KIT Solar Car Project
/
BMS_T2
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Diff: main.cpp
- Revision:
- 4:e57b023e41f3
- Parent:
- 3:a1368cd4b0a9
- Child:
- 5:f07de56debf3
diff -r a1368cd4b0a9 -r e57b023e41f3 main.cpp
--- a/main.cpp Sat Nov 30 07:24:22 2019 +0000
+++ b/main.cpp Thu Apr 30 08:05:06 2020 +0000
@@ -3,6 +3,8 @@
#include "bms.h"
#include "LTC681x.h"
#include "LTC6811.h"
+#include "INA226.hpp"
+//#include "MSCFileSystem.h"
#define UI_BUFFER_SIZE 64
#define SERIAL_TERMINATOR '\n'
@@ -13,16 +15,30 @@
#define DATALOG_ENABLED 1
#define DATALOG_DISABLED 0
-Ticker ticker;
+
+
DigitalOut led1(LED1);
Serial pc(USBTX, USBRX);
-CAN BMS_CAN(p9,p10);
-
+CAN canSlave(p30,p29);
+I2C i2c(p28,p27);
+DigitalOut led2(LED2);
+DigitalOut BAT_MIN_safty(p21);
+DigitalOut BAT_MAX_safty(p22);
+//MSCFileSystem msc("usb"); // Mount flash drive under the name "msc"
+//Timer timer; //書き込み時間を計測するタイマ
-void run_command(uint32_t cmd);
+// CAN関係
+short int forSend = 0; //データ送信時に一時的に使用する変数
+bool CANsendOK = 0; //CAN送信完了時,セットする(mainでのprintfのため)
+CANMessage msgSlave1; //CAN送信用
+short int canSlaveID = 0x20; //canSlaveのIDをに設定
+void Handler_canSend();
+bool flag_can = 1;
+
+//測定関係の関数(変更の際触る必要がない)
+void run_command(uint32_t cmd); //測定コマンド送信関数
void measurement_loop(uint8_t datalog_en);
-//void print_menu();
-void print_cells(uint8_t datalog_en);
+void print_cells(uint8_t datalog_en); //セル電圧の測定表示関数
void print_open();
void print_aux(uint8_t datalog_en);
void print_stat();
@@ -31,117 +47,220 @@
void print_pec(void);
void serial_print_hex(uint8_t data);
void check_error(int error);
-void wakeup();
-void cell_read();
-void spi_error();
-void ic_check();
-void spi_check();
-void print_CAN(uint8_t datalog_en);
-void print_math();
-//char get_char();
-//void read_config_data(uint8_t cfg_data[][6], uint8_t nIC);
+//測定関係関数(使ってる)
+void wakeup();//ICの起動関数、消費電力削減関数
+void cell_read();//セルの電圧の読み込みコマンド
+void spi_error();//SPIエラー処理関数
+void ic_check();//ICが測定可能状態か診断して次のコマンドに持ち込むための関数
+void spi_check();//SPIエラーの確認関数
+void print_CAN(uint8_t datalog_en);//セルの電圧の表示コマンドと過充電過放電検出
+void BAT_safty();
+void print_math();
+void can_sent1();
+void can_sent2();
+void can_sent3();
+void can_sent4();
+//void can_set();
+void can_wait();
+void ic_set();
-/**********************************************************
- Setup Variables
- The following variables can be modified to
- configure the software.
