200 lines
7.1 KiB
C
200 lines
7.1 KiB
C
/*!
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\file main.c
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\brief SQPI psram example
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\version 2021-10-30, V1.0.0, firmware for GD32W51x
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*/
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/*
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Copyright (c) 2021, GigaDevice Semiconductor Inc.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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*/
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#include "gd32w51x.h"
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#include <stdio.h>
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#define BUFFERSIZE 256
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uint32_t device_id[2];
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uint8_t rxbuffer[BUFFERSIZE];
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uint8_t txbuffer[BUFFERSIZE]={
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0x4F,0x08,0x10,0x70,0x47,0x51,0xC6,0x54,0x1A,0x68,0x95,0xBE,0xFC,0x7C,0x53,0x9E,
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0x67,0xD0,0x66,0x8B,0x3D,0x79,0x01,0xB2,0x7E,0xE7,0x86,0x6D,0xEE,0xD9,0x7C,0x50,
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0x61,0xAA,0x22,0x68,0x5E,0x39,0x7C,0x8C,0x69,0x7C,0x27,0x1F,0x14,0x77,0x2B,0x83,
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0xED,0x7A,0xD1,0xE5,0x46,0xF4,0x00,0x7E,0x81,0x2A,0x4F,0xD4,0x75,0x51,0xF8,0xB1,
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0x59,0x23,0x59,0x5A,0x63,0x18,0x79,0xA6,0xC9,0x28,0x87,0x40,0x69,0x62,0xDF,0x00,
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0xA0,0x3E,0x88,0x8F,0x91,0x6E,0x9C,0x28,0xFB,0xA7,0x51,0xCC,0xCF,0x83,0x58,0xE6,
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0x28,0x90,0x47,0xBF,0x86,0x97,0x5E,0x4C,0xAE,0x9E,0xC3,0xC4,0xD6,0xB4,0x1C,0x5B,
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0x85,0xE4,0x15,0x43,0x5D,0x6A,0x05,0x73,0xDA,0xD2,0xE3,0x8E,0xB6,0xA2,0x33,0x7F,
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0x4F,0x08,0x10,0x70,0x47,0x51,0xC6,0x54,0x1A,0x68,0x95,0xBE,0xFC,0x7C,0x53,0x9E,
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0x67,0xD0,0x66,0x8B,0x3D,0x79,0x01,0xB2,0x7E,0xE7,0x86,0x6D,0xEE,0xD9,0x7C,0x50,
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0x61,0xAA,0x22,0x68,0x5E,0x39,0x7C,0x8C,0x69,0x7C,0x27,0x1F,0x14,0x77,0x2B,0x83,
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0xED,0x7A,0xD1,0xE5,0x46,0xF4,0x00,0x7E,0x81,0x2A,0x4F,0xD4,0x75,0x51,0xF8,0xB1,
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0x59,0x23,0x59,0x5A,0x63,0x18,0x79,0xA6,0xC9,0x28,0x87,0x40,0x69,0x62,0xDF,0x00,
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0xA0,0x3E,0x88,0x8F,0x91,0x6E,0x9C,0x28,0xFB,0xA7,0x51,0xCC,0xCF,0x83,0x58,0xE6,
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0x28,0x90,0x47,0xBF,0x86,0x97,0x5E,0x4C,0xAE,0x9E,0xC3,0xC4,0xD6,0xB4,0x1C,0x5B,
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0x85,0xE4,0x15,0x43,0x5D,0x6A,0x05,0x73,0xDA,0xD2,0xE3,0x8E,0xB6,0xA2,0x33,0x7F,
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};
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ErrStatus memory_compare(uint8_t* src, uint8_t* dst, uint16_t length);
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void sqpi_reset(void);
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void sqpi_gpio_config(void);
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void sqpi_config(void);
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/**
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* @brief Main program
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* @param None
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* @retval None
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*/
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int main(void)
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{
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/* initilize SQPI */
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sqpi_gpio_config();
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sqpi_config();
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sqpi_reset();
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/* Read ID command provides information of vendor ID, known-good-die, device density, and manufacturing
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ID. It can be executed under the following 2 conditions:
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1. Run it as the first operation after power up and before any other commands being executed.
