Maciej Zemlo / Mbed 2 deprecated IES-R1

default version

Dependencies:   mbed

main.cpp@0:52c8f009b307, 2019-05-14 (annotated)

Committer:
yabool2001
Date:
Tue May 14 09:28:55 2019 +0000
Revision:
0:52c8f009b307
default version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yabool2001 0:52c8f009b307 1 #include "mbed.h"
yabool2001 0:52c8f009b307 2
yabool2001 0:52c8f009b307 3 uint8_t temp_offset = 0xFB;
yabool2001 0:52c8f009b307 4 //uint8_t temp_offset = 0x00;
yabool2001 0:52c8f009b307 5 uint8_t hum_offset = 0x00 ;
yabool2001 0:52c8f009b307 6
yabool2001 0:52c8f009b307 7 Serial serial ( PA_9 , NC );
yabool2001 0:52c8f009b307 8
yabool2001 0:52c8f009b307 9 // IES LEDs
yabool2001 0:52c8f009b307 10 DigitalOut led1 ( PB_5 );
yabool2001 0:52c8f009b307 11 DigitalOut led2 ( PB_2 );
yabool2001 0:52c8f009b307 12 DigitalOut led3 ( PH_1 );
yabool2001 0:52c8f009b307 13
yabool2001 0:52c8f009b307 14 DigitalIn pulse ( PA_2 );
yabool2001 0:52c8f009b307 15
yabool2001 0:52c8f009b307 16 // I2C conf ( SDA , SCK )
yabool2001 0:52c8f009b307 17 I2C i2c ( PB_9 , PB_8 );
yabool2001 0:52c8f009b307 18
yabool2001 0:52c8f009b307 19 char i2c_data[1] = { 0 };
yabool2001 0:52c8f009b307 20 char i2c_data2[2] = { 0 , 0 };
yabool2001 0:52c8f009b307 21 char i2c_data4[4] = { 0 , 0 , 0 , 0 };
yabool2001 0:52c8f009b307 22
yabool2001 0:52c8f009b307 23 const int i2c_addr_read = 129;
yabool2001 0:52c8f009b307 24 const int i2c_addr_write = 128;
yabool2001 0:52c8f009b307 25
yabool2001 0:52c8f009b307 26 char conf_reg[1] = { 0x0E };
yabool2001 0:52c8f009b307 27 char meas_conf_reg[1] = { 0x0F };
yabool2001 0:52c8f009b307 28 char manf_id_low_reg[1] = { 0xFC };
yabool2001 0:52c8f009b307 29 char temp_max_reg[1] = { 0x05 };
yabool2001 0:52c8f009b307 30 char temp_low_reg[1] = { 0x00 };
yabool2001 0:52c8f009b307 31
yabool2001 0:52c8f009b307 32 char conf_reg_init[2] = { 0x0F , 0x00 };
yabool2001 0:52c8f009b307 33 char meas_conf_reg_init[2] = { 0x0F , 0x00 };
yabool2001 0:52c8f009b307 34 char meas_conf_reg_reset[2] = { 0x0E , 0x80 };
yabool2001 0:52c8f009b307 35 char meas_conf_reg_heat_on[2] = { 0x0E , 0x08 };
yabool2001 0:52c8f009b307 36 char temp_offset_reg[2] = { 0x08 , temp_offset };
yabool2001 0:52c8f009b307 37
yabool2001 0:52c8f009b307 38 char meas_conf_reg_meas[2] = { 0x0F , 0x01 }; // start_meas: 14bit, t&h , meas
yabool2001 0:52c8f009b307 39 //char meas_conf_reg_meas[2] = { 0x0F , 0x51 }; // start_meas: 11bit, t&h , meas
yabool2001 0:52c8f009b307 40 //char meas_conf_reg_meas[2] = { 0x0F , 0xA1 }; // start_meas: t_8bit, h_8bit , t&h , meas
yabool2001 0:52c8f009b307 41
yabool2001 0:52c8f009b307 42 // HDC init
yabool2001 0:52c8f009b307 43 void hdc_init ()
yabool2001 0:52c8f009b307 44 {
