Noriaki Mitsunaga
This is a sample program to use an IS color switch from NKK. It reads a file from SD card and send to the switch. Supported file format is the one that is used by a NKK\'s editor for IS series switches. Part of this program is derived from a sample program for PIC micro cotnroller written by NKK.
Dependencies: mbed SDFileSystem
Revision 0:290c094a8d94, committed 2011-01-30
- Comitter:
- non
- Date:
- Sun Jan 30 05:44:21 2011 +0000
- Commit message:
Changed in this revision
diff -r 000000000000 -r 290c094a8d94 FATFileSystem.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FATFileSystem.lib Sun Jan 30 05:44:21 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_unsupported/code/fatfilesystem/ \ No newline at end of file
diff -r 000000000000 -r 290c094a8d94 SDFileSystem.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Sun Jan 30 05:44:21 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/SDFileSystem/#b1ddfc9a9b25
diff -r 000000000000 -r 290c094a8d94 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Jan 30 05:44:21 2011 +0000
@@ -0,0 +1,229 @@
+/*
+ Sample program to use IS color switch from NKK.
+ Part of this program is derived from a sample program for PIC
+ micro cotnroller written by NKK.
+*/
+#include "mbed.h"
+#include "SDFileSystem.h"
+
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+SPI spi(p11, p12, p13); // mosi(SDO), miso(SDI), sclk(SCLK)
+DigitalOut is_cs(p21);
+DigitalOut is_reset(p22);
+DigitalOut is_dc(p23);
+DigitalOut is_vcc(p24);
+DigitalOut led1(LED1);
+
+void OledAdrInit( int DevType );
+void OledDspMode( int DspMode );
+void OledInit( void );
+void OledSendCommand( const unsigned char *com );
+void OledSendData( const unsigned char *dat, int len );
+
+const int DAT = 1;
+const int CMD = 0;
+int DevType = 1; // 0:ISC01, 1:ISC15
+int DspMode = 1; // 0:256, 1:64k colors
+
+unsigned char dat[64*48*2];
+const unsigned char cls[64*48*2] = {0};
+
+int main() {
+ // Setup the spi for 8 bit data, high steady state clock,
+ // second edge capture, with a 4MHz clock rate
+ spi.format(8, 3);
+ spi.frequency(4000000);
+
+ OledInit();
+
+#if 1
+ for (;;) {
+ DIR *d;
+ struct dirent *p;
+ d = opendir("/sd");
+ if (d != NULL) {
+ while ((p = readdir(d)) != NULL) {
+ char fname[20];
+ sprintf(fname, "/sd/%s", p->d_name);
+ FILE *fp = fopen(fname, "rb");
+ if (fp == NULL) {
+ // error("Could not open file for read\n");
+ } else {
+ fread(dat, 1, 8, fp); // skip header
+ fread(dat, 1, sizeof(dat), fp);
+ fclose(fp);
+ OledAdrInit(DevType);
+ OledDspMode(DspMode);
+ OledSendData(dat, 64*48*2);
+ }
+ }
+ closedir(d);
+ }
+ }
+#else
+ for (int i=0; i<64*48; i ++) {
+ dat[i*2] = (i & 0xff00) >> 8;
+ dat[i*2 + 1] = i & 0xff;
+ }
+ OledAdrInit(DevType);
+ OledDspMode(DspMode);
+ OledSendData(dat, 64*48*2);
+
+ for (;;) {
+ OledAdrInit(DevType);
+ OledDspMode(DspMode);
+ OledSendData(dat, 64*48*2);
+ led1 = 0;
+ wait (0.5);
+ OledAdrInit(DevType);
+ OledDspMode(DspMode);
+ OledSendData(cls, 64*48*2);
+ led1 = 1;
+ wait (0.5);
+ }
+#endif
+}
+
+// OLED's initial setup commands (IS15)
+const unsigned char SetupColumnAddress[] = { 0x03, 0x15, 0x10, 0x4f };
+const unsigned char SetupRowaddress[] = { 0x03, 0x75, 0x00, 0x2f };
+const unsigned char SetContrastColorA[] = { 0x02, 0x81, 0x19 };
+const unsigned char SetContrastColorB[] = { 0x02, 0x82, 0x14 };
+const unsigned char SetContrastColorC[] = { 0x02, 0x83, 0x24 };
+const unsigned char MasterCurrentControl[] = { 0x02, 0x87, 0x0f };
+const unsigned char RemapColorDepth[] = { 0x02, 0xa0, 0x70 };
+const unsigned char SetDisplayStartLine[] = { 0x02, 0xa1, 0x00 };
+const unsigned char SetDisplayOffset[] = { 0x02, 0xa2, 0x10 };
+const unsigned char SetDisplayMode[] = { 0x01, 0xa4 };
+const unsigned char SetMultiplexRatio[] = { 0x02, 0xa8, 0x2f };
+const unsigned char DimModeSetting[] = { 0x05, 0xab, 0x12, 0x0c, 0x14, 0x12 };
+const unsigned char SetDisplayDim[] = { 0x01, 0xac };
+const unsigned char SetDisplayOff[] = { 0x01, 0xae };
+const unsigned char SetDisplayNormal[] = { 0x01, 0xaf };
