123 lines
3.4 KiB
C
123 lines
3.4 KiB
C
#include <stdint.h>
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#include "../../bsp/include/uart.h"
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#include "../../bsp/include/spi.h"
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#include "../../bsp/include/xprintf.h"
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#include "../../bsp/include/utils.h"
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#include "../../bsp/include/rvic.h"
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#include "../../bsp/include/pinmux.h"
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#include "../../bsp/include/sim_ctrl.h"
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#include "../../bsp/include/flash_n25q.h"
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#define BUFFER_SIZE (64)
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uint8_t program_data[BUFFER_SIZE];
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uint8_t read_data[BUFFER_SIZE];
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// 标准三线SPI测试
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static void standard_spi_test()
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{
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uint16_t i;
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n25q_id_t id;
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xprintf("Standard SPI test started...\n");
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// 读flash ID
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id = flash_n25q_read_id(CMD_READ_ID);
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xprintf("manf id = 0x%2x\n", id.manf_id);
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xprintf("mem type = 0x%2x\n", id.mem_type);
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xprintf("mem cap = 0x%2x\n", id.mem_cap);
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// 初始化要编程的数据
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for (i = 0; i < BUFFER_SIZE; i++)
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program_data[i] = i;
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// 擦除第0个子扇区
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flash_n25q_subsector_erase(0);
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xprintf("program data: \n");
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// 打印读出来的数据
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for (i = 0; i < BUFFER_SIZE; i++)
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xprintf("0x%x\n", program_data[i]);
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// 编程第1页
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flash_n25q_page_program(program_data, BUFFER_SIZE, 1);
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// 读第1页
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flash_n25q_read(read_data, BUFFER_SIZE, N25Q_PAGE_TO_ADDR(1));
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xprintf("read data: \n");
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// 打印读出来的数据
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for (i = 0; i < BUFFER_SIZE; i++)
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xprintf("0x%x\n", read_data[i]);
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xprintf("Standard SPI test end...\n");
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}
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// QSPI测试
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static void quad_spi_test()
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{
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uint16_t i;
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n25q_id_t id;
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xprintf("\nQuad SPI test started...\n");
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flash_n25q_set_dummy_clock_cycles(DUMMY_CNT);
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// 使能N25Q QSPI模式
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flash_n25q_enable_quad_mode(1);
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// 使能SPI控制器QSPI模式
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spi_set_spi_mode(SPI0, SPI_MODE_QUAD);
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flash_n25q_set_spi_mode(SPI_MODE_QUAD);
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// 读flash ID
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id = flash_n25q_read_id(CMD_MULTI_IO_READ_ID);
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xprintf("manf id = 0x%2x\n", id.manf_id);
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xprintf("mem type = 0x%2x\n", id.mem_type);
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xprintf("mem cap = 0x%2x\n", id.mem_cap);
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// 初始化要编程的数据
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for (i = 0; i < BUFFER_SIZE; i++)
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program_data[i] = i;
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// 擦除第1个子扇区
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flash_n25q_subsector_erase(1);
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xprintf("program data: \n");
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// 打印读出来的数据
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for (i = 0; i < BUFFER_SIZE; i++)
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xprintf("0x%x\n", program_data[i]);
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// 编程第16页
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flash_n25q_page_program(program_data, BUFFER_SIZE, 16);
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// 读第16页
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flash_n25q_read(read_data, BUFFER_SIZE, N25Q_PAGE_TO_ADDR(16));
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xprintf("read data: \n");
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// 打印读出来的数据
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for (i = 0; i < BUFFER_SIZE; i++)
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xprintf("0x%x\n", read_data[i]);
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// 失能N25Q QSPI模式
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flash_n25q_enable_quad_mode(0);
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spi_set_spi_mode(SPI0, SPI_MODE_STANDARD);
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flash_n25q_set_spi_mode(SPI_MODE_STANDARD);
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xprintf("Quad SPI test end...\n");
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}
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int main()
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{
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// UART引脚配置
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pinmux_set_io0_func(IO0_UART0_TX);
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pinmux_set_io3_func(IO3_UART0_RX);
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// SPI引脚配置
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pinmux_set_io10_func(IO10_SPI_CLK);
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pinmux_set_io11_func(IO11_SPI_SS);
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pinmux_set_io12_func(IO12_SPI_DQ0);
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pinmux_set_io13_func(IO13_SPI_DQ1);
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pinmux_set_io14_func(IO14_SPI_DQ2);
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pinmux_set_io15_func(IO15_SPI_DQ3);
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uart_init(UART0, uart0_putc);
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flash_n25q_init(SPI0, 5);
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standard_spi_test();
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quad_spi_test();
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while (1);
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}
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