semihost server example program
Dependencies: SWD mbed USBLocalFileSystem BaseDAP USBDAP
LPCXpresso LPC11U68 | LPCXpresso LPC1549 | FRDM-KL46Z | EA LPC4088 QSB app-board | LPC1768 app-board | LPC810 | LPC1114FN28 | |
---|---|---|---|---|---|---|---|
server | server | server | server | server | client | client | |
SWDIO | D12 | D12 | D12 | p25 | p21 | p4(P0_2) | p12 |
SWCLK | D10 | D10 | D10 | p26 | p22 | p3(P0_3) | p3 |
nRESET *option | D6 | D6 | D6 | p34 | p30 | p1(P0_5) | p23 |
GND | GND | GND | GND | p1 | p1 | p7 | p22 |
3.3V | P3V3 | P3V3 | P3V3 | p44 | p40 | p6 | p21 |
flash write | SW2(P0_1) | SW3(P1_9) | SW1 | p14 joystick center | p14 joystick center |
client example:
Import programlpc810-semihost_helloworld
semihost client example program
Semihost.h@18:5ed1759e863b, 2014-06-22 (annotated)
- Committer:
- va009039
- Date:
- Sun Jun 22 12:04:16 2014 +0000
- Revision:
- 18:5ed1759e863b
- Parent:
- 17:4e1205ce031f
add LPC11U68 interface.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 17:4e1205ce031f | 1 | // Semihost.h 2014/5/3 |
va009039 | 1:eb30547ba84d | 2 | #pragma once |
va009039 | 1:eb30547ba84d | 3 | #include "Target2.h" |
va009039 | 17:4e1205ce031f | 4 | #include "USBLocalFileSystem.h" |
va009039 | 1:eb30547ba84d | 5 | #include "mydebug.h" |
va009039 | 1:eb30547ba84d | 6 | |
va009039 | 5:2774358f5e4f | 7 | /** Semihosting |
va009039 | 5:2774358f5e4f | 8 | */ |
va009039 | 1:eb30547ba84d | 9 | class Semihost { |
va009039 | 1:eb30547ba84d | 10 | public: |
va009039 | 17:4e1205ce031f | 11 | Semihost(Target2* target, Serial* usbpc, USBLocalFileSystem* usb); |
va009039 | 1:eb30547ba84d | 12 | void mount(const char* dirpath); |
va009039 | 1:eb30547ba84d | 13 | int poll(); |
va009039 | 2:32e9437348ad | 14 | enum Reason { |
va009039 | 2:32e9437348ad | 15 | SYS_NONE = 0, |
va009039 | 2:32e9437348ad | 16 | SYS_EXIT = 0x18, |
va009039 | 2:32e9437348ad | 17 | }; |
va009039 | 9:7e71c20c96e4 | 18 | int readable(); |
va009039 | 9:7e71c20c96e4 | 19 | int getc(); |
va009039 | 9:7e71c20c96e4 | 20 | |
va009039 | 1:eb30547ba84d | 21 | private: |
va009039 | 1:eb30547ba84d | 22 | int exec(uint32_t reason, uint32_t arg); |
va009039 | 1:eb30547ba84d | 23 | |
va009039 | 1:eb30547ba84d | 24 | int sys_open(uint32_t arg); // 0x01 |
va009039 | 1:eb30547ba84d | 25 | int sys_close(uint32_t arg); // 0x02 |
va009039 | 1:eb30547ba84d | 26 | int sys_writec(uint32_t arg); // 0x03 |
va009039 | 1:eb30547ba84d | 27 | int sys_write0(uint32_t arg); // 0x04 |
va009039 | 1:eb30547ba84d | 28 | int sys_write(uint32_t arg); // 0x05 |
va009039 | 1:eb30547ba84d | 29 | int sys_read(uint32_t arg); // 0x06 |
