/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    screen.c
  * @brief   串口屏驱动实现（JC系列），使用 USART1
  ******************************************************************************
  */
/* USER CODE END Header */

#include "screen.h"
#include "main.h"
#include "usart.h"
#include "cmsis_os.h"
#include <string.h>
#include <stdio.h>

/* 模块初始化：不要使用 MP3 的二进制初始化指令，改为屏幕清屏作为默认初始化 */

/* 发送缓冲 */
static char txbuf[256];


/**
 * @brief  发送字符串到串口屏（阻塞直到发送完成）
 * @param  cmd: 要发送的C字符串（不强制包含结尾CR/LF）
 * @retval 0=OK, <0=错误
 */
int Screen_SendCmd(const char *cmd) {
  if (cmd == NULL) return -1;
  size_t len = strlen(cmd);
  if (len == 0) return -1;
  HAL_StatusTypeDef st = HAL_UART_Transmit(&huart1, (uint8_t *)cmd, (uint16_t)len, HAL_MAX_DELAY);
  return (st == HAL_OK) ? 0 : -2;
}

/**
 * @brief  发送命令并等待模块返回 "OK\r\n"，超时返回非0
 */
int Screen_SendCmdWaitOK(const char *cmd, uint32_t timeout_ms) {
  (void)timeout_ms;
  /* 保留接口：当前不等待屏幕回包，直接发送后返回发送状态 */
  return Screen_SendCmd(cmd);
}

void Screen_Init(void) {
  /*
   * 屏幕初始化：简单实现为上电等待并清除屏幕
   * 若需要按照厂商例程发送更多配置指令，可在此扩展
   */
  osDelay(1000);
  Screen_Clear(0);
  osDelay(200);
}

/* 简单封装接口示例 */
void Screen_Clear(uint8_t layer) {
  sprintf(txbuf, "DIR(1);CLR(%u);\r\n", (unsigned)layer);
  Screen_SendCmd(txbuf);
}

void Screen_DisplayImage(uint32_t addr) {
  sprintf(txbuf, "DIR(1);FSIMG(%lu,0,0,128,128,0);\r\n", (unsigned long)addr);
  Screen_SendCmd(txbuf);
}

void Screen_SetBrightness(uint8_t val) {
  sprintf(txbuf, "BL(%u);\r\n", (unsigned)val);
  Screen_SendCmd(txbuf);
}

void Screen_DrawText16(uint16_t x, uint16_t y, const char *text, uint8_t color) {
  sprintf(txbuf,  "SBC(%u);DC16(%u,%u,'%s',%u);\r\n", (unsigned)color, (unsigned)x, (unsigned)y, text, (unsigned)color);
  Screen_SendCmd(txbuf);
}

/* 额外封装实现 */
/* 以下为屏幕命令封装函数实现，均以字符串形式发送到串口屏 */
/* 函数内部不等待屏幕回包，调用者若需确认执行结果请自行实现回包处理 */

void Screen_SetRotation(uint8_t dir) {
  sprintf(txbuf, "DIR(%u);\r\n", dir);
  Screen_SendCmd(txbuf);
}

void Screen_SetBaud(uint32_t baud) {
  sprintf(txbuf, "BPS(%lu);\r\n", (unsigned long)baud);
  Screen_SendCmd(txbuf);
}
void Screen_DisplayImageAtAddr(uint32_t addr, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint8_t mode) {
  sprintf(txbuf, "FSIMG(%lu,%u,%u,%u,%u,%u);\r\n", (unsigned long)addr, (unsigned)x, (unsigned)y, (unsigned)w, (unsigned)h, (unsigned)mode);
  Screen_SendCmd(txbuf);
}

void Screen_DisplayImageByIndex(uint32_t index, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint8_t mode) {
  sprintf(txbuf, "FSIMG(%u,%u,%u,%u,%u,%u);\r\n", (unsigned)index, (unsigned)x, (unsigned)y, (unsigned)w, (unsigned)h, (unsigned)mode);
  Screen_SendCmd(txbuf);
}

