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nRF5x uart hardware flow control configuration using mbed configuration systsem #2535

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merged 1 commit into from
Aug 25, 2016
Merged

nRF5x uart hardware flow control configuration using mbed configuration systsem #2535

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10 changes: 10 additions & 0 deletions hal/targets.json
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Original file line number Diff line number Diff line change
Expand Up @@ -1891,6 +1891,11 @@
"lf_clock_src": {
"value": "NRF_LF_SRC_XTAL",
"macro_name": "MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC"
},
"uart_hwfc": {
"help": "Value: 1 for enable, 0 for disable",
"value": 1,
"macro_name": "MBED_CONF_NORDIC_UART_HWFC"
}
}
},
Expand Down Expand Up @@ -1936,6 +1941,11 @@
"lf_clock_src": {
"value": "NRF_LF_SRC_XTAL",
"macro_name": "MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC"
},
"uart_hwfc": {
"help": "Value: 1 for enable, 0 for disable",
"value": 1,
"macro_name": "MBED_CONF_NORDIC_UART_HWFC"
}
}
},
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14 changes: 13 additions & 1 deletion hal/targets/hal/TARGET_NORDIC/TARGET_NRF5/serial_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,19 @@

#define UART_DEFAULT_BAUDRATE UART0_CONFIG_BAUDRATE
#define UART_DEFAULT_PARITY UART0_CONFIG_PARITY
#define UART_DEFAULT_HWFC UART0_CONFIG_HWFC

// expected the macro from mbed configuration system
#ifndef MBED_CONF_NORDIC_UART_HWFC
#define MBED_CONF_NORDIC_UART_HWFC 1
#warning None of UART flow control configuration (expected macro MBED_CONF_NORDIC_UART_HWFC). The RTSCTS flow control is used by default .
#endif

#if MBED_CONF_NORDIC_UART_HWFC == 1
#define UART_DEFAULT_HWFC UART0_CONFIG_HWFC
#else
#define UART_DEFAULT_HWFC NRF_UART_HWFC_DISABLED
#endif

#define UART_DEFAULT_CTS UART0_CONFIG_PSEL_CTS
#define UART_DEFAULT_RTS UART0_CONFIG_PSEL_RTS

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