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-rw-r--r--libmaple/usb/descriptors.c73
-rw-r--r--libmaple/usb/descriptors.h2
-rw-r--r--libmaple/usb/usb.c27
-rw-r--r--libmaple/usb/usb.h4
-rw-r--r--libmaple/usb/usb_callbacks.c2
-rw-r--r--libmaple/usb/usb_config.h77
-rw-r--r--libmaple/usb/usb_hardware.c41
-rw-r--r--libmaple/usb/usb_hardware.h36
-rw-r--r--libmaple/usb/usb_lib/usb_mem.c4
-rw-r--r--libmaple/usb/usb_lib/usb_mem.h2
10 files changed, 137 insertions, 131 deletions
diff --git a/libmaple/usb/descriptors.c b/libmaple/usb/descriptors.c
index 360e6dd..8dd9521 100644
--- a/libmaple/usb/descriptors.c
+++ b/libmaple/usb/descriptors.c
@@ -150,43 +150,50 @@ const USB_Descriptor_Config usbVcomDescriptor_Config = {
// }
};
-/*
- String Identifiers:
+/*****************************************************************************
+ *****************************************************************************
+ ***
+ *** FIXME FIXME FIXME NOT THE RIGHT THING! MOVE ALL THIS INTO TO WIRISH!
+ ***
+ *****************************************************************************
+ *****************************************************************************/
- we may choose to specify any or none of the following string
- identifiers:
+const uint8 usbVcomDescriptor_LangID[USB_DESCRIPTOR_STRING_LEN(1)] = {
+ USB_DESCRIPTOR_STRING_LEN(1),
+ USB_DESCRIPTOR_TYPE_STRING,
+ 0x09,
+ 0x04
+};
- iManufacturer: LeafLabs
- iProduct: Maple R3
- iSerialNumber: NONE
- iConfiguration: NONE
- iInterface(CCI): NONE
- iInterface(DCI): NONE
+const uint8 usbVcomDescriptor_iManufacturer[USB_DESCRIPTOR_STRING_LEN(8)] = {
+ USB_DESCRIPTOR_STRING_LEN(8),
+ USB_DESCRIPTOR_TYPE_STRING,
+ 'L', 0, 'e', 0, 'a', 0, 'f', 0,
+ 'L', 0, 'a', 0, 'b', 0, 's', 0
+};
- additionally we must provide the unicode language identifier,
- which is 0x0409 for US English
-*/
+/*
+ String Identifiers:
-const uint8 usbVcomDescriptor_LangID[USB_DESCRIPTOR_STRING_LEN(1)] =
-{
- USB_DESCRIPTOR_STRING_LEN(1),
- USB_DESCRIPTOR_TYPE_STRING,
- 0x09,
- 0x04
-};
+ we may choose to specify any or none of the following string
+ identifiers:
-const uint8 usbVcomDescriptor_iManufacturer[USB_DESCRIPTOR_STRING_LEN(8)] =
-{
- USB_DESCRIPTOR_STRING_LEN(8),
- USB_DESCRIPTOR_TYPE_STRING,
- 'L', 0, 'e', 0, 'a', 0, 'f', 0,
- 'L', 0, 'a', 0, 'b', 0, 's', 0
-};
+ iManufacturer: LeafLabs
+ iProduct: Maple R3
+ iSerialNumber: NONE
+ iConfiguration: NONE
+ iInterface(CCI): NONE
+ iInterface(DCI): NONE
-const uint8 usbVcomDescriptor_iProduct[USB_DESCRIPTOR_STRING_LEN(8)] =
-{
- USB_DESCRIPTOR_STRING_LEN(8),
- USB_DESCRIPTOR_TYPE_STRING,
- 'M', 0, 'a', 0, 'p', 0, 'l', 0,
- 'e', 0, ' ', 0, 'R', 0, '3', 0
+ additionally we must provide the unicode language identifier,
+ which is 0x0409 for US English
+*/
+const uint8 usbVcomDescriptor_iProduct[USB_DESCRIPTOR_STRING_LEN(8)] = {
+ USB_DESCRIPTOR_STRING_LEN(8),
+ USB_DESCRIPTOR_TYPE_STRING,
+ 'M', 0, 'a', 0, 'p', 0, 'l', 0,
+ 'e', 0, ' ', 0, ' ', 0, ' ', 0
};
+
