From cc432b761c884a0bd8e9d83db0a4e26109fc08b1 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期五, 08 十一月 2024 15:35:38 +0800
Subject: [PATCH] 安邦手环GPS删除部分无用数据和修改4G波特率9600出厂测试固件
---
keil/include/drivers/mk_pwm.c | 183 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 183 insertions(+), 0 deletions(-)
diff --git a/keil/include/drivers/mk_pwm.c b/keil/include/drivers/mk_pwm.c
new file mode 100644
index 0000000..186ba54
--- /dev/null
+++ b/keil/include/drivers/mk_pwm.c
@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and
+ * its subsidiaries and affiliates (collectly called MKSEMI).
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into an MKSEMI
+ * integrated circuit in a product or a software update for such product,
+ * must reproduce the above copyright notice, this list of conditions and
+ * the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of MKSEMI nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ * MKSEMI integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be
+ * reverse engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "mk_pwm.h"
+#include "mk_trace.h"
+#include "mk_clock.h"
+#include "mk_reset.h"
+
+static struct PWM_HANDLE_T pwm_handle = {
+ .base = PWM,
+ .irq = PWM_IRQn,
+ .general_prescale = 0,
+ .int_en = false,
+ .callback = NULL,
+};
+
+int pwm_open(struct PWM_CFG_T *config)
+{
+ // enable PWM clock
+ clock_enable(CLOCK_PWM);
+ reset_module(RESET_MODULE_PWM);
+
+ if (config)
+ {
+ pwm_handle.general_prescale = config->general_prescale;
+ pwm_handle.int_en = config->int_en;
+ pwm_handle.callback = config->callback;
+ }
+
+ pwm_handle.base->CTRL = PWM_CTRL_GEN_PRESCALER(pwm_handle.general_prescale) | PWM_CTRL_GEN_PRESCALER_EN_MSK;
+
+#if PWM_INT_MODE_EN
+ if (pwm_handle.int_en)
+ {
+ NVIC_SetPriority(pwm_handle.irq, IRQ_PRIORITY_NORMAL);
+ NVIC_ClearPendingIRQ(pwm_handle.irq);
+ NVIC_EnableIRQ(pwm_handle.irq);
+ }
+#endif
+
+ return DRV_OK;
+}
+
+int pwm_close(void)
+{
+ // disable PWM
+ pwm_handle.base->CTRL &= ~(PWM_CTRL_ALL_EN_MSK | PWM_CTRL_ALL_INT_EN_MSK);
+
+ // disable PWM clock
+ clock_disable(CLOCK_PWM);
+
+#if PWM_INT_MODE_EN
+ if (pwm_handle.int_en)
+ {
+ NVIC_DisableIRQ(pwm_handle.irq);
+ NVIC_ClearPendingIRQ(pwm_handle.irq);
+ }
+#endif
+
+ return DRV_OK;
+}
+
+int pwm_ch_enable(enum PWM_CH_T id, const struct PWM_CH_CFG_T *cfg)
+{
+ if ((id >= PWM_MAX_NUM) || (cfg == NULL))
+ {
+ return DRV_ERROR;
+ }
+
+ // configuration
+ uint32_t val = PWM_PRESCALER(cfg->prescale) | PWM_WAVEFORM(cfg->waveform) | PWM_COUNTER(cfg->ratio * 255U / 100U);
+ pwm_handle.base->CFG[id] = val;
+
+ // phase
+ if (id == PWM_ID0)
+ {
+ pwm_handle.base->PHASE[0] |= PWM_PHASE_PWM0_COUNTER(cfg->phase * 255U / 360U);
+ }
+ else if (id == PWM_ID1)
+ {
+ pwm_handle.base->PHASE[0] |= PWM_PHASE_PWM1_COUNTER(cfg->phase * 255U / 360U);
+ }
+ else if (id == PWM_ID2)
+ {
+ pwm_handle.base->PHASE[1] |= PWM_PHASE_PWM2_COUNTER(cfg->phase * 255U / 360U);
+ }
+ else if (id == PWM_ID3)
+ {
+ pwm_handle.base->PHASE[1] |= PWM_PHASE_PWM3_COUNTER(cfg->phase * 255U / 360U);
+ }
+
+ // enable
+ val = pwm_handle.base->CTRL;
+
+ if (cfg->pol_inv)
+ {
+ val |= PWM_CTRL_PWM0_POL_INV_MSK << id;
+ }
+ else
+ {
+ val &= ~(PWM_CTRL_PWM0_POL_INV_MSK << id);
+ }
+
+ if (cfg->int_en)
+ {
+ val |= PWM_CTRL_PWM0_INT_EN_MSK << id;
+ }
+ else
+ {
+ val &= ~(PWM_CTRL_PWM0_INT_EN_MSK << id);
+ }
+ val |= (PWM_CTRL_PWM0_EN_MSK << id);
+ pwm_handle.base->CTRL = val;
+
+ return DRV_OK;
+}
+
+int pwm_ch_disable(enum PWM_CH_T id)
+{
+ if (id >= PWM_MAX_NUM)
+ {
+ return DRV_ERROR;
+ }
+
+ // disable PWM
+ pwm_handle.base->CTRL &= ~((PWM_CTRL_PWM0_EN_MSK | PWM_CTRL_PWM0_INT_EN_MSK) << id);
+
+ return DRV_OK;
+}
+
+void PWM_IRQHandler(void)
+{
+#if PWM_INT_MODE_EN
+ uint32_t int_stat = pwm_handle.base->INTR_STATUS;
+ // clear interrupt status
+ pwm_handle.base->INTR_CLR = int_stat;
+
+ for (uint8_t i = 0; i < PWM_MAX_NUM; i++)
+ {
+ if ((int_stat & (1U << i)) && (pwm_handle.callback))
+ {
+ pwm_handle.callback(&i, 0);
+ }
+ }
+#endif
+}
--
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