hm
cbad06d616
- 将 touch 底层从软件 I2C 位冲切换为硬件 I2C0 (PB6/PB7) - 修复 i2c_driver I2C0 引脚映射 (PB8/PB9 -> PB6/PB7) - 重写 master_write_read() 实现正确的重复起始条件 - 添加 i2c_driver.h C API 声明供 C 代码调用 - 添加 GT1151 EXTI 中断 (PD11, EXTI11 下降沿触发) - 删除 touch.h 中废弃的软件 I2C 函数声明 - test_touch() 改为中断驱动，无触摸时 I2C 总线空闲
561 lines
16 KiB
C++
561 lines
16 KiB
C++
#include "gd32f4xx.h"
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#include "hardware_init.h"
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#include "led_driver.h"
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#include "uart_driver.h"
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#include "systick.h"
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#include "sdram_manager.h"
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#include "flash_manager.h"
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#include "lcd.h"
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#include "touch.h"
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#include <cstdio>
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#include <cstring>
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// SDRAM 中分配的测试缓冲区
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__attribute__((section(".sdram"))) uint8_t sdram_big_buffer[1024 * 1024];
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// =============================================================
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// 板级引脚定义
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// =============================================================
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#define LED1_PORT GPIOE
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#define LED1_PIN GPIO_PIN_3
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#define LED2_PORT GPIOD
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#define LED2_PIN GPIO_PIN_7
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#define LED3_PORT GPIOG
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#define LED3_PIN GPIO_PIN_3
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#define LED4_PORT GPIOA
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#define LED4_PIN GPIO_PIN_5
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// =============================================================
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// 早期启动函数（16MHz，无 SysTick）
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// =============================================================
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static void delay_16m(uint32_t ms)
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{
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for (volatile uint32_t i = 0; i < ms * 4000U; i++);
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}
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static void led_on(uint32_t port, uint32_t pin)
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{
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gpio_bit_set(port, pin);
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}
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static void led_off(uint32_t port, uint32_t pin)
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{
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gpio_bit_reset(port, pin);
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}
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static void led_pattern(uint8_t p)
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{
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led_off(LED1_PORT, LED1_PIN);
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led_off(LED2_PORT, LED2_PIN);
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led_off(LED3_PORT, LED3_PIN);
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led_off(LED4_PORT, LED4_PIN);
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if (p & 0x01) led_on(LED1_PORT, LED1_PIN);
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if (p & 0x02) led_on(LED2_PORT, LED2_PIN);
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if (p & 0x04) led_on(LED3_PORT, LED3_PIN);
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if (p & 0x08) led_on(LED4_PORT, LED4_PIN);
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}
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static void init_leds(void)
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{
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rcu_periph_clock_enable(RCU_GPIOA);
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rcu_periph_clock_enable(RCU_GPIOE);
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rcu_periph_clock_enable(RCU_GPIOG);
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rcu_periph_clock_enable(RCU_GPIOD);
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gpio_mode_set(LED1_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED1_PIN);
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gpio_output_options_set(LED1_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED1_PIN);
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gpio_mode_set(LED2_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED2_PIN);
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gpio_output_options_set(LED2_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED2_PIN);
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gpio_mode_set(LED3_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED3_PIN);
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gpio_output_options_set(LED3_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED3_PIN);
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gpio_mode_set(LED4_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED4_PIN);
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gpio_output_options_set(LED4_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED4_PIN);
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led_off(LED1_PORT, LED1_PIN);
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led_off(LED2_PORT, LED2_PIN);
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led_off(LED3_PORT, LED3_PIN);
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led_off(LED4_PORT, LED4_PIN);
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}
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static void init_usart0(void)
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{
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rcu_periph_clock_enable(RCU_GPIOA);
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rcu_periph_clock_enable(RCU_USART0);
