112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
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* bsp_TFT.c
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*
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* Created on: 2025年4月9日
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* Author: 22332
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*/
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#include "cola_init.h"
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#include "cola_device.h"
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#include "drv_master_iic.h"
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#include "bsp_register_map.h"
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#include <stdio.h>
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#include <stdlib.h>
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#define I2C_TX_BUFFER_LENGTH (5U)
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#define I2C_RX_BUFFER_LENGTH (5U)
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static cola_device_t g_tft_iic;
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static uint8_t slave_address = RM5T500A_Slave_Address;
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uint32_t merge_four_bytes(uint8_t byte1, uint8_t byte2, uint8_t byte3, uint8_t byte4)
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{
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return (byte1 << 24) | (byte2 << 16) | (byte3 << 8) | byte4;
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}
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// 记录合并后数据中1的位置
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int* record_one_positions(uint32_t merged_data, int* size)
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{
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int max_positions = 32; // 32位数据中最多有32个1
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int* positions = (int*)malloc(max_positions * sizeof(int));
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if (positions == NULL) {
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fprintf(stderr, "内存分配失败\n");
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return NULL;
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}
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*size = 0; // 初始化记录位置的数组大小
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for (int i = 0; i < 32; i++) {
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if (merged_data & (1 << i)) {
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positions[*size] = i;
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(*size)++;
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}
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}
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return positions;
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}
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static int bsp_iic_tft_read(cola_device_t *dev, int pos,void *buffer, int size)
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{
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bool bACK = false;
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#if 0
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uint8_t *transmitBuffer = (uint8_t *)buffer;
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// 从I2C总线接收数据
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bsp_ctrl_read_polling(slave_address,transmitBuffer, size);
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// 将接收到的数据合并到一块并检查错误位置
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uint32_t merged_data = merge_four_bytes(transmitBuffer[0],transmitBuffer[1], transmitBuffer[2], transmitBuffer[3]);
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int Size;
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int* positions = record_one_positions(merged_data, &Size);
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buffer = positions;
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if (positions != NULL)
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{
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printf("Positions of is: ");
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for (int i = 0; i < Size; i++)
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{
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printf("%d ", positions[i]);
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}
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printf("\n");
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free(positions); // 释放分配的内存
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}
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return 0;
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#else
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int bEnPairRead = (pos > 0xFF)?true:false;
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if(bEnPairRead)
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bACK = bsp_ctrl_read_pair_register(slave_address,pos&0xFFFF,buffer,size);
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else
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bACK = bsp_ctrl_read_register(slave_address,pos&0xFF,buffer,size);
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return bACK;
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#endif
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}
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static int bsp_iic_tft_write(cola_device_t *dev, int pos, const void *buffer, int size)
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{
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//uint8_t *transmitBuffer = (uint8_t *)buffer;
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// bsp_ctrl_wirte_polling(slave_address, transmitBuffer, size);
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uint8_t *data = (uint8_t *)buffer;
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uint8_t buf[8];
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if(size > 7)
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size = 7;
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buf[0] = (uint8_t)pos;
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for(int i=0; i<size; i++)
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buf[1+i] = (uint8_t)data[i];
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return bsp_ctrl_write_register(slave_address,buf,1+size);
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}
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static struct cola_device_ops tft_iic_Ops =
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{
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.read = bsp_iic_tft_read,
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.write = bsp_iic_tft_write,
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};
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static void bsp_tft_iic_configuration(void)
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{
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g_tft_iic.name = "TFT_IIC";
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g_tft_iic.dops = &tft_iic_Ops;
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cola_device_register(&g_tft_iic);
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}
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register_initcall(bsp_tft_iic_configuration);
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