[Add] First commit

2023-05-18 18:53:00 +08:00
commit 179cffc2c1
6607 changed files with 2163514 additions and 0 deletions
--- a/NSPE/Example/DMA/switch_buffer_mode/main.c
+++ b/NSPE/Example/DMA/switch_buffer_mode/main.c
@ -0,0 +1,142 @@
+/*!
+    \file    main.c
+    \brief   DMA transfer data with switch buffer mode
+
+    \version 2021-10-30, V1.0.0, firmware for GD32W51x
+*/
+
+/*
+    Copyright (c) 2021, GigaDevice Semiconductor Inc.
+
+    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 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 the copyright holder nor the names of its contributors 
+       may be used to endorse or promote products derived from this software without 
+       specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "gd32w51x.h"
+#include <stdio.h>
+#include "gd32w515p_eval.h"
+
+#define GPIOB_OCTL           0x40020414
+
+static void led_config(void);
+static void dma_config(void);
+static void timer_config(void);
+
+uint8_t buffer1 = 0xFF;
+uint8_t buffer2 = 0x00;
+
+/*!
+    \brief      main function
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+int main(void)
+{
+    led_config();
+    dma_config();
+    timer_config();
+
+    while(1);
+}
+
+/*!
+    \brief      configure the LED
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+static void led_config()
+{
+    /* LED initialize */
+    gd_eval_led_init(LED1);
+}
+
+/*!
+    \brief      configure the DMA peripheral
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+static void dma_config(void)
+{
+    dma_single_data_parameter_struct dma_init_parameter;
+    dma_single_data_para_struct_init(&dma_init_parameter);
+
+    /* peripheral clock enable */
+    rcu_periph_clock_enable(RCU_DMA0);
+
+    /* DMA peripheral configure */
+    dma_deinit(DMA0,DMA_CH7);
+
+    dma_init_parameter.periph_addr = (uint32_t)(GPIOB_OCTL);
+    dma_init_parameter.periph_memory_width = DMA_PERIPH_WIDTH_8BIT;
+    dma_init_parameter.periph_inc = DMA_PERIPH_INCREASE_DISABLE;
+    dma_init_parameter.memory0_addr = (uint32_t)(&buffer1);
+    dma_init_parameter.memory_inc = DMA_MEMORY_INCREASE_DISABLE;
+    dma_init_parameter.circular_mode = DMA_CIRCULAR_MODE_ENABLE;
+    dma_init_parameter.direction = DMA_MEMORY_TO_PERIPH;
+    dma_init_parameter.number = 1;
+    dma_init_parameter.priority = DMA_PRIORITY_ULTRA_HIGH;
+    dma_single_data_mode_init(DMA0, DMA_CH7, &dma_init_parameter);
+
+    dma_channel_subperipheral_select(DMA0, DMA_CH7, DMA_SUBPERI3);
+
+    dma_switch_buffer_mode_config(DMA0, DMA_CH7, (uint32_t)(&buffer2), DMA_MEMORY_1);
+    dma_switch_buffer_mode_enable(DMA0, DMA_CH7, ENABLE);
+
+    dma_channel_enable(DMA0, DMA_CH7);
+}
+
+/*!
+    \brief      configure the TIMER peripheral
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+static void timer_config(void)
+{
+    timer_parameter_struct timer_initpara;
+
+    rcu_periph_clock_enable(RCU_TIMER1);
+    rcu_timer_clock_prescaler_config(RCU_TIMER_PSC_MUL4);
+
+    timer_deinit(TIMER1);
+    timer_struct_para_init(&timer_initpara);
+
+    /* TIMER1 configuration */
+    timer_initpara.prescaler         = 1999;
+    timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
+    timer_initpara.counterdirection  = TIMER_COUNTER_UP;
+    timer_initpara.period            = 49999;
+    timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
+    timer_initpara.repetitioncounter = 0;
+    timer_init(TIMER1,&timer_initpara);
+
+    /* TIMER0 update DMA request enable */
+    timer_dma_enable(TIMER1,TIMER_DMA_UPD);
+    /* auto-reload preload enable */
+    timer_auto_reload_shadow_disable(TIMER1);
+    /* auto-reload preload enable */
+    timer_enable(TIMER1);
+}