+/*****************************************************************************
+ *****************************************************************************/
diff --git a/libmaple/usb/descriptors.h b/libmaple/usb/descriptors.h
index 6f7d08b..460a88c 100644
--- a/libmaple/usb/descriptors.h
+++ b/libmaple/usb/descriptors.h
@@ -61,7 +61,7 @@ extern "C" {
uint16 bString[len]; \
}
-#define CDC_FUCNTIONAL_DESCRIPTOR(DataSize) \
+#define CDC_FUNCTIONAL_DESCRIPTOR(DataSize) \
struct \
{ \
uint8 bLength; \
diff --git a/libmaple/usb/usb.c b/libmaple/usb/usb.c
index d875785..b34c4b6 100644
--- a/libmaple/usb/usb.c
+++ b/libmaple/usb/usb.c
@@ -35,6 +35,7 @@
#include "usb_lib.h"
#include "gpio.h"
#include "usb_hardware.h"
+#include "delay.h"
#include "usb_config.h"
#include "usb_callbacks.h"
@@ -44,7 +45,7 @@
volatile uint32 bDeviceState = UNCONNECTED;
volatile uint16 wIstr = 0;
-volatile bIntPackSOF = 0;
+volatile uint32 bIntPackSOF = 0;
DEVICE Device_Table =
{NUM_ENDPTS,
@@ -99,15 +100,13 @@ struct {
} ResumeS;
void setupUSB (void) {
- gpio_set_mode(USB_DISC_BANK,
- USB_DISC_PIN,
- GPIO_MODE_OUTPUT_PP);
+ gpio_set_mode(USB_DISC_DEV, USB_DISC_PIN, GPIO_OUTPUT_PP);
/* setup the apb1 clock for USB */
pRCC->APB1ENR |= 0x00800000;
/* initialize the usb application */
- gpio_write_bit(USB_DISC_BANK, USB_DISC_PIN, 0); // presents us to the host
+ gpio_write_bit(USB_DISC_DEV, USB_DISC_PIN, 0); // presents us to the host
USB_Init(); // low level init routine provided by the ST library
}
@@ -115,7 +114,7 @@ void disableUSB (void) {
// These are just guesses about how to do this
// TODO: real disable function
usbDsbISR();
- gpio_write_bit(USB_DISC_BANK,USB_DISC_PIN,1);
+ gpio_write_bit(USB_DISC_DEV, USB_DISC_PIN, 1);
}
void usbSuspend(void) {
@@ -241,7 +240,7 @@ void usbDsbISR(void) {
}
/* overloaded ISR routine, this is the main usb ISR */
-void usb_lpIRQHandler(void) {
+void __irq_usb_lp_can_rx0(void) {
wIstr = _GetISTR();
/* go nuts with the preproc switches since this is an ISTR and must be FAST */
@@ -321,7 +320,7 @@ if (wIstr & ISTR_CTR & wInterrupt_Mask) {
}
void usbWaitReset(void) {
- delay(RESET_DELAY);
+ delay_us(RESET_DELAY);
systemHardReset();
}
@@ -344,23 +343,21 @@ void usbBlockingSendByte(char ch) {
countTx = 1;
while (countTx);
}
-uint32 usbSendBytes(uint8* sendBuf, uint32 len) {
- /* any checks on connection (via dtr/rts) done upstream in wirish or
- by user */
- /* last xmit hasnt finished, abort */
+uint32 usbSendBytes(const uint8* sendBuf, uint32 len) {
+ /* Last transmission hasn't finished, abort */
if (countTx) {
return 0;
}
// We can only put VCOM_TX_EPSIZE bytes in the buffer
- if(len > VCOM_TX_EPSIZE/2) {
- len = VCOM_TX_EPSIZE/2;
+ if (len > VCOM_TX_EPSIZE / 2) {
+ len = VCOM_TX_EPSIZE / 2;
}
// Try to load some bytes if we can
if (len) {
- UserToPMABufferCopy(sendBuf,VCOM_TX_ADDR, len);
+ UserToPMABufferCopy(sendBuf, VCOM_TX_ADDR, len);
_SetEPTxCount(VCOM_TX_ENDP, len);
countTx += len;
_SetEPTxValid(VCOM_TX_ENDP);
diff --git a/libmaple/usb/usb.h b/libmaple/usb/usb.h
