING_EPWM
+        bool "Enable EPWM"
+        select RT_USING_PWM
+        default n
+        if BSP_USING_EPWM
+            config BSP_USING_EPWM1
+                bool "Enable EPWM1"
+                default n
+
+            config BSP_USING_EPWM2
+                bool "Enable EPWM2"
+                default n
+
+            config BSP_USING_EPWM3
+                bool "Enable EPWM3"
+                default n
+
+            config BSP_USING_EPWM4
+                bool "Enable EPWM4"
+                default n
+            
+            config BSP_USING_EPWM5
+                bool "Enable EPWM5"
+                default n
+
+            config BSP_USING_EPWM6
+                bool "Enable EPWM6"
+                default n
+
+            config BSP_USING_EPWM7
+                bool "Enable EPWM7"
+                default n
+
+            config BSP_USING_EPWM8
+                bool "Enable EPWM8"
+                default n
+
+            config BSP_USING_EPWM9
+                bool "Enable EPWM9"
+                default n
+
+            config BSP_USING_EPWM10
+                bool "Enable EPWM10"
+                default n
+
+            config BSP_USING_EPWM11
+                bool "Enable EPWM11"
+                default n
+
+            config BSP_USING_EPWM12
+                bool "Enable EPWM12"
+                default n
+
+            config BSP_USING_EPWM13
+                bool "Enable EPWM13"
+                default n
+
+            config BSP_USING_EPWM14
+                bool "Enable EPWM14"
+                default n
+
+            config BSP_USING_EPWM15
+                bool "Enable EPWM15"
+                default n
+
+            config BSP_USING_EPWM16
+                bool "Enable EPWM16"
+                default n
+
+            config BSP_USING_EPWM17
+                bool "Enable EPWM17"
+                default n
+
+            config BSP_USING_EPWM18
+                bool "Enable EPWM18"
+                default n
+        endif
+
 endmenu