Adem Bayraktar
/
STM32-NRF-SPI_07112016
A
Fork of SPI_Demo_Nano by
main.cpp@3:b4887e2837ab, 2016-11-14 (annotated)
- Committer:
- Adembay
- Date:
- Mon Nov 14 14:23:03 2016 +0000
- Revision:
- 3:b4887e2837ab
- Parent:
- 0:5810870d2b29
M
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
RedBearLab | 0:5810870d2b29 | 1 | #include "mbed.h" |
RedBearLab | 0:5810870d2b29 | 2 | #include "spi_master.h" |
Adembay | 3:b4887e2837ab | 3 | //# SCK P0_25 |
Adembay | 3:b4887e2837ab | 4 | //# MOSI P0_20 |
Adembay | 3:b4887e2837ab | 5 | //# MISO P0_22 |
Adembay | 3:b4887e2837ab | 6 | //# CS P0_7 |
RedBearLab | 0:5810870d2b29 | 7 | DigitalOut spi_cs(P0_7); |
RedBearLab | 0:5810870d2b29 | 8 | SPIClass SPI1(NRF_SPI1); |
RedBearLab | 0:5810870d2b29 | 9 | Serial pc(USBTX, USBRX); |
RedBearLab | 0:5810870d2b29 | 10 | |
Adembay | 3:b4887e2837ab | 11 | uint8_t i,izin=1; |
Adembay | 3:b4887e2837ab | 12 | uint8_t wt_buf[] = "DENEMEE"; |
Adembay | 3:b4887e2837ab | 13 | uint8_t rd_buf[7]; |
Adembay | 3:b4887e2837ab | 14 | uint32_t x=0; |
Adembay | 3:b4887e2837ab | 15 | |
Adembay | 3:b4887e2837ab | 16 | |
Adembay | 3:b4887e2837ab | 17 | uint8_t DATA_1[50]={0x07,0xdd,0xcc,0xee,0x15,0x23,0x56,0x11,0x33}; |
Adembay | 3:b4887e2837ab | 18 | |
Adembay | 3:b4887e2837ab | 19 | |
Adembay | 3:b4887e2837ab | 20 | void WriteBytes(uint16_t addr, uint8_t *pbuf, uint16_t len) |
RedBearLab | 0:5810870d2b29 | 21 | { |
RedBearLab | 0:5810870d2b29 | 22 | uint16_t index; |
RedBearLab | 0:5810870d2b29 | 23 | spi_cs = 0; |
Adembay | 3:b4887e2837ab | 24 | wait_us(20); |
RedBearLab | 0:5810870d2b29 | 25 | for(index=0; index<len; index++) |
RedBearLab | 0:5810870d2b29 | 26 | { |
RedBearLab | 0:5810870d2b29 | 27 | SPI1.transfer(*pbuf); |
RedBearLab | 0:5810870d2b29 | 28 | pbuf++; |
RedBearLab | 0:5810870d2b29 | 29 | } |
RedBearLab | 0:5810870d2b29 | 30 | |
Adembay | 3:b4887e2837ab | 31 | wait_us(20); |
RedBearLab | 0:5810870d2b29 | 32 | spi_cs = 1; |
RedBearLab | 0:5810870d2b29 | 33 | } |
RedBearLab | 0:5810870d2b29 | 34 | |
Adembay | 3:b4887e2837ab | 35 | void ReadBytes(uint16_t addr, uint8_t *pbuf, uint16_t len) |
RedBearLab | 0:5810870d2b29 | 36 | { |
RedBearLab | 0:5810870d2b29 | 37 | uint16_t index; |
RedBearLab | 0:5810870d2b29 | 38 | |
RedBearLab | 0:5810870d2b29 | 39 | spi_cs = 0; |
Adembay | 3:b4887e2837ab | 40 | wait_us(5); |
RedBearLab | 0:5810870d2b29 | 41 | for(index=0; index<len; index++) |
RedBearLab | 0:5810870d2b29 | 42 | { |
RedBearLab | 0:5810870d2b29 | 43 | *pbuf = SPI1.transfer(0x00); |
RedBearLab | 0:5810870d2b29 | 44 | pbuf++; |
RedBearLab | 0:5810870d2b29 | 45 | } |
RedBearLab | 0:5810870d2b29 | 46 | spi_cs = 1; |
RedBearLab | 0:5810870d2b29 | 47 | } |
RedBearLab | 0:5810870d2b29 | 48 | |
RedBearLab | 0:5810870d2b29 | 49 | int main(void) |
RedBearLab | 0:5810870d2b29 | 50 | { |
RedBearLab | 0:5810870d2b29 | 51 | pc.baud(9600); |
Adembay | 3:b4887e2837ab | 52 | SPI1.begin(); //SPI1.begin(P0_6, P0_15, P0_29);//SCK, MOSI, MOSI |
Adembay | 3:b4887e2837ab | 53 | pc.printf("SPI Demo Start\r\n"); |
RedBearLab | 0:5810870d2b29 | 54 | while(1) |
RedBearLab | 0:5810870d2b29 | 55 | { |
Adembay | 3:b4887e2837ab | 56 | |
Adembay | 3:b4887e2837ab | 57 | WriteBytes(0, DATA_1, sizeof(DATA_1)); |
Adembay | 3:b4887e2837ab | 58 | for(i=0; i<sizeof(DATA_1); i++) |
Adembay | 3:b4887e2837ab | 59 | { |
Adembay | 3:b4887e2837ab | 60 | pc.printf("%02x",DATA_1[i]); |
Adembay | 3:b4887e2837ab | 61 | } |
Adembay | 3:b4887e2837ab | 62 | pc.printf(" %d \r\n",x); |
Adembay | 3:b4887e2837ab | 63 | |
Adembay | 3:b4887e2837ab | 64 | |
RedBearLab | 0:5810870d2b29 | 65 | wait(1); |
Adembay | 3:b4887e2837ab | 66 | |
Adembay | 3:b4887e2837ab | 67 | |
RedBearLab | 0:5810870d2b29 | 68 | } |
Adembay | 3:b4887e2837ab | 69 | } |