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https://github.com/RIOT-OS/RIOT.git
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tests/periph_i2c: Update to new I2C API
This commit is contained in:
MrKevinWeiss
dylad
parent
99b3bb88bd
commit
de1c492f60
@ -25,207 +25,127 @@
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#include "periph/i2c.h"
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#include "shell.h"
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#ifndef GET_I2C_CLK_SPD
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#define GET_I2C_CLK_SPD(x) (-1)
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#endif
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#define BUFSIZE (128U)
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static int i2c_dev = -1;
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static i2c_speed_t map_speed[] = {
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I2C_SPEED_LOW,
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I2C_SPEED_NORMAL,
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I2C_SPEED_FAST,
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I2C_SPEED_FAST_PLUS,
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I2C_SPEED_HIGH
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};
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int cmd_init_master(int argc, char **argv)
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int cmd_i2c_assign_dev(int argc, char **argv)
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{
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int dev, speed, res;
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int dev;
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if (argc != 3) {
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puts("Error: Init: Invalid number of arguments!");
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printf("Usage:\n%s: [DEVICE] [SPEED]\n", argv[0]);
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if (argc != 2) {
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puts("Error: Invalid number of arguments!");
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printf("Usage:\n%s: [DEVICE]\n", argv[0]);
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puts(" with DEVICE:");
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for (unsigned i = 0; i < I2C_NUMOF; i++) {
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printf(" %u -> I2C_%u\n", i, i);
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}
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puts(" SPEED:");
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puts(" 0 -> SPEED_LOW (10kbit/s)");
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puts(" 1 -> SPEED_NORMAL (100kbit/s)");
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puts(" 2 -> SPEED_FAST (400kbit/s)");
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puts(" 3 -> SPEED_FAST_PLUS (1Mbit/s)");
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puts(" 4 -> SPEED_HIGH (3.4Mbit/s)\n");
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return 1;
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}
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dev = atoi(argv[1]);
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speed = atoi(argv[2]);
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if (speed < 0 || speed > 4) {
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puts("Error: Speed value not in range (0 - 4)");
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return 1;
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}
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res = i2c_init_master(dev, map_speed[speed]);
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if (res == -1) {
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puts("Error: Init: Given device not available");
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return 1;
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}
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else if (res == -2) {
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puts("Error: Init: Unsupported speed value");
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if (dev < 0 || dev >= (int)I2C_NUMOF) {
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puts("Error: Given device not available");
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return 1;
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}
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else {
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printf("I2C_%i successfully initialized as master!\n", dev);
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i2c_dev = dev;
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return 0;
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}
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return 0;
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return 1;
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}
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int cmd_write(int argc, char **argv)
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int cmd_i2c_acquire(int argc, char **argv)
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{
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int res;
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uint8_t addr;
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int length = argc - 2;
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uint8_t data[BUFSIZE];
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(void)argv;
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if (argc != 1) {
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puts("Error: Aquire: Invalid number of arguments!");
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return 1;
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}
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if (i2c_dev < 0) {
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puts("Error: no I2C device was initialized");
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return 1;
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}
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if (argc < 3) {
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puts("Error: not enough arguments given");
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printf("Usage:\n%s: ADDR BYTE0 [BYTE1 [BYTE_n [...]]]\n", argv[0]);
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return 1;
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}
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addr = atoi(argv[1]);
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for (int i = 0; i < length; i++) {
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data[i] = atoi(argv[i + 2]);
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}
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if (length == 1) {
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printf("i2c_write_byte(I2C_%i, 0x%02x, 0x%02x)\n", i2c_dev, addr, data[0]);
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res = i2c_write_byte(i2c_dev, addr, data[0]);
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}
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else {
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printf("i2c_write_bytes(I2C_%i, 0x%02x, [", i2c_dev, addr);
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for (int i = 0; i < length; i++) {
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printf(", 0x%02x", data[i]);
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}
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puts("])");
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res = i2c_write_bytes(i2c_dev, addr, data, length);
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}
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if (res < 0) {
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puts("Error: no bytes were written");
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return 1;
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}
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else {
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printf("I2C_%i: successfully wrote %i bytes to the bus\n", i2c_dev, res);
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res = i2c_acquire(i2c_dev);
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if (res == 0) {
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printf("I2C_%i successfully acquired!\n", i2c_dev);
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return 0;
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}
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else {
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printf("Error: Device busy\n");
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return 1;
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}
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return 1;
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}
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int cmd_write_reg(int argc, char **argv)
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int cmd_i2c_release(int argc, char **argv)
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{
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(void)argv;
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if (argc != 1) {
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puts("Error: Aquire: Invalid number of arguments!");
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return 1;
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}
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if (i2c_dev < 0) {
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puts("Error: no I2C device was initialized");
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return 1;
