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Update i2samp.py to provide i2s volume control

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This commit is contained in:
Melissa LeBlanc-Williams 2025-08-16 14:00:18 -07:00
parent 5547ffd352
commit 88467546ee
1 changed files with 9 additions and 8 deletions
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17
i2samp.py
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@ -10,6 +10,7 @@ shell = Shell()
BLACKLIST = "/etc/modprobe.d/raspi-blacklist.conf"
PRODUCT_NAME = "I2S Amplifier"
OVERLAY = "googlevoicehat-soundcard"
def driver_loaded(driver_name):
return shell.run_command(f"lsmod | grep -q '{driver_name}'", suppress_message=True)
@ -38,10 +39,10 @@ def main():
print(f"\nAdding Device Tree Entry to {config}")
if shell.pattern_search(config, "^dtoverlay=max98357a$"):
if shell.pattern_search(config, f"^dtoverlay={OVERLAY}$"):
print("dtoverlay already active")
else:
shell.write_text_file(config, "dtoverlay=max98357a")
shell.write_text_file(config, f"dtoverlay={OVERLAY}")
reboot = True
if os.path.exists(BLACKLIST):
@ -111,12 +112,12 @@ WantedBy=multi-user.target""", append=False)
shell.run_command("sudo systemctl daemon-reload")
shell.run_command("sudo systemctl disable aplay")
print("\nYou can optionally activate '/dev/zero' playback in\n"
"the background at boot. This will remove all\n"
"popping/clicking but does use some processor time.\n\n")
if shell.prompt("Activate '/dev/zero' playback in background? [RECOMMENDED]\n", default="y"):
shell.run_command("sudo systemctl enable aplay")
reboot = True
#print("\nYou can optionally activate '/dev/zero' playback in\n"
# "the background at boot. This will remove all\n"
# "popping/clicking but does use some processor time.\n\n")
#if shell.prompt("Activate '/dev/zero' playback in background? [RECOMMENDED]\n", default="y"):
# shell.run_command("sudo systemctl enable aplay")
# reboot = True
if driver_loaded("max98357a"):
print(f"\nWe can now test your {PRODUCT_NAME}")