librpip

librpipUartWrite

uint32_t librpipUartWrite(uint32_t id, void* buf, uint16_t len);

Description

Writes a buffer to the UART.

Parameters

• uint32_t id
  The UART to write to. TheUART needs to have been detected during the librpipInit().
• void* buf
  A pointer to data which will be written to the UART. Data needs to be 8 bit, e.g. char, unsigned char, uint8_t, int8_t.
• uint16_t len
  The length of the buffer to write.

Returns

0 on failure or 1 on success.

Example

Write ‘Hello’ out of UART0:

uint32_t feature_set;
feature_set = librpipInit(LIBRPIP_BOARD_DETECT, LIBRPIP_FLAG_DEBUG_ON, 0);
if(feature_set & LIBRPIP_FEATURE_UART0) {
        char buf[6];
        strcpy(buf,"Hello");
        librpipUartWrite(0, buf, sizeof(buf));
}
librpipClose();