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The OP

Published on 2024-11-23 15:44 Only look at the author

【Follow me Season 2 Episode 3】1 Getting Started Tasks: Build the Environment, Download and Debug Sample Programs, Blink, Press Buttons [Copy link]

<i class="pstatus">This post was last edited by EPTmachine on 2024-11-3 15:50</i> # Getting Started Tasks: Build the environment, download debug sample programs, blink, and press buttons. The development board for this Follow Me activity is Renesas' EK-RA6M5. The following related materials can be downloaded from the official website. 
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<img style="cursor:pointer;" id="aimg_858229" aid="858229" src="static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="data/attachment/forum/202411/03/153934vrh8mch8kpxptpx8.png" file="data/attachment/forum/202411/03/153934vrh8mch8kpxptpx8.png" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" />

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 The official "EK-RA6M5 Quick Start Guide.pdf" can help developers quickly understand the contents and usage of the kit. The kit contains the following contents
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 ## Build the debugging environment e2studio is an integrated development environment provided by Renesas, including compilers, code editors, project management tools, chip support packages, etc. First, select the installation package that matches the computer system on the [download page](https://www.renesas.cn/zh/software-tool/e-studio) of e2studio. 
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 After downloading, unzip the package and click on the application to start the installation. 
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 Select RA series support and fsp version in the installation options. The options of each interface during the installation process are as follows. 
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 Select to install RA series support 
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<img style="cursor:pointer;" id="aimg_858238" aid="858238" src="static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="data/attachment/forum/202411/03/154134i3nguemb2zbxzt4u.png" file="data/attachment/forum/202411/03/154134i3nguemb2zbxzt4u.png" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" />