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gpio_af_set(GPIOA, GPIO_AF_7, GPIO_PIN_9 | GPIO_PIN_10);
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gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_9 | GPIO_PIN_10);
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gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_9);
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usart_deinit(USART0);
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usart_baudrate_set(USART0, 9600U);
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usart_receive_config(USART0, USART_RECEIVE_ENABLE);
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usart_transmit_config(USART0, USART_TRANSMIT_ENABLE);
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usart_enable(USART0);
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}
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static void uart_putchar(char c)
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{
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usart_data_transmit(USART0, (uint8_t)c);
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while (RESET == usart_flag_get(USART0, USART_FLAG_TBE));
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}
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static void uart_puts(const char *s)
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{
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while (*s) uart_putchar(*s++);
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}
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static void uart_putdec(uint32_t val)
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{
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char buf[16];
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int idx = 0;
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if (val == 0) { uart_puts("0"); return; }
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while (val > 0) { buf[idx++] = '0' + (val % 10); val /= 10; }
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while (idx > 0) uart_putchar(buf[--idx]);
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}
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// 时钟切换到 168MHz 后重新配置 UART 波特率
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static void reinit_usart0_168m(void)
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{
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usart_deinit(USART0);
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usart_baudrate_set(USART0, 9600U);
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usart_receive_config(USART0, USART_RECEIVE_ENABLE);
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usart_transmit_config(USART0, USART_TRANSMIT_ENABLE);
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usart_enable(USART0);
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}
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// =============================================================
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// 外设测试函数
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// =============================================================
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static void test_sdram_driver(void)
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{
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printf("SDRAM 驱动测试开始...\r\n");
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SdramManager &sdram = SdramManager::instance();
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RetCode ret = sdram.init();
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if (ret != RET_OK) {
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printf(" SDRAM 初始化失败: 错误码=%d\r\n", ret);
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return;
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}
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printf(" 诊断1: 直接16位指针读写...\r\n");
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volatile uint16_t *sram16 = (volatile uint16_t *)0xC0000000;
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for (uint32_t i = 0; i < 8; i++)
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sram16[i] = (uint16_t)(0xAA00 + i);
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__DSB();
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delay_1ms(1);
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bool diag1_ok = true;
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for (uint32_t i = 0; i < 8; i++) {
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uint16_t val = sram16[i];
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uint16_t expected = (uint16_t)(0xAA00 + i);
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if (val != expected) {
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printf(" 16位错误 @ [%lu]: 期望=0x%04X, 读取=0x%04X\r\n", i, expected, val);
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diag1_ok = false;
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}
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}
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printf(" 诊断1: %s\r\n", diag1_ok ? "通过" : "失败");
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printf(" 诊断2: 直接32位指针非零值测试...\r\n");
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volatile uint32_t *sram32 = (volatile uint32_t *)0xC0000000;
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sram32[0] = 0xDEADBEEF;
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sram32[1] = 0xCAFEBABE;
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sram32[2] = 0x12345678;
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sram32[3] = 0x87654321;
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__DSB();
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delay_1ms(1);
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bool diag2_ok = true;
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for (uint32_t i = 0; i < 4; i++) {
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uint32_t val = sram32[i];
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uint32_t expected = (i == 0) ? 0xDEADBEEF : (i == 1) ? 0xCAFEBABE
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: (i == 2) ? 0x12345678 : 0x87654321;
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if (val != expected) {
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printf(" 32位错误 @ [%lu]: 期望=0x%08lX, 读取=0x%08lX\r\n", i, expected, val);
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diag2_ok = false;
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}
