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authorFredrik Thulin <fredrik@thulin.net>2016-05-13 12:52:38 +0200
committerFredrik Thulin <fredrik@thulin.net>2016-05-13 12:58:54 +0200
commitc670d7b194eea62d6fd6f9de0ae4025abe076ad4 (patch)
tree7a7411ea6cc794eadfc5156b4484a377bdf15d38 /projects
parentdb5b2075d6cf51a819c669ca48dc24cd578a625f (diff)
Add test program for libcli based CLI.
Diffstat (limited to 'projects')
-rw-r--r--projects/cli-test/Makefile21
-rw-r--r--projects/cli-test/cli-test.c165
2 files changed, 186 insertions, 0 deletions
diff --git a/projects/cli-test/Makefile b/projects/cli-test/Makefile
new file mode 100644
index 0000000..1f1f890
--- /dev/null
+++ b/projects/cli-test/Makefile
@@ -0,0 +1,21 @@
+TEST = cli-test
+
+CFLAGS += -I$(LIBCLI_DIR)
+LIBS += $(LIBCLI_DIR)/libcli.a
+
+all: $(TEST:=.elf)
+
+%.elf: %.o $(BOARD_OBJS) $(LIBS)
+ $(CC) $(CFLAGS) $^ -o $@ -T$(LDSCRIPT) -g -Wl,-Map=$*.map
+ $(OBJCOPY) -O ihex $*.elf $*.hex
+ $(OBJCOPY) -O binary $*.elf $*.bin
+ $(OBJDUMP) -St $*.elf >$*.lst
+ $(SIZE) $*.elf
+
+clean:
+ rm -f *.o
+ rm -f *.elf
+ rm -f *.hex
+ rm -f *.bin
+ rm -f *.map
+ rm -f *.lst
diff --git a/projects/cli-test/cli-test.c b/projects/cli-test/cli-test.c
new file mode 100644
index 0000000..2f246a5
--- /dev/null
+++ b/projects/cli-test/cli-test.c
@@ -0,0 +1,165 @@
+/*
+ * Test code with a small CLI on the management interface
+ *
+ */
+#include "stm32f4xx_hal.h"
+#include "stm-init.h"
+#include "stm-led.h"
+#include "stm-uart.h"
+
+#include <string.h>
+#include <libcli.h>
+
+#define DELAY() HAL_Delay(250)
+
+int cmd_show_cpuspeed(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ volatile uint32_t hclk;
+
+ hclk = HAL_RCC_GetHCLKFreq();
+ cli_print(cli, "HCLK: %li (%i MHz)", hclk, (int) hclk / 1000 / 1000);
+ return CLI_OK;
+}
+
+void uart_cli_print(struct cli_def *cli __attribute__ ((unused)), const char *buf)
+{
+ char crlf[] = "\r\n";
+ uart_send_string2(STM_UART_MGMT, buf);
+ uart_send_string2(STM_UART_MGMT, crlf);
+}
+
+int uart_cli_read(struct cli_def *cli __attribute__ ((unused)), void *buf, size_t count)
+{
+ if (uart_recv_char2(STM_UART_MGMT, buf, count) != HAL_OK) {
+ return -1;
+ }
+ return 1;
+}
+
+int uart_cli_write(struct cli_def *cli __attribute__ ((unused)), const void *buf, size_t count)
+{
+ uart_send_bytes(STM_UART_MGMT, (uint8_t *) buf, count);
+ return (int) count;
+}
+
+int embedded_cli_loop(struct cli_def *cli)
+{
+ unsigned char c;
+ int n = 0;
+ static struct cli_loop_ctx ctx;
+
+ memset(&ctx, 0, sizeof(ctx));
+ ctx.insertmode = 1;
+
+ cli->state = CLI_STATE_LOGIN;
+
+ /* start off in unprivileged mode */
+ cli_set_privilege(cli, PRIVILEGE_UNPRIVILEGED);
+ cli_set_configmode(cli, MODE_EXEC, NULL);
+
+ cli_error(cli, "%s", cli->banner);
+
+ while (1) {
+ cli_loop_start_new_command(cli, &ctx);
+ HAL_GPIO_TogglePin(LED_PORT, LED_YELLOW);
+
+ while (1) {
+ HAL_GPIO_TogglePin(LED_PORT, LED_BLUE);
+
+ cli_loop_show_prompt(cli, &ctx);
+
+ n = cli_loop_read_next_char(cli, &ctx, &c);
+ //cli_print(cli, "Next char: '%c' (n == %i)", c, n);
+ if (n == CLI_LOOP_CTRL_BREAK)
+ break;
+ if (n == CLI_LOOP_CTRL_CONTINUE)
+ continue;
+
+ n = cli_loop_process_char(cli, &ctx, c);
+ if (n == CLI_LOOP_CTRL_BREAK)
+ break;
+ if (n == CLI_LOOP_CTRL_CONTINUE)
+ continue;
+ }
+
+ if (ctx.l < 0) break;
+
+ //cli_print(cli, "Process command: '%s'", ctx.cmd);
+ n = cli_loop_process_cmd(cli, &ctx);
+ if (n == CLI_LOOP_CTRL_BREAK)
+ break;
+ }
+
+ return CLI_OK;
+}
+
+int check_auth(const char *username, const char *password)
+{
+ if (strcasecmp(username, "ct") != 0)
+ return CLI_ERROR;
+ if (strcasecmp(password, "ct") != 0)
+ return CLI_ERROR;
+ return CLI_OK;
+}
+
+int
+main()
+{
+ struct cli_command cmd_show_s = {(char *) "show", NULL, 0, NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL, NULL, NULL};
+ struct cli_command cmd_show_cpuspeed_s = {(char *) "cpuspeed", cmd_show_cpuspeed, 0,
+ (char *) "Show the speed at which the CPU currently operates",
+ PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL, NULL, NULL};
+
+ char crlf[] = "\r\n";
+ uint8_t tx = 'A';
+ uint8_t rx = 0;
+ uint8_t upper = 0;
+ struct cli_def cli;
+
+ memset(&cli, 0, sizeof(cli));
+
+ stm_init();
+
+ HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_SET);
+
+ cli_init(&cli);
+ cli_read_callback(&cli, uart_cli_read);
+ cli_write_callback(&cli, uart_cli_write);
+ cli_print_callback(&cli, uart_cli_print);
+ cli_set_banner(&cli, "libcli on an STM32");
+ cli_set_hostname(&cli, "cryptech");
+ cli_set_auth_callback(&cli, check_auth);
+ cli_telnet_protocol(&cli, 0);
+
+ cli_register_command2(&cli, &cmd_show_s, NULL);
+ cli_register_command2(&cli, &cmd_show_cpuspeed_s, &cmd_show_s);
+
+ HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_RESET);
+ HAL_GPIO_WritePin(LED_PORT, LED_GREEN, GPIO_PIN_SET);
+
+ embedded_cli_loop(&cli);
+
+ 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);
+ }
+ }
+}