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# # old_revision [1dfe3b7eee76f3c8aea3b33932857682ee17701c] # new_revision [68c54ace6787b0823a233e780455f7371665a228] # # patch "uart.c" # from [07a014210246046a28c0b690de8dd6dd8af95e2d] # to [601012b857324c934c9bc318a55df1029187a16b] # ============================================================ --- uart.c 07a014210246046a28c0b690de8dd6dd8af95e2d +++ uart.c 601012b857324c934c9bc318a55df1029187a16b @@ -4,8 +4,6 @@ #define UARTBASE 0xE000C000 -#define FP0XVAL (*((volatile unsigned int *) 0x3FFFC014)) - #define RBR 0x00 #define THR 0x00 #define DLL 0x00 @@ -172,14 +170,11 @@ void puthex(unsigned int n) { putstr(s+i); } -char getch(void) { - char c; +bool getch(char *c) { + if (uart_rxread == uart_rxwrite) + return FALSE; - while (uart_rxread == uart_rxwrite) { - FP0XVAL ^= 0x04000000; - } - - c = uart_rxbuf[uart_rxread]; + *c = uart_rxbuf[uart_rxread]; uart_rxread = (uart_rxread + 1) % UART_RXBUFSIZE; - return c; + return TRUE; }