Update radio to use ESP32 rather than STM32

ato.yaml

@@ -19,11 +19,7 @@ dependencies:
 - rp2040
 - saleae-header ^v0.0.2
 - sk6805-ec20
-- stm32l432kbu6
 - sx1280imltrt
 - tps63020dsjr
 - usb-connectors ^v2.0.1
-
-
-# services:
-#   components: https://atopile-component-server-atsuhzfd5a-uc.a.run.app/jlc
+- esp32-s3 ^v0.0.1

elec/src/debug.ato

@@ -56,11 +56,11 @@ module Debug:
     swoop.power_supply.power5v ~ saleae4.ch1
     swoop.power_supply.battery.power ~ saleae4.ch2
 
-    swoop.radio.radio.spi ~ saleae5.spi
-    swoop.radio.radio.data1 ~ saleae6.ch0
-    swoop.radio.radio.data2 ~ saleae6.ch1
-    swoop.radio.radio.data3 ~ saleae6.ch2
-    swoop.radio.radio.busy ~ saleae6.ch3
+    swoop.radio._radio.spi ~ saleae5.spi
+    swoop.radio._radio.data1 ~ saleae6.ch0
+    swoop.radio._radio.data2 ~ saleae6.ch1
+    swoop.radio._radio.data3 ~ saleae6.ch2
+    swoop.radio._radio.busy ~ saleae6.ch3
 
     swoop.power3v3 ~ pot.power
     swoop.micro.micro.gpio23 ~ pot.output.io

elec/src/imu.ato

@@ -23,7 +23,7 @@ module IMU:
 
     # I2C
     i2c ~ bno055.i2c # address = 0x28
-    i2c ~ bmi088.i2c # address = 0x19
+    i2c ~ bmi088.i2c # address = 0x18, 0x69
     i2c ~ lis3mdltr.i2c # address = 0x1E
 
     # Interrupt

elec/src/radio.ato

@@ -1,35 +1,62 @@
-import STM32L432KBU6 from "stm32l432kbu6/elec/src/stm32l432kbu6.ato"
-import SX1280 from "sx1280imltrt/elec/src/sx1280imltrt.ato"
-import JTAG_10PIN from "programming-headers/elec/src/programming-headers.ato"
+from "generics/interfaces.ato" import Power, UART, Pair
+from "generics/buttons.ato" import ButtonPullup, ButtonSKRPACE010
 
-import Power from "generics/interfaces.ato"
-import UART from "generics/interfaces.ato"
+from "sx1280imltrt/elec/src/sx1280imltrt.ato" import SX1280
+from "programming-headers/elec/src/programming-headers.ato" import JTAG_10PIN
+from "esp32-s3/esp32-s3.ato" import ESP32S3
+from "sk6805-ec20/elec/src/sk6805-ec20.ato" import SK6805EC20
 
 
 module Radio:
+    """
+    ExpressLRS Radio Module based on the SX1280 and ESP32-S3
+
+    Required setup:
+    - 3.3V power ~> power
+    - A button in place of 'boot_button.btn'
+    - UART for comms with handset
+
+    Optional setup:
+    - An RGB LED ~> led_do_if
+
+    TODO: validate configuration in firmware
+    https://github.com/mawildoer/ExpressLRS-targets/blob/mawildoer/swoop/TX/DIY%20S3_WROOM_1_N16R2%202400.json
+    """
     power  = new Power
     uart = new UART
-    micro = new STM32L432KBU6
-    radio = new SX1280
+    _micro = new ESP32S3
+    _radio = new SX1280
 
-    # optional JTAG header
-    jtag_header = new JTAG_10PIN
+    # Optional: Interface to connect an RGB LED to the radio
+    led_do_if = new Pair
+    led_do_if.gnd ~ power.gnd
 
     # external connections
-    power ~ micro.power
-    power ~ radio.power
-    # Uart connections need to be crossed (need a better way to do this )
-    uart.tx ~ micro.uart.rx
-    uart.rx ~ micro.uart.tx
+    power ~ _micro.power
+    power ~ _radio.power
+
+    # ESP32
+    # UART connections need to be crossed (need a better way to do this)
+    # This means people can connect straight to the UART as needed
+    uart.tx ~ _micro.ic.RXD0  # GPIO43
+    uart.rx ~ _micro.ic.TXD0  # GPIO44
     power.gnd ~ uart.gnd
 
-    # internal connections
-    radio.spi ~ micro.spi
-    radio.data1 ~ micro.PA10
-    radio.data2 ~ micro.PA9
-    radio.data3 ~ micro.PA8
-    radio.busy ~ micro.PA11
-    radio.reset ~ micro.PB4
+    boot_button = new ButtonPullup
+    boot_button.btn -> ButtonSKRPACE010
+    _micro.power ~ boot_button.power
+    boot_button.output.vcc ~ _micro.ic.IO0
+
+    _radio.spi.miso ~ _micro.ic.IO15
+    _radio.spi.mosi ~ _micro.ic.IO16
+    _radio.spi.sck  ~ _micro.ic.IO7
+    _radio.busy.io  ~ _micro.ic.IO4
+    _radio.data1.io ~ _micro.ic.IO5
+    _radio.reset.io ~ _micro.ic.IO6
+    _radio.spi.cs   ~ _micro.ic.IO17
 
-    # optional JTAG header
-    jtag_header.jtag ~ micro.jtag
+    _micro.ic.IO48 ~ led_do_if.io
+
+    # JTAG header
+    jtag_header = new JTAG_10PIN
+    jtag_header.jtag ~ _micro.jtag