Add busio support for ADI MAX32xxx port

Makefile

@@ -304,6 +304,9 @@ update-frozen-libraries:
 
 one-of-each: samd21 litex mimxrt10xx nordic stm
 
+analog:
+	$(MAKE) -C ports/analog/ BOARD=apard32690
+
 samd21:
 	$(MAKE) -C ports/atmel-samd BOARD=trinket_m0
 

locale/circuitpython.pot

@@ -28,6 +28,25 @@ msgid ""
 "Code stopped by auto-reload. Reloading soon.\n"
 msgstr ""
 
+#: ports/analog/common-hal/busio/UART.c
+#, c-format
+msgid ""
+"\n"
+"ERR: Error starting transaction: %d\n"
+msgstr ""
+
+#: ports/analog/common-hal/busio/UART.c
+msgid ""
+"\n"
+"ERR: Requested bus is busy\n"
+msgstr ""
+
+#: ports/analog/common-hal/busio/UART.c
+msgid ""
+"\n"
+"ERR: Uart transaction timed out.\n"
+msgstr ""
+
 #: supervisor/shared/safe_mode.c
 msgid ""
 "\n"
@@ -632,6 +651,10 @@ msgid ""
 "disable.\n"
 msgstr ""
 
+#: ports/analog/common-hal/busio/UART.c
+msgid "Baudrate invalid. Must be a standard UART baudrate.\n"
+msgstr ""
+
 #: ports/espressif/common-hal/canio/CAN.c
 msgid "Baudrate not supported by peripheral"
 msgstr ""
@@ -721,6 +744,10 @@ msgstr ""
 msgid "CIRCUITPY drive could not be found or created."
 msgstr ""
 
+#: ports/analog/common-hal/busio/SPI.c
+msgid "CPOL / CPHA must both be either 0 or 1\n"
+msgstr ""
+
 #: ports/espressif/common-hal/espidf/__init__.c
 msgid "CRC or checksum was invalid"
 msgstr ""
@@ -943,6 +970,38 @@ msgstr ""
 msgid "ECB only operates on 16 bytes at a time"
 msgstr ""
 
+#: ports/analog/common-hal/busio/UART.c
+msgid "ERR: Could not init ringbuffer\n"
+msgstr ""
+
+#: ports/analog/peripherals/max32690/max32_uart.c
+#, c-format
+msgid ""
+"ERR: Unable to find a uart matching pins...\n"
+"TX: port %d mask %d\n"
+"RX: port %d mask %d\n"
+msgstr ""
+
+#: ports/analog/peripherals/max32690/max32_i2c.c
+#, c-format
+msgid ""
+"ERR: Unable to find an I2C matching pins...\n"
+"SCL: port %d mask %d\n"
+"SDA: port %d mask %d\n"
+msgstr ""
+
+#: ports/analog/peripherals/max32690/max32_spi.c
+#, c-format
+msgid ""
+"ERR: Unable to find an SPI matching pins...         \n"
+"MOSI: port %d mask %d\n"
+"MISO: port %d mask %d\n"
+msgstr ""
+
+#: ports/analog/common-hal/busio/I2C.c
+msgid "ERROR during I2C Transaction\n"
+msgstr ""
+
 #: ports/espressif/common-hal/busio/SPI.c
 #: ports/espressif/common-hal/canio/CAN.c
 msgid "ESP-IDF memory allocation failed"
@@ -1036,6 +1095,19 @@ msgstr ""
 msgid "Failed to enable continuous"
 msgstr ""
 
+#: ports/analog/common-hal/busio/I2C.c
+#, c-format
+msgid "Failed to init I2C. ERR: %d\n"
+msgstr ""
+
+#: ports/analog/common-hal/busio/SPI.c
+msgid "Failed to init SPI.\n"
+msgstr ""
+
+#: ports/analog/common-hal/busio/UART.c
+msgid "Failed to initialize UART.\n"
+msgstr ""
+
 #: shared-module/audiomp3/MP3Decoder.c
 msgid "Failed to parse MP3 file"
 msgstr ""
@@ -1049,6 +1121,23 @@ msgstr ""
 msgid "Failed to release mutex, err 0x%04x"
 msgstr ""
 
