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LPC55S69: fix serial_set_flow_control #11775

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Merged
merged 1 commit into from
Nov 5, 2019
Merged

LPC55S69: fix serial_set_flow_control #11775

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12 changes: 8 additions & 4 deletions targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/serial_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -398,8 +398,10 @@ void serial_set_flow_control(serial_t *obj, FlowControl type, PinName rxflow, Pi

case FlowControlCTS:
/* Do not use RTS, configure pin to GPIO input */
gpio_init(&gpio, rxflow);
gpio_dir(&gpio, PIN_INPUT);
if (rxflow != NC) {
gpio_init(&gpio, rxflow);
gpio_dir(&gpio, PIN_INPUT);
}

pinmap_pinout(txflow, PinMap_UART_CTS);
uart_addrs[obj->index]->CFG |= USART_CFG_CTSEN_MASK;
Expand All @@ -413,8 +415,10 @@ void serial_set_flow_control(serial_t *obj, FlowControl type, PinName rxflow, Pi

case FlowControlNone:
/* Do not use RTS, configure pin to GPIO input */
gpio_init(&gpio, rxflow);
gpio_dir(&gpio, PIN_INPUT);
if (rxflow != NC) {
gpio_init(&gpio, rxflow);
gpio_dir(&gpio, PIN_INPUT);
}

uart_addrs[obj->index]->CFG &= ~USART_CFG_CTSEN_MASK;
break;
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