Steins7
b992e2b8fb
For now, only basic traces are implemented. The rest will follow once a printf function is implemented
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/** @file debug.c
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* Module handling various debug functions
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*
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* The module provides a range of functions and tools to make debug more
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* convenient
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*/
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//--includes--------------------------------------------------------------------
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#include "debug.h"
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//--local definitions-----------------------------------------------------------
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#define BUFFER_SIZE 83 //80 char line + \n + 2 bytes for index
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#define BUFFER_NB 3 //1 buffer in write, one in transfer and one waiting
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//--local variables-------------------------------------------------------------
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static enum UsartPeriph usart_periph;
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static uint8_t tx_buffer1[BUFFER_SIZE];
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static uint8_t tx_buffer2[BUFFER_SIZE];
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static uint8_t tx_buffer3[BUFFER_SIZE];
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static uint8_t* tx_buffers[BUFFER_NB] = {tx_buffer1, tx_buffer2, tx_buffer3};
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//--public functions------------------------------------------------------------
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#if DEBUG_TRACE || DEBUG_WARN || DEBUG_ERROR
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void _debug_init(enum UsartPeriph usart, enum GpioPort tx_port,
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enum GpioPin tx_pin)
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{
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usart_periph = usart;
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gpio_configure(tx_port, tx_pin, GPIO_MODE_OUTPUT_FAST,
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GPIO_CONFIG_OUT_ALT_PUSH_PULL);
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usart_configure(usart_periph, USART_CONFIG_8N1, 1152000);
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usart_set_tx_buffer(USART_PERIPH_3, tx_buffers, BUFFER_SIZE, BUFFER_NB,
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DMA_CONFIG_PRIO_LOW);
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debug_trace("\n");
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debug_trace("--------------------------------------------------------------------------------\n");
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debug_trace("starting debug software\n");
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debug_trace("compiled on " __DATE__ " at " __TIME__ "\n");
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debug_trace("--------------------------------------------------------------------------------\n");
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}
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void _debug_trace(char* format, ...)
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{
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while(*format != '\0') {
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while(usart_write_byte(usart_periph, *format)) {}
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++format;
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}
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}
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#endif
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//--local functions-------------------------------------------------------------
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