47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
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// Copyright (c) 2015-2016, XMOS Ltd, All rights reserved
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#include <xs1.h>
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#include <platform.h>
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#include <print.h>
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#include <uart.h>
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#include <stddef.h>
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// Port declarations
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in port p_uart_rx = on tile[0] : XS1_PORT_1A;
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out port p_uart_tx = on tile[0] : XS1_PORT_1B;
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/* This function performs the main "application" that outputs and reads
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some bytes over UART */
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void app(streaming chanend c_tx, streaming chanend c_rx)
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{
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uint8_t byte;
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printstrln("Test started");
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byte = 0;
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for (size_t i = 0; i < 20; i++) {
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printstr("Echo 10 bytes... ");
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for(size_t j = 0; j < 10; j++) {
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uart_tx_streaming_write_byte(c_tx, byte);
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byte = byte + 1;
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}
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for(size_t j = 0; j < 10; j++) {
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uart_rx_streaming_read_byte(c_rx, byte);
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printhex(byte);
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}
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}
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printstrln(". Done.");
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}
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#define TICKS_PER_BIT 20
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/* "main" function that sets up two uarts and the application */
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int main() {
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streaming chan c_rx;
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streaming chan c_tx;
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par {
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on tile[0]: uart_tx_streaming(p_uart_tx, c_tx, TICKS_PER_BIT);
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on tile[0]: uart_rx_streaming(p_uart_rx, c_rx, TICKS_PER_BIT);
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on tile[0]: app(c_tx, c_rx);
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}
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return 0;
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}
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