#include #include "../../bsp/include/uart.h" #include "../../bsp/include/spi.h" #include "../../bsp/include/xprintf.h" #include "../../bsp/include/utils.h" #include "../../bsp/include/rvic.h" #include "../../bsp/include/pinmux.h" #include "../../bsp/include/sim_ctrl.h" #include "flash_n25q.h" #define BUFFER_SIZE (64) uint8_t program_data[BUFFER_SIZE]; uint8_t read_data[BUFFER_SIZE]; int main() { uint16_t i; n25q_id_t id; pinmux_set_io0_func(IO0_UART0_TX); pinmux_set_io3_func(IO3_UART0_RX); pinmux_set_io10_func(IO10_SPI_CLK); pinmux_set_io11_func(IO11_SPI_SS); pinmux_set_io12_func(IO12_SPI_DQ0); pinmux_set_io13_func(IO13_SPI_DQ1); pinmux_set_io14_func(IO14_SPI_DQ2); pinmux_set_io15_func(IO15_SPI_DQ3); uart0_init(uart0_putc); flash_n25q_init(5); xprintf("read ID through standard SPI mode\n"); id = flash_n25q_read_id(); xprintf("manf id = 0x%2x\n", id.manf_id); xprintf("mem type = 0x%2x\n", id.mem_type); xprintf("mem cap = 0x%2x\n", id.mem_cap); // 初始化要编程的数据 for (i = 0; i < BUFFER_SIZE; i++) program_data[i] = i; xprintf("start erase subsector...\n"); // 擦除第0个子扇区 flash_n25q_subsector_erase(0x00); xprintf("start program page...\n"); xprintf("program data: \n"); // 打印读出来的数据 for (i = 0; i < BUFFER_SIZE; i++) xprintf("0x%x\n", program_data[i]); // 编程第1页 flash_n25q_page_program(program_data, BUFFER_SIZE, 0x01); xprintf("start read page...\n"); // 读第1页 flash_n25q_read_data(read_data, BUFFER_SIZE, N25Q_PAGE_TO_ADDR(1)); xprintf("read data: \n"); // 打印读出来的数据 for (i = 0; i < BUFFER_SIZE; i++) xprintf("0x%x\n", read_data[i]); // 使能N25Q QSPI模式 flash_n25q_enable_quad_mode(1); // 使能SPI控制器QSPI模式 spi0_set_spi_mode(SPI_MODE_QUAD); xprintf("read ID through QUAD SPI mode\n"); id = flash_n25q_multi_io_read_id(); xprintf("manf id = 0x%2x\n", id.manf_id); xprintf("mem type = 0x%2x\n", id.mem_type); xprintf("mem cap = 0x%2x\n", id.mem_cap); // 失能N25Q QSPI模式 flash_n25q_enable_quad_mode(0); /* flash_n25q_set_dummy_clock_cycles(DUMMY_CNT_4_4_4 << 1); flash_n25q_enable_quad_mode(1); spi0_set_spi_mode(SPI_MODE_QUAD); flash_n25q_quad_fast_read(N25Q_PAGE_TO_ADDR(1), read_data, BUFFER_SIZE); xprintf("fast read data: \n"); for (i = 0; i < BUFFER_SIZE; i++) xprintf("0x%x\n", read_data[i]); flash_n25q_enable_quad_mode(0); */ while (1); }