Simple USBHost library for STM32F746NG Discovery board. Only either the Fastspeed or the Highspeed port can be used( not both together)
Dependents: DISCO-F746NG_USB_Host
Fork of KL46Z-USBHost by
Diff: USBHost/USBHALHost.h
- Revision:
- 3:a3872f7593e2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHost/USBHALHost.h Sat Jan 25 12:51:44 2014 +0000 @@ -0,0 +1,86 @@ +// Simple USBHost for FRDM-KL46Z +#pragma once +#include "mbed.h" +#include "USBHostTypes.h" +#include "USBEndpoint.h" + +struct SETUP_PACKET { + uint8_t bmRequestType; + uint8_t bRequest; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; +}; + +#define GET_CONFIGURATION 8 + +// TOK_PID[5:2] +#define DATA0 0x03 +#define DATA1 0x0b +#define ACK 0x02 +#define STALL 0x0e +#define NAK 0x0a +#define Bus_Timeout 0x00 +#define Data_Error 0x0f + +enum ODD_EVEN { + ODD = 0, + EVEN = 1, +}; + +class Report { +public: + void clear(); + void print_errstat(); + // error count + uint32_t errstat_piderr; // USBx_ERRSTAT[PIDERR] + uint32_t errstat_crc5eof;// USBx_ERRSTAT[CRC5EOF] + uint32_t errstat_crc16; // USBx_ERRSTAT[CRC16] + uint32_t errstat_dfn8; // USBx_ERRSTAT[DFN8] + uint32_t errstat_btoerr; // USBx_ERRSTAT[BTOERR] + uint32_t errstat_dmaerr; // USBx_ERRSTAT[DMAERR] + uint32_t errstat_bsterr; // USBx_ERRSTAT[BTSERR] + // + uint32_t nak; +}; + +class Data01 { +public: + void init(); + void set(int txrx, int ep, uint8_t _data01); + void toggle(int txrx, int ep); + uint8_t get(int txrx, int ep); +private: + uint8_t txrx_data01[2][16]; +}; + +class USBHALHost { +public: + uint8_t LastStatus; + uint8_t prev_LastStatus; + Report report; + +protected: + USBHALHost(); + void init(); + virtual bool enumeration() = 0; + bool lowSpeed; + int MaxPacketSize0; + void setAddr(int addr); + void setEndpoint(bool use_retry = false); + void token_transfer_init(); + int token_setup(SETUP_PACKET* setup, uint16_t wLength = 0); + int token_in(uint8_t ep, uint8_t* data = NULL, int size = 0, int retryLimit = 10); + int token_out(uint8_t ep, const uint8_t* data = NULL, int size = 0); + void token_ready(); +private: + static void _usbisr(void); + void UsbIrqhandler(); + __IO bool attach_done; + __IO bool token_done; + void wait_attach(); + Data01 data01; + ODD_EVEN tx_ptr; + ODD_EVEN rx_ptr; + static USBHALHost * instHost; +};