RTOS/CC2640R2F: Unable to use TDI and TDO as gpio pins in CC2460R2F chip set

I assume that your code didn't toggle the LED since you posted this question.

Does your code work for the DIO pins except for DIO 16 and 17?

Also see e2e.ti.com/.../711372 on how to add a new DIO.

Hi ,

My Code works for DIO pins other than DIO 16 an 17 .
I am able to toggle DIO 6 and DIO 7 . Except DIO 16 and 17 which are jtags TD0 and TDI .

Here are the software changes .

In the CC2640R2_LAUNCHXL.c file for the following table, the changes done are

const PIN_Config BoardGpioInitTable[] = {
CC2640R2_LAUNCHXL_PIN_RLED | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX, /* LED initially off */
CC2640R2_LAUNCHXL_PIN_GLED | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX, /* LED initially off */
CC2640R2_LAUNCHXL_PIN_BTN1 | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_BOTHEDGES | PIN_HYSTERESIS, /* Button is active low */
CC2640R2_LAUNCHXL_PIN_BTN2 | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_BOTHEDGES | PIN_HYSTERESIS, /* Button is active low */
CC2640R2_LAUNCHXL_SPI_FLASH_CS | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL | PIN_DRVSTR_MIN, /* External flash chip select */
CC2640R2_LAUNCHXL_UART_RX | PIN_INPUT_EN | PIN_PULLDOWN, /* UART RX via debugger back channel */
CC2640R2_LAUNCHXL_UART_TX | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL, /* UART TX via debugger back channel */
CC2640R2_LAUNCHXL_SPI0_MOSI | PIN_INPUT_EN | PIN_PULLDOWN, /* SPI master out - slave in */
CC2640R2_LAUNCHXL_SPI0_MISO | PIN_INPUT_EN | PIN_PULLDOWN, /* SPI master in - slave out */
CC2640R2_LAUNCHXL_SPI0_CLK | PIN_INPUT_EN | PIN_PULLDOWN, /* SPI clock */
CC2640R2_LAUNCHXL_DIO16_TDO | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
CC2640R2_LAUNCHXL_DIO17_TDI | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
PIN_TERMINATE
};


GPIO_PinConfig gpioPinConfigs[] = {
/* Input pins */
GPIOCC26XX_DIO_13 | GPIO_DO_NOT_CONFIG, /* Button 0 */
GPIOCC26XX_DIO_14 | GPIO_DO_NOT_CONFIG, /* Button 1 */

GPIOCC26XX_DIO_15 | GPIO_DO_NOT_CONFIG, /* CC2640R2_LAUNCHXL_SPI_MASTER_READY */
GPIOCC26XX_DIO_21 | GPIO_DO_NOT_CONFIG, /* CC2640R2_LAUNCHXL_SPI_SLAVE_READY */

/* Output pins */
GPIOCC26XX_DIO_07 | GPIO_DO_NOT_CONFIG, /* Green LED */
GPIOCC26XX_DIO_06 | GPIO_DO_NOT_CONFIG, /* Red LED */

/* SPI Flash CSN */
GPIOCC26XX_DIO_20 | GPIO_DO_NOT_CONFIG,

/* SD CS */
GPIOCC26XX_DIO_21 | GPIO_DO_NOT_CONFIG,

/* Sharp Display - GPIO configurations will be done in the Display files */
GPIOCC26XX_DIO_24 | GPIO_DO_NOT_CONFIG, /* SPI chip select */
GPIOCC26XX_DIO_22 | GPIO_DO_NOT_CONFIG, /* LCD power control */
GPIOCC26XX_DIO_23 | GPIO_DO_NOT_CONFIG, /*LCD enable */

GPIOCC26XX_DIO_16 | GPIO_DO_NOT_CONFIG,
GPIOCC26XX_DIO_17 | GPIO_DO_NOT_CONFIG,


};

In CC2640R2_LAUNCHXL.h file the changes done are
typedef enum CC2640R2_LAUNCHXL_GPIOName {
CC2640R2_LAUNCHXL_GPIO_S1 = 0,
CC2640R2_LAUNCHXL_GPIO_S2,
CC2640R2_LAUNCHXL_SPI_MASTER_READY,
CC2640R2_LAUNCHXL_SPI_SLAVE_READY,
CC2640R2_LAUNCHXL_GPIO_LED_GREEN,
CC2640R2_LAUNCHXL_GPIO_LED_RED,
CC2640R2_LAUNCHXL_GPIO_SPI_FLASH_CS,
CC2640R2_LAUNCHXL_SDSPI_CS,
CC2640R2_LAUNCHXL_GPIO_LCD_CS,
CC2640R2_LAUNCHXL_GPIO_LCD_POWER,
CC2640R2_LAUNCHXL_GPIO_LCD_ENABLE,
CC2640R2_LAUNCHXL_GPIO_16_TDO,
CC2640R2_LAUNCHXL_GPIO_17_TDI,
CC2640R2_LAUNCHXL_GPIOCOUNT
} CC2640R2_LAUNCHXL_GPIOName;


In Board.h file the changes added the below llines .
#define Board_GPIO_TDO CC2640R2_LAUNCHXL_GPIO_16_TDO
#define Board_GPIO_TDI CC2640R2_LAUNCHXL_GPIO_17_TD1

In CC2640R2_LAUNCHXL.h already we have the definition below .
#define CC2640R2_LAUNCHXL_DIO16_TDO IOID_16
#define CC2640R2_LAUNCHXL_DIO17_TDI IOID_17


void *mainThread(void *arg0)
{
/* 1 second delay */
uint32_t time = 1;

/* Call driver init functions */
GPIO_init();

/* Configure the LED pin */
GPIO_setConfig(Board_GPIO_LED0, GPIO_CFG_OUT_STD | GPIO_CFG_OUT_LOW);
GPIO_setConfig(Board_GPIO_LED1, GPIO_CFG_OUT_STD | GPIO_CFG_OUT_LOW);
GPIO_setConfig(Board_GPIO_TDO, GPIO_CFG_OUT_STD | GPIO_CFG_OUT_LOW);
GPIO_setConfig( Board_GPIO_TDI , GPIO_CFG_OUT_STD | GPIO_CFG_OUT_LOW);

/* Turn on user LED */
GPIO_write(Board_GPIO_LED0, Board_GPIO_LED_ON);
GPIO_write(Board_GPIO_LED1, Board_GPIO_LED_ON);
GPIO_write(Board_GPIO_TDO, Board_GPIO_LED_ON);
GPIO_write( Board_GPIO_TDI , Board_GPIO_LED_ON);

while (1) {
sleep(time);
GPIO_toggle(Board_GPIO_LED0);
GPIO_toggle(Board_GPIO_LED1);
GPIO_toggle(Board_GPIO_TDO);
GPIO_toggle( Board_GPIO_TDI );
}
}

I think I am following the wright procedure . Kindly guide me .