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ADD: uart paramters control functions implementation
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@r2axz
r2axz committed Nov 19, 2020
1 parent da90733 commit fc07934
Showing 1 changed file with 41 additions and 17 deletions.
58 changes: 41 additions & 17 deletions cdc_shell.c
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Original file line number Diff line number Diff line change
Expand Up @@ -51,17 +51,20 @@ int cdc_shell_invoke_command(int argc, char *argv[], const cdc_shell_cmd_t *comm

/* Set Commands */

static const char *cdc_shell_err_uart_missing_arguments = "Error, no arguments, use \"help uart\" for the list of arguments.\r\n";
static const char *cdc_shell_err_uart_invalid_uart = "Error, invalid UART number.\r\n";
static const char *cdc_shell_err_uart_unknown_signal = "Error, unknown signal name.\r\n";
static const char *cdc_shell_err_uart_missing_signame = "Error, expected \"show\" or a signal name, got nothing.\r\n";
static const char *cdc_shell_err_uart_missing_params = "Error, missing signal parameters.\r\n";
static const char *cdc_shell_err_uart_missing_output_type = "Error, missing output type.\r\n";
static const char *cdc_shell_err_uart_invalid_output_type = "Error, invalid output type.\r\n";
static const char *cdc_shell_err_uart_missing_polarity = "Error, missing polarity.\r\n";
static const char *cdc_shell_err_uart_invalid_polarity = "Error, invalid polarity.\r\n";
static const char *cdc_shell_err_uart_missing_pull_type = "Error, missing pull type.\r\n";
static const char *cdc_shell_err_uart_invalid_pull_type = "Error, invalid pull type.\r\n";
static const char *cdc_shell_err_uart_missing_arguments = "Error, no arguments, use \"help uart\" for the list of arguments.\r\n";
static const char *cdc_shell_err_uart_invalid_uart = "Error, invalid UART number.\r\n";
static const char *cdc_shell_err_uart_unknown_signal = "Error, unknown signal name.\r\n";
static const char *cdc_shell_err_uart_missing_signame = "Error, expected \"show\" or a signal name, got nothing.\r\n";
static const char *cdc_shell_err_uart_missing_params = "Error, missing signal parameters.\r\n";
static const char *cdc_shell_err_uart_missing_output_type = "Error, missing output type.\r\n";
static const char *cdc_shell_err_uart_invalid_output_type = "Error, invalid output type.\r\n";
static const char *cdc_shell_err_uart_missing_polarity = "Error, missing polarity.\r\n";
static const char *cdc_shell_err_uart_invalid_polarity = "Error, invalid polarity.\r\n";
static const char *cdc_shell_err_uart_missing_pull_type = "Error, missing pull type.\r\n";
static const char *cdc_shell_err_uart_invalid_pull_type = "Error, invalid pull type.\r\n";
static const char *cdc_shell_err_cannot_set_output_type_for_input = "Error, cannot set output type for input pin.\r\n";
static const char *cdc_shell_err_cannot_change_polarity = "Error, cannot change polarity of alternate function pins.\r\n";
static const char *cdc_shell_err_cannot_set_pull_for_output = "Error, cannot pull type for output pin.\r\n";


static const char *_cdc_uart_signal_names[cdc_pin_last] = {
Expand Down Expand Up @@ -168,28 +171,49 @@ static void cdc_shell_cmd_uart_show(int port) {
}
}

static void cdc_shell_cmd_uart_set_output_type(int port, cdc_pin_t uart_signal, gpio_output_t output_type) {
static int cdc_shell_cmd_uart_set_output_type(int port, cdc_pin_t uart_pin, gpio_output_t output) {
for (int port_index = ((port == -1) ? 0 : port);
port_index < ((port == -1) ? USB_CDC_NUM_PORTS : port + 1);
port_index++) {
cdc_shell_write("set output type stub\r\n", strlen("set output type stub\r\n"));
gpio_pin_t *pin = &device_config_get()->cdc_config.port_config[port_index].pins[uart_pin];
if (pin->dir == gpio_dir_output) {
pin->output = output;
} else {
cdc_shell_write(cdc_shell_err_cannot_set_output_type_for_input, strlen(cdc_shell_err_cannot_set_output_type_for_input));
return -1;
}
}
return 0;
}

static void cdc_shell_cmd_uart_set_polarity(int port, cdc_pin_t uart_signal, gpio_polarity_t polarity) {
static int cdc_shell_cmd_uart_set_polarity(int port, cdc_pin_t uart_pin, gpio_polarity_t polarity) {
for (int port_index = ((port == -1) ? 0 : port);
port_index < ((port == -1) ? USB_CDC_NUM_PORTS : port + 1);
port_index++) {
cdc_shell_write("set polarity stub\r\n", strlen("set polarity stub\r\n"));
gpio_pin_t *pin = &device_config_get()->cdc_config.port_config[port_index].pins[uart_pin];
if (pin->func == gpio_func_general) {
pin->polarity = polarity;
} else {
cdc_shell_write(cdc_shell_err_cannot_change_polarity, strlen(cdc_shell_err_cannot_change_polarity));
return -1;
}
}
return 0;
}

static void cdc_shell_cmd_uart_set_pull_type(int port, cdc_pin_t uart_signal, gpio_pull_t polarity) {
static int cdc_shell_cmd_uart_set_pull_type(int port, cdc_pin_t uart_pin, gpio_pull_t pull) {
for (int port_index = ((port == -1) ? 0 : port);
port_index < ((port == -1) ? USB_CDC_NUM_PORTS : port + 1);
port_index++) {
cdc_shell_write("set pull stub\r\n", strlen("set pull stub\r\n"));
gpio_pin_t *pin = &device_config_get()->cdc_config.port_config[port_index].pins[uart_pin];
if (pin->dir == gpio_dir_input) {
pin->pull = pull;
} else {
cdc_shell_write(cdc_shell_err_cannot_set_pull_for_output, strlen(cdc_shell_err_cannot_set_pull_for_output));
return -1;
}
}
return 0;
}

static void cdc_shell_cmd_uart(int argc, char *argv[]) {
Expand Down

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