index 0ed02e5..c724c54 100644
--- a/libmaple/usb/usb.h
+++ b/libmaple/usb/usb.h
@@ -69,12 +69,12 @@ void usbDsbISR(void);
void usbEnbISR(void);
/* overloaded ISR routine, this is the main usb ISR */
-void usb_lpIRQHandler(void);
+void __irq_usb_lp_can_rx0(void);
void usbWaitReset(void);
/* blocking functions for send/receive */
void usbBlockingSendByte(char ch);
-uint32 usbSendBytes(uint8* sendBuf,uint32 len);
+uint32 usbSendBytes(const uint8* sendBuf,uint32 len);
uint32 usbBytesAvailable(void);
uint32 usbReceiveBytes(uint8* recvBuf, uint32 len);
uint8 usbGetDTR(void);
diff --git a/libmaple/usb/usb_callbacks.c b/libmaple/usb/usb_callbacks.c
index ccb0fdd..8184537 100644
--- a/libmaple/usb/usb_callbacks.c
+++ b/libmaple/usb/usb_callbacks.c
@@ -129,7 +129,7 @@ u8* vcomGetSetLineCoding(uint16 length) {
return (uint8*)&line_coding;
}
-vcomSetLineState(void) {
+void vcomSetLineState(void) {
}
void usbInit(void) {
diff --git a/libmaple/usb/usb_config.h b/libmaple/usb/usb_config.h
index e5f3979..23b49ee 100644
--- a/libmaple/usb/usb_config.h
+++ b/libmaple/usb/usb_config.h
@@ -4,6 +4,68 @@
#define __USB_CONFIG_H
#include "usb_lib.h"
+#include "gpio.h"
+
+/******************************************************************************
+ ******************************************************************************
+ ***
+ *** HACK ALERT
+ ***
+ *** FIXME FIXME FIXME FIXME
+ ***
+ *** A bunch of board-specific #defines that are only used by the
+ *** USB routines got put into libmaple.h for what appear to be
+ *** historical reasons. I'm [mbolivar] putting them in here for
+ *** now, so that we can treat the usb/ directory as a black box,
+ *** freeing the rest of libmaple/ to be implemented as a
+ *** general-purpose STM32 library. All of this REALLY needs to get
+ *** moved into wirish when we get a chance to redo the USB stack.
+ ***
+ ******************************************************************************
+ *****************************************************************************/
+
+#define VCOM_ID_VENDOR 0x1EAF
+#define RESET_DELAY (100000)
+#define USB_CONFIG_MAX_POWER (100 >> 1)
+
+#if defined(BOARD_maple) || defined(BOARD_maple_RET6)
+
+ /* USB Identifier numbers */
+ #define VCOM_ID_PRODUCT 0x0004
+ #define USB_DISC_DEV GPIOC
+ #define USB_DISC_PIN 12
+
+#elif defined(BOARD_maple_mini)
+
+ #define VCOM_ID_PRODUCT 0x0004
+ #define USB_DISC_DEV GPIOB
+ #define USB_DISC_PIN 9
+
+#elif defined(BOARD_maple_native)
+
+ #define VCOM_ID_PRODUCT 0x0004
+ #define USB_DISC_DEV GPIOB
+ #define USB_DISC_PIN 8
+
+#else
+
+#error ("Sorry! the USB stack relies on LeafLabs board-specific " \
+ "configuration right now. If you want, you can pretend you're one " \
+ "of our boards; i.e., #define BOARD_maple, BOARD_maple_mini, or " \
+ "BOARD_maple_native according to what matches your MCU best. " \
+ "You should also take a look at libmaple/usb/descriptors.c; we make " \
+ "some assumptions there that you probably won't like.")
