Peripherals

UART

• ttyS1

config-pin P2_09 uart
config-pin P2_11 uart

PWM

• ehrpwm0A: P1_08 & P1_36 (shared)

config-pin P1_08 pwm
#or
config-pin P1_36 pwm

export ocp=/sys/devices/platform/ocp
echo 0 > ${ocp}/48300000.epwmss/48300200.pwm/pwm/pwmchip*/export
echo 20000 > ${ocp}/48300000.epwmss/48300200.pwm/pwm/pwmchip*/pwm0/period
echo 10000 > ${ocp}/48300000.epwmss/48300200.pwm/pwm/pwmchip*/pwm0/duty_cycle
echo 1 > ${ocp}/48300000.epwmss/48300200.pwm/pwm/pwmchip*/pwm0/enable

• ehrpwm0B: P1_10 or P1_33 (shared)

config-pin P1_10 pwm
#or
config-pin P1_33 pwm

export ocp=/sys/devices/platform/ocp
echo 1 > ${ocp}/48300000.epwmss/48300200.pwm/pwm/pwmchip*/export
echo 20000 > ${ocp}/48300000.epwmss/48300200.pwm/pwm/pwmchip*/pwm1/period
echo 10000 > /${ocp}/48300000.epwmss/48300200.pwm/pwm/pwmchip*/pwm1/duty_cycle
echo 1 > ${ocp}/48300000.epwmss/48300200.pwm/pwm/pwmchip*/pwm1/enable

• ehrpwm1A: P2_01

config-pin P2_01 pwm

export ocp=/sys/devices/platform/ocp
echo 0 > ${ocp}/48302000.epwmss/48302200.pwm/pwm/pwmchip*/export
echo 20000 > ${ocp}/48302000.epwmss/48302200.pwm/pwm/pwmchip*/pwm0/period
echo 10000 > ${ocp}/48302000.epwmss/48302200.pwm/pwm/pwmchip*/pwm0/duty_cycle
echo 1 > ${ocp}/48302000.epwmss/48302200.pwm/pwm/pwmchip*/pwm0/enable

• ehrpwm2B: P2_03

config-pin P2_03 pwm

export ocp=/sys/devices/platform/ocp
echo 1 > ${ocp}/48304000.epwmss/48304200.pwm/pwm/pwmchip*/export
echo 20000 > ${ocp}/48304000.epwmss/48304200.pwm/pwm/pwmchip*/pwm1/period
echo 10000 > ${ocp}/48304000.epwmss/48304200.pwm/pwm/pwmchip*/pwm1/duty_cycle
echo 1 > ${ocp}/48304000.epwmss/48304200.pwm/pwm/pwmchip*/pwm1/enable