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Diff: u8glibARM/u8g_dev_ht1632.c
- Revision:
- 2:6cd3b0947188
- Parent:
- 1:0e75de2a5d21
- Child:
- 3:4cd9171ba989
diff -r 0e75de2a5d21 -r 6cd3b0947188 u8glibARM/u8g_dev_ht1632.c
--- a/u8glibARM/u8g_dev_ht1632.c Mon Jun 13 02:21:11 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,282 +0,0 @@
-/*
-
- u8g_dev_ht1632.c
-
- 1-Bit (BW) Driver for HT1632 controller
-
- Universal 8bit Graphics Library
-
- Copyright (c) 2013, olikraus@gmail.com
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without modification,
- are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this list
- of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above copyright notice, this
- list of conditions and the following disclaimer in the documentation and/or other
- materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-
- U8G_PIN_NONE can be used as argument
-
- uint8_t u8g_InitSPI(u8g_t *u8g, u8g_dev_t *dev, uint8_t sck, uint8_t mosi, uint8_t cs, uint8_t a0, uint8_t reset)
- {
- ...
- u8g->pin_list[U8G_PI_SCK] = sck;
- u8g->pin_list[U8G_PI_MOSI] = mosi;
- u8g->pin_list[U8G_PI_CS] = cs;
- u8g->pin_list[U8G_PI_A0] = a0;
- u8g->pin_list[U8G_PI_RESET] = reset;
-
-mapping
-
-#define DATA_PIN --> U8G_PI_MOSI
-#define WR_PIN --> U8G_PI_SCK
-#define CS_PIN --> U8G_PI_CS
- U8G_PI_A0 --> not used
- U8G_PI_RESET --> not used
-
-Usage:
-
- u8g_InitSPI(&u8g, &u8g_dev_ht1632_24x16, WR_PIN, DATA_IN, CS_PIN, U8G_PIN_NONE, U8G_PIN_NONE)
-
-*/
-
-#include "u8g.h"
-
-#define WIDTH 24
-#define HEIGHT 16
-#define PAGE_HEIGHT 16
-
-/* http://forum.arduino.cc/index.php?topic=168537.0 */
-
-#define HT1632_CMD_SYSDIS 0x00 // CMD= 0000-0000-x Turn off oscil
-#define HT1632_CMD_SYSON 0x01 // CMD= 0000-0001-x Enable system oscil
-#define HT1632_CMD_LEDOFF 0x02 // CMD= 0000-0010-x LED duty cycle gen off
-#define HT1632_CMD_LEDON 0x03 // CMD= 0000-0011-x LEDs ON
-#define HT1632_CMD_BLOFF 0x08 // CMD= 0000-1000-x Blink OFF
-#define HT1632_CMD_BLON 0x09 // CMD= 0000-1001-x Blink On
-#define HT1632_CMD_SLVMD 0x10 // CMD= 0001-00xx-x Slave Mode
-#define HT1632_CMD_MSTMD 0x14 // CMD= 0001-01xx-x Master Mode
-#define HT1632_CMD_RCCLK 0x18 // CMD= 0001-10xx-x Use on-chip clock
-#define HT1632_CMD_EXTCLK 0x1C // CMD= 0001-11xx-x Use external clock
-#define HT1632_CMD_COMS00 0x20 // CMD= 0010-ABxx-x commons options
-#define HT1632_CMD_COMS01 0x24 // CMD= 0010-ABxx-x commons options
-#define HT1632_CMD_COMS10 0x28 // CMD= 0010-ABxx-x commons options
-#define HT1632_CMD_COMS11 0x2C // P-MOS OUTPUT AND 16COMMON OPTION
-#define HT1632_CMD_PWM 0xA0 // CMD= 101x-PPPP-x PWM duty cycle
-
-#define HT1632_ID_CMD 4 /* ID = 100 - Commands */
-#define HT1632_ID_RD 6 /* ID = 110 - Read RAM */
-#define HT1632_ID_WR 5 /* ID = 101 - Write RAM */
-
-#define HT1632_ID_LEN 3 // IDs are 3 bits
-#define HT1632_CMD_LEN 8 // CMDs are 8 bits
-#define HT1632_DATA_LEN 8 // Data are 4*2 bits
-#define HT1632_ADDR_LEN 7 // Address are 7 bits
-
-#if defined(ARDUINO)
-
-#if ARDUINO < 100
-#include <WProgram.h>
-#else
-#include <Arduino.h>
-#endif
-
-//#define WR_PIN 3
-//#define DATA_PIN 2
-//#define CS_PIN 4
-
-void ht1632_write_data_MSB(u8g_t *u8g, uint8_t cnt, uint8_t data, uint8_t extra)
-{
- int8_t i;
- uint8_t data_pin = u8g->pin_list[U8G_PI_MOSI];
- uint8_t wr_pin = u8g->pin_list[U8G_PI_SCK];
-
- for(i = cnt - 1; i >= 0; i--)
- {
- if ((data >> i) & 1)
- {
- digitalWrite(data_pin, HIGH);
- }
- else
- {
- digitalWrite(data_pin, LOW);
- }
-
- digitalWrite(wr_pin, LOW);
- u8g_MicroDelay();
- digitalWrite(wr_pin, HIGH);
- u8g_MicroDelay();
- }
-
- // Send an extra bit
- if (extra)
- {
- digitalWrite(data_pin, HIGH);
- digitalWrite(wr_pin, LOW);
- u8g_MicroDelay();
- digitalWrite(wr_pin, HIGH);
- u8g_MicroDelay();
- }
-}
-
-void ht1632_write_data(u8g_t *u8g, uint8_t cnt, uint8_t data)
