Kaoru Onoe
/
ST7565SPI_Test
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Revision 0:d53b674e7f03, committed 2015-03-01
- Comitter:
- kayekss
- Date:
- Sun Mar 01 19:30:56 2015 +0000
- Commit message:
- Example of library ST7565SPI: Driver library for ST7565 graphics LCD controller over SPI interface.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ST7565SPI.lib Sun Mar 01 19:30:56 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/kayekss/code/ST7565SPI/#2150513a5b18
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Mar 01 19:30:56 2015 +0000
@@ -0,0 +1,46 @@
+#include "mbed.h"
+#include "ST7565SPI.h"
+
+ST7565SPI lcd(/*MOSI*/ p5, /*SCK*/ p7, /*CS*/ p8,
+ /*RS*/ p11, /*RST*/ p12, /*Frequency*/ 1000000);
+
+// Dithered gray patterns
+uint8_t const pattern[8][4] = {
+ { 0xff, 0xff, 0xff, 0xff }, // 100%
+ { 0x77, 0xff, 0xdd, 0xff }, // 87.5%
+ { 0x55, 0xff, 0x55, 0xff }, // 75%
+ { 0x55, 0xbb, 0x55, 0xee }, // 62.5%
+ { 0x55, 0xaa, 0x55, 0xaa }, // 50%
+ { 0x55, 0x22, 0x55, 0x88 }, // 37.5%
+ { 0x55, 0x00, 0x55, 0x00 }, // 25%
+ { 0x11, 0x00, 0x44, 0x00 } // 12.5%
+};
+
+int main(void) {
+ // Initialize LCD
+ lcd.init(/*V0*/ 3, /*Contrast*/ 48, /*Bias*/ ST7565SPI::Bias1_9);
+
+ // Draw horizontal stripes
+ for (uint8_t j = 0; j < 8; j++) {
+ lcd.setPage(j);
+ lcd.setColumn(0);
+ for (uint8_t i = 0; i < 128 / 4; i++) {
+ lcd.data(pattern[j][0]);
+ lcd.data(pattern[j][1]);
+ lcd.data(pattern[j][2]);
+ lcd.data(pattern[j][3]);
+ }
+ }
+
+ // Scroll entire display by changing line offset values
+ uint8_t c = 0;
+ while (1) {
+ lcd.command(ST7565SPI::COMMON_OFFSET + c);
+ if (c == 0) {
+ c = 63;
+ } else {
+ c--;
+ }
+ wait(.25);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Mar 01 19:30:56 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9ad691361fac \ No newline at end of file