README.txt « mbed « libraries - sw/stm32 - Cryptech HSM on STM-32 ARM processor

about summary refs log tree commit diff

path: root/libraries/mbed/README.txt

blob: b68245cef46c602d799fe1516aef24504b43c07f (plain) (blame)

1
2

Imported from https://github.com/mbedmicro/mbed.git
tag mbed_lib_rev117, commit 58c0b22c8c0a1f43dc05df76287cf0a298e0cad5

044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

/*
 * Test code that just sends the letters 'a' to 'z' over and
 * over again to both the USER and MGMT UARTs. If a CR is received,
 * it will toggle upper/lower case of the letters being sent.
 *
 * Toggles the BLUE LED slowly and the GREEN LED for every
 * character sent.
 */
#include "stm32f4xx_hal.h"
#include "stm-init.h"
#include "stm-led.h"
#include "stm-uart.h"

#define DELAY() HAL_Delay(100)

int
main()
{
    char crlf[] = "\r\n";
    uint8_t tx = 'A';
    uint8_t rx = 0;
    uint8_t upper = 0;

    stm_init();

    while (1) {
	led_toggle(LED_GREEN);

	uart_send_char2(STM_UART_USER, tx + upper);
	uart_send_char2(STM_UART_MGMT, tx + upper);
	DELAY();

	if (uart_recv_char2(STM_UART_USER, &rx, 0) == HAL_OK ||
	    uart_recv_char2(STM_UART_MGMT, &rx, 0) == HAL_OK) {
	    led_toggle(LED_YELLOW);
	    if (rx == '\r') {
		upper = upper == 0 ? ('a' - 'A'):0;
	    }
	}

	if (tx++ == 'Z') {
	    /* linefeed after each alphabet */
	    uart_send_string2(STM_UART_USER, crlf);
	    uart_send_string2(STM_UART_MGMT, crlf);
	    tx = 'A';
	    led_toggle(LED_BLUE);
	}
    }
}