1. 测试了IO拓展芯片TCA9554PWR，测试结果正常，测试通过

2025-08-24 19:11:42 +08:00
parent 8807542ff2
commit fa066408e2
10 changed files with 426 additions and 2 deletions
@@ -0,0 +1,94 @@
+#include "TCA9554PWR.h"
+/*****************************************************  Operation register REG   ****************************************************/   
+uint8_t Read_REG(uint8_t REG)                                // Read the value of the TCA9554PWR register REG
+{
+    uint8_t bitsStatus = 0;                                                             
+    i2c_cmd_handle_t cmd = i2c_cmd_link_create();     
+    i2c_master_start(cmd);                                                             
+    i2c_master_write_byte(cmd, (TCA9554_ADDRESS << 1) | I2C_MASTER_WRITE, true); 
+    i2c_master_write_byte(cmd, REG, true);                                
+    i2c_master_start(cmd);       
+    i2c_master_write_byte(cmd, (TCA9554_ADDRESS << 1) | I2C_MASTER_READ, true); 
+    i2c_master_read_byte(cmd, &bitsStatus, I2C_MASTER_NACK);
+    i2c_master_stop(cmd);                             
+    i2c_master_cmd_begin(I2C_MASTER_NUM, cmd, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); 
+    i2c_cmd_link_delete(cmd);                                                          
+    return bitsStatus;                                                                
+}
+void Write_REG(uint8_t REG,uint8_t Data)                    // Write Data to the REG register of the TCA9554PWR
+{
+    i2c_cmd_handle_t cmd = i2c_cmd_link_create();           
+    i2c_master_start(cmd);                                             
+    i2c_master_write_byte(cmd, (TCA9554_ADDRESS << 1) | I2C_MASTER_WRITE, true);    
+    i2c_master_write_byte(cmd, REG, true);                                           
+    i2c_master_write_byte(cmd, Data, true);  
+    i2c_master_stop(cmd);     
+    i2c_master_cmd_begin(I2C_MASTER_NUM,cmd,I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
+    i2c_cmd_link_delete(cmd);                                                           
+}
+/********************************************************** Set EXIO mode **********************************************************/       
+void Mode_EXIO(uint8_t Pin,uint8_t State)                 // Set the mode of the TCA9554PWR Pin. The default is Output mode (output mode or input mode). State: 0= Output mode 1= input mode    
+{
+    uint8_t bitsStatus = Read_REG(TCA9554_CONFIG_REG);                                
+    uint8_t Data = (0x01 << (Pin-1)) | bitsStatus;  
+    Write_REG(TCA9554_CONFIG_REG,Data);            
+}
+void Mode_EXIOS(uint8_t PinState)                        // Set the mode of the 7 pins from the TCA9554PWR with PinState   
+{
+    Write_REG(TCA9554_CONFIG_REG,PinState);                             
+}
+
+/********************************************************** Read EXIO status **********************************************************/       
+uint8_t Read_EXIO(uint8_t Pin)                            // Read the level of the TCA9554PWR Pin
+{
+    uint8_t inputBits =Read_REG(TCA9554_INPUT_REG);                                  
+    uint8_t bitStatus = (inputBits >> (Pin-1)) & 0x01;                             
+    return bitStatus;                                                              
+}
+uint8_t Read_EXIOS(void)                                  // Read the level of all pins of TCA9554PWR
+{
+  uint8_t inputBits = Read_REG(TCA9554_INPUT_REG);                                     
+  return inputBits;                                                                    
+}
+
+/********************************************************** Set the EXIO output status **********************************************************/  
+void Set_EXIO(uint8_t Pin,bool State)                  // Sets the level state of the Pin without affecting the other pins(PIN：1~8)
+{
+    uint8_t Data = 0;
+    uint8_t bitsStatus = Read_REG(TCA9554_OUTPUT_REG);         
+    if(Pin < 9 && Pin > 0){     
+        if(State)                                     
+            Data = (0x01 << (Pin-1)) | bitsStatus;                 
+        else
+            Data = (~(0x01 << (Pin-1)) & bitsStatus);  
+        Write_REG(TCA9554_OUTPUT_REG,Data);
+    }
+    else                                                                             
+        printf("Parameter error, please enter the correct parameter!\r\n");
+
+}
+void Set_EXIOS(uint8_t PinState)                     // Set 7 pins to the PinState state such as :PinState=0x23, 0010 0011 state (the highest bit is not used)
+{
+    Write_REG(TCA9554_OUTPUT_REG,PinState);                                            
+}
+
+/********************************************************** Flip EXIO state **********************************************************/  
+void Set_Toggle(uint8_t Pin)                              // Flip the level of the TCA9554PWR Pin
+{
+    uint8_t bitsStatus = Read_EXIO(Pin);                                              
+    Set_EXIO(Pin,(bool)!bitsStatus);
+}
+
+
+/********************************************************* TCA9554PWR Initializes the device ***********************************************************/  
+void TCA9554PWR_Init(uint8_t PinState)                  // Set the seven pins to PinState state, for example :PinState=0x23, 0010 0011 State (the highest bit is not used) (Output mode or input mode) 0= Output mode 1= Input mode. The default value is output mode
+{
+    // i2c_master_init();                                                  
+    Mode_EXIOS(PinState);                                          
+}
+
+esp_err_t EXIO_Init(void)
+{
+    TCA9554PWR_Init(0x00);
+    return ESP_OK;
+}