+
-***********************************************************/
-const uint8_t TOTAL_IC = 2;//!<number of ICs in the daisy chain
+
+const uint8_t TOTAL_IC = 3; //IC数
char ui_buffer[UI_BUFFER_SIZE];
-//ADC Command Configurations
-//const uint8_t ADC_OPT = ADC_OPT_DISABLED; // See LTC6811_daisy.h for Options
-const uint8_t ADC_CONVERSION_MODE = MD_7KHZ_3KHZ;//MD_7KHZ_3KHZ; //MD_26HZ_2KHZ;//MD_7KHZ_3KHZ; // See LTC6811_daisy.h for Options
-const uint8_t ADC_DCP = DCP_DISABLED; // See LTC6811_daisy.h for Options
-const uint8_t CELL_CH_TO_CONVERT = CELL_CH_ALL; // See LTC6811_daisy.h for Options
-const uint8_t AUX_CH_TO_CONVERT = AUX_CH_ALL; // See LTC6811_daisy.h for Options
-const uint8_t STAT_CH_TO_CONVERT = STAT_CH_ALL; // See LTC6811_daisy.h for Options
-const uint16_t MEASUREMENT_LOOP_TIME = 500;//milliseconds(mS)
+const uint8_t ADC_CONVERSION_MODE = MD_7KHZ_3KHZ;
+const uint8_t ADC_DCP = DCP_DISABLED;
+const uint8_t CELL_CH_TO_CONVERT = CELL_CH_ALL;
+const uint8_t AUX_CH_TO_CONVERT = AUX_CH_ALL;
+const uint8_t STAT_CH_TO_CONVERT = STAT_CH_ALL;
-//Under Voltage and Over Voltage Thresholds
+const uint16_t MEASUREMENT_LOOP_TIME = 10;//milliseconds(mS)
const uint16_t OV_THRESHOLD = 41000; //
const uint16_t UV_THRESHOLD = 30000; //
-//Loop Measurement Setup These Variables are ENABLED or DISABLED Remember ALL CAPS
-const uint8_t WRITE_CONFIG = DISABLED; // This is ENABLED or DISABLED
-const uint8_t READ_CONFIG = DISABLED; // This is ENABLED or DISABLED
-const uint8_t MEASURE_CELL = ENABLED; // This is ENABLED or DISABLED
-const uint8_t MEASURE_AUX = DISABLED; // This is ENABLED or DISABLED
-const uint8_t MEASURE_STAT = DISABLED; //This is ENABLED or DISABLED
-const uint8_t PRINT_PEC = DISABLED; //This is ENABLED or DISABLED
+
+const uint8_t WRITE_CONFIG = DISABLED;
+const uint8_t READ_CONFIG = DISABLED;
+const uint8_t MEASURE_CELL = ENABLED;
+const uint8_t MEASURE_AUX = DISABLED;
+const uint8_t MEASURE_STAT = DISABLED;
+const uint8_t PRINT_PEC = DISABLED;
short n =0;
-// Read data from the serial interface into the ui_buffer buffer
uint8_t read_data();
-// Read a float value from the serial interface
float read_float();
+INA226 VCmonitor(i2c); // INA226
int32_t read_int();
-int kaisuu;
-unsigned short BAT_MIN, BAT_MAX, BAT_AVG;
-unsigned long BAT_SUM;
+float BAT_MIN ;
+float BAT_MAX ;
+float BAT_AVG ;
+double BAT_C;
+float BAT_SUM;
unsigned short BAT_CELL[23];
char *read_string();
-
+/*
+int Replace1;
+int Replace2;
+int Replace3;
+int Replace4;
+*/
int8_t read_char();
-/************************************
- END SETUP
-*************************************/
-
-/******************************************************
- *** Global Battery Variables received from 681x commands
- These variables store the results from the LTC6811
- register reads and the array lengths must be based
- on the number of ICs on the stack
- ******************************************************/
-
cell_asic bms_ic[TOTAL_IC];
+
+void Handler_canSend() {
+
+ int Replace1 = 0;
+ int Replace2 = 0;
+ int Replace3 = 0;
+ short int Replace4 = 0;
+
+ short n =0;
+ int BAT_SUM = 0; // 0にする
+ int BAT_MIN = 55876;
+ double C;
+ //unsigned short BTA_MAX = 0;
+
+ for (int current_ic = 0 ; current_ic < TOTAL_IC; current_ic++) {
