EVAL_POWRMS: IIO and screen for rev-B:

- drivers: maxim_delay.c: include lvgl comulsory callback function
- add button implementation for BACk, NEXT and ENTER
- added blank screen upon en_latch off
- buttons implemented
- print out real-time VIN0 and VIN1 from adc
- custom initializaiton process
- added tinyIIOD for vin0 vin1, vrmsf, vrmsr channels, with global attrbutes for impedance and frequency
- modified general screen llgic to work in parallel with iiod
- added m24512 memory init and test
- TODO: add lookup table and use that to calc P0 and P1

Signed-off-by: rbudai98 <robert.budai@analog.com>

Author: rbudai98

drivers/adc/ad7091r5/ad7091r5.c

@@ -57,7 +57,7 @@ int32_t ad7091r5_i2c_reg_read(struct ad7091r5_dev *dev,
 	if (!dev || !reg_data)
 		return -EINVAL;
 
-	ret = no_os_i2c_write(dev->i2c_desc, &reg_addr, 1, 1);
+	ret = no_os_i2c_write(dev->i2c_desc, &reg_addr, 1, 0);
 	if (ret < 0)
 		return ret;
 
@@ -144,6 +144,9 @@ int32_t ad7091r5_i2c_write_mask(struct ad7091r5_dev *dev,
 	reg_data &= ~mask;
 	reg_data |= data;
 
+	// printf("I2C read succesfully\n\r");
+	no_os_udelay(100);
+
 	return ad7091r5_i2c_reg_write(dev, reg_addr, reg_data);
 }
 
@@ -444,7 +447,7 @@ int32_t ad7091r5_reset(struct ad7091r5_dev *dev, bool is_software)
 			return ret;
 
 		/* reset pulse width, at least 10 ns*/
-		no_os_udelay(1);
+		no_os_udelay(100);
 		return no_os_gpio_set_value(dev->gpio_resetn, NO_OS_GPIO_HIGH);
 	}
 }
@@ -499,10 +502,16 @@ int32_t ad7091r5_read_one(struct ad7091r5_dev *dev,
 	if (ret)
 		return ret;
 
+	printf("Channel set successfully\n\r");
+	no_os_udelay(100);
+
 	ret = ad7091r5_i2c_reg_read(dev, AD7091R5_REG_RESULT, &val);
 	if (ret)
 		return ret;
 
+	printf("val: %d, REG_RESULT_CH_ID(val): %d, channel: %d\n\r", val,
+	       REG_RESULT_CH_ID(val), channel);
+
 	if (REG_RESULT_CH_ID(val) != channel)
 		return -1;
 

drivers/platform/maxim/max32662/maxim_delay.c

@@ -34,6 +34,7 @@
 #include "no_os_util.h"
 #include "mxc_delay.h"
 #include "mxc_sys.h"
+#include "lvgl.h"
 
 static volatile unsigned long long _system_ticks = 0;
 
@@ -43,6 +44,7 @@ extern void SysTick_Handler(void);
 void SysTick_Handler(void)
 {
 	MXC_DelayHandler();
+	lv_tick_inc(1);
 	_system_ticks++;
 }
 

projects/eval-powrms/Makefile

@@ -0,0 +1,19 @@
+LIBRARIES += lvgl
+IIOD=y
+
+# CFLAGS += -DNO_OS_USB_UART
+
+SRCS += $(PROJECT)/src/common/syscalls.c
+
+
+include ../../tools/scripts/generic_variables.mk
+
+HEAP_SIZE=0x90000
+STACK_SIZE=0x10000
+
+include src.mk
+
+CFLAGS += -Os -ffunction-sections -fdata-sections -fno-strict-aliasing
+LDFLAGS += -Wl,--gc-sections
+
+include ../../tools/scripts/generic.mk

projects/eval-powrms/README.md

@@ -0,0 +1,84 @@
+# Eval-PowRMS Project
+
+## Overview
+The Eval-PowRMS project is designed to evaluate and demonstrate the functionality of power RMS (Root Mean Square) measurement systems. It includes source code, examples, and platform-specific implementations for the Maxim MAX32662 microcontroller.
+
+## Folder Structure
+The project is organized as follows:
+
+```
+├── build/                # Build artifacts
+├── src/                 # Source code
+│   ├── common/          # Common utilities and data
+│   ├── examples/        # Example applications
+│   └── platform/        # Platform-specific code
+├── noos/                # No-OS drivers and libraries
+│   ├── drivers/         # Hardware drivers
+│   ├── include/         # Header files
+│   ├── libraries/       # External libraries (e.g., LVGL)
+│   └── util/            # Utility functions
+├── objs/                # Object files
+├── lv_conf.h            # LVGL configuration
+├── Makefile             # Build system entry point
+├── README.md            # Project documentation
+├── src.mk               # Source file list for the build system
+└── test.sh              # Test script
+```
+
+## Changes needed: 
+
+```diff
+index 2ebcec56c2..70c83abdd6 100644
+--- a/iio/iio_app/iio_app.c
++++ b/iio/iio_app/iio_app.c
+@@ -241,7 +241,7 @@ static int32_t uart_setup(struct no_os_uart_desc **uart_desc,
+                /* TODO: remove this ifdef when asynchrounous rx is implemented on every platform. */
+ #if defined(STM32_PLATFORM) || defined(MAXIM_PLATFORM) || defined(ADUCM_PLATFORM) || defined(PICO_PLATFORM)
+                .irq_id = uart_init_par->irq_id,
+-               .asynchronous_rx = true,
++               .asynchronous_rx = false,
+ #endif
+                .baud_rate = UART_BAUDRATE_DEFAULT,
+                .size = NO_OS_UART_CS_8,
+diff --git a/libraries/esh/esh b/libraries/esh/esh
+```
+
+
+## Build and Run Instructions
+
+### Prerequisites
+- A Linux-based operating system
+- `make` build system
+- Maxim MAX32662 development environment
+
+### Build the Project
+To build the project for the Maxim MAX32662 platform, run the following task:
+
+```bash
+make -C /home/rbudai/Workspace_no_os/no-os/projects/eval-powrms PLATFORM=maxim TARGET=max32662
+```
+
+Alternatively, you can use the VS Code task labeled **maxim Build**.
+
+### Run the Project
+To run the project, execute:
+
+```bash
+make run -C /home/rbudai/Workspace_no_os/no-os/projects/eval-powrms PLATFORM=maxim TARGET=max32662
+```
+
+Alternatively, you can use the VS Code task labeled **maxim Run**.
+
+## Dependencies
+- [LVGL](https://lvgl.io/) for graphical user interface components
+- Maxim SDK for platform-specific drivers and libraries
+
+## Contributing
+Contributions are welcome! Please follow these steps:
+1. Fork the repository.
+2. Create a new branch for your feature or bug fix.
+3. Commit your changes with clear and concise messages.
+4. Submit a pull request.
+
+## License
+This project is licensed under the [MIT License](LICENSE).