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}
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i2c_release(i2c_dev);
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printf("I2C_%i successfully released!\n", i2c_dev);
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return 0;
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}
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int cmd_i2c_read_reg(int argc, char **argv)
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{
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int res;
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uint8_t addr, reg;
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int length = argc - 3;
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uint8_t data[BUFSIZE];
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uint8_t addr, reg, flags;
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uint8_t data[1];
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if (i2c_dev < 0) {
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puts("Error: no I2C device initialized");
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return 1;
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}
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if (length < 1) {
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if (argc < 3) {
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puts("Error: not enough arguments given");
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printf("Usage:\n%s ADDR REG BYTE0 [BYTE1 ...]\n", argv[0]);
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printf("Usage:\n%s ADDR REG FLAG\n", argv[0]);
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return 1;
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}
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addr = atoi(argv[1]);
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reg = atoi(argv[2]);
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for (int i = 0; i < length; i++) {
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data[i] = atoi(argv[i + 3]);
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}
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flags = atoi(argv[3]);
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if (length == 1) {
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printf("i2c_write_reg(I2C_%i, 0x%02x, 0x%02x, 0x%02x)\n",
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i2c_dev, addr, reg, data[0]);
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res = i2c_write_reg(i2c_dev, addr, reg, data[0]);
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}
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else {
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printf("i2c_write_regs(I2C_%i, 0x%02x, 0x%02x, [", i2c_dev, addr, reg);
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for (int i = 0; i < length; i++) {
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printf("0x%02x, ", data[i]);
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}
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puts("])");
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res = i2c_write_regs(i2c_dev, addr, reg, data, length);
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}
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printf("i2c_read_reg(I2C_%i, 0x%02x, 0x%02x)\n", i2c_dev, addr, reg);
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res = i2c_read_reg(i2c_dev, addr, reg, data, flags);
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if (res < 1) {
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puts("Error: no bytes were written");
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if (res == I2C_ADDR_NACK) {
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puts("Error: addr NACK");
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return 1;
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}
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else {
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printf("I2C_%i: successfully wrote %i bytes to register 0x%02x\n", i2c_dev, res, reg);
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return 0;
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}
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}
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int cmd_read(int argc, char **argv)
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{
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int res;
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uint8_t addr;
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int length;
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uint8_t data[BUFSIZE];
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if (i2c_dev < 0) {
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puts("Error: no I2C device initialized");
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else if (res == I2C_ERR) {
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puts("Error: i2c return error");
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return 1;
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}
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if (argc < 3) {
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puts("Error: not enough arguments given");
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printf("Usage:\n%s ADDR LENGTH\n", argv[0]);
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return 1;
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}
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addr = atoi(argv[1]);
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length = atoi(argv[2]);
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if (length < 1 || length > (int)BUFSIZE) {
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puts("Error: invalid LENGTH parameter given\n");
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return 1;
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}
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else if (length == 1) {
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printf("i2c_read_byte(I2C_%i, 0x%02x)\n", i2c_dev, addr);
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res = i2c_read_byte(i2c_dev, addr, data);
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}
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else {
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printf("i2c_read_bytes(I2C_%i, 0x%02x, %i)\n", i2c_dev, addr, length);
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res = i2c_read_bytes(i2c_dev, addr, data, length);
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}
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if (res < 1) {
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puts("Error: no bytes were read");
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return 1;
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}
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else {
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printf("I2C_%i: successfully read %i bytes:\n [", i2c_dev, res);
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for (int i = 0; i < res; i++) {
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printf("0x%02x, ", data[i]);
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}
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else if (res == I2C_ACK) {
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printf("I2C_%i: successfully read 1 byte from reg 0x%02x:\n [",
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i2c_dev, reg);
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printf("0x%02x, ", data[0]);
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puts("]");
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return 0;
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}
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puts("Error: Unknown Error");
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return 1;
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}
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int cmd_read_reg(int argc, char **argv)
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int cmd_i2c_read_regs(int argc, char **argv)
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{
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int res;
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uint8_t addr, reg;
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int length;
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uint8_t addr, reg, flags;
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int len;
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uint8_t data[BUFSIZE];
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if (i2c_dev < 0) {
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@ -234,48 +154,403 @@ int cmd_read_reg(int argc, char **argv)
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}
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if (argc < 4) {
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puts("Error: not enough arguments given");
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printf("Usage:\n%s ADDR REG LENGTH\n", argv[0]);
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printf("Usage:\n%s ADDR REG LENGTH FLAG\n", argv[0]);
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return 1;
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}
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addr = atoi(argv[1]);
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reg = atoi(argv[2]);
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length = atoi(argv[3]);
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len = atoi(argv[3]);
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flags = atoi(argv[4]);