+ for (int i=0; i < bms_ic[0].ic_reg.cell_channels; i++) {
+
+ //pc.printf("C%d:", i+1);
+ pc.printf("%.4f, ",bms_ic[current_ic].cells.c_codes[i]*0.0001);
+ BAT_SUM = bms_ic[current_ic].cells.c_codes[i] + BAT_SUM;
+
+ if(bms_ic[current_ic].cells.c_codes[i] > 10000){
+ if(bms_ic[current_ic].cells.c_codes[i] < BAT_MIN){
+ BAT_MIN = bms_ic[current_ic].cells.c_codes[i];
+ }
+ }
+
+ if( bms_ic[current_ic].cells.c_codes[i] > BAT_MAX){
+ BAT_MAX = bms_ic[current_ic].cells.c_codes[i];
+ }
+ }
+
+ if(VCmonitor.getCurrent(&C) == 0){ // INA226
+ BAT_C = C;
+ printf("C,%f\n",C);
+ }
+
+ }
+// BMA_SUM
+ Replace1 = (int)(BAT_SUM / 100);
+ msgSlave1.data[0] = Replace1 / 100;
+ msgSlave1.data[1] = Replace1 % 100;
+//BAT_MIN
+ Replace2 = (int)(BAT_MIN / 10);
+ msgSlave1.data[2] = Replace2 / 100;
+ msgSlave1.data[3] = Replace2 % 100;
+//BAT_MAX
+ Replace3 = (int)(BAT_MAX /10);
+ msgSlave1.data[4] = Replace3 / 100;
+ msgSlave1.data[5] = Replace3 % 100;
+//BAT_C
+
+ //short BAT_C = -233;
+ if(BAT_C < 1000){
+ BAT_C = BAT_C + 9002;
+ }
+
+ if(BAT_C < 0){ //正電流か負電流を判定する
+ BAT_C = BAT_C + 9001; //負だと正の電流に変更する。さらにモニタ側でマイナスに戻すための定数を9001とする
+ //最大放電電流は50000mA 充電電流は-40000mAであるため9001とした。
+ }
+
+ Replace4 = (short int)(BAT_C / 1);
+ msgSlave1.data[6] = Replace4 / 100;
+ msgSlave1.data[7] = Replace4 % 100;
+ pc.printf("BAT_C %d\n",Replace4 );
+ printf("Data in msgSlave1.data[6] : %d\n\r", msgSlave1.data[6]);
+
+
+ if(canSlave.write(msgSlave1)){ //格納したデータを送信する
+ led1 = !led1;
+ CANsendOK = 1;
+ }
+ ic_check();
+}
+
+void Handler_canRecieve(){ //canMasterから送信要求が来たとき,データ送信するための関数
+ if( flag_can ){
+ if( canSlave.read( msgSlave1 ) ){ //msgに送られたデータが入る
+ led2 = !led2;
+ if( msgSlave1.id == canSlaveID ){ //IDがcanSlaveIDであれば処理する
+ Handler_canSend();
+ }
+ }
+ }
+}
int main(void)
{
uint32_t user_command;
-
+ //short int BAT_C = 2322;
pc.baud(115200);
- //spi_enable();
- //LTC681x_init_cfg(TOTAL_IC, bms_ic);
- //LTC6811_reset_crc_count(TOTAL_IC,bms_ic);
- //LTC6811_init_reg_limits(TOTAL_IC,bms_ic);
- //ic_check();
- //wakeup();
+ printf("main()\n\r");
+ canSlave.attach(&Handler_canRecieve, CAN::RxIrq); //CAN受信割り込みの設定
+ msgSlave1.id = canSlaveID; //CAN送信側(slave)のIDを決定
+ msgSlave1.len = 8; //CAN送信側で送るデータのバイト数
- //print_menu();
-
-
- while(1) {
-
-
- unsigned short BAT_MIN = 0;
- unsigned short BAT_MAX = 0;
- //spi_error();
- //pc.printf("check 00\n");
- //while(!pc.readable()) {
- //wait(0.3);
- // pc.printf("check 001\n");
- //} // Check for user input
- //pc.printf("check 01\n");
- //user_command = read_int();
- //run_command(user_command);
-
- ic_check();
+ while(1) {
+ BAT_MIN = 0;
+ BAT_MAX = 0; // 0にする
+ /*
+ if ( fp == NULL )
+ {
+ pc.printf("USB fileopen!\r\n");
+ exit(1);
+ }
+ FILE *fp = fopen( "/usb/test.csv", "w"); //ファイルを開く "W"は新規作成して書き込みっていう命令？
+ */
+ ic_check();
+ //timer.start(); //書き込み時間測定開始
+ //timer.stop(); //書き込み時間測定終了
+ //fclose(fp); //ファイルを閉じる
+ if( CANsendOK ) {
+ CANsendOK = 0;
+ printf("Data in msgSlave1.data[0] : %d\n\r", msgSlave1.data[0]); //CANで送信したデータをそのまま表示
+ printf("Data in msgSlave1.data[1] : %d\n\r", msgSlave1.data[1]); //上に同じ
+ printf("Data in msgSlave1.data[2] : %d\n\r", msgSlave1.data[2]); //上に同じ
+ printf("Data in msgSlave1.data[3] : %d\n\r", msgSlave1.data[3]);
+ printf("Data in msgSlave1.data[4] : %d\n\r", msgSlave1.data[4]);