+const unsigned char SetMasterConfiguration[] = { 0x02, 0xad, 0x8e };
+const unsigned char PhasePeriodAdjustment[] = { 0x02, 0xb1, 0x44 };
+const unsigned char DisplayClockDivider[] = { 0x02, 0xb3, 0xa0 };
+const unsigned char EnableLinearGrayScale[] = { 0x01, 0xb9 };
+const unsigned char SetPrechargeLevel[] = { 0x02, 0xbb, 0x12 };
+const unsigned char SetVcomh[] = { 0x03, 0xbe, 0x28 };
+
+const unsigned char ColorDepth64k[] = { 0x02, 0xa0, 0x70 };
+const unsigned char ColorDepth256[] = { 0x02, 0xa0, 0x30 };
+
+// OLED's initial setup commands (for display only type (IS01) )
+const unsigned char SetupColumnAddress_d[] = { 0x03, 0x15, 0x16, 0x49 }; //display
+const unsigned char SetupRowaddress_d[] = { 0x03, 0x75, 0x00, 0x23 }; //display
+const unsigned char SetContrastColorA_d[] = { 0x02, 0x81, 0x0f }; //display
+const unsigned char SetContrastColorB_d[] = { 0x02, 0x82, 0x0e }; //display
+const unsigned char SetContrastColorC_d[] = { 0x02, 0x83, 0x1b }; //display
+const unsigned char SetDisplayOffset_d[] = { 0x02, 0xa2, 0x1c }; //display
+const unsigned char SetMultiplexRatio_d[] = { 0x02, 0xa8, 0x23 }; //display
+const unsigned char DimModeSetting_d[] = { 0x05, 0xab, 0x0b, 0x08, 0x0f, 0x12 }; //display
+const unsigned char DisplayClockDivider_d[] = { 0x02, 0xb3, 0x30 }; //display
+const unsigned char SetVcomh_d[] = { 0x03, 0xbe, 0x21 }; //display
+//
+// Change OLED's address setting
+//
+void OledAdrInit( int DevType ) {
+ if (DevType) {
+ OledSendCommand( SetupColumnAddress );
+ OledSendCommand( SetupRowaddress );
+ } else {
+ OledSendCommand( SetupColumnAddress_d );
+ OledSendCommand( SetupRowaddress_d );
+ }
+}
+
+//
+// Change OLED's color depth setting (64K or 256 colors)
+//
+void OledDspMode( int DspMode ) {
+ if ( DspMode ) {
+ OledSendCommand( ColorDepth64k );
+ } else {
+ OledSendCommand( ColorDepth256 );
+ }
+}
+
+//
+// initial settings of OLED
+//
+void OledInit( void ) {
+ volatile unsigned char delay = 0x20;
+
+ // reset OLED
+ is_vcc = 0;
+ is_reset = 0;
+ wait_us(3);
+ is_reset = 1;
+ is_vcc = 1;
+
+ // initial settings
+ OledAdrInit(DevType);
+
+ if (DevType) {
+ OledSendCommand( SetContrastColorA );
+ OledSendCommand( SetContrastColorB );
+ OledSendCommand( SetContrastColorC );
+ OledSendCommand( MasterCurrentControl );
+ OledSendCommand( SetDisplayStartLine );
+ OledSendCommand( SetDisplayOffset );
+ OledSendCommand( SetDisplayMode );
+ OledSendCommand( SetMultiplexRatio );
+ OledSendCommand( DimModeSetting );
+ OledSendCommand( SetMasterConfiguration );
+ OledSendCommand( PhasePeriodAdjustment );
+ OledSendCommand( DisplayClockDivider );
+ OledSendCommand( EnableLinearGrayScale );
+ OledSendCommand( SetPrechargeLevel );
+ OledSendCommand( SetVcomh );
+ } else {
+ OledSendCommand( SetContrastColorA_d );
+ OledSendCommand( SetContrastColorB_d );
+ OledSendCommand( SetContrastColorC_d );
+ OledSendCommand( MasterCurrentControl );
+ OledSendCommand( SetDisplayStartLine );
+ OledSendCommand( SetDisplayOffset_d );
+ OledSendCommand( SetDisplayMode );
+ OledSendCommand( SetMultiplexRatio_d );
+ OledSendCommand( DimModeSetting_d );
+ OledSendCommand( SetMasterConfiguration );
+ OledSendCommand( PhasePeriodAdjustment );
+ OledSendCommand( DisplayClockDivider_d );
+ OledSendCommand( EnableLinearGrayScale );
+ OledSendCommand( SetPrechargeLevel );
+ OledSendCommand( SetVcomh_d );
+ }
+
+ // display mode settings
+ OledDspMode(DspMode);
+
+ OledSendCommand( SetDisplayNormal );
+}
+
+//
+// Send a command / data to OLED via SPI
+//
+void OledSend( const unsigned char *p, int len ) {
+ for (; len>0; len --, p ++) {
+ is_cs = 0;
+ spi.write(*p);
+ is_cs = 1;
+ }
+}
+
+//
+// Send a command to OLED
+//
+void OledSendCommand( const unsigned char *com ) {
+ is_dc = CMD;
+ OledSend(com+1, *com);
+}
+
+//
+// Send data to OLED
+//
+void OledSendData( const unsigned char *dat, int len ) {
+ is_dc = DAT;
+ OledSend(dat, len);
+}
diff -r 000000000000 -r 290c094a8d94 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Jan 30 05:44:21 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e