Start UART data transmission.
Remark 1. | This API function repeats the 1 byte-level UART transmission from the buffer specified in argument tx_buf the number of times specified in argument tx_num. |
Remark 2. | R_UARTm_Start must be called before this API function is called. |
［Syntax］
#include "r_cg_macrodriver.h"
MD_STATUS R_CUARTm_Send ( const uint16_t * tx_buf, uint16_t tx_num );
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Remark | m is the channel number. |
［Argument(s)］
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const uint16_t * tx_buf;
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Pointer to a buffer storing the transmission data
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uint16_t tx_num;
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Total amount of data to send
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［［Return value］
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MD_OK
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Normal completion
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MD_ARGERROR
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Invalid argument specification
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