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}
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printf(" 诊断2: %s\r\n", diag2_ok ? "通过" : "失败");
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printf(" 诊断3: 驱动接口读写...\r\n");
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uint32_t write_val = 0xA5A55A5A;
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uint32_t read_val = 0;
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ret = sdram.write(64, &write_val, sizeof(write_val));
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if (ret != RET_OK) {
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printf(" 驱动写入失败: %d\r\n", ret);
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} else {
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__DSB();
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ret = sdram.read(64, &read_val, sizeof(read_val));
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if (ret != RET_OK)
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printf(" 驱动读取失败: %d\r\n", ret);
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else
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printf(" 写入=0x%08lX, 读取=0x%08lX, %s\r\n",
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write_val, read_val,
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(write_val == read_val) ? "通过" : "失败");
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}
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printf("SDRAM 驱动测试完成\r\n");
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}
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static void test_flash_driver(void)
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{
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printf("Flash 驱动测试开始...\r\n");
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FlashManager &flash = FlashManager::instance();
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RetCode ret = flash.init();
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if (ret != RET_OK) {
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printf(" Flash 初始化失败: %d\r\n", ret);
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return;
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}
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printf(" Flash 信息: 总大小=%lu KB, 扇区大小=%lu KB\r\n",
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flash.total_size() / 1024, flash.sector_size() / 1024);
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uint32_t test_address = 0x08000000U + flash.total_size() - flash.sector_size();
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printf(" 测试地址: 0x%08lX\r\n", test_address);
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uint8_t write_buffer[256];
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uint8_t read_buffer[256];
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for (int i = 0; i < 256; i++)
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write_buffer[i] = (uint8_t)((i + 0x80) & 0xFF);
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printf(" 擦除 Flash 扇区...\r\n");
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ret = flash.erase(test_address, flash.sector_size());
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if (ret != RET_OK) { printf(" Flash 擦除失败: 错误码=%d\r\n", ret); return; }
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printf(" Flash 擦除成功\r\n");
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printf(" 写入 Flash 数据...\r\n");
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ret = flash.write(test_address, write_buffer, sizeof(write_buffer));
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if (ret != RET_OK) { printf(" Flash 写入失败: %d\r\n", ret); return; }
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printf(" Flash 写入成功\r\n");
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printf(" 读取 Flash 数据...\r\n");
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ret = flash.read(test_address, read_buffer, sizeof(read_buffer));
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if (ret != RET_OK) { printf(" Flash 读取失败: %d\r\n", ret); return; }
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printf(" Flash 读取成功\r\n");
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bool verify_ok = true;
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for (int i = 0; i < 256; i++) {
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if (read_buffer[i] != write_buffer[i]) {
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verify_ok = false;
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printf(" 数据错误 @ %d: 写入=%02X, 读取=%02X\r\n", i, write_buffer[i], read_buffer[i]);
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break;
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}
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}
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if (verify_ok) printf(" Flash 数据验证成功\r\n");
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ret = flash.self_test(256);
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if (ret == RET_OK) printf(" Flash 自测试通过\r\n");
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else printf(" Flash 自测试失败: %d\r\n", ret);
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printf("Flash 驱动测试完成\r\n");
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}
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static void test_lcd(void)
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{
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printf("\r\n===== LCD 功能测试 =====\r\n");
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printf(" LCD_Init...\r\n");
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LCD_Init();
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printf(" LCD ID: %s\r\n", lcd_id);
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delay_1ms(500);
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uint16_t bands[4] = {RED, GREEN, BLUE, WHITE};
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for (int i = 0; i < 4; i++) {
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int y0 = i * 200;
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int y1 = y0 + 199;
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BlockWrite(0, 479, y0, y1);
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LCD_WriteRAM_Prepare();
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for (int p = 0; p < 480 * 200; p++)
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LCD_WriteRAM(bands[i]);
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__DSB();
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}