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2. Issue a memory read command with address = 0x00000 first, then Read ID command or Issue a pre-condition of dummy read id, then Read ID command. */
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/* Read ID command : 0x9F*/
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sqpi_read_command_config(SQPI_MODE_SSS, 0, 0x9F);
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sqpi_read_id_command();
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sqpi_read_id_command();
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device_id[0] = sqpi_low_id_receive();
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device_id[1] = sqpi_high_id_receive();
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if ((device_id[1]&0xFFFF0000) != 0x0D5D0000){
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while(1);
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}
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/* Enter Quad mode : 0x35*/
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sqpi_write_command_config(SQPI_MODE_SSS, 0, 0x35);
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sqpi_special_command();
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/* QUAD Write command : 0x38*/
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sqpi_write_command_config(SQPI_MODE_QQQ,0,0x38);
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for(uint32_t i = 0;i < BUFFERSIZE;i++)
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{
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*(uint8_t *)(SQPI_LOGIC_ADDR + i) = txbuffer[i];
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}
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/* QUAD Read command : 0xEB*/
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sqpi_read_command_config(SQPI_MODE_QQQ, 6, 0xEB);
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for(uint32_t i = 0;i < BUFFERSIZE;i++)
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{
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rxbuffer[i]=*(uint8_t *)(SQPI_LOGIC_ADDR+i);
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}
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/* Exit Quad mode : 0x35*/
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sqpi_write_command_config(SQPI_MODE_QQQ, 0, 0xF5);
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sqpi_special_command();
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/* check */
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memory_compare(txbuffer, rxbuffer, BUFFERSIZE);
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while(1){
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}
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}
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/*!
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\brief SQPI PSARAM reset
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\param[in] none
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\param[out] none
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\retval none
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*/
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void sqpi_reset(void)
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{
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sqpi_write_command_config(SQPI_MODE_QQQ, 0, 0x66);
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sqpi_special_command();
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sqpi_write_command_config(SQPI_MODE_QQQ, 0, 0x99);
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sqpi_special_command();
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sqpi_write_command_config(SQPI_MODE_SSS, 0, 0x66);
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sqpi_special_command();
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sqpi_write_command_config(SQPI_MODE_SSS, 0, 0x99);
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sqpi_special_command();
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}
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/*!
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\brief SQPI GPIO configuration
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\param[in] none
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\param[out] none
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\retval none
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*/
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void sqpi_gpio_config(void)
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{
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rcu_periph_clock_enable(RCU_GPIOA);
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rcu_periph_clock_enable(RCU_GPIOB);
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gpio_mode_set(GPIOA,GPIO_MODE_AF,GPIO_PUPD_NONE,GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);
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gpio_output_options_set(GPIOA,GPIO_OTYPE_PP,GPIO_OSPEED_25MHZ,GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);
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gpio_mode_set(GPIOB,GPIO_MODE_AF,GPIO_PUPD_NONE,GPIO_PIN_3|GPIO_PIN_4);
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gpio_output_options_set(GPIOB,GPIO_OTYPE_PP,GPIO_OSPEED_25MHZ,GPIO_PIN_3|GPIO_PIN_4);
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gpio_af_set(GPIOA,GPIO_AF_3,GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11);
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gpio_af_set(GPIOA,GPIO_AF_8,GPIO_PIN_12);
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gpio_af_set(GPIOB,GPIO_AF_8,GPIO_PIN_3|GPIO_PIN_4);
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}
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/*!
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\brief SQPI parameter configuration
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\param[in] none
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\param[out] none
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\retval none
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*/
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void sqpi_config(void)
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{
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sqpi_parameter_struct sqpi_para;
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rcu_periph_clock_enable(RCU_SQPI);
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/* SQPI parameter config */
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sqpi_para.addr_bit = 24;
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sqpi_para.clk_div = 4;
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sqpi_para.cmd_bit = SQPI_CMDBIT_8_BITS;
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sqpi_para.id_length = SQPI_ID_LENGTH_64_BITS;
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sqpi_para.polarity = SQPI_SAMPLE_POLARITY_FALLING;
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sqpi_init( &sqpi_para);
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}
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/*!
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\brief memory compare function
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\param[in] src: source data pointer
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\param[in] dst: destination data pointer
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\param[in] length: the compare data length
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\param[out] none
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\retval ErrStatus : ERROR or SUCCESS
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*/
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ErrStatus memory_compare(uint8_t* src, uint8_t* dst, uint16_t length)
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{
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while (length--){
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if (*src++ != *dst++)
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return ERROR;
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}
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return SUCCESS;
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}
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