+#: ports/analog/common-hal/busio/I2C.c
+#, c-format
+msgid "Failed to set I2C frequency. ERR: %d\n"
+msgstr ""
+
+#: ports/analog/common-hal/busio/SPI.c
+msgid "Failed to set SPI Clock Mode\n"
+msgstr ""
+
+#: ports/analog/common-hal/busio/SPI.c
+msgid "Failed to set SPI Frame Size\n"
+msgstr ""
+
+#: ports/analog/common-hal/busio/SPI.c
+msgid "Failed to set SPI Frequency\n"
+msgstr ""
+
 #: ports/zephyr-cp/common-hal/wifi/Radio.c
 msgid "Failed to set hostname"
 msgstr ""
@@ -1089,6 +1178,10 @@ msgstr ""
 msgid "Firmware is too big"
 msgstr ""
 
+#: ports/analog/common-hal/busio/UART.c
+msgid "Flow Ctrl needs both CTS & RTS"
+msgstr ""
+
 #: shared-bindings/bitmaptools/__init__.c
 msgid "For L8 colorspace, input bitmap must have 8 bits per pixel"
 msgstr ""
@@ -1148,6 +1241,10 @@ msgstr ""
 msgid "I2C init error"
 msgstr ""
 
+#: ports/analog/common-hal/busio/I2C.c
+msgid "I2C needs SDA & SCL"
+msgstr ""
+
 #: ports/raspberrypi/common-hal/busio/I2C.c
 #: ports/raspberrypi/common-hal/i2ctarget/I2CTarget.c
 msgid "I2C peripheral in use"
@@ -1761,6 +1858,10 @@ msgstr ""
 msgid "Parameter error"
 msgstr ""
 
+#: ports/analog/common-hal/busio/UART.c
+msgid "Parity must be ODD, EVEN, or NONE\n"
+msgstr ""
+
 #: ports/espressif/common-hal/audiobusio/__init__.c
 msgid "Peripheral in use"
 msgstr ""
@@ -1898,6 +1999,7 @@ msgstr ""
 msgid "ROS topic failed to initialize"
 msgstr ""
 
+#: ports/analog/common-hal/busio/UART.c
 #: ports/atmel-samd/common-hal/busio/UART.c ports/cxd56/common-hal/busio/UART.c
 #: ports/nordic/common-hal/busio/UART.c ports/stm/common-hal/busio/UART.c
 msgid "RS485"
@@ -1990,6 +2092,10 @@ msgstr ""
 msgid "SPI init error"
 msgstr ""
 
+#: ports/analog/common-hal/busio/SPI.c
+msgid "SPI needs MOSI, MISO, and SCK"
+msgstr ""
+
 #: ports/raspberrypi/common-hal/busio/SPI.c
 msgid "SPI peripheral in use"
 msgstr ""
@@ -2121,6 +2227,10 @@ msgstr ""
 msgid "Timeout is too long: Maximum timeout length is %d seconds"
 msgstr ""
 
+#: ports/analog/common-hal/busio/UART.c
+msgid "Timeout must be < 100 seconds"
+msgstr ""
+
 #: ports/atmel-samd/common-hal/audiobusio/I2SOut.c
 msgid "Too many channels in sample"
 msgstr ""
@@ -2164,6 +2274,10 @@ msgstr ""
 msgid "UART init"
 msgstr ""
 
+#: ports/analog/common-hal/busio/UART.c
+msgid "UART needs TX & RX"
+msgstr ""
+
 #: ports/raspberrypi/common-hal/busio/UART.c
 msgid "UART peripheral in use"
 msgstr ""

ports/analog/Makefile

@@ -5,12 +5,13 @@
 #
 # SPDX-License-Identifier: MIT
 
+BOARD ?= apard32690
+CROSS_COMPILE = arm-none-eabi-
+
 # Includes mpconfigboard.mk & mpconfigport.mk,
 # along with numerous other shared environment makefiles.
 include ../../py/circuitpy_mkenv.mk
 
-CROSS_COMPILE = arm-none-eabi-
-
 # MCU_SERIES e.g. 	"max32"
 # MCU_VARIANT e.g. 	"max32690"
 # defined in mpconfigboard.mk
@@ -19,6 +20,7 @@ MCU_SERIES_UPPER := $(shell echo $(MCU_SERIES) | tr '[:lower:]' '[:upper:]')
 MCU_VARIANT_LOWER := $(shell echo $(MCU_VARIANT) | tr '[:upper:]' '[:lower:]')
 MCU_VARIANT_UPPER := $(shell echo $(MCU_VARIANT) | tr '[:lower:]' '[:upper:]')
 
+
 # *******************************************************************************
 #### MSDK INCLUDES ####
 # Necessary for msdk makefiles
@@ -58,6 +60,7 @@ DIE_TYPE=me18
 endif
 
 PERIPH_SRC = $(ADI_PERIPH)/Source
+PERIPH_INC = $(ADI_PERIPH)/Include/$(MCU_VARIANT_UPPER)
 
