static int cmd_init(int argc, char **argv)
{
int dev, res;
uint32_t baud;
if (argc < 3) {
printf("usage: %s <dev> <baudrate>\n", argv[0]);
return 1;
}
/* parse parameters */
dev = parse_dev(argv[1]);
if (dev < 0) {
return 1;
}
baud = (uint32_t)atoi(argv[2]);
/* initialize UART */
res = uart_init(UART_DEV(dev), baud, rx_cb, (void *)dev);
if (res == -1) {
printf("Error: Given baudrate (%u) not possible\n", (unsigned int)baud);
return 1;
}
else if (res < -1) {
puts("Error: Unable to initialize UART device\n");
return 1;
}
printf("Successfully initialized UART_DEV(%i)\n", dev);
return 0;
}
static int parse_uart(char *arg)
{
unsigned uart = atoi(arg);
if (uart >= UART_NUMOF) {
printf("Error: Invalid UART_DEV device specified (%u).\n", uart);
return -1;
}
else if (UART_DEV(uart) == UART_STDIO_DEV) {
printf("Error: The selected UART_DEV(%u) is used for the shell!\n", uart);
return -2;
}
return uart;
}
static int init(int argc, char **argv)
{
(void)argc;
(void)argv;
if (argc < 3) {
printf("Usage: %s <uart> <baudrate>\n", argv[0]);
return 1;
}
uint8_t uart = atoi(argv[1]);
uint32_t baudrate = atoi(argv[2]);
at_dev_init(&at_dev, UART_DEV(uart), baudrate, buf, sizeof(buf));
return 0;
}
static int cmd_send(int argc, char **argv)
{
int dev;
if (argc < 3) {
printf("usage: %s <dev> <data (string)>\n", argv[0]);
return 1;
}
/* parse parameters */
dev = parse_dev(argv[1]);
if (dev < 0) {
return 1;
}
printf("UART_DEV(%i) TX: %s\n", dev, argv[2]);
uart_write(UART_DEV(dev), (uint8_t *)argv[2], strlen(argv[2]) + 1);
return 0;
}
void UART_5_ISR(void)
{
irq_handler(UART_DEV(5));
}
void UART_4_ISR(void)
{
irq_handler(UART_DEV(4));
}
void UART_3_ISR(void)
{
irq_handler(UART_DEV(3));
}
void UART_2_ISR(void)
{
irq_handler(UART_DEV(2));
}
void UART_1_ISR(void)
{
irq_handler(UART_DEV(1));
}
void UART_0_ISR(void)
{
irq_handler(UART_DEV(0));
}