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 Click install to start the installation. 
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 After the installation is complete, you can edit and debug the code. ## The sample program is for EK-RA6M5, and the official website provides a wealth of sample codes and help documents. The EK-RA6M5 product page provides corresponding materials and code downloads. 
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 After decompressing the downloaded code package, the sample code is as follows: 
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 Import the project into the working directory through File->Import in the menu bar 
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 Select to import the existing project into the workspace. 
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 Select the directory where the project is located, and check "Copy projects into workspace" in "Option" to copy the project to the workspace. 
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 After importing, you can see the corresponding project in the project bar. Select "Build Project" in the right-click option of the project, and you can download the program after completion. 
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 Use a USB cable to connect the computer and the development board, and click the debug button to download the program for debugging. 
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 ## Blink program View "EK-RA6M5 User's Manual.pdf", the relevant information of the three onboard LED lights is as follows. 
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 Create a project in e2studio to control the LED blinking of EK-RA6M5. Select "File->New->C/C++ Project" in the menu bar 
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 Enter the project name 
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 Select the corresponding development kit or create a project according to the chip model 
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 Select the default options for the rest 
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 When developing Renesas RA series chips, you need to use the FSP configuration tool to set the parameters of the peripherals. Click "configuration.xml" in the project column to open the FSP configuration interface. 
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 Manage hardware peripherals and software component packages in the "FSP Configuration" interface. 
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 From the schematic diagram in the download material "ek-ra6m5-v1-designpackage.zip", it can be seen that the wiring of the LED on the board is as shown in the figure, and the control pins are P006, P007, and P008. 
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 You can view the settings of related pins in the Pins tab page of the FSP interface. 
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 You can view the function stack involved in the application in the Stacks tab page of the FSP interface. The Blink program only involves pin state control, and the function can be realized using the r_ioport module. 
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 Click "Generate Project Content" in the upper right corner to generate the configuration code for related settings. In the generated code, the configuration-related part is in the folder ra_cfg [attach]858261 [/attach] Next, write the relevant application code. Since the code generated by FSP configuration contains the main function, the main function will be rewritten every time you click "Generate Project Content" to generate code, so the user cannot directly write the main function code. The entry point of the user code becomes, under the premise of not using the RTOS real-time operating system, the hal_entry function in the hal_entry.c in the src folder is the user code entry point. hal_entry.c adds the code to implement the Blink function as follows: ``` c #include "hal_data.h" FSP_CPP_HEADER void R_BSP_WarmStart(bsp_warm_start_event_t event); FSP_CPP_FOOTER extern bsp_leds_t g_bsp_leds; /*******************************************************************************************************//** * main() is generated by the RA Configuration editor and is used to generate threads if an RTOS is used. This function * is called by main() when no RTOS is used. ****************************************************************************************************************************/ void hal_entry(void) { /* TODO:add your own code here */ #if BSP_TZ_SECURE_BUILD /* Enter non-secure code */ R_BSP_NonSecureEnter(); #endif /* Define the units to be used with the software delay function */ const bsp_delay_units_t bsp_delay_units = BSP_DELAY_UNITS_MILLISECONDS; /* Set the blink frequency (must be <= bsp_delay_units */ const uint32_t freq_in_hz = 2; /* Calculate the delay in terms of bsp_delay_units */ const uint32_t delay = bsp_delay_units / freq_in_hz; /* LED type structure */ bsp_leds_t leds = g_bsp_leds; /* Holds level to set for pins */ bsp_io_level_t pin_level = BSP_IO_LEVEL_LOW; while (1) { /* Enable access to the PFS registers. If using r_ioport module then register protection is automatically * handled. This code uses BSP IO functions to show how it is used. */ R_BSP_PinAccessEnable(); /* Update all board LEDs */ for (uint32_t i = 0; i < leds.led_count; i++) { /* Get pin to toggle */ uint32_t pin = leds.p_leds<i>; /* Write to this pin */ R_BSP_PinWrite((bsp_io_port_pin_t) pin, pin_level); } /* Protect PFS registers */ R_BSP_PinAccessDisable(); /* Toggle level for next write */ if (BSP_IO_LEVEL_LOW == pin_level) { pin_level = BSP_IO_LEVEL_HIGH; } else { pin_level = BSP_IO_LEVEL_LOW; } /* Delay */ R_BSP_SoftwareDelay(delay, bsp_delay_units); } } ``` ## Key Program The key program is an application for monitoring the status of GPIO pins. From the schematic diagram, we can see that the key is connected to P005 (S1) and P004 (S2) pin 
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 Take the P005 pin as an example, configure it as the corresponding external interrupt, and make the following settings on the FSP configuration interface. 
