Yuta Kitagami
/
EtherCAT_Nucleo_F401
EtherCAT Slave Library (LAN9252) https://www.switch-science.com/catalog/6659/
LAN9252.cpp@0:3516fed95f0b, 2021-01-18 (annotated)
- Committer:
- nonNoise
- Date:
- Mon Jan 18 03:46:20 2021 +0000
- Revision:
- 0:3516fed95f0b
EtherCAT-Slave-Lib (LAN9252); Ver1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nonNoise | 0:3516fed95f0b | 1 | |
nonNoise | 0:3516fed95f0b | 2 | #include "LAN9252.h" |
nonNoise | 0:3516fed95f0b | 3 | #include "LAN925X_SPI.h" |
nonNoise | 0:3516fed95f0b | 4 | #include <stdint.h> |
nonNoise | 0:3516fed95f0b | 5 | |
nonNoise | 0:3516fed95f0b | 6 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 7 | // LAN9252 RESET |
nonNoise | 0:3516fed95f0b | 8 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 9 | void LAN9252_RESET(void) |
nonNoise | 0:3516fed95f0b | 10 | { |
nonNoise | 0:3516fed95f0b | 11 | uint32_t rdata; |
nonNoise | 0:3516fed95f0b | 12 | uint32_t wdata; |
nonNoise | 0:3516fed95f0b | 13 | uint32_t addr; |
nonNoise | 0:3516fed95f0b | 14 | |
nonNoise | 0:3516fed95f0b | 15 | addr = RESET_CTL; |
nonNoise | 0:3516fed95f0b | 16 | LAN925X_SPI_WRITE(addr,ETHERCAT_RST); |
nonNoise | 0:3516fed95f0b | 17 | addr = BYTE_TEST; |
nonNoise | 0:3516fed95f0b | 18 | rdata = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 19 | while(rdata!=0x87654321) |
nonNoise | 0:3516fed95f0b | 20 | { |
nonNoise | 0:3516fed95f0b | 21 | addr = BYTE_TEST; |
nonNoise | 0:3516fed95f0b | 22 | rdata = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 23 | } |
nonNoise | 0:3516fed95f0b | 24 | } |
nonNoise | 0:3516fed95f0b | 25 | |
nonNoise | 0:3516fed95f0b | 26 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 27 | // LAN9252 EtherCAT CSR WRITE |
nonNoise | 0:3516fed95f0b | 28 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 29 | void LAN9252_EtherCAT_CSR_WRITE(uint8_t CSR_SIZE,uint16_t CSR_ADDR,uint32_t CSR_DATA) |
nonNoise | 0:3516fed95f0b | 30 | { |
nonNoise | 0:3516fed95f0b | 31 | |
nonNoise | 0:3516fed95f0b | 32 | uint32_t rdata; |
nonNoise | 0:3516fed95f0b | 33 | uint32_t wdata; |
nonNoise | 0:3516fed95f0b | 34 | uint16_t addr; |
nonNoise | 0:3516fed95f0b | 35 | addr = ECAT_CSR_DATA; |
nonNoise | 0:3516fed95f0b | 36 | wdata = CSR_DATA; |
nonNoise | 0:3516fed95f0b | 37 | LAN925X_SPI_WRITE(addr,wdata); |
nonNoise | 0:3516fed95f0b | 38 | |
nonNoise | 0:3516fed95f0b | 39 | addr = ECAT_CSR_CMD; |
nonNoise | 0:3516fed95f0b | 40 | wdata = (uint32_t)CSR_BUSY | (uint32_t)0<<30 | (uint32_t)CSR_SIZE<<16 | (uint32_t)CSR_ADDR; //Write |
nonNoise | 0:3516fed95f0b | 41 | LAN925X_SPI_WRITE(addr,wdata); |
nonNoise | 0:3516fed95f0b | 42 | |
nonNoise | 0:3516fed95f0b | 43 | addr = ECAT_CSR_CMD; |