va009039 | 1:eb30547ba84d | 30 | int sys_readc(uint32_t arg); // 0x07 |
va009039 | 1:eb30547ba84d | 31 | int sys_istty(uint32_t arg); // 0x09 |
va009039 | 1:eb30547ba84d | 32 | int sys_fseek(uint32_t arg); // 0x0a |
va009039 | 1:eb30547ba84d | 33 | int sys_ensure(uint32_t arg); // 0x0b |
va009039 | 1:eb30547ba84d | 34 | int sys_flen(uint32_t arg); // 0x0c |
va009039 | 1:eb30547ba84d | 35 | int sys_remove(uint32_t arg); // 0x0e |
va009039 | 1:eb30547ba84d | 36 | int sys_rename(uint32_t arg); // 0x0f |
va009039 | 1:eb30547ba84d | 37 | int sys_exit(uint32_t arg); // 0x18 |
va009039 | 1:eb30547ba84d | 38 | |
va009039 | 1:eb30547ba84d | 39 | int usr_xffind(uint32_t arg); // 0x100 |
va009039 | 1:eb30547ba84d | 40 | int usr_uid(uint32_t arg); // 0x101 |
va009039 | 1:eb30547ba84d | 41 | int usr_reset(uint32_t arg); // 0x102 |
va009039 | 1:eb30547ba84d | 42 | int usr_vbus(uint32_t arg); // 0x103 |
va009039 | 1:eb30547ba84d | 43 | int usr_powerdown(uint32_t arg); // 0x104 |
va009039 | 1:eb30547ba84d | 44 | int usr_disabledebug(uint32_t arg);// 0x105 |
va009039 | 1:eb30547ba84d | 45 | |
va009039 | 1:eb30547ba84d | 46 | void _build_name(char* buf, int size, uint32_t arg1, uint32_t arg2); |
va009039 | 1:eb30547ba84d | 47 | |
va009039 | 1:eb30547ba84d | 48 | template<typename T> |
va009039 | 1:eb30547ba84d | 49 | void wr(uint32_t addr, T data) { |
va009039 | 1:eb30547ba84d | 50 | TEST_ASSERT(addr <= 0x10001fff); |
va009039 | 1:eb30547ba84d | 51 | for(int i = 0; i < sizeof(T); i++) { |
va009039 | 5:2774358f5e4f | 52 | _target->writeMemory8(addr+i, data); |
va009039 | 5:2774358f5e4f | 53 | data >>= 8; |
va009039 | 1:eb30547ba84d | 54 | } |
va009039 | 1:eb30547ba84d | 55 | } |
va009039 | 1:eb30547ba84d | 56 | |
va009039 | 1:eb30547ba84d | 57 | template<typename T> |
va009039 | 1:eb30547ba84d | 58 | T rd(uint32_t addr) { |
va009039 | 1:eb30547ba84d | 59 | TEST_ASSERT(addr <= 0x10001fff); |
va009039 | 5:2774358f5e4f | 60 | T data = 0; |
va009039 | 5:2774358f5e4f | 61 | for(int i = sizeof(T)-1; i >= 0; i--) { |
va009039 | 5:2774358f5e4f | 62 | data <<= 8; |
va009039 | 5:2774358f5e4f | 63 | data |= _target->readMemory8(addr+i); |
va009039 | 1:eb30547ba84d | 64 | } |
va009039 | 5:2774358f5e4f | 65 | return data; |
va009039 | 1:eb30547ba84d | 66 | } |
va009039 | 1:eb30547ba84d | 67 | |
va009039 | 1:eb30547ba84d | 68 | protected: |
va009039 | 1:eb30547ba84d | 69 | Target2* _target; |
va009039 | 1:eb30547ba84d | 70 | Serial* _pc; |
va009039 | 17:4e1205ce031f | 71 | USBLocalFileSystem* _usb; |
va009039 | 1:eb30547ba84d | 72 | char* _dirpath; |
va009039 | 9:7e71c20c96e4 | 73 | int _writec_buf; |
va009039 | 1:eb30547ba84d | 74 | }; |