Dependencies: mbed SSD1306_128x64_I2C
Revision 0:4d73aa11824e, committed 2021-03-07
- Comitter:
- caa45040
- Date:
- Sun Mar 07 11:39:49 2021 +0000
- Commit message:
- i2c oled ds1307 stm32f103c8t6 n
Changed in this revision
diff -r 000000000000 -r 4d73aa11824e SSD1306_128x64_I2C.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SSD1306_128x64_I2C.lib Sun Mar 07 11:39:49 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/jk1lot/code/SSD1306_128x64_I2C/#46dcbaa430f4
diff -r 000000000000 -r 4d73aa11824e main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Mar 07 11:39:49 2021 +0000
@@ -0,0 +1,84 @@
+#include "mbed.h"
+#include "SSD1306.h"
+
+#define ADDR_OLED (0x3c<<1) // address
+//#define ADDR_OLED (0x3d<<1) // address
+#define ADDR (0xD0) // address
+
+//I2C i2c(I2C_SDA, I2C_SCL);
+I2C i2c(PB_7, PB_6); // STM32F103C8
+
+// Host PC Communication channels
+//Serial pc(USBTX, USBRX); // tx, rx
+Serial pc(PA_9, PA_10); // tx, rx 103
+
+// Instantiate OLED
+SSD1306 oled(i2c, ADDR_OLED);
+
+int ii; //ループカウンター
+int jj; //ループカウンター
+int cursor1; //文字カウンター
+
+char data_read[8]; //i2cバッファー
+
+char ch_hex_a_b[4];
+char *ch_hex_a(int l_num)
+{
+ ch_hex_a_b[0] = '0' + (l_num >> 4);
+ ch_hex_a_b[1] = '0' + (l_num & 0xf);
+ ch_hex_a_b[2] = '.';
+ ch_hex_a_b[3] = 0;
+ return(ch_hex_a_b);
+}
+
+void i2c_oled_w(char *s)
+{
+ ii=0;
+ while(1){
+ if(s[ii] == 0) break;
+ // y x
+ oled.writeBigChar(0, cursor1*16,s[ii]);
+ cursor1=cursor1 + 1;
+ ii=ii+1;
+ } //for
+} //i2c_oled_w
+
+int main() {
+ pc.baud(9600);
+ //oled.writeString(0, 0, "Hello World !");
+
+ char n1_8[] = "12345678";
+
+ ii=0;
+ for(jj=0;jj<8;jj++){
+ // y x
+ oled.writeBigChar(0, ii*16,n1_8[jj]);
+ ii = ii + 1;
+ } //for
+ pc.printf("Printed something\r");
+ wait_ms(500);
+
+ //for(ii=0;ii<8;ii++){
+ // oled.writeString(ii, 0, "Hello World !");
+ //}
+ //wait_ms(1000);
+
+ while(1){
+
+ //液晶のクリア
+ cursor1 = 0;
+
+ //時間の読み込み
+ i2c.write(ADDR, "\000", 1);
+ i2c.read(ADDR | 1, data_read, 7);
+
+ //画面に表示
+ i2c_oled_w(ch_hex_a(data_read[2]));
+ i2c_oled_w(ch_hex_a(data_read[1]));
+ ch_hex_a(data_read[0]);ch_hex_a_b[2]=0;
+ i2c_oled_w(ch_hex_a_b);
+
+ wait_ms(1000);
+
+ } //while
+}
diff -r 000000000000 -r 4d73aa11824e mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Mar 07 11:39:49 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file