nonNoise | 0:3516fed95f0b | 44 | rdata = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 45 | while(CSR_BUSY&rdata) |
nonNoise | 0:3516fed95f0b | 46 | { |
nonNoise | 0:3516fed95f0b | 47 | addr = ECAT_CSR_CMD; |
nonNoise | 0:3516fed95f0b | 48 | rdata = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 49 | } |
nonNoise | 0:3516fed95f0b | 50 | |
nonNoise | 0:3516fed95f0b | 51 | } |
nonNoise | 0:3516fed95f0b | 52 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 53 | // LAN9252 EtherCAT CSR READ |
nonNoise | 0:3516fed95f0b | 54 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 55 | uint32_t LAN9252_EtherCAT_CSR_READ(uint8_t CSR_SIZE,uint16_t CSR_ADDR) |
nonNoise | 0:3516fed95f0b | 56 | { |
nonNoise | 0:3516fed95f0b | 57 | |
nonNoise | 0:3516fed95f0b | 58 | uint32_t rdata; |
nonNoise | 0:3516fed95f0b | 59 | uint32_t wdata; |
nonNoise | 0:3516fed95f0b | 60 | uint16_t addr; |
nonNoise | 0:3516fed95f0b | 61 | addr = ECAT_CSR_CMD; |
nonNoise | 0:3516fed95f0b | 62 | wdata = (uint32_t)CSR_BUSY | (uint32_t)1<<30 | (uint32_t)CSR_SIZE<<16 | (uint32_t)CSR_ADDR; //Read |
nonNoise | 0:3516fed95f0b | 63 | LAN925X_SPI_WRITE(addr,wdata); |
nonNoise | 0:3516fed95f0b | 64 | |
nonNoise | 0:3516fed95f0b | 65 | addr = ECAT_CSR_CMD; |
nonNoise | 0:3516fed95f0b | 66 | rdata = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 67 | while(CSR_BUSY&rdata) |
nonNoise | 0:3516fed95f0b | 68 | { |
nonNoise | 0:3516fed95f0b | 69 | addr = ECAT_CSR_CMD; |
nonNoise | 0:3516fed95f0b | 70 | rdata = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 71 | } |
nonNoise | 0:3516fed95f0b | 72 | addr = ECAT_CSR_DATA; |
nonNoise | 0:3516fed95f0b | 73 | rdata = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 74 | return rdata; |
nonNoise | 0:3516fed95f0b | 75 | } |
nonNoise | 0:3516fed95f0b | 76 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 77 | // LAN9252 EtherCAT Prossec RAM Read |
nonNoise | 0:3516fed95f0b | 78 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 79 | uint32_t LAN9252_EtherCAT_PRAM_READ(uint16_t PRAM_READ_LEN,uint16_t PRAM_READ_ADDR) |
nonNoise | 0:3516fed95f0b | 80 | { |
nonNoise | 0:3516fed95f0b | 81 | uint32_t rdata; |
nonNoise | 0:3516fed95f0b | 82 | uint32_t wdata; |
nonNoise | 0:3516fed95f0b | 83 | uint32_t tmp; |
nonNoise | 0:3516fed95f0b | 84 | uint16_t addr; |
nonNoise | 0:3516fed95f0b | 85 | |
nonNoise | 0:3516fed95f0b | 86 | addr = ECAT_PRAM_RD_ADDR_LEN; |
nonNoise | 0:3516fed95f0b | 87 | wdata = (uint32_t)PRAM_READ_LEN<<16 | (uint32_t)PRAM_READ_ADDR; |
nonNoise | 0:3516fed95f0b | 88 | LAN925X_SPI_WRITE(addr,wdata); |
nonNoise | 0:3516fed95f0b | 89 | |
nonNoise | 0:3516fed95f0b | 90 | addr = ECAT_PRAM_RD_CMD; |