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 Also add in the Stack interface The component of external interrupt and the callback function name of interrupt processing are named to generate the corresponding underlying code. Refer to the routine of the icu module in the sample code to realize the function of key control LED on and off and flashing frequency. Function button_init, button_enable, button_deint It is used to manage the initialization, enabling and disabling of the key interrupt module. Since FSP generates the corresponding underlying driver, the amount of user code is reduced. Modify the global flag variable in the interrupt callback function. The relevant code is as follows: button.h ```c #ifndef BUTTON_H_ #define BUTTON_H_ #includeled_count; i++) { /* Get pin to toggle */ uint32_t pin = leds.p_leds<i>; /* Write to this pin */ R_BSP_PinWrite((bsp_io_port_pin_t) pin, pin_level); } /* Protect PFS registers */ R_BSP_PinAccessDisable (); /* Toggle level for next write */ if (BSP_IO_LEVEL_LOW == pin_level) { pin_level = BSP_IO_LEVEL_HIGH; } else { pin_level = BSP_IO_LEVEL_LOW; } /* Delay */ R_BSP_SoftwareDelay(delay, bsp_delay_units); } } ``` ## The key program is an application for monitoring the status of GPIO pins. From the schematic diagram, we can see that the key is connected to the P005 (S1) and P004 (S2) pins. To respond to external interrupts, make the following settings on the FSP configuration interface. 
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 At the same time, add the external interrupt component on the Stack interface and name the callback function for interrupt processing to generate the corresponding underlying code. The routine of the icu module in the sample code implements the function of controlling the LED on and off and the flashing frequency by pressing a button. The functions button_init, button_enable, and button_deint are used to manage the initialization, enabling, and disabling of the button interrupt module. Since FSP generates the corresponding underlying driver, Reduce the amount of user code. Modify the global flag variable in the interrupt callback function. The relevant code is as follows: button.h ```c #ifndef BUTTON_H_ #define BUTTON_H_ #includeled_count; i++) { /* Get pin to toggle */ uint32_t pin = leds.p_leds<i>; /* Write to this pin */ R_BSP_PinWrite((bsp_io_port_pin_t) pin, pin_level); } /* Protect PFS registers */ R_BSP_PinAccessDisable (); /* Toggle level for next write */ if (BSP_IO_LEVEL_LOW == pin_level) { pin_level = BSP_IO_LEVEL_HIGH; } else { pin_level = BSP_IO_LEVEL_LOW; } /* Delay */ R_BSP_SoftwareDelay(delay, bsp_delay_units); } } ``` ## The key program is an application for monitoring the status of GPIO pins. From the schematic diagram, we can see that the key is connected to the P005 (S1) and P004 (S2) pins. To respond to external interrupts, make the following settings on the FSP configuration interface. 
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</ignore_js_op>
 At the same time, add the external interrupt component on the Stack interface and name the callback function for interrupt processing to generate the corresponding underlying code. The routine of the icu module in the sample code implements the function of controlling the LED on and off and the flashing frequency by pressing a button. The functions button_init, button_enable, and button_deint are used to manage the initialization, enabling, and disabling of the button interrupt module. Since FSP generates the corresponding underlying driver, Reduce the amount of user code. Modify the global flag variable in the interrupt callback function. The relevant code is as follows: button.h ```c #ifndef BUTTON_H_ #define BUTTON_H_ #include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include "hal_data.h" #define USER_SW1_IRQ_NUMBER 0x0A #define USER_SW2_IRQ_NUMBER 0x09 /* Function declaration */ fsp_err_t button_init(void); fsp_err_t button_enable(void); void button_deinit(void); typedef enum blink_speed{ slow_speed=1, normal_speed=2, high_speed=3 } blink_speed_t; #endif ``` button.c ```c #include "button.h" /******************** *************************************************** *********************************************//** * @addtogroup botton * @{ ************************************************ *************************************************** **********************/ /* Boolean flag to determine switch is pressed or not.*/ volatile bool g_sw1_press = false; volatile bool g_sw2_press = false; /**************************************** *************************************************** ******************************//** * <a href="https://en.eeworld.com/bbs/home.php?mod=space&uid=159083" target="_blank">@brief</a> This functions initializes botton. * @param[IN] None * @retval FSP_SUCCESS Upon successful open of ICU module * @retval Any Other Error code apart from FSP_SUCCESS Unsuccessful open ****************************************** *************************************************** ******************************/ fsp_err_t button_init(void) { fsp_err_t err = FSP_SUCCESS; /* Open ICU module */ err = R_ICU_ExternalIrqOpen(&g_external_irq9_ctrl , &g_external_irq9_cfg); err = R_ICU_ExternalIrqOpen(&g_external_irq10_ctrl, &g_external_irq10_cfg); return err; } /************************************ *************************************************** ************************************//** * @brief This function enables external interrupt for specified channel. * @ param[IN] None * @retval FSP_SUCCESS Upon successful enable of ICU module * @retval Any Other Error code apart from FSP_SUCCESS Unsuccessful open ******************************* *************************************************** *************************************/ fsp_err_t button_enable(void) { fsp_err_t err = FSP_SUCCESS; / * Enable ICU module */ err = R_ICU_ExternalIrqEnable(&g_external_irq9_ctrl); err = R_ICU_ExternalIrqEnable(&g_external_irq10_ctrl); return err; } /************************************ *************************************************** ************************************//** * @brief This function closes opened ICU module before the project ends up in an Error Trap.