+ printf("Data in msgSlave1.data[5] : %d\n\r", msgSlave1.data[5]);
+ printf("Data in msgSlave1.data[6] : %d\n\r", msgSlave1.data[6]);
+ printf("Data in msgSlave1.data[7] : %d\n\r", msgSlave1.data[7]); //上に同じ
+ printf("\n\r");
+ }
+ BAT_safty();
}
}
+
+/*
+void ic_set(){
+
+ // __disable_irq();
+// flag_can = 0;
+ ic_check();
+ spi_check();
+ spi_error();
+ wakeup();
+ cell_read();
+ }
+*/
void ic_check(){ //1
- pc.baud(115200);
+//__disable_irq();
+
spi_enable();
LTC681x_init_cfg(TOTAL_IC, bms_ic);
LTC6811_reset_crc_count(TOTAL_IC,bms_ic);
@@ -149,24 +268,26 @@
wakeup_sleep(TOTAL_IC);
LTC6811_wrcfg(TOTAL_IC,bms_ic);
print_config();
- spi_check();
-
- }
+ spi_check();
+}
+
void spi_check(){ //2
+
+//__disable_irq();
int countup;
int8_t error = 0;
wakeup_sleep(TOTAL_IC);
error = LTC6811_rdcfg(TOTAL_IC,bms_ic);
check_error(error);
- print_rxconfig();
+ print_rxconfig();
spi_error();
-
}
+void wakeup(){ //3
-void wakeup(){ //3
+ //__disable_irq();
int countup;
int8_t error = 0;
uint32_t conv_time = 0;
@@ -175,14 +296,13 @@
wakeup_sleep(TOTAL_IC);
LTC6811_adcv(ADC_CONVERSION_MODE,ADC_DCP,CELL_CH_TO_CONVERT);
conv_time = LTC6811_pollAdc();
- // pc.printf("cell conversion completed in:");
- //pc.printf("%.1f",((float)conv_time/1000));
- //pc.printf("mS\n");
cell_read();
- }
+ }
void spi_error(){
+
+ // __disable_irq();
int8_t error = 0;
int countup;
@@ -199,14 +319,12 @@
wakeup();
}
*/
-
wakeup();
-
-
}
void cell_read(){ //4 電圧読み取り
+ //__disable_irq();
int8_t error = 0;
uint32_t conv_time = 0;
int8_t readIC=0;
@@ -215,33 +333,52 @@
error = LTC6811_rdcv(0, TOTAL_IC,bms_ic);
check_error(error);
//print_cells(DATALOG_DISABLED);
- print_CAN(DATALOG_DISABLED);
-
- ic_check();
+ print_CAN(DATALOG_DISABLED);
}
-
-
-
void print_CAN(uint8_t datalog_en){
-
+ /*
+__disable_irq();
short n =0;
- long BAT_SUM = 0;
- unsigned short BAT_MIN = 55000;
+ int BAT_SUM = 0; // 0にする
+ int BAT_MIN = 55876;
+ double C;
//unsigned short BTA_MAX = 0;
-
+
+ for (int current_ic = 0 ; current_ic < TOTAL_IC; current_ic++) {
+ for (int i=0; i < bms_ic[0].ic_reg.cell_channels; i++) {
+
+ //pc.printf("C%d:", i+1);
+ //pc.printf("%.4f, ",bms_ic[current_ic].cells.c_codes[i]*0.0001);
+ BAT_SUM = bms_ic[current_ic].cells.c_codes[i] + BAT_SUM;
+ if(bms_ic[current_ic].cells.c_codes[i] > 10000){
+ if(bms_ic[current_ic].cells.c_codes[i] < BAT_MIN){
+ BAT_MIN = bms_ic[current_ic].cells.c_codes[i];
+ }
+ }
+
+ if( bms_ic[current_ic].cells.c_codes[i] > BAT_MAX){
+ BAT_MAX = bms_ic[current_ic].cells.c_codes[i];
+ }
+
+ if(VCmonitor.getCurrent(&C) == 0){ // INA226
+ BAT_C = C;
+ //printf("C,%f\n",C);
+ }
+ }
+ }
+ /*
for (int current_ic = 0 ; current_ic < TOTAL_IC; current_ic++) {
//if (datalog_en == 0) {
- pc.printf("IC%d, ", current_ic+1);
+ //pc.printf("IC%d, ", current_ic+1);
//for(n = 0; n <= 12; n++){
for (int i=0; i < bms_ic[0].ic_reg.cell_channels; i++) {
- BAT_CELL[n] = bms_ic[current_ic].cells.c_codes[i];
-
-
- pc.printf("C%d:", i+1);
- pc.printf("%.4f, ",bms_ic[current_ic].cells.c_codes[i]*0.0001);
+ //BAT_CELL= bms_ic[current_ic].cells.c_codes[i];
+
+ //fprintf(fp,"C%d:", i+1);
+ //fprintf(fp,"%.4f, ",bms_ic[current_ic].cells.c_codes[i]*0.0001);
BAT_SUM = bms_ic[current_ic].cells.c_codes[i] + BAT_SUM;
if(bms_ic[current_ic].cells.c_codes[i] > 10000){
