enable sound and espeak

Author: connor rigby

config.txt

@@ -13,7 +13,7 @@ kernel=zImage
 gpu_mem=192
 
 # Enable I2C and SPI
-dtparam=i2c_arm=on,spi=on
+dtparam=i2c_arm=on,spi=on,audio=on
 
 # Comment this in or modify to enable OneWire
 # NOTE: check that the overlay that you specify is in the boot partition or

nerves_defconfig

@@ -30,6 +30,12 @@ BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="bcm2710-rpi-3-b bcm2710-rpi-cm3"
 BR2_LINUX_KERNEL_EXT_KERNEL_WIRELESS_REGDB=y
 BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_NERVES_PATH}/board/nerves-common/busybox-1.22.config"
+BR2_PACKAGE_ALSA_UTILS=y
+BR2_PACKAGE_ALSA_UTILS_AMIXER=y
+BR2_PACKAGE_ALSA_UTILS_APLAY=y
+BR2_PACKAGE_ALSA_UTILS_SPEAKER_TEST=y
+BR2_PACKAGE_ESPEAK=y
+BR2_PACKAGE_ESPEAK_AUDIO_BACKEND_ALSA=y
 BR2_PACKAGE_E2FSPROGS=y
 # BR2_PACKAGE_E2FSPROGS_FSCK is not set
 BR2_PACKAGE_FSWEBCAM=y
@@ -54,9 +60,6 @@ BR2_PACKAGE_IW=y
 BR2_PACKAGE_WPA_SUPPLICANT=y
 BR2_PACKAGE_WPA_SUPPLICANT_DEBUG_SYSLOG=y
 BR2_PACKAGE_INOTIFY_TOOLS=y
-BR2_PACKAGE_LIBMNL=y
-BR2_PACKAGE_WPA_SUPPLICANT=y
-BR2_PACKAGE_WPA_SUPPLICANT_DEBUG_SYSLOG=y
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_NERVES_SYSTEM_NAME="nerves_system_farmbot_rpi3"
 BR2_NERVES_ADDITIONAL_IMAGE_FILES="$(NERVES_DEFCONFIG_DIR)/fwup.conf ${NERVES_DEFCONFIG_DIR}/cmdline.txt ${NERVES_DEFCONFIG_DIR}/config.txt"