+
+#endif
+
+/******************************************************************************
+ ******************************************************************************
+ ***
+ *** END HACK
+ ***
+ ******************************************************************************
+ *****************************************************************************/
+
/* choose addresses to give endpoints the max 64 byte buffers */
#define USB_BTABLE_ADDRESS 0x00
@@ -33,14 +95,15 @@
#define NUM_ENDPTS 0x04
/* handle all usb interrupts */
-#define ISR_MSK ( CNTR_CTRM | \
- CNTR_WKUPM | \
- CNTR_SUSPM | \
- CNTR_ERRM | \
- CNTR_SOFM | \
- CNTR_ESOFM | \
- CNTR_RESETM )
+#define ISR_MSK (CNTR_CTRM | \
+ CNTR_WKUPM | \
+ CNTR_SUSPM | \
+ CNTR_ERRM | \
+ CNTR_SOFM | \
+ CNTR_ESOFM | \
+ CNTR_RESETM)
#define F_SUSPEND_ENABLED 1
+
#endif
diff --git a/libmaple/usb/usb_hardware.c b/libmaple/usb/usb_hardware.c
index 505dcf1..9a7d12c 100644
--- a/libmaple/usb/usb_hardware.c
+++ b/libmaple/usb/usb_hardware.c
@@ -33,47 +33,6 @@
#include "usb_hardware.h"
-void setPin(u32 bank, u8 pin) {
- u32 pinMask = 0x1 << (pin);
- SET_REG(GPIO_BSRR(bank),pinMask);
-}
-
-void resetPin(u32 bank, u8 pin) {
- u32 pinMask = 0x1 << (16+pin);
- SET_REG(GPIO_BSRR(bank),pinMask);
-}
-
-void systemReset(void) {
- SET_REG(RCC_CR, GET_REG(RCC_CR) | 0x00000001);
- SET_REG(RCC_CFGR, GET_REG(RCC_CFGR) & 0xF8FF0000);
- SET_REG(RCC_CR, GET_REG(RCC_CR) & 0xFEF6FFFF);
- SET_REG(RCC_CR, GET_REG(RCC_CR) & 0xFFFBFFFF);
- SET_REG(RCC_CFGR, GET_REG(RCC_CFGR) & 0xFF80FFFF);
-
- SET_REG(RCC_CIR, 0x00000000); // disable all RCC interrupts
-}
-
-void setupCLK (void) {
- /* enable HSE */
- SET_REG(RCC_CR,GET_REG(RCC_CR) | 0x00010001);
- /* for it to come on */
- while ((GET_REG(RCC_CR) & 0x00020000) == 0);
-
- /* Configure PLL */
- /* pll=72Mhz,APB1=36Mhz,AHB=72Mhz */
- SET_REG(RCC_CFGR,GET_REG(RCC_CFGR) | 0x001D0400);
- /* enable the pll */
- SET_REG(RCC_CR,GET_REG(RCC_CR) | 0x01000000);
- /* wait for it to come on */
- while ((GET_REG(RCC_CR) & 0x03000000) == 0);
-
- /* Set SYSCLK as PLL */
- SET_REG(RCC_CFGR,GET_REG(RCC_CFGR) | 0x00000002);
- /* wait for it to come on */
- while ((GET_REG(RCC_CFGR) & 0x00000008) == 0);
-}
-
-
void nvicInit(NVIC_InitTypeDef* NVIC_InitStruct) {
u32 tmppriority = 0x00;
u32 tmpreg = 0x00;
diff --git a/libmaple/usb/usb_hardware.h b/libmaple/usb/usb_hardware.h
index e4a26b4..cfead1a 100644
--- a/libmaple/usb/usb_hardware.h
+++ b/libmaple/usb/usb_hardware.h
@@ -22,34 +22,20 @@
* THE SOFTWARE.