nonNoise | 0:3516fed95f0b | 91 | wdata = PRAM_READ_BUSY ; |
nonNoise | 0:3516fed95f0b | 92 | LAN925X_SPI_WRITE(addr,wdata); |
nonNoise | 0:3516fed95f0b | 93 | |
nonNoise | 0:3516fed95f0b | 94 | addr = ECAT_PRAM_RD_DATA; |
nonNoise | 0:3516fed95f0b | 95 | rdata = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 96 | |
nonNoise | 0:3516fed95f0b | 97 | addr = ECAT_PRAM_RD_CMD; |
nonNoise | 0:3516fed95f0b | 98 | tmp = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 99 | while(PRAM_READ_BUSY&tmp) |
nonNoise | 0:3516fed95f0b | 100 | { |
nonNoise | 0:3516fed95f0b | 101 | addr = ECAT_PRAM_RD_CMD; |
nonNoise | 0:3516fed95f0b | 102 | tmp = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 103 | } |
nonNoise | 0:3516fed95f0b | 104 | return rdata; |
nonNoise | 0:3516fed95f0b | 105 | } |
nonNoise | 0:3516fed95f0b | 106 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 107 | // LAN9252 EtherCAT Prossec RAM Read |
nonNoise | 0:3516fed95f0b | 108 | //=============================================================================// |
nonNoise | 0:3516fed95f0b | 109 | void LAN9252_EtherCAT_PRAM_WRITE(uint16_t PRAM_WRITE_LEN,uint16_t PRAM_WRITE_ADDR, uint32_t PRAM_WR_DATA) |
nonNoise | 0:3516fed95f0b | 110 | { |
nonNoise | 0:3516fed95f0b | 111 | uint32_t rdata; |
nonNoise | 0:3516fed95f0b | 112 | uint32_t wdata; |
nonNoise | 0:3516fed95f0b | 113 | uint32_t tmp; |
nonNoise | 0:3516fed95f0b | 114 | uint16_t addr; |
nonNoise | 0:3516fed95f0b | 115 | |
nonNoise | 0:3516fed95f0b | 116 | |
nonNoise | 0:3516fed95f0b | 117 | addr = ECAT_PRAM_WR_DATA; |
nonNoise | 0:3516fed95f0b | 118 | wdata = PRAM_WR_DATA; |
nonNoise | 0:3516fed95f0b | 119 | LAN925X_SPI_WRITE(addr,wdata); |
nonNoise | 0:3516fed95f0b | 120 | |
nonNoise | 0:3516fed95f0b | 121 | addr = ECAT_PRAM_WR_ADDR_LEN; |
nonNoise | 0:3516fed95f0b | 122 | wdata = (uint32_t)PRAM_WRITE_LEN<<16 | (uint32_t)PRAM_WRITE_ADDR; |
nonNoise | 0:3516fed95f0b | 123 | LAN925X_SPI_WRITE(addr,wdata); |
nonNoise | 0:3516fed95f0b | 124 | |
nonNoise | 0:3516fed95f0b | 125 | addr = ECAT_PRAM_WR_CMD; |
nonNoise | 0:3516fed95f0b | 126 | wdata = PRAM_WRITE_BUSY ; |
nonNoise | 0:3516fed95f0b | 127 | LAN925X_SPI_WRITE(addr,wdata); |
nonNoise | 0:3516fed95f0b | 128 | |
nonNoise | 0:3516fed95f0b | 129 | addr = ECAT_PRAM_WR_CMD; |
nonNoise | 0:3516fed95f0b | 130 | tmp = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 131 | while(PRAM_WRITE_BUSY&tmp) |
nonNoise | 0:3516fed95f0b | 132 | { |
nonNoise | 0:3516fed95f0b | 133 | addr = ECAT_PRAM_WR_CMD; |
nonNoise | 0:3516fed95f0b | 134 | tmp = LAN925X_SPI_READ(addr); |
nonNoise | 0:3516fed95f0b | 135 | } |
nonNoise | 0:3516fed95f0b | 136 | } |
nonNoise | 0:3516fed95f0b | 137 |