* @param path for example "/dev/ttyS0"
* @return uart context or NULL
*/
-mraa_uart_context mraa_uart_init_raw(char* path);
+mraa_uart_context mraa_uart_init_raw(const char* path);
/**
* Flush the outbound data.
* @param length maximum size of buffer
* @return the number of bytes written, or -1 if an error occurred
*/
-int mraa_uart_write(mraa_uart_context dev, char* buf, size_t length);
+int mraa_uart_write(mraa_uart_context dev, const char* buf, size_t length);
/**
* Check to see if data is available on the device for reading
}
mraa_uart_context
-mraa_uart_init_raw(char* path)
+mraa_uart_init_raw(const char* path)
{
mraa_uart_context dev = (mraa_uart_context) malloc(sizeof(struct _uart));
if (dev == NULL) {
}
int
-mraa_uart_write(mraa_uart_context dev, char* buf, size_t len)
+mraa_uart_write(mraa_uart_context dev, const char* buf, size_t len)
{
if (!dev) {
syslog(LOG_ERR, "uart: write: context is NULL");