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delay_1ms(3000);
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printf(" LCD_Clear(BLACK)\r\n");
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LCD_Clear(BLACK);
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delay_1ms(500);
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printf(" LCD_Clear(RED)\r\n");
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LCD_Clear(RED);
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delay_1ms(500);
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printf("LCD 测试完成\r\n");
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delay_1ms(2000);
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}
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static void test_sdram_after_lcd(void)
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{
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printf("\r\n===== SDRAM 数据保持验证 (LCD 操作后) =====\r\n");
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bool ok = true;
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volatile uint16_t *sram16 = (volatile uint16_t *)0xC0000000;
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for (uint32_t i = 0; i < 8; i++) {
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uint16_t val = sram16[i];
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uint16_t expected = (uint16_t)(0xAA00 + i);
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if (val != expected) {
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printf(" 16位错误 @ [%lu]: 期望=0x%04X, 读取=0x%04X\r\n", i, expected, val);
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ok = false;
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}
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}
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volatile uint32_t *sram32 = (volatile uint32_t *)0xC0000000;
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uint32_t expected_32[4] = {0xDEADBEEF, 0xCAFEBABE, 0x12345678, 0x87654321};
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for (uint32_t i = 0; i < 4; i++) {
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uint32_t val = sram32[i];
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if (val != expected_32[i]) {
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printf(" 32位错误 @ [%lu]: 期望=0x%08lX, 读取=0x%08lX\r\n", i, expected_32[i], val);
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ok = false;
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}
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}
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printf(" SDRAM 数据保持: %s\r\n", ok ? "通过 (LCD 未影响 SDRAM)" : "失败");
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}
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static void concurrent_loop(void)
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{
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printf("\r\n===== 全部外设并发运行 =====\r\n");
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LCD_Clear(GREEN);
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delay_1ms(500);
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uint32_t counter = 0;
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volatile uint16_t *sram16 = (volatile uint16_t *)0xC0000000;
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for (int iter = 0; iter < 10; iter++) {
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led_on(LED1_PORT, LED1_PIN);
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led_off(LED2_PORT, LED2_PIN);
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sram16[100 + iter] = (uint16_t)(iter * 0x1111);
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__DSB();
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uint16_t val = sram16[100 + iter];
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printf("[并发] iter=%d, SDRAM[%d]=0x%04X, LED1=ON\r\n", iter, 100 + iter, val);
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delay_1ms(500);
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led_off(LED1_PORT, LED1_PIN);
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led_on(LED2_PORT, LED2_PIN);
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sram16[200 + iter] = (uint16_t)(iter * 0x2222);
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__DSB();
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val = sram16[200 + iter];
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printf("[并发] iter=%d, SDRAM[%d]=0x%04X, LED2=ON\r\n", iter, 200 + iter, val);
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delay_1ms(500);
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counter += 2;
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}
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printf("\r\n===== 并发测试完成 =====\r\n");
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LCD_Clear(BLUE);
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delay_1ms(1000);
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}
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// =============================================================
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// Touch 测试
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// =============================================================
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static void test_touch(void)
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{
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printf("\r\n===== Touch 测试 (中断驱动) =====\r\n");
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uint8_t ret = GT1151_Init();
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if (ret != 0)
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{
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printf(" Touch 初始化失败 (ret=%d)\r\n", ret);
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return;
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}
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printf(" Touch 初始化成功，等待触摸中断...\r\n");
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LCD_Clear(0x0841);
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POINT_COLOR = CYAN;
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LCD_ShowString(10, 10, 460, 24, 16, 0, (uint8_t *)"=== Touch Test (IRQ) ===");
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POINT_COLOR = WHITE;
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LCD_ShowString(10, 35, 460, 24, 16, 0, (uint8_t *)"Touch screen now");
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LCD_ShowString(10, 55, 300, 24, 16, 0, (uint8_t *)"IRQ driven, watch UART");
