-
Notifications
You must be signed in to change notification settings - Fork 426
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
bf1ab08
commit 3c799a3
Showing
1 changed file
with
90 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,90 @@ | ||
/** | ||
* @file DAC2_GP8413.ino | ||
* @author SeanKwok (shaoxiang@m5stack.com) | ||
* @brief Basic Unit DAC2 Test | ||
* @version 0.1 | ||
* @date 2024-01-09 | ||
* | ||
* | ||
* @Hardwares: Basic + Unit DAC2(GP8413) | ||
* @Platform Version: Arduino M5Stack Board Manager v2.0.9 | ||
* @Dependent Library: | ||
* M5GFX: https://github.com/m5stack/M5GFX | ||
* M5Unified: https://github.com/m5stack/M5Unified | ||
* DFRobot_GP8XXX: https://github.com/DFRobot/DFRobot_GP8XXX | ||
*/ | ||
|
||
#include <M5GFX.h> | ||
#include <M5Unified.h> | ||
#include <DFRobot_GP8XXX.h> | ||
|
||
DFRobot_GP8XXX_IIC GP8413(RESOLUTION_15_BIT, 0x59, &Wire); | ||
|
||
// range is 0~10000mv | ||
void setDacVoltage(uint16_t vol, uint8_t ch) { | ||
uint16_t setting_vol = 0; | ||
if (vol > 10000) { | ||
vol = 10000; | ||
} | ||
if (ch > 1) ch = 1; | ||
setting_vol = (int16_t)((float)vol / 10000.0f * 32767.0f); | ||
if (setting_vol > 32767) { | ||
setting_vol = 32767; | ||
} | ||
GP8413.setDACOutVoltage(setting_vol, ch); | ||
} | ||
|
||
void AllOutputCtl(uint16_t vol) { | ||
M5.Display.fillRect(0, 0, M5.Display.width(), 30, vol > 0 ? GREEN : ORANGE); | ||
M5.Display.drawString("OUTPUT " + String(vol) + "mv", | ||
M5.Display.width() / 2, 0); | ||
// set channel0 | ||
setDacVoltage(vol, 0); | ||
// set channel1 | ||
setDacVoltage(vol, 1); | ||
} | ||
|
||
void setup(void) { | ||
auto cfg = M5.config(); | ||
|
||
M5.begin(cfg); | ||
M5.Display.setRotation(1); | ||
M5.Display.setTextDatum(top_center); | ||
M5.Display.setTextColor(WHITE); | ||
M5.Display.setFont(&fonts::FreeSansBoldOblique12pt7b); | ||
M5.Display.setTextSize(1); | ||
M5.Display.drawString("DAC2", M5.Display.width() / 2, | ||
M5.Display.height() / 2 - 20); | ||
Wire.end(); | ||
Wire.begin(21, 22); | ||
|
||
while (GP8413.begin() != 0) { | ||
Serial.println("Init Fail!"); | ||
M5.Display.drawString("Init Fail!", M5.Display.width() / 2, | ||
M5.Display.height() / 2); | ||
delay(1000); | ||
} | ||
M5.Display.clear(); | ||
M5.Display.drawString("DAC2", M5.Display.width() / 2, | ||
M5.Display.height() / 2 - 20); | ||
GP8413.setDACOutRange(GP8413.eOutputRange10V); | ||
M5.Display.drawString("BtnA En/Dis Output", M5.Display.width() / 2, | ||
M5.Display.height() / 2 + 20); | ||
|
||
AllOutputCtl(0); | ||
} | ||
|
||
bool output = false; | ||
|
||
void loop(void) { | ||
M5.update(); | ||
if (M5.BtnA.wasClicked()) { | ||
output = !output; | ||
if (output) { | ||
AllOutputCtl(3300); | ||
// AllOutputCtl(10000); | ||
} else { | ||
AllOutputCtl(0); | ||
} | ||
} | ||
} |