yabool2001 0:52c8f009b307 45 serial .printf ( "\n\r" );
yabool2001 0:52c8f009b307 46
yabool2001 0:52c8f009b307 47 //Konfiguracja startowa rejestrów
yabool2001 0:52c8f009b307 48 i2c.write ( i2c_addr_write , conf_reg_init , 2 , false );
yabool2001 0:52c8f009b307 49 i2c.write ( i2c_addr_write , meas_conf_reg_init , 2 , false );
yabool2001 0:52c8f009b307 50
yabool2001 0:52c8f009b307 51 // Wdrożenie offsetu
yabool2001 0:52c8f009b307 52 i2c.write ( i2c_addr_write , temp_offset_reg , 2 , false );
yabool2001 0:52c8f009b307 53
yabool2001 0:52c8f009b307 54 //Weryfikacja konfiguracji startowej rejestrów
yabool2001 0:52c8f009b307 55 i2c.write ( i2c_addr_write , conf_reg , 1 , true );
yabool2001 0:52c8f009b307 56 i2c.read ( i2c_addr_read , i2c_data , 1 , false );
yabool2001 0:52c8f009b307 57 serial .printf ( "0x0E Conf. reg.: %X\n\r" , i2c_data[0] );
yabool2001 0:52c8f009b307 58 i2c.write ( i2c_addr_write , meas_conf_reg , 1 , true );
yabool2001 0:52c8f009b307 59 i2c.read ( i2c_addr_read , i2c_data , 1 , false );
yabool2001 0:52c8f009b307 60 serial .printf ( "0x0F Meas conf. reg.: %X\n\r" , i2c_data[0] );
yabool2001 0:52c8f009b307 61
yabool2001 0:52c8f009b307 62 // Weryfikacja adresu Manf. Id Low
yabool2001 0:52c8f009b307 63 i2c.write ( i2c_addr_write , manf_id_low_reg , 1 , true );
yabool2001 0:52c8f009b307 64 i2c.read ( i2c_addr_read , i2c_data , 1 , false );
yabool2001 0:52c8f009b307 65 serial .printf ( "HDC manf_id_low_reg: %X initiated\n\r" , i2c_data[0] );
yabool2001 0:52c8f009b307 66 }
yabool2001 0:52c8f009b307 67
yabool2001 0:52c8f009b307 68 void hdc_soft_reset ()
yabool2001 0:52c8f009b307 69 {
yabool2001 0:52c8f009b307 70 serial .printf ( "\n\r" );
yabool2001 0:52c8f009b307 71 // Soft reset
yabool2001 0:52c8f009b307 72 i2c.write ( i2c_addr_write , meas_conf_reg_reset , 2 , false );
yabool2001 0:52c8f009b307 73 // Wait to perform reset
yabool2001 0:52c8f009b307 74 wait ( 1 );
yabool2001 0:52c8f009b307 75 serial .printf ( "Soft reset perfomed\n\r" );
yabool2001 0:52c8f009b307 76 }
yabool2001 0:52c8f009b307 77
yabool2001 0:52c8f009b307 78 void hdc_heater ( uint8_t t )
yabool2001 0:52c8f009b307 79 {
yabool2001 0:52c8f009b307 80 serial .printf ( "\n\r" );
yabool2001 0:52c8f009b307 81 // Soft reset
yabool2001 0:52c8f009b307 82 i2c.write ( i2c_addr_write , meas_conf_reg_reset , 2 , false );
yabool2001 0:52c8f009b307 83 // Wait to perform reset
yabool2001 0:52c8f009b307 84 wait ( t );
yabool2001 0:52c8f009b307 85 serial .printf ( "Heater switched on for 5s\n\r" );
yabool2001 0:52c8f009b307 86 }
yabool2001 0:52c8f009b307 87
yabool2001 0:52c8f009b307 88 void hdc_single_acqusition ()
yabool2001 0:52c8f009b307 89 {