@@ -252,56 +389,46 @@
//unsigned short BTA_MAX = 0;
if( bms_ic[current_ic].cells.c_codes[i] > BAT_MAX){
BAT_MAX = bms_ic[current_ic].cells.c_codes[i];
- }
-
-
-
-
-
- // BAT_SUM = BAT_CELL[n] + BAT_SUM;
- // if(bms_ic[current_ic].cells.c_codes[i] < BAT_MIN){
- // BAT_MIN = BAT_CELL[n];
- // }
+ }
+ if(VCmonitor.getCurrent(&C) == 0){ // INA226
+ BAT_C = C;
+ }
+
+ }
+ }
+
+ fprintf(fp,"SUM");
+ fprintf(fp,"%0.4f, ",BAT_SUM*0.0001);
+ BAT_AVG = BAT_SUM / 20;
+ fprintf(fp,"AVG");
+ fprintf(fp,"%.4f, ",BAT_AVG*0.0001);
+ fprintf(fp,"MIN");
+ fprintf(fp,"%.4f, ",BAT_MIN*0.0001);
+ fprintf(fp,"MAX");
+ fprintf(fp,"%.4f, ",BAT_MAX*0.0001);
+ fprintf(fp,"BAT_Current,%f\n",BAT_Current);
+ */
}
-
-
-
-
-
- //BAT_CELL[n] = bms_ic[current_ic].cells.c_codes[i]*0.0001;
- // BAT_CELL[n] = BAT_CELL[n]*0.0001;
- // pc.printf("C%d:", i+1);
- // pc.printf("%.4f, ",bms_ic[current_ic].cells.c_codes[i]);
- // pc.printf("%d, ",BAT_CELL[n]);
- //}
- // }
-
- // else {
- // pc.printf("Cells, ");
- // for (int i=0; i<bms_ic[0].ic_reg.cell_channels; i++) {
- // pc.printf("%.4f, ",bms_ic[current_ic].cells.c_codes[i]*0.0001);
+
+void BAT_safty(){
+ if( BAT_MIN < 25000 ){
+ BAT_MIN_safty = 1 ;
+ wait(1);
+ BAT_MIN_safty = 0 ;
+ }
+ if( BAT_MAX > 42000){
+ BAT_MAX_safty = 1;
+ wait(1);
+ BAT_MAX_safty = 0;
+ }
+ if(BAT_C > 60000){
+ BAT_MIN_safty = 1 ;
+ wait(1);
+ BAT_MIN_safty = 0 ;
+ }
+ }
- //}
- // }
- }
-
- //print_math();
- pc.printf("\n");
- pc.printf("SUM");
- pc.printf("%f, ",BAT_SUM*0.0001);
- BAT_AVG = BAT_SUM / 20;
- pc.printf("AVG");
- pc.printf("%.4f, ",BAT_AVG*0.0001);
- pc.printf("MIN");
- pc.printf("%.4f, ",BAT_MIN*0.0001);
- pc.printf("MAX");
- pc.printf("%.4f, ",BAT_MAX*0.0001);
- pc.printf("\n");
- pc.printf("\n");
-
- }
-
-
+
void measurement_loop(uint8_t datalog_en)
{
int8_t error = 0;
@@ -355,25 +482,7 @@
}
-/*
-void print_menu()
-{
- pc.printf("Please enter LTC6811 Command\n");
- pc.printf("Write Configuration: 1 | Reset PEC Counter: 11\n");
- pc.printf("Read Configuration: 2 | Run ADC Self Test: 12\n");
- pc.printf("Start Cell Voltage Conversion: 3 | Set Discharge: 13\n");
- pc.printf("Read Cell Voltages: 4 | Clear Discharge: 14\n");
- pc.printf("Start Aux Voltage Conversion: 5 | Clear Registers: 15\n");
- pc.printf("Read Aux Voltages: 6 | Run Mux Self Test: 16\n");
- pc.printf("Start Stat Voltage Conversion: 7 | Run ADC overlap Test: 17\n");
- pc.printf("Read Stat Voltages: 8 | Run Digital Redundancy Test: 18\n");
- pc.printf("loop Measurements: 9 | Run Open Wire Test: 19\n");
- pc.printf("Read PEC Errors: 10 | Loop measurements with datalog output: 20\n");
- pc.printf("\n");
- pc.printf("Please enter command:\n");
- pc.printf("\n");
-}
-*/
+
void print_cells(uint8_t datalog_en)
{
@@ -401,9 +510,6 @@
pc.printf("\n");
}
-/*!****************************************************************************
- \brief Prints Open wire test results to the serial port
- *****************************************************************************/
void print_open()
{
for (int current_ic =0 ; current_ic < TOTAL_IC; current_ic++) {
@@ -419,9 +525,7 @@
}
}
-/*!****************************************************************************
- \brief Prints GPIO voltage codes and Vref2 voltage code onto the serial port