-{
- uint8_t i;
- uint8_t data_pin = u8g->pin_list[U8G_PI_MOSI];
- uint8_t wr_pin = u8g->pin_list[U8G_PI_SCK];
- for (i = 0; i < cnt; i++)
- {
-
- if ((data >> i) & 1) {
- digitalWrite(data_pin, HIGH);
- }
- else {
- digitalWrite(data_pin, LOW);
- }
-
- digitalWrite(wr_pin, LOW);
- u8g_MicroDelay();
- digitalWrite(wr_pin, HIGH);
- u8g_MicroDelay();
- }
-}
-
-
-void ht1632_init(u8g_t *u8g)
-{
- //uint8_t i;
- uint8_t data_pin = u8g->pin_list[U8G_PI_MOSI];
- uint8_t wr_pin = u8g->pin_list[U8G_PI_SCK];
- uint8_t cs_pin = u8g->pin_list[U8G_PI_CS];
- pinMode(data_pin, OUTPUT);
- pinMode(wr_pin, OUTPUT);
- pinMode(cs_pin, OUTPUT);
-
- digitalWrite(data_pin, HIGH);
- digitalWrite(wr_pin, HIGH);
- digitalWrite(cs_pin, HIGH);
-
- digitalWrite(cs_pin, LOW);
- /* init display once after startup */
- ht1632_write_data_MSB(u8g, 3, HT1632_ID_CMD, false); // IDs are 3 bits
- ht1632_write_data_MSB(u8g, 8, HT1632_CMD_SYSDIS, true); // 8 bits
- ht1632_write_data_MSB(u8g, 8, HT1632_CMD_SYSON, true); // 8 bits
- ht1632_write_data_MSB(u8g, 8, HT1632_CMD_COMS11, true); // 8 bits
- ht1632_write_data_MSB(u8g, 8, HT1632_CMD_LEDON, true); // 8 bits
- ht1632_write_data_MSB(u8g, 8, HT1632_CMD_BLOFF, true); // 8 bits
- ht1632_write_data_MSB(u8g, 8, HT1632_CMD_PWM+15, true); // 8 bits
- digitalWrite(cs_pin, HIGH);
-
- /* removed following (debug) code */
- /*
- digitalWrite(cs_pin, LOW);
- ht1632_write_data_MSB(u8g, 3, HT1632_ID_WR, false); // Send "write to display" command
- ht1632_write_data_MSB(u8g, 7, 0, false);
- for(i = 0; i<48; ++i)
- {
- ht1632_write_data(u8g, 8, 0xFF);
- }
- digitalWrite(cs_pin, HIGH);
- */
-}
-
-/*
- page: 0=data contain lines 0..16, 1=data contain lines 16..32 (a 24x16 display will only have page 0)
- cnt: width of the display
- data: pointer to a buffer with 2*cnt bytes.
-*/
-void ht1632_transfer_data(u8g_t *u8g, uint8_t page, uint8_t cnt, uint8_t *data)
-{
- uint8_t addr;
- uint8_t cs_pin = u8g->pin_list[U8G_PI_CS];
- /* send data to the ht1632 */
- digitalWrite(cs_pin, LOW);
- ht1632_write_data_MSB(u8g, 3, HT1632_ID_WR, false); // Send "write to display" command
- ht1632_write_data_MSB(u8g, 7, page*2*cnt, false);
-
- // Operating in progressive addressing mode
- for (addr = 0; addr < cnt; addr++)
- {
- ht1632_write_data(u8g, 8, data[addr]);
- ht1632_write_data(u8g, 8, data[addr+cnt]);
- }
- digitalWrite(cs_pin, HIGH);
-}
-
-/* value is between 0...15 */
-void ht1632_set_contrast(u8g_t *u8g, uint8_t value)
-{
- uint8_t cs_pin = u8g->pin_list[U8G_PI_CS];
- digitalWrite(cs_pin, LOW);
- ht1632_write_data_MSB(u8g, 3, HT1632_ID_CMD, false);
- ht1632_write_data_MSB(u8g, 8, HT1632_CMD_PWM + value, false);
- digitalWrite(cs_pin, HIGH);
-}
-
-#else
-void ht1632_init(u8g_t *u8g)
-{
-}
-
-void ht1632_transfer_data(u8g_t *u8g, uint8_t page, uint8_t cnt, uint8_t *data)
-{
-}
-
-void ht1632_set_contrast(u8g_t *u8g, uint8_t value)
-{
-}
-
-#endif /* ARDUINO */
-
-
-uint8_t u8g_dev_ht1632_24x16_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
- switch(msg)
- {
- case U8G_DEV_MSG_INIT:
- ht1632_init(u8g);
- break;
- case U8G_DEV_MSG_STOP:
- break;
- case U8G_DEV_MSG_PAGE_NEXT:
- {
- u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
-
- /* current page: pb->p.page */
- /* ptr to the buffer: pb->buf */
- ht1632_transfer_data(u8g, pb->p.page, WIDTH, pb->buf);
- }
- break;
- case U8G_DEV_MSG_CONTRAST:
- /* values passed to SetContrast() are between 0 and 255, scale down to 0...15 */
- ht1632_set_contrast(u8g, (*(uint8_t *)arg) >> 4);
- return 1;
- }
- return u8g_dev_pb16v1_base_fn(u8g, dev, msg, arg);
-}
-
-uint8_t u8g_dev_ht1632_24x16_buf[WIDTH*2] U8G_NOCOMMON ;
-u8g_pb_t u8g_dev_ht1632_24x16_pb = { {16, HEIGHT, 0, 0, 0}, WIDTH, u8g_dev_ht1632_24x16_buf};
-u8g_dev_t u8g_dev_ht1632_24x16 = { u8g_dev_ht1632_24x16_fn, &u8g_dev_ht1632_24x16_pb, u8g_com_null_fn };
-
-