Revision 0:1a55aa7b10a5, committed 2021-05-03
- Comitter:
- caa45040
- Date:
- Mon May 03 05:18:29 2021 +0000
- Commit message:
- stm32l010f4p6 adc mcp9701 1
Changed in this revision
diff -r 000000000000 -r 1a55aa7b10a5 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon May 03 05:18:29 2021 +0000
@@ -0,0 +1,96 @@
+#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)
+
+//アナログ入力の設定
+AnalogIn adc_vbat(A3); //PA_4
+//AnalogIn adc_vbat(A0); //767
+
+#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);
+} //ch_hex_a
+
+int ii; //ループカウンタ
+int s; //アナログ読み取り値
+
+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
+
+ //無限ループ
+ while (1) {
+ //液晶のクリア
+ i2c.write(ADDR_LCD,INIT_cls,2);wait_ms(2);
+
+ //adcの読み込み 0から4096
+ s = (adc_vbat.read_u16()>>4);
+
+ //電圧を温度に変換 ex 20.0 -> 200 温度の十倍を出力
+ s=((s-496)*27081)>>16;
+
+ //小数点以上と小数点以下を分ける
+ ii=DVI10(s); // 10の桁
+ s =(s-(ii*10))*10; // 1の桁
+
+ //温度の小数点以上の表示
+ i2c.write(ADDR_LCD, ch_hex_a( ii ) ,4);
+
+ //温度の小数点以下の表示
+ ch_hex_a( s );
+ ch_hex_a_b[1] = '.';
+ //ch_hex_a_b[2] = '0' + s;
+ ch_hex_a_b[3] = 'C';
+ i2c.write(ADDR_LCD, ch_hex_a_b ,4);
+
+ //1秒待つ
+ wait_ms(1000);
+
+ }//while
+
+}//main
+
+//容量削減
+void error(const char* format, ...){}
diff -r 000000000000 -r 1a55aa7b10a5 mbed.bld
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld Mon May 03 05:18:29 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/2e9cc70d1897
\ No newline at end of file