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33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
//
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// Minimal support for printf to USART
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// - current version is just blocking
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#include "app.h"
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#include "system_config.h"
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#include "peripheral/usart/plib_usart.h"
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#include "system/clk/sys_clk.h"
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#include "system/ports/sys_ports.h"
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/// Debug Output ///
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// called by printf
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void _mon_putc (char c)
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{
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while (!PLIB_USART_TransmitterIsEmpty(APP_DEBUG_USART_ID));
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PLIB_USART_TransmitterByteSend(APP_DEBUG_USART_ID, c);;
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}
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void APP_Debug_Initialize(void){
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// PPS Output Mapping:
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PLIB_PORTS_RemapOutput(PORTS_ID_0, OUTPUT_FUNC_U1TX, OUTPUT_PIN_RPD3 );
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/* Initialize USART */
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PLIB_USART_BaudRateSet(APP_DEBUG_USART_ID, SYS_CLK_PeripheralFrequencyGet(CLK_BUS_PERIPHERAL_1), APP_DEBUG_USART_BAUD);
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PLIB_USART_HandshakeModeSelect(APP_DEBUG_USART_ID, USART_HANDSHAKE_MODE_FLOW_CONTROL);
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PLIB_USART_OperationModeSelect(APP_DEBUG_USART_ID, USART_ENABLE_TX_RX_USED);
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PLIB_USART_LineControlModeSelect(APP_DEBUG_USART_ID, USART_8N1);
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PLIB_USART_TransmitterEnable(APP_DEBUG_USART_ID);
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PLIB_USART_Enable(APP_DEBUG_USART_ID);
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} |