![](/media/cache/profiles/b2ea5e977c5fc1ccfa74171a9723dd61.50x50_q85.png)
Google weather APIから取得したお天気情報をVFDに表示します。
Dependencies: NetServices mbed spxml
Diff: vfd_gp1059.h
- Revision:
- 0:e89d01416461
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vfd_gp1059.h Sat Nov 26 12:12:08 2011 +0000 @@ -0,0 +1,155 @@ +/* + +VFD Control class for GP1059A01 + +=============== +GP1059A01 INTERFACE CONNECTION +--------------- +1 D0 2 D1 +3 D2 4 D3 +5 D4 6 D5 +7 D6 8 D7 +9 GND 10 INT +11 WR 12 RD +13 CS 14 C/D +15 5V 16 5V +17 5V 18 GND +19 GND 20 ebb(+70V) + +===================== +mbed CONNECTION +--------------------- +mbed GP1059A01(I/O) +--------------------- +p5 1 (D0) I/O +p6 2 (D1) I/O +p7 3 (D2) I/O +p8 4 (D3) I/O +p9 5 (D4) I/O +p10 6 (D5) I/O +p11 7 (D6) I/O +p12 8 (D7) I/O +p13 10 (INT) O +p14 11 (WR) I +p15 12 (RD) I +p16 13 (CS) I +p17 14 (C/D) I +GND 9,18,19 (GND) +===================== + +*/ + +#ifndef __VFD_GP1059_H__ +#define __VFD_GP1059_H__ + +#include "mbed.h" + +class VFD_GP1059 { +private: + BusOut data; + DigitalOut wr,rd,cs,cd; + DigitalIn intr; + + void init(){ + cs = 1; + wr = 1; + rd = 1; + cd = 1; + } + +public: + // constructor + VFD_GP1059(PinName d0_pin, + PinName d1_pin, + PinName d2_pin, + PinName d3_pin, + PinName d4_pin, + PinName d5_pin, + PinName d6_pin, + PinName d7_pin, + PinName intr_pin, + PinName wr_pin, + PinName rd_pin, + PinName cs_pin, + PinName cd_pin) : + data(d0_pin, d1_pin, d2_pin, d3_pin, d4_pin, d5_pin, d6_pin, d7_pin), + intr(intr_pin), + wr(wr_pin), + rd(rd_pin), + cs(cs_pin), + cd(cd_pin) { + init(); + cls(); + } + + void send_cmd(uint8_t cmd){ + cd = 1; // C/D SET HIGH + data = cmd; // COMMAND SET + cs = 0; // CS SET LOW + wr = 0; // WR SET LOW + wait_us(2); // wait 2us + wr = 1; // WR SET HIGH + cs = 1; // CS SET HIGH + wait_us(4); // wait 4us + + return; + } + + void send_data(uint8_t data_value){ + cd = 0; // C/D SET HIGH + data = data_value; // DATA SET + cs = 0; // CS SET LOW + wr = 0; // WR SET LOW + wait_us(2); // wait 2us + wr = 1; // WR SET HIGH + cs = 1; // CS SET HIGH + wait_us(4); // wait 4us + + return; + } + + // Luminance Adjustment (06H) + void luminance_adjustment(uint8_t data){ + send_cmd(6); + send_data(data); + + return; + } + + // 04H,05H,02H: Setting address of Write + void set_write_read_address(uint16_t address){ + send_cmd(4); // 04H: Setting lower address of Write-Read + send_data((uint8_t)(address & 0x0ff)); // mask upper address + + send_cmd(5); // 05H: Setting upper address of Write-Read + send_data((uint8_t)(address >> 8)); // 8bit shift + + send_cmd(2); // 02H: Data Write + + return; + } + + // 07H,08H: Setting address display started + void set_disp_start_address(uint16_t address){ + send_cmd(7); // 07H: Setting lower address display started + send_data((uint8_t)(address & 0x0ff)); + + send_cmd(8); // 08H: Setting upper address display started + send_data((uint8_t)(address >> 8)); + + return; + } + + // Clear display memory + void cls(){ + set_disp_start_address(0); + set_write_read_address(0); + for (int i = 0; i < 0x1fff; i++){ + send_data(0); + } + return; + } + +}; + +#endif \ No newline at end of file