* ****************************************************************************/
-#ifndef __HARDWARE_H
-#define __HARDWARE_H
-
+#include "rcc.h"
#include "usb_type.h"
+#ifndef _USB_HARDWARE_H_
+#define _USB_HARDWARE_H_
+
/* macro'd register and peripheral definitions */
#define EXC_RETURN 0xFFFFFFF9
#define DEFAULT_CPSR 0x61000000
-#define RCC ((u32)0x40021000)
#define FLASH ((u32)0x40022000)
-#define GPIOA ((u32)0x40010800)
-#define GPIOC ((u32)0x40011000)
#define USB_PACKET_BUFFER ((u32)0x40006000)
-#define RCC_CR RCC
-#define RCC_CFGR RCC + 0x04
-#define RCC_CIR RCC + 0x08
-#define RCC_AHBENR RCC + 0x14
-#define RCC_APB2ENR RCC + 0x18
-#define RCC_APB1ENR RCC + 0x16
-
-#define GPIO_CRL(port) port
-#define GPIO_CRH(port) port+0x04
-#define GPIO_ODR(port) port+0x0c
-#define GPIO_BSRR(port) port+0x10
-
#define SCS_BASE ((u32)0xE000E000)
#define NVIC_BASE (SCS_BASE + 0x0100)
#define SCB_BASE (SCS_BASE + 0x0D00)
@@ -74,9 +60,8 @@
#define __PSC(__TIMCLK, __PERIOD) (((__VAL(__TIMCLK, __PERIOD)+49999UL)/50000UL) - 1)
#define __ARR(__TIMCLK, __PERIOD) ((__VAL(__TIMCLK, __PERIOD)/(__PSC(__TIMCLK, __PERIOD)+1)) - 1)
-/* todo, wrap in do whiles for the natural ; */
-#define SET_REG(addr,val) *(vu32*)(addr)=val
-#define GET_REG(addr) *(vu32*)(addr)
+#define SET_REG(addr,val) do { *(vu32*)(addr)=val; } while (0)
+#define GET_REG(addr) do { *(vu32*)(addr); } while (0)
#if defined(__cplusplus)
extern "C" {
@@ -85,7 +70,7 @@ extern "C" {
/* todo: there must be some major misunderstanding in how we access regs. The direct access approach (GET_REG)
causes the usb init to fail upon trying to activate RCC_APB1 |= 0x00800000. However, using the struct approach
from ST, it works fine...temporarily switching to that approach */
-typedef struct
+typedef struct
{
vu32 CR;
vu32 CFGR;
@@ -98,7 +83,7 @@ typedef struct
vu32 BDCR;
vu32 CSR;
} RCC_RegStruct;
-#define pRCC ((RCC_RegStruct *) RCC)
+#define pRCC ((RCC_RegStruct *) RCC_BASE)
typedef struct {
vu32 ISER[2];
@@ -139,12 +124,7 @@ typedef struct {
} SCB_TypeDef;
-void setPin (u32 bank, u8 pin);
-void resetPin (u32 bank, u8 pin);
-
void systemHardReset(void);
-void systemReset (void);
-void setupCLK (void);
void nvicInit (NVIC_InitTypeDef*);
void nvicDisableInterrupts(void);
diff --git a/libmaple/usb/usb_lib/usb_mem.c b/libmaple/usb/usb_lib/usb_mem.c
index ee698c5..90ffc62 100644
--- a/libmaple/usb/usb_lib/usb_mem.c
+++ b/libmaple/usb/usb_lib/usb_mem.c
@@ -30,9 +30,9 @@
* - wPMABufAddr: address into PMA.
* - wNBytes: no. of bytes to be copied.
* Output : None.
-* Return : None .
+* Return : None .
*******************************************************************************/
-void UserToPMABufferCopy(u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes)
+void UserToPMABufferCopy(const u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes)
{
u32 n = (wNBytes + 1) >> 1; /* n = (wNBytes + 1) / 2 */
u32 i, temp1, temp2;
diff --git a/libmaple/usb/usb_lib/usb_mem.h b/libmaple/usb/usb_lib/usb_mem.h
index a3d7927..60ff9f1 100644
--- a/libmaple/usb/usb_lib/usb_mem.h
+++ b/libmaple/usb/usb_lib/usb_mem.h
@@ -26,7 +26,7 @@
extern "C" {
#endif
-void UserToPMABufferCopy(u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes);
+void UserToPMABufferCopy(const u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes);
void PMAToUserBufferCopy(u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes);
#if defined(__cplusplus)