yabool2001 0:52c8f009b307 90 i2c.write ( i2c_addr_write , meas_conf_reg_meas , 2 , false );
yabool2001 0:52c8f009b307 91 wait ( 0.2 );
yabool2001 0:52c8f009b307 92 i2c.write ( i2c_addr_write , temp_low_reg , 1 , true );
yabool2001 0:52c8f009b307 93 i2c.read ( i2c_addr_read , i2c_data4 , 4 , false );
yabool2001 0:52c8f009b307 94 //serial .printf ( "HDC Single acquisition raw[hex] 3-0: %X , %X , %X , %X \n\r" , i2c_data4[3] , i2c_data4[2] , i2c_data4[1] , i2c_data4[0] );
yabool2001 0:52c8f009b307 95 double temp = ( i2c_data4 [1] << 8 ) + i2c_data4 [0];
yabool2001 0:52c8f009b307 96 temp = ( ( temp * 165 ) / 65536 ) - 40 ;
yabool2001 0:52c8f009b307 97 serial .printf ( "temp: %f\n\r" , temp );
yabool2001 0:52c8f009b307 98 }
yabool2001 0:52c8f009b307 99
yabool2001 0:52c8f009b307 100 void hdc_temp_max ()
yabool2001 0:52c8f009b307 101 {
yabool2001 0:52c8f009b307 102 i2c.write ( i2c_addr_write , temp_max_reg , 1 , true );
yabool2001 0:52c8f009b307 103 i2c.read ( i2c_addr_read , i2c_data , 1 , false );
yabool2001 0:52c8f009b307 104 //serial .printf ( "HDC Max temp. raw[hex]: %X\n\r" , i2c_data [0] );
yabool2001 0:52c8f009b307 105 double temp = i2c_data [0];
yabool2001 0:52c8f009b307 106 temp = ( ( temp * 165 ) / 256 ) - 40 ;
yabool2001 0:52c8f009b307 107 serial .printf ( "HDC Max temp. = %f\n\r" , temp );
yabool2001 0:52c8f009b307 108 }
yabool2001 0:52c8f009b307 109
yabool2001 0:52c8f009b307 110 // Toggle LED
yabool2001 0:52c8f009b307 111 void toggle_led ()
yabool2001 0:52c8f009b307 112 {
yabool2001 0:52c8f009b307 113 serial .printf ( "led toggle\n\r" );
yabool2001 0:52c8f009b307 114 led1 = !led1;
yabool2001 0:52c8f009b307 115 led3 = !led2;
yabool2001 0:52c8f009b307 116 led3 = !led3;
yabool2001 0:52c8f009b307 117 }
yabool2001 0:52c8f009b307 118
yabool2001 0:52c8f009b307 119 int main() {
yabool2001 0:52c8f009b307 120
yabool2001 0:52c8f009b307 121 led1 = 0;
yabool2001 0:52c8f009b307 122 led2 = 0;
yabool2001 0:52c8f009b307 123 led3 = 0;
yabool2001 0:52c8f009b307 124
yabool2001 0:52c8f009b307 125 i2c.frequency ( 1000000 );
yabool2001 0:52c8f009b307 126
yabool2001 0:52c8f009b307 127 hdc_init () ;
yabool2001 0:52c8f009b307 128 //hdc_soft_reset () ;
yabool2001 0:52c8f009b307 129 //hdc_heater ( 5 );
yabool2001 0:52c8f009b307 130 //hdc_init () ;
yabool2001 0:52c8f009b307 131
yabool2001 0:52c8f009b307 132 while ( 1 )
yabool2001 0:52c8f009b307 133 {
yabool2001 0:52c8f009b307 134 for ( int i = 0 ; i < 10 ; i++ )
yabool2001 0:52c8f009b307 135 {
yabool2001 0:52c8f009b307 136 hdc_single_acqusition () ;
yabool2001 0:52c8f009b307 137 wait ( 10 ) ;
yabool2001 0:52c8f009b307 138 }
yabool2001 0:52c8f009b307 139 hdc_temp_max () ;
yabool2001 0:52c8f009b307 140 }
yabool2001 0:52c8f009b307 141 }