Revision 0:e573ba46ffc6, committed 2015-02-04

Comitter:

wataaki

Date:

Wed Feb 04 06:06:42 2015 +0000

Commit message:

Initial version

Changed in this revision

diff -r 000000000000 -r e573ba46ffc6 PCA9626B.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PCA9626B.cpp	Wed Feb 04 06:06:42 2015 +0000
@@ -0,0 +1,95 @@
+#include "mbed.h"
+#include "PCA9626B.h"
+ 
+I2C i2c(p28,p27);        // sda, scl
+Serial pc(USBTX, USBRX); // tx, rx
+//LM75B tmp(p28,p27);
+    char cmd[32];
+int i;
+ 
+void set_ch(char sel)
+{    // PCA9541のサンプル
+        // MST_0側の自分にスレーブ側の制御権を得る場合
+    cmd[0] = 1;                     // PCA9541 コマンドコード Cont Reg
+    i2c.write( 0xe2, cmd, 1);       // Cont Regを指定
+    i2c.read( 0xe2, cmd, 1);        // Cont Regを読込み
+    wait(0.1);                      // 0.1s待つ
+    switch(cmd[0] & 0xf)
+    {
+    case 0:                         // bus off, has control
+    case 1:                         // bus off, no control
+    case 5:                         // bus on, no control
+        cmd[0] = 1;                 // PCA9541 コマンドコード Cont Reg
+        cmd[1] = 4;                 // bus on, has control
+        i2c.write( 0xe2, cmd, 2);   // Cont Regにcmd[1]を書込み
+        i2c.read( 0xe2, cmd, 1);    // Cont Regを読込み
+        break;
+    case 2:                         // bus off, no control
+    case 3:                         // bus off, has control
+    case 6:                         // bus on, no control
+        cmd[0] = 1;                 // PCA9541 コマンドコード Cont Reg
+        cmd[1] = 5;                 // bus on, has control
+        i2c.write( 0xe2, cmd, 2);   // Cont Regにcmd[1]を書込み
+        i2c.read( 0xe2, cmd, 1);    // Cont Regを読込み
+        break;
+    case 9:                         // bus on, no control
+    case 0xc:                       // bus on, no control
+    case 0xd:                       // bus off, no control
+        cmd[0] = 1;                 // PCA9541 コマンドコード Cont Reg
+        cmd[1] = 0;                 // bus on, has control
+        i2c.write( 0xe2, cmd, 2);   // Cont Regにcmd[1]を書込み
+        i2c.read( 0xe2, cmd, 1);    // Cont Regを読込み
+        break;
+    case 0xa:                       // bus on, no control
+    case 0xe:                       // bus off, no control
+    case 0xf:                       // bus on, has control
+        cmd[0] = 1;                 // PCA9541 コマンドコード Cont Reg
+        cmd[1] = 1;                 // bus on, has control
+        i2c.write( 0xe2, cmd, 2);   // Cont Regにcmd[1]を書込み
+        i2c.read( 0xe2, cmd, 1);    // Cont Regを読込み
+        break;
+    default:
+        break;
+    }
+
+    cmd[0] = sel;                   // PCA9546 Cont Reg sel channel enabled
+    i2c.write( 0xe8, cmd, 1);       // Send command string
+}
+
+int main ()
+{
+   i2c.frequency(100000);
+    pc.printf("PCA9626B Sample Program\r\n");
+     
+    set_ch(1);              // PCA9626Bはch0に接続
+
+  // PCA9626B
+  cmd[0] = MODE1;           // MODE1
+  cmd[1] = 0x0;           // SLEEP = 0
+  i2c.write(PCA9626B_ADDR, cmd, 2);   // cmd[0]Regにcmd[1]を書込み
+
+  cmd[0] = LEDOUT0 + 0x80;   // LEDOUT0, Auto incriment
+  cmd[1] = 0xaa;          // LED3,2,1,0 10= PWM
+  cmd[2] = 0xaa;          // LED7,6,5,4 10= PWM
+  cmd[3] = 0xaa;          // LED11,10,9,8 10= PWM
+  cmd[4] = 0xaa;          // LED15,14,13,12 10= PWM
+  cmd[5] = 0xaa;          // LED19,18,17,16 10= PWM
+  cmd[6] = 0xaa;          // LED23,22,21,20 10= PWM
+  i2c.write( 0x8, cmd, 7);   // cmd[0]Regにcmd[1-6]を書込み
+
+
+  cmd[0] = PWM0 + 0x80;           // PWM0, Auto incriment
+  for(i=0; i<24; i++)  cmd[i+1] = 0x80;   // PWM = 50%
+  i2c.write(PCA9626B_ADDR, cmd, 25);   // cmd[0]Regにcmd[1-25]を書込み
+
+  while(1)
+  {
+    if (i>30) i = 7;                    // LTR_0_ON
+    cmd[0] = 0x1c;        // CHASE
+    cmd[1] = i++;         // LTR_x_ON
+    i2c.write(PCA9626B_ADDR, cmd, 2);   // cmd[0]Regにcmd[1]を書込み
+    wait(0.5);
+  }
+}
+
+

diff -r 000000000000 -r e573ba46ffc6 PCA9626B.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PCA9626B.h	Wed Feb 04 06:06:42 2015 +0000
@@ -0,0 +1,41 @@
+#define PCA9626B_ADDR 0x8
+
+#define MODE1            0x00
+#define MODE2            0x01
+#define PWM0             0x02
+#define PWM1             0x03
+#define PWM2             0x04
+#define PWM3             0x05
+#define PWM4             0x06
+#define PWM5             0x07
+#define PWM6             0x08
+#define PWM7             0x09
+#define PWM8             0x0a
+#define PWM9             0x0b
+#define PWM10            0x0c
+#define PWM11            0x0d
+#define PWM12            0x0e
+#define PWM13            0x0f
+#define PWM14            0x10
+#define PWM15            0x11
+#define PWM16            0x12
+#define PWM17            0x13
+#define PWM18            0x14
+#define PWM19            0x15
+#define PWM20            0x16
+#define PWM21            0x17
+#define PWM22            0x18
+#define PWM23            0x19
+#define GRPPWM           0x1a
+#define GRPFREQ          0x1b
+#define CHASE            0x1c
+#define LEDOUT0          0x1d
+#define LEDOUT1          0x1e
+#define LEDOUT2          0x1f
+#define LEDOUT3          0x20
+#define LEDOUT4          0x21
+#define LEDOUT5          0x22
+#define SUBADR1          0x23
+#define SUBADR2          0x24
+#define SUBADR3          0x25
+#define ALLCALLADR       0x26

diff -r 000000000000 -r e573ba46ffc6 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Feb 04 06:06:42 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1
\ No newline at end of file