Revision 0:b98487737435, committed 2021-05-12
- Comitter:
- caa45040
- Date:
- Wed May 12 22:14:44 2021 +0000
- Commit message:
- stm32l010 soft serial rx 1
Changed in this revision
diff -r 000000000000 -r b98487737435 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed May 12 22:14:44 2021 +0000
@@ -0,0 +1,223 @@
+#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)
+
+//Serial pc(USBTX, USBRX); // tx, rx
+//Serial pc(SERIAL_TX, SERIAL_RX); //767
+//Serial pc(PA_2, PA_3); //010
+//Serial pc(PA_9, PA_10); //010
+
+#define UART_DELAY 96 // 1/9600
+
+DigitalOut TX(PA_2);
+DigitalIn RX(PA_3);
+//DigitalOut TX(PA_9);
+//DigitalIn RX(PA_10);
+
+char ch_hex_a_b[5];
+char *ch_hex_a(int l_num)
+{
+ int a,b,c;
+
+ int q=0;
+if(l_num < 0) { l_num = 0 - l_num; q = 1;}
+
+ 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] = '0' + a;
+ ch_hex_a_b[1] = '0' + b;
+ ch_hex_a_b[2] = '0' + c;
+ ch_hex_a_b[3] = 0;
+
+if( q == 1 ) {ch_hex_a_b[0]='-';}
+
+ return(ch_hex_a_b);
+} //ch_hex_a
+
+
+//仮想シリアルへの一文字出力 9600bps
+int pc_putc(char ch) {
+
+ TX=1;
+ TX=0;//START
+ wait_us(UART_DELAY);
+
+ for(int ii=0;ii<8;ii++){
+ TX=(ch>>ii)&1;
+ wait_us(UART_DELAY);
+ }; //for
+
+ TX=1;//Stop
+ wait_us(UART_DELAY);
+
+ return(0);
+
+} //pc_putc
+
+//文字列の表示
+int pc_printf(char *str1) {
+
+ int ii = 0; //ループカウンター
+ while(str1[ii]!=0){
+
+ //一文字出力
+ pc_putc(str1[ii]);ii++;
+
+ } //while
+
+ //戻り値
+ return(0);
+}
+
+//タイマーの定義
+Timer t;
+
+int a,b,c,d,e,f,g,h;
+int bs;
+int zt,at,bt,ct,dt,et,ft,gt,ht,it;
+char *ret1="\r\n";
+
+
+int pc_getc()
+{
+
+ //待ちループ
+ while( RX == 1 ) {}
+
+//llllllllllllllllllllllllllllllllllllllll
+
+ zt = t.read_us();
+
+ wait_us(156-7-12);
+
+ a=RX;
+ at = t.read_us();
+
+ wait_us(104-7-11);
+
+ b=RX;
+ bt = t.read_us();
+
+ wait_us(104-7-11);
+
+ c=RX;
+ ct = t.read_us();
+
+ wait_us(104-7-11);
+
+ d=RX;
+ dt = t.read_us();
+
+ wait_us(104-7-10);
+
+//hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
+
+ e=RX;
+ et = t.read_us();
+
+ wait_us(104-7-11);
+
+ f=RX;
+ ft = t.read_us();
+
+ wait_us(104-7-12);
+
+ g=RX;
+ gt = t.read_us();
+
+ wait_us(104-7-11);
+
+ h=RX;
+ ht = t.read_us();
+
+ wait_us(156-7-11);
+
+ it = t.read_us();
+
+//pc_printf(ret1);
+//pc_printf("0 zt=");
+//pc_printf( ch_hex_a(zt) );
+//pc_printf(ret1);
+
+//pc_printf("156 at=");
+//pc_printf( ch_hex_a( 156 - (at-zt) ) );
+//pc_printf(ret1);
+
+//pc_printf("260 bt=");
+//pc_printf( ch_hex_a( 260 - (bt-zt) ) );
+//pc_printf(ret1);
+
+//pc_printf("364 ct=");
+//pc_printf( ch_hex_a( 364 - (ct-zt) ) );
+//pc_printf(ret1);
+
+//pc_printf("468 dt=");
+//pc_printf( ch_hex_a( 468 - (dt-zt) ) );
+//pc_printf(ret1);
+
+//pc_printf("572 et=");
+//pc_printf( ch_hex_a( 572 - (et-zt) ) );
+//pc_printf(ret1);
+
+//pc_printf("677 ft=");
+//pc_printf( ch_hex_a( 677 - (ft-zt) ) );
+//pc_printf(ret1);
+
+//pc_printf("781 gt=");
+//pc_printf( ch_hex_a( 781 - (gt-zt) ) );
+//pc_printf(ret1);
+
+//pc_printf("885 ht=");
+//pc_printf( ch_hex_a( 885 - (ht-zt) ) );
+//pc_printf(ret1);
+
+//pc_printf("1041 it=");
+//pc_printf( ch_hex_a( 1041 - (it-zt) ) );
+//pc_printf(ret1);
+
+ //h=0; g=1; f=0; e=0; d=0; c=0; b=0; a=1;
+
+ bs=h*128+g*64+f*32+e*16+d*8+c*4+b*2+a;
+
+ //char str2[2]={ bs ,0};
+ //pc_printf(" ch=[");
+ //pc_printf( str2 );
+ //pc_printf(ret1);
+
+ return(bs);
+}//pc_getc
+
+int main()
+{
+ RX.mode( PullUp ); // 内蔵プルアップを使う
+
+ //タイマーの開始
+ t.start();
+ //pc.printf("Hello World!\r\n");
+ //t.stop();
+
+ char ch;
+
+ while(1) {
+
+ t.reset();
+
+ ch = pc_getc();
+
+ char str2[2]={ ch ,0};
+ pc_printf("-----ch=[");
+ pc_printf( str2 );
+ pc_printf(ret1);
+
+
+ wait(1.0);
+ }//while
+}//main
+
+//容量削減
+void error(const char* format, ...){}
diff -r 000000000000 -r b98487737435 mbed.bld
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld Wed May 12 22:14:44 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/2e9cc70d1897
\ No newline at end of file