 INC += -I.
 INC += -I../..
@@ -74,7 +77,7 @@ INC += \
 	-I$(TOP)/lib/cmsis/inc \
 	-I$(CMSIS_ROOT)/Include \
 	-I$(CMSIS_ROOT)/Device/Maxim/$(MCU_VARIANT_UPPER)/Include \
-	-I$(ADI_PERIPH)/Include/$(MCU_VARIANT_UPPER) \
+	-I$(PERIPH_INC) \
 	-I$(PERIPH_SRC)/SYS \
 	-I$(PERIPH_SRC)/CTB \
 	-I$(PERIPH_SRC)/DMA \
@@ -83,7 +86,9 @@ INC += \
 	-I$(PERIPH_SRC)/ICC \
 	-I$(PERIPH_SRC)/TMR \
 	-I$(PERIPH_SRC)/RTC \
-	-I$(PERIPH_SRC)/UART
+	-I$(PERIPH_SRC)/UART \
+	-I$(PERIPH_SRC)/I2C \
+	-I$(PERIPH_SRC)/SPI
 
 INC += -I$(CMSIS_ROOT)/Device/Maxim/$(MCU_VARIANT_UPPER)/Source/GCC
 
@@ -116,13 +121,20 @@ SRC_MAX32 += \
 	$(PERIPH_SRC)/TMR/tmr_$(DIE_TYPE).c \
 	$(PERIPH_SRC)/UART/uart_common.c \
 	$(PERIPH_SRC)/UART/uart_$(DIE_TYPE).c \
-	$(PERIPH_SRC)/UART/uart_revb.c
+	$(PERIPH_SRC)/UART/uart_revb.c \
+	$(PERIPH_SRC)/I2C/i2c_$(DIE_TYPE).c \
+	$(PERIPH_SRC)/I2C/i2c_reva.c \
+	$(PERIPH_SRC)/SPI/spi_$(DIE_TYPE).c \
+	$(PERIPH_SRC)/SPI/spi_reva1.c
 
 SRC_C += $(SRC_MAX32) \
 			boards/$(BOARD)/board.c \
 			boards/$(BOARD)/pins.c \
 			peripherals/$(MCU_VARIANT_LOWER)/pins.c \
-			peripherals/$(MCU_VARIANT_LOWER)/gpios.c
+			peripherals/$(MCU_VARIANT_LOWER)/gpios.c \
+			peripherals/$(MCU_VARIANT_LOWER)/max32_uart.c \
+			peripherals/$(MCU_VARIANT_LOWER)/max32_i2c.c \
+			peripherals/$(MCU_VARIANT_LOWER)/max32_spi.c
 
 # *******************************************************************************
 ### Compiler & Linker Flags ###
@@ -263,11 +275,16 @@ flash-msdk:
 		-f interface/cmsis-dap.cfg -f target/$(MCU_VARIANT_LOWER).cfg \
 		-c "program $(BUILD)/firmware.elf verify; init; reset; exit"
 
+flash-openocd-jlink:
+	$(OPENOCD) -s $(OPENOCD_SCRIPTS) \
+		-f interface/jlink.cfg -f target/$(MCU_VARIANT_LOWER).cfg \
+		-c "program $(BUILD)/firmware.elf verify; init; reset; exit"
+
 # flash target using JLink
 JLINK_DEVICE = $(MCU_VARIANT_LOWER)
 
 JLINKEXE 		?= JLink.exe
-JLINKEXE     	+= -if SWD -device ${JLINK_DEVICE} -speed 10000
+JLINKEXE     	+= -if SWD -device ${JLINK_DEVICE} -speed 4000
 COMMAND_FILE 	:= tools/flash_max32.jlink
 
 flash-jlink: $(BUILD)/firmware.bin

ports/analog/background.c

@@ -19,19 +19,13 @@ extern const mxc_gpio_cfg_t led_pin[];
 extern const int num_leds;
 
 /** NOTE: ALL "ticks" refer to a 1/1024 s period */
-static int status_led_ticks = 0;
+static int status_ticks = 0;
 
 // This function is where port-specific background
 // tasks should be performed
 // Execute port specific actions during background tick. Only if ticks are enabled.
 void port_background_tick(void) {
-    status_led_ticks++;
-
-    // Set an LED approx. 1/s
-    if (status_led_ticks > 1024) {
-        MXC_GPIO_OutToggle(led_pin[2].port, led_pin[2].mask);
-        status_led_ticks = 0;
-    }
+    status_ticks++;
 }
 
 // Execute port specific actions during background tasks. This is before the