* @param[IN] None * @retval None *************************************** *************************************************** *******************************/ void button_deinit(void) { fsp_err_t err = FSP_SUCCESS; /* Close ICU module */ err = R_ICU_ExternalIrqClose(&g_external_irq9_ctrl); err = R_ICU_ExternalIrqClose(&g_external_irq10_ctrl); } /************************************************ *************************************************** **********************//** * @brief User defined external irq callback. * @param[IN] p_args * @retval None **** *************************************************** *************************************************** ******************/void button1_callback(external_irq_callback_args_t *p_args) { /* Make sure it's the right interrupt*/ if(USER_SW1_IRQ_NUMBER == p_args->channel) { g_sw1_press = true; } } void button2_callback(external_irq_callback_args_t *p_args) { /* Make sure it's the right interrupt */ if(USER_SW2_IRQ_NUMBER == p_args->channel) { g_sw2_press = true; } } ``` In the hal_entry function, by judging the status of the global variables `g_sw1_press` and `g_sw2_press`, the corresponding processing logic is executed to implement Button 1 controls the blue light of LED1, and button 2 controls the flashing frequency of the green light of LED2. The specific code is as follows: ```c #include "button.h" /* Board's user LED */ extern bsp_leds_t g_bsp_leds; /* Boolean flag to determine switch is pressed or not.*/ extern volatile bool g_sw1_press; extern volatile bool g_sw2_press; /****************************************************** *************************************************** ****************//** * main() is generated by the RA Configuration editor and is used to generate threads if an RTOS is used. This function * is called by main() when no RTOS is used. ******************* *************************************************** *************************************************/ void hal_entry(void) { /* TODO: add your own code here */ #if BSP_TZ_SECURE_BUILD /* Enter non-secure code */ R_BSP_NonSecureEnter(); #endif fsp_err_t err = FSP_SUCCESS; blink_speed_t feq_level= slow_speed; /* Define the units to be used with the software delay function */ const bsp_delay_units_t bsp_delay_units = BSP_DELAY_UNITS_MILLISECONDS; /* the blink frequency,high 5h=Hz,normal 2Hz,slow 1Hz , (must be <= bsp_delay_units */ uint32_t freq_in_hz = 2; /* Calculate the delay in terms of bsp_delay_units */ uint32_t delay = bsp_delay_units / freq_in_hz; /* LED type structure */ bsp_leds_t leds = g_bsp_leds; /* Holds level to set for pins */ bsp_io_level_t led1_level = BSP_IO_LEVEL_LOW; bsp_io_level_t led2_level = BSP_IO_LEVEL_LOW; /* Initialize button driver*/ err = button_init(); /* Enable button driver*/ err = button_enable(); /* Handle error */ if(FSP_SUCCESS != err) { /* Close button module.*/ button_deinit(); } while (1) { /* Toggle user LED1 when user button1 is pressed*/ if(true == g_sw1_press) { /* Clear user button1 flag */ g_sw1_press = false; /* Read user LED pin */ err = R_IOPORT_PinRead(&g_ioport_ctrl, (bsp_io_port_pin_t)leds.p_leds[0], &led1_level); /* Handle error */ if (FSP_SUCCESS != err) { /* Close External IRQ module.*/ button_deinit(); } /* Reverse LED pin state*/ led1_level ^= BSP_IO_LEVEL_HIGH; /* Toggle user LED */ err = R_IOPORT_PinWrite(&g_ioport_ctrl, (bsp_io_port_pin_t)leds.p_leds[0], led1_level); /* Handle error */ if (FSP_SUCCESS != err) { /* Close External IRQ module.*/ button_deinit(); } } /* Change user LED2 blink feq when user button2 is pressed*/ if(true = = g_sw2_press) { /* Clear user button2 flag */ g_sw2_press = false; switch(feq_level) { case slow_speed: feq_level=normal_speed; freq_in_hz=1; break; case normal_speed: feq_level=high_speed; freq_in_hz=2; break; case high_speed: feq_level=slow_speed; freq_in_hz=5; break; } delay = bsp_delay_units / freq_in_hz; } err = R_IOPORT_PinWrite(&g_ioport_ctrl, (bsp_io_port_pin_t)leds.p_leds[1], led2_level); /* Toggle level for next write */ if (BSP_IO_LEVEL_LOW == led2_level) { led2_level = BSP_IO_LEVEL_HIGH; } else { led2_level = BSP_IO_LEVEL_LOW; } /* Delay */ R_BSP_SoftwareDelay(delay , bsp_delay_units); } } ``` ## In summary, Renesas' development environment is very convenient to build. The FSP tool provided can quickly configure peripherals and modules and generate underlying code, reducing the workload of users in editing code. -RA6M5, Renesas has produced a corresponding BSP support package. After users are familiar with its code, they can quickly build their own applications and test them.= err) { /* Close External IRQ module.*/ button_deinit(); } } /* Change user LED2 blink feq when user button2 is pressed*/ if(true == g_sw2_press) { /* Clear user button2 flag */ g_sw2_press = false; switch(feq_level) { case slow_speed: feq_level=normal_speed; freq_in_hz=1; break; case normal_speed: feq_level=high_speed; freq_in_hz=2; break; case high_speed: feq_level=slow_speed; freq_in_hz=5; break; } delay = bsp_delay_units / freq_in_hz; } err = R_IOPORT_PinWrite(&g_ioport_ctrl, (bsp_io_port_pin_t)leds.p_leds[1], led2_level); /* Toggle level for next write */ if (BSP_IO_LEVEL_LOW == led2_level) { led2_level = BSP_IO_LEVEL_HIGH; } else { led2_level = BSP_IO_LEVEL_LOW; } /* Delay */ R_BSP_SoftwareDelay(delay, bsp_delay_units); } } ``` ## Summary of Renesas development environment setup Very convenient, the provided FSP tool can quickly configure peripherals and modules, and generate low-level code, reducing the workload of users editing code. For EK-RA6M5, Renesas has produced a corresponding BSP support package, and users can After that, you can quickly build your own application and test it.= err) { /* Close External IRQ module.*/ button_deinit(); } } /* Change user LED2 blink feq when user button2 is pressed*/ if(true == g_sw2_press) { /* Clear user button2 flag */ g_sw2_press = false; switch(feq_level) { case slow_speed: feq_level=normal_speed; freq_in_hz=1; break; case normal_speed: feq_level=high_speed; freq_in_hz=2; break; case high_speed: feq_level=slow_speed; freq_in_hz=5; break; } delay = bsp_delay_units / freq_in_hz; } err = R_IOPORT_PinWrite(&g_ioport_ctrl, (bsp_io_port_pin_t)leds.p_leds[1], led2_level); /* Toggle level for next write */ if (BSP_IO_LEVEL_LOW == led2_level) { led2_level = BSP_IO_LEVEL_HIGH; } else { led2_level = BSP_IO_LEVEL_LOW; } /* Delay */ R_BSP_SoftwareDelay(delay, bsp_delay_units); } } ``` ## Summary of Renesas development environment setup Very convenient, the provided FSP tool can quickly configure peripherals and modules, and generate low-level code, reducing the workload of users editing code. For EK-RA6M5, Renesas has produced a corresponding BSP support package, and users can After that, you can quickly build your own application and test it.

</stdlib.h></string.h></stdio.h>

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