twe-liteを用いた実験用プログラム。回転数をメイン側へ送信する目的で書いた。
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Revision 1:7c604d96b162, committed 2018-02-25
- Comitter:
- Joeatsumi
- Date:
- Sun Feb 25 05:31:09 2018 +0000
- Parent:
- 0:25af5436ac17
- Commit message:
- 2018/2/25;
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Fri Feb 23 04:21:22 2018 +0000
+++ b/main.cpp Sun Feb 25 05:31:09 2018 +0000
@@ -3,28 +3,30 @@
Serial pc(USBTX,USBRX);
DigitalOut myled(LED1);
-#define DATA_SIZE 10
+#define DATA_SIZE 11
+
+char s[11] ;//this can take up to 10 byte characters
char dam;
-int rpm=76;
+short int rpm=76;
struct{
char highbyte;
char lowbyte;
short intdat;
}data;
+char highbyte,lowbyte;
+
+
void rec(){
- char DATA[DATA_SIZE] = {':', '0', '4', '0', '1', '3', '9', 'X', '\r', '\n'};
- //04
- /*:は送信時に必要なヘッダー。78は相手のID(0x78)。01は送信コマンドとして必要。
- 39は任意の値。Xはチェックサムの省略形。 \r\nは改行コマンド*/
-
- for (int i = 0 ; i < DATA_SIZE ; i++){
- pc.putc(DATA[i]);
- myled=1;
+ rpm+=1000;
- }
-
+ sprintf(s, ":0401%dX\r\n",rpm);
+ /*配列sにまとめて代入。*/
+ for (int i = 0 ; i < DATA_SIZE ; i++){
+ pc.putc(s[i]);
+ }
+ rpm-=1000;
}
int main() {
pc.baud(115200);