- *****************************************************************************/
+
void print_aux(uint8_t datalog_en)
{
@@ -442,9 +546,7 @@
pc.printf("\n");
}
-/*!****************************************************************************
- \brief Prints Status voltage codes and Vref2 voltage code onto the serial port
- *****************************************************************************/
+
void print_stat()
{
@@ -459,10 +561,7 @@
pc.printf("\n");
}
-/*!******************************************************************************
- \brief Prints the configuration data that is going to be written to the LTC6811
- to the serial port.
- ********************************************************************************/
+
void print_config()
{
int cfg_pec;
@@ -494,10 +593,7 @@
// pc.printf("\n");
}
-/*!*****************************************************************
- \brief Prints the configuration data that was read back from the
- LTC6811 to the serial port.
- *******************************************************************/
+
void print_rxconfig()
{
//pc.printf("Received Configuration ");
@@ -554,12 +650,12 @@
}
-// hex conversion constants
+
char hex_digits[16]= {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
};
-// global variables
+
char hex_to_byte_buffer[5]= {
'0', 'x', '0', '0', '\0'
@@ -576,38 +672,38 @@
//pc.printf("check 1\n");
while (index < UI_BUFFER_SIZE-1) {
//pc.printf("check 2\n");
- c = pc.getc(); //read one character
+ c = pc.getc();
//return c;
//pc.printf("check 3\n");
- if (((char) c == '\r') || ((char) c == '\n')) break; // キャリッジ リターンまたはラインフィードの場合は、データを停止して返します。
- if ( ((char) c == '\x7F') || ((char) c == '\x08') ) { // remove previous character (decrement index) if Backspace/Delete key pressed index--;
+ if (((char) c == '\r') || ((char) c == '\n')) break;
+ if ( ((char) c == '\x7F') || ((char) c == '\x08') ) {
if (index > 0) index--;
} else if (c >= 0) {
- ui_buffer[index++]=(char) c; // put character into ui_buffer
+ ui_buffer[index++]=(char) c;
}
//pc.printf("check 4\n");
}
- ui_buffer[index]='\0'; // terminate string with NULL
+ ui_buffer[index]='\0';
- if ((char) c == '\r') { // if the "last" character was a carriage return, also clear linefeed if it is next character
+ if ((char) c == '\r') {
wait_ms(1);
//pc.printf("check 5\n");
if (pc.readable()==1) {
//pc.printf("check 6\n");
- pc.getc(); // if linefeed appears, read it and throw it away
+ pc.getc();
}
- //pc.printf("check 7\n");
+
}
- //pc.printf("check 8\n");
+
- return index; // return number of characters, not including null terminator
+ return index;
}
-// Read a float value from the serial interface
+
float read_float()
{
float data;
@@ -616,13 +712,7 @@
return(data);
}
-// Read an integer from the serial interface.
-// The routine can recognize Hex, Decimal, Octal, or Binary
-// Example:
-// Hex: 0x11 (0x prefix)
-// Decimal: 17
-// Octal: 021 (leading zero prefix)
-// Binary: B10001 (leading B prefix)
+
int32_t read_int()
{
int32_t data;
@@ -636,14 +726,13 @@
return(data);
}
-// Read a string from the serial interface. Returns a pointer to the ui_buffer.
char *read_string()
{
read_data();
return(ui_buffer);
}
-// Read a character from the serial interface
+
int8_t read_char()
{
read_data();