Revision 0:2fb1d65282c2, committed 2021-04-30
- Comitter:
- caa45040
- Date:
- Fri Apr 30 09:22:47 2021 +0000
- Commit message:
- stm32l010f4p6 2048000
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Apr 30 09:22:47 2021 +0000
@@ -0,0 +1,124 @@
+#include "mbed.h"
+
+//10の割り算 0から1028までは、正しい。主に0から999
+#define DVI10(n) ((n*205)>>11)
+
+//16ビットadcの4ビットの変換テーブル
+#define ADC4BIT { 0 , 62 ,125 ,187 ,250 ,312 ,375 ,437 ,500 ,562 ,625 ,687 ,750 ,812 ,875 ,937 }
+
+//AnalogIn adc_vbat(A3); //PA_4
+
+#define ADDR (0xD0) // address
+#define ADDR_LCD (0x7C) // address
+
+//I2C i2c(I2C_SDA, I2C_SCL); //767
+//I2C i2c(dp5, dp27); //1114
+I2C i2c(PA_10, PA_9); //010
+
+char data_read[8]; //i2cバッファー
+
+char INIT_com[]={0x0,0x38,
+0x0,0x39,
+0x0,0x4,
+0x0,0x14,
+0x0,0x70,
+0x0,0x56,
+0x0,0x6C,
+0x0,0x38,
+0x0,0xC,
+0x0,0x1,
+0x40,0x41};
+
+char INIT_cls[]={0x0,0x1};
+
+char ch_hex_a_b[5];
+char *ch_hex_a(int l_num)
+{
+ int a,b,c;
+
+ b=DVI10(l_num);
+ c=l_num-(b*10);
+ l_num=b;
+ a=DVI10(l_num);
+ b=l_num-(a*10);
+
+ ch_hex_a_b[0] = '@';
+ ch_hex_a_b[1] = '0' + a;
+ ch_hex_a_b[2] = '0' + b;
+ ch_hex_a_b[3] = '0' + c;
+ ch_hex_a_b[4] = 0;
+
+ return(ch_hex_a_b);
+}
+
+int ii; //ループカウンタ
+
+int main()
+{
+ //printf("767\r\n"); //767
+ //液晶の初期化
+ for(ii=0;ii<11;ii++){
+ i2c.write(ADDR_LCD, &INIT_com[ii*2], 2);wait_ms(2);
+ } //for
+
+ i2c.write(ADDR, "\230", 1); //16bit 15sps PGA x1
+
+// int p,s; //767
+ int s; //101
+
+// float Volts;
+// float Vref = 2.048 ;
+
+ short bit4[]=ADC4BIT;
+
+ while (1) {
+ //液晶のクリア
+ i2c.write(ADDR_LCD,INIT_cls,2);wait_ms(2);
+
+// //adcの読み込み
+// s = (adc_vbat.read_u16()>>4);
+//
+// // (4096*165)/2048=330 電圧の100倍に変換
+// //s = 13;
+// p = (s*165) >> 11;
+
+ //データの読み込み
+ i2c.read(ADDR | 1, data_read, 2);
+
+ s = (data_read[0] * 256 ) + data_read[1];
+ //s = 32767;
+// printf("-s=%d\r\n",s); //767
+// printf(" h=%d\r\n",data_read[0]);
+// printf(" l=%d\r\n",data_read[1]);
+
+// Volts = s * Vref / 32767.0f ;
+// printf(" f=%f\r\n",Volts );
+
+// p = ( (s >> 4) * 1000 ) + (bit4[ s & 0xf ]) ;
+// printf(" q= %d\r\n",p); //767
+
+//s=(65536/2/2/2)+1;
+
+ii=(s >> 4);
+if ( ii >= 2000 ) { ii = ii - 2000; /*printf("2.\n\r");*/ i2c.write(ADDR_LCD,"@2.",3); }
+else if( ii >= 1000 ) { ii = ii - 1000; /*printf("1.\n\r");*/ i2c.write(ADDR_LCD,"@1.",3); }
+else { /*printf("0.\n\r");*/ i2c.write(ADDR_LCD,"@0.",3); }
+
+//printf(" o=%s\r\n",ch_hex_a( ii ) );
+i2c.write(ADDR_LCD, ch_hex_a( ii ) ,4);
+
+//printf(" o=%s\r\n",ch_hex_a( (bit4[ s & 0xf ]) ) );
+i2c.write(ADDR_LCD,ch_hex_a( ( (int)bit4[ s & 0xf ])) ,4);
+
+// // 32768/(163.84/2)=400 luxに変換
+// p=( ((s>>5)*6) + (s>>7) ) >> 4;
+// //printf(" p=%d\r\n",p); //767
+//
+// i2c.write(ADDR_LCD, ch_hex_a( p ) ,4);
+
+ wait_ms(1000);
+ }//while
+
+}//main
+
+void error(const char* format, ...){}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld Fri Apr 30 09:22:47 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/2e9cc70d1897
\ No newline at end of file