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cc2531: USB CDC-ACM code style fixes 

Closes #18
This commit is contained in:
George Oikonomou 2012-10-31 18:48:37 +00:00
parent be93f1ae52
commit 79cffa030f
2 changed files with 43 additions and 48 deletions
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76
cpu/cc253x/usb/common/cdc-acm/cdc-acm.c
View File

@ -13,10 +13,10 @@
static uint8_t usb_ctrl_data_buffer[32]; static uint8_t usb_ctrl_data_buffer[32];
static struct usb_cdc_line_coding usb_line_coding = {9600, 0x00, 0x00, 0x08}; // 9600 baud, 8N1 static struct usb_cdc_line_coding usb_line_coding = { 9600, 0x00, 0x00, 0x08 }; // 9600 baud, 8N1
static uint8_t line_state; static uint8_t line_state;
static uint8_t events; static uint8_t events;
static struct process * cdc_event_process = NULL; static struct process *cdc_event_process = NULL;
static void static void
notify_user(uint8_t e) notify_user(uint8_t e)
@ -36,18 +36,20 @@ encapsulated_command(uint8_t *data, unsigned int length)
static void static void
set_line_encoding(uint8_t *data, unsigned int length) set_line_encoding(uint8_t *data, unsigned int length)
{ {
if (length == 7) { if(length == 7) {
#ifdef DEBUG #ifdef DEBUG
static const char parity_char[] = {'N', 'O', 'E', 'M', 'S'}; static const char parity_char[] = { 'N', 'O', 'E', 'M', 'S' };
static const char *stop_bits_str[] = {"1","1.5","2"}; static const char *stop_bits_str[] = { "1", "1.5", "2" };
const struct usb_cdc_line_coding *coding = const struct usb_cdc_line_coding *coding =
(const struct usb_cdc_line_coding *)usb_ctrl_data_buffer; (const struct usb_cdc_line_coding *)usb_ctrl_data_buffer;
char parity = ((coding->bParityType > 4) char parity = ((coding->bParityType > 4)
? '?' : parity_char[coding->bParityType]); ? '?' : parity_char[coding->bParityType]);
const char *stop_bits = ((coding->bCharFormat > 2) const char *stop_bits = ((coding->bCharFormat > 2)
? "?" : stop_bits_str[coding->bCharFormat]); ? "?" : stop_bits_str[coding->bCharFormat]);
PRINTF("Got CDC line coding: %ld/%d/%c/%s\n", PRINTF("Got CDC line coding: %ld/%d/%c/%s\n",
coding->dwDTERate, coding->bDataBits, parity, stop_bits); coding->dwDTERate, coding->bDataBits, parity, stop_bits);
#endif #endif
memcpy(&usb_line_coding, data, sizeof(usb_line_coding)); memcpy(&usb_line_coding, data, sizeof(usb_line_coding));
notify_user(USB_CDC_ACM_LINE_CODING); notify_user(USB_CDC_ACM_LINE_CODING);
@ -60,12 +62,14 @@ set_line_encoding(uint8_t *data, unsigned int length)
static unsigned int static unsigned int
handle_cdc_acm_requests() handle_cdc_acm_requests()
{ {
PRINTF("CDC request %02x %02x\n", usb_setup_buffer.bmRequestType, usb_setup_buffer.bRequest); PRINTF("CDC request %02x %02x\n", usb_setup_buffer.bmRequestType,
switch(usb_setup_buffer.bmRequestType) { usb_setup_buffer.bRequest);
switch (usb_setup_buffer.bmRequestType) {
case 0x21: /* CDC interface OUT requests */ case 0x21: /* CDC interface OUT requests */
/* Check if it's the right interface */ /* Check if it's the right interface */
if (usb_setup_buffer.wIndex != 0) return 0; if(usb_setup_buffer.wIndex != 0)
switch(usb_setup_buffer.bRequest) { return 0;
switch (usb_setup_buffer.bRequest) {
case SET_CONTROL_LINE_STATE: case SET_CONTROL_LINE_STATE:
line_state = usb_setup_buffer.wValue; line_state = usb_setup_buffer.wValue;
notify_user(USB_CDC_ACM_LINE_STATE); notify_user(USB_CDC_ACM_LINE_STATE);
@ -74,11 +78,10 @@ handle_cdc_acm_requests()
case SEND_ENCAPSULATED_COMMAND: case SEND_ENCAPSULATED_COMMAND:
{ {
unsigned int len = usb_setup_buffer.wLength; unsigned int len = usb_setup_buffer.wLength;
if (len > sizeof(usb_ctrl_data_buffer)) if(len > sizeof(usb_ctrl_data_buffer))
len = sizeof(usb_ctrl_data_buffer); len = sizeof(usb_ctrl_data_buffer);
usb_get_ctrl_data(usb_ctrl_data_buffer, len, usb_get_ctrl_data(usb_ctrl_data_buffer, len, encapsulated_command);
encapsulated_command);
} }
return 1; return 1;
@ -86,42 +89,40 @@ handle_cdc_acm_requests()
case SET_LINE_CODING: case SET_LINE_CODING:
{ {
unsigned int len = usb_setup_buffer.wLength; unsigned int len = usb_setup_buffer.wLength;
if (len > sizeof(usb_ctrl_data_buffer)) if(len > sizeof(usb_ctrl_data_buffer))
len = sizeof(usb_ctrl_data_buffer); len = sizeof(usb_ctrl_data_buffer);
usb_get_ctrl_data(usb_ctrl_data_buffer, len, usb_get_ctrl_data(usb_ctrl_data_buffer, len, set_line_encoding);
set_line_encoding);
} }
return 1; return 1;
} }
break; break;
case 0xa1: /* CDC interface IN requests */ case 0xa1: /* CDC interface IN requests */
if (usb_setup_buffer.wIndex != 0) return 0; if(usb_setup_buffer.wIndex != 0)
switch(usb_setup_buffer.bRequest) { return 0;
switch (usb_setup_buffer.bRequest) {
case GET_ENCAPSULATED_RESPONSE: case GET_ENCAPSULATED_RESPONSE:
PRINTF("CDC response"); PRINTF("CDC response");
usb_send_ctrl_status(); usb_send_ctrl_status();
return 1; return 1;
case GET_LINE_CODING: case GET_LINE_CODING:
usb_send_ctrl_response((uint8_t *) &usb_line_coding, 7); usb_send_ctrl_response((uint8_t *) & usb_line_coding, 7);
return 1; return 1;
} }
} }
return 0; return 0;
} }
static const struct USBRequestHandler cdc_acm_request_handler = static const struct USBRequestHandler cdc_acm_request_handler = {
{ 0x21, 0x7f,
0x21, 0x7f, 0x00, 0x00,
0x00, 0x00, handle_cdc_acm_requests
handle_cdc_acm_requests };
};
static struct USBRequestHandlerHook cdc_acm_request_hook = static struct USBRequestHandlerHook cdc_acm_request_hook = {
{ NULL,
NULL, &cdc_acm_request_handler
&cdc_acm_request_handler };
};
void void
usb_cdc_acm_setup() usb_cdc_acm_setup()
@ -154,4 +155,3 @@ usb_cdc_acm_set_event_process(struct process *p)
{ {
cdc_event_process = p; cdc_event_process = p;
} }