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LCD_ShowString(10, 75, 200, 24, 16, 0, (uint8_t *)"X:0 Y:0");
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uint16_t last_x = 0xFFFF;
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uint16_t last_y = 0xFFFF;
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uint32_t idle_counter = 0;
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bool was_touching = false;
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uint32_t iter = 0;
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g_touch_irq_flag = 0;
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while (1)
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{
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if (g_touch_irq_flag)
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{
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g_touch_irq_flag = 0;
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delay_1ms(5);
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GT1151_Scan(0);
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if (tp_dev.sta & TP_PRES_DOWN)
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{
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idle_counter = 0;
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uint16_t x = tp_dev.x[0];
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uint16_t y = tp_dev.y[0];
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printf("[TOUCH] iter=%lu sta=0x%02X x=%u y=%u\r\n",
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(unsigned long)iter, tp_dev.sta, x, y);
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if (x < lcddev.width && y < lcddev.height)
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{
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POINT_COLOR = BLACK;
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LCD_FillRectangle(10, 75, 200, 95);
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POINT_COLOR = GREEN;
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char buf[24];
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sprintf(buf, "X:%-3d Y:%-3d", x, y);
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LCD_ShowString(10, 75, 200, 24, 16, 0, (uint8_t *)buf);
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if (was_touching && last_x != 0xFFFF)
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{
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POINT_COLOR = MAGENTA;
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LCD_DrawLine(last_x, last_y, x, y);
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}
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POINT_COLOR = YELLOW;
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LCD_FillCircle(x, y, 4);
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last_x = x;
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last_y = y;
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was_touching = true;
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}
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}
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else
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{
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was_touching = false;
|
||
last_x = 0xFFFF;
|
||
last_y = 0xFFFF;
|
||
}
|
||
|
||
iter++;
|
||
}
|
||
else
|
||
{
|
||
idle_counter++;
|
||
delay_1ms(10);
|
||
if (idle_counter > 500)
|
||
{
|
||
printf(" 无触摸超过 5 秒，退出 Touch 测试\r\n");
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
LCD_Clear(BLUE);
|
||
printf(" Touch 测试完成\r\n");
|
||
delay_1ms(500);
|
||
}
|
||
|
||
// =============================================================
|
||
// 主函数
|
||
// =============================================================
|
||
int main(void)
|
||
{
|
||
// ---- 早期启动: 16MHz，原始寄存器操作 ----
|
||
init_leds();
|
||
led_pattern(0x01);
|
||
|
||
init_usart0();
|
||
led_pattern(0x03);
|
||
|
||
uart_puts("\r\n===== LSPi Board Bring-Up =====\r\n");
|
||
uart_puts("Early boot: LED + UART at 16MHz\r\n");
|
||
|
||
uint32_t cs = RCU_CFG0 & RCU_CFG0_SCS;
|
||
uart_puts("Clock source: ");
|
||
if (cs == RCU_SCSS_IRC16M) uart_puts("IRC16M (16MHz)\r\n");
|
||
else if (cs == RCU_SCSS_HXTAL) uart_puts("HXTAL (25MHz)\r\n");
|
||
else if (cs == RCU_SCSS_PLLP) uart_puts("PLL (168MHz)\r\n");
|
||
else uart_puts("UNKNOWN\r\n");
|
||
uart_puts("SystemCoreClock: ");
|
||
uart_putdec(SystemCoreClock);
|
||
uart_puts(" Hz\r\n");
|
||
|
||
// LED 闪烁验证
|
||
for (int i = 0; i < 3; i++) {
|
||
led_on(LED2_PORT, LED2_PIN);
|
||
delay_16m(200);
|
||
led_off(LED2_PORT, LED2_PIN);
|
||
delay_16m(200);
|
||
}
|
||
uart_puts("LED blink OK\r\n");
|
||
|
||
// ---- 硬件初始化: 切换到 168MHz ----
|
||
uart_puts("Initializing hardware...\r\n");
|
||
led_pattern(0x05);
|
||
|
||
hardware_init();
|
||
|
||
reinit_usart0_168m();
|
||
|
||
cs = RCU_CFG0 & RCU_CFG0_SCS;
|
||
uart_puts("Clock after init: ");
|
||
if (cs == RCU_SCSS_PLLP) uart_puts("PLL (168MHz)\r\n");
|
||
else uart_puts("UNKNOWN\r\n");
|
||
uart_puts("SystemCoreClock: ");
|
||
uart_putdec(SystemCoreClock);
|
||
uart_puts(" Hz\r\n");
|
||
|
||
// ---- C++ 驱动初始化 ----
|
||
led_pattern(0x07);
|
||
LedManager::instance().init_all();
|
||
LedManager::instance().led(1).on();
|
||
delay_16m(100);
|
||
LedManager::instance().led(1).off();
|
||
uart_puts("LedManager OK\r\n");
|
||
|
||
led_pattern(0x09);
|
||
{
|
||
UartConfig cfg;
|
||
cfg.baudrate = 9600;
|
||
UartBus::default_instance().init(cfg);
|
||
}
|
||
uart_puts("UartBus init OK\r\n");
|
||
|
||
// ---- SysTick 配置 ----
|
||
led_pattern(0x0B);
|
||
systick_config();
|
||
delay_1ms(500);
|
||
uart_puts("SysTick OK, delay_1ms available\r\n");
|
||
|
||
// ---- 外设测试 ----
|
||
led_pattern(0x0C);
|
||
printf("\r\n========================================\r\n");
|
||
printf(" LSPi 全外设测试\r\n");
|
||
printf("========================================\r\n");
|
||
|
||
test_sdram_driver();
|
||
delay_1ms(500);
|
||
|
||
test_flash_driver();
|
||
delay_1ms(500);
|
||
|
||
test_lcd();
|
||
delay_1ms(500);
|
||
|
||
test_sdram_after_lcd();
|
||
delay_1ms(500);
|
||
|
||
concurrent_loop();
|
||
delay_1ms(500);
|
||
|
||
test_touch();
|
||
delay_1ms(500);
|
||
|
||
// ---- 主循环 ----
|
||
led_pattern(0x0F);
|
||
printf("\r\n===== 所有外设测试完成 =====\r\n");
|
||
printf("系统运行于 168MHz, Flash/SDRAM/LCD/UART/LED 全部正常\r\n");
|
||
|
||
uint32_t tick = 0;
|
||
while (1) {
|
||
led_on(LED4_PORT, LED4_PIN);
|
||
delay_1ms(250);
|
||
led_off(LED4_PORT, LED4_PIN);
|
||
delay_1ms(250);
|
||
|
||
tick++;
|
||
if (tick % 4 == 0)
|
||
printf(".");
|
||
}
|
||
}
|