void Screen_Pixel(uint16_t x, uint16_t y, uint8_t color) {
  sprintf(txbuf, "PS(%u,%u,%u);\r\n", (unsigned)x, (unsigned)y, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_Line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint8_t color) {
  sprintf(txbuf, "PL(%u,%u,%u,%u,%u);\r\n", (unsigned)x1, (unsigned)y1, (unsigned)x2, (unsigned)y2, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_Box(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint8_t color) {
  sprintf(txbuf, "BOX(%u,%u,%u,%u,%u);\r\n", (unsigned)x1, (unsigned)y1, (unsigned)x2, (unsigned)y2, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_BoxFill(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint8_t color) {
  sprintf(txbuf, "BOXF(%u,%u,%u,%u,%u);\r\n", (unsigned)x1, (unsigned)y1, (unsigned)x2, (unsigned)y2, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_Circle(uint16_t x, uint16_t y, uint16_t r, uint8_t color) {
  sprintf(txbuf, "CIR(%u,%u,%u,%u);\r\n", (unsigned)x, (unsigned)y, (unsigned)r, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_CircleFill(uint16_t x, uint16_t y, uint16_t r, uint8_t color) {
  sprintf(txbuf, "CIRF(%u,%u,%u,%u);\r\n", (unsigned)x, (unsigned)y, (unsigned)r, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_SetBGColor(uint8_t color) {
  sprintf(txbuf, "SBC(%u);\r\n", (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_DrawText16V(uint16_t x, uint16_t y, const char *text, uint8_t color) {
  sprintf(txbuf, "DCV16(%u,%u,'%s',%u);\r\n", (unsigned)x, (unsigned)y, text, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_DrawText24(uint16_t x, uint16_t y, const char *text, uint8_t color) {
  sprintf(txbuf, "DC24(%u,%u,'%s',%u);\r\n", (unsigned)x, (unsigned)y, text, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_DrawText24V(uint16_t x, uint16_t y, const char *text, uint8_t color) {
  sprintf(txbuf, "DCV24(%u,%u,'%s',%u);\r\n", (unsigned)x, (unsigned)y, text, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_DrawText32(uint16_t x, uint16_t y, const char *text, uint8_t color) {
  sprintf(txbuf, "DC32(%u,%u,'%s',%u);\r\n", (unsigned)x, (unsigned)y, text, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_DrawText32V(uint16_t x, uint16_t y, const char *text, uint8_t color) {
  sprintf(txbuf, "DCV32(%u,%u,'%s',%u);\r\n", (unsigned)x, (unsigned)y, text, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_DrawText48(uint16_t x, uint16_t y, const char *text, uint8_t color, uint8_t transparent) {
  sprintf(txbuf, "DC48(%u,%u,'%s',%u,%u);\r\n", (unsigned)x, (unsigned)y, text, (unsigned)color, (unsigned)transparent);
  Screen_SendCmd(txbuf);
}

void Screen_Button(uint16_t x, uint16_t y, uint16_t w, uint16_t h, const char *label, uint8_t fontColor, uint8_t bgColor, uint8_t pressFlag, uint8_t style) {
  sprintf(txbuf, "BTN(%u,%u,%u,%u,'%s',%u,%u,%u,%u);\r\n", (unsigned)x, (unsigned)y, (unsigned)w, (unsigned)h, label, (unsigned)fontColor, (unsigned)bgColor, (unsigned)pressFlag, (unsigned)style);
  Screen_SendCmd(txbuf);
}

void Screen_QRCode(uint16_t x, uint16_t y, const char *url) {
  sprintf(txbuf, "QRCODE(%u,%u,%s);\r\n", (unsigned)x, (unsigned)y, url);
  Screen_SendCmd(txbuf);
}

void Screen_QRCodeEx(uint16_t x, uint16_t y, const char *url, uint16_t size, uint8_t color) {
  sprintf(txbuf, "QRCODE(%u,%u,%s,%u,%u);\r\n", (unsigned)x, (unsigned)y, url, (unsigned)size, (unsigned)color);
  Screen_SendCmd(txbuf);
}

void Screen_Ver(void) {
  sprintf(txbuf, "VER();\r\n");
  Screen_SendCmd(txbuf);
}

/* USER CODE BEGIN AdditionalFunctions */
/* 可以在这里扩展更多绘图/控件函数供应用层调用 */

/* USER CODE END AdditionalFunctions */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/