1 files changed, 36 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/pwm.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/pwm.c
new file mode 100644
index 000000000..15e4e6ecf
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/pwm.c
@@ -0,0 +1,36 @@
+/* Copyright 2020 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include <metal/machine.h>
+#include <metal/pwm.h>
+
+extern inline int metal_pwm_enable(struct metal_pwm *pwm);
+extern inline int metal_pwm_disable(struct metal_pwm *pwm);
+extern inline int metal_pwm_set_freq(struct metal_pwm *pwm, unsigned int idx,
+                                     unsigned int freq);
+extern inline int metal_pwm_set_duty(struct metal_pwm *pwm, unsigned int idx,
+                                     unsigned int duty,
+                                     metal_pwm_phase_correct_t phase_corr);
+extern inline unsigned int metal_pwm_get_duty(struct metal_pwm *pwm,
+                                              unsigned int idx);
+extern inline unsigned int metal_pwm_get_freq(struct metal_pwm *pwm,
+                                              unsigned int idx);
+extern inline int metal_pwm_trigger(struct metal_pwm *pwm, unsigned int idx,
+                                    metal_pwm_run_mode_t mode);
+extern inline int metal_pwm_stop(struct metal_pwm *pwm, unsigned int idx);
+extern inline int metal_pwm_cfg_interrupt(struct metal_pwm *pwm,
+                                          metal_pwm_interrupt_t flag);
+extern inline int metal_pwm_clr_interrupt(struct metal_pwm *pwm,
+                                          unsigned int idx);
+extern struct metal_interrupt *
+metal_pwm_interrupt_controller(struct metal_pwm *pwm);
+extern int metal_pwm_get_interrupt_id(struct metal_pwm *pwm, unsigned int idx);
+
+struct metal_pwm *metal_pwm_get_device(unsigned int device_num) {
+#if __METAL_DT_MAX_PWMS > 0
+    if (device_num < __METAL_DT_MAX_PWMS) {
+        return (struct metal_pwm *)__metal_pwm_table[device_num];
+    }
+#endif
+    return NULL;
+}