15
cpu/cc253x/usb/common/cdc-acm/cdc-acm.h
View File

@ -4,26 +4,21 @@
#include "cdc.h" #include "cdc.h"
#include "contiki.h" #include "contiki.h"
void void usb_cdc_acm_setup();
usb_cdc_acm_setup();
#define USB_CDC_ACM_LINE_CODING 0x1 #define USB_CDC_ACM_LINE_CODING 0x1
#define USB_CDC_ACM_LINE_STATE 0x2 #define USB_CDC_ACM_LINE_STATE 0x2
uint8_t uint8_t usb_cdc_acm_get_events(void);
usb_cdc_acm_get_events(void);
#define USB_CDC_ACM_DTE 0x1 #define USB_CDC_ACM_DTE 0x1
#define USB_CDC_ACM_RTS 0x2 #define USB_CDC_ACM_RTS 0x2
uint8_t uint8_t usb_cdc_acm_get_line_state(void);
usb_cdc_acm_get_line_state(void);
const struct usb_cdc_line_coding * const struct usb_cdc_line_coding *usb_cdc_acm_get_line_coding(void);
usb_cdc_acm_get_line_coding(void);
void void usb_cdc_acm_set_event_process(struct process *p);
usb_cdc_acm_set_event_process(struct process *p);
#endif /* __CDC_ACM_H__UFV6K50827__ */ #endif /* __CDC_ACM_H__UFV6K50827__ */