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if (length < 1 || length > (int)BUFSIZE) {
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if (len < 1 || len > (int)BUFSIZE) {
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puts("Error: invalid LENGTH parameter given");
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return 1;
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}
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else if (length == 1) {
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printf("i2c_read_reg(I2C_%i, 0x%02x, 0x%02x)\n", i2c_dev, addr, reg);
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res = i2c_read_reg(i2c_dev, addr, reg, data);
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}
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else {
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printf("i2c_read_regs(I2C_%i, 0x%02x, 0x%02x, %i)\n", i2c_dev, addr, reg, length);
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res = i2c_read_regs(i2c_dev, addr, reg, data, length);
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printf("i2c_read_regs(I2C_%i, 0x%02x, 0x%02x, %i)\n", i2c_dev, addr,
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reg, len);
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res = i2c_read_regs(i2c_dev, addr, reg, data, len, flags);
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}
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if (res < 1) {
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puts("Error: no bytes were read");
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if (res == I2C_ADDR_NACK) {
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puts("Error: addr NACK");
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return 1;
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}
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else {
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printf("I2C_%i: successfully read %i bytes from reg 0x%02x:\n [", i2c_dev, res, reg);
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for (int i = 0; i < res; i++) {
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else if (res == I2C_ERR) {
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puts("Error: i2c return error");
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return 1;
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}
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else if (res == I2C_ACK) {
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printf("I2C_%i: successfully read %i bytes from reg 0x%02x:\n [",
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i2c_dev, len, reg);
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for (int i = 0; i < len; i++) {
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printf("0x%02x, ", data[i]);
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}
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puts("]");
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return 0;
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}
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puts("Error: Unknown Error");
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return 1;
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}
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int cmd_i2c_read_byte(int argc, char **argv)
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{
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int res;
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uint16_t addr;
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uint8_t flags;
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uint8_t data[1];
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if (i2c_dev < 0) {
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puts("Error: no I2C device initialized");
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return 1;
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}
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if (argc < 3) {
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puts("Error: not enough arguments given");
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printf("Usage:\n%s ADDR FLAG\n", argv[0]);
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return 1;
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}
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addr = atoi(argv[1]);
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flags = atoi(argv[2]);
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printf("i2c_read_byte(I2C_%i, 0x%02x, 0x%02x)\n", i2c_dev, addr, flags);
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res = i2c_read_byte(i2c_dev, addr, data, flags);
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if (res == I2C_ADDR_NACK) {
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puts("Error: addr NACK");
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return 1;
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}
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else if (res == I2C_ERR) {
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puts("Error: i2c return error");
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return 1;
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}
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else if (res == I2C_ACK) {
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printf("I2C_%i: successfully read 1 byte:\n [", i2c_dev);
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printf("0x%02x, ", data[0]);
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puts("]");
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return 0;
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}
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puts("Error: Unknown Error");
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return 1;
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}
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int cmd_i2c_read_bytes(int argc, char **argv)
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{
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int res;
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uint16_t addr;
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int len;
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uint8_t flags;
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uint8_t data[BUFSIZE];
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if (i2c_dev < 0) {
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puts("Error: no I2C device initialized");
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return 1;
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}
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if (argc < 4) {
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puts("Error: not enough arguments given");
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printf("Usage:\n%s ADDR LENGTH FLAG\n", argv[0]);
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return 1;
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}
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addr = atoi(argv[1]);
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len = atoi(argv[2]);
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flags = atoi(argv[3]);
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if (len < 1 || len > (int)BUFSIZE) {
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puts("Error: invalid LENGTH parameter given\n");
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return 1;
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}
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else {
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printf("i2c_read_bytes(I2C_%i, 0x%02x, %i, 0x%02x)\n", i2c_dev, addr,
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len, flags);
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res = i2c_read_bytes(i2c_dev, addr, data, len, flags);
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}
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if (res == I2C_ADDR_NACK) {
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puts("Error: addr NACK");
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return 1;
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}
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else if (res == I2C_ERR) {
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puts("Error: i2c return error");
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return 1;
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}
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else if (res == I2C_ACK) {
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printf("I2C_%i: successfully read %i bytes:\n [", i2c_dev, len);
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for (int i = 0; i < len; i++) {
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printf("0x%02x, ", data[i]);
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}
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puts("]");
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return 0;
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}
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puts("Error: Unknown Error");
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return 1;
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}
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int cmd_i2c_write_byte(int argc, char **argv)
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{
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int res;
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uint8_t addr;
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uint8_t flags;
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uint8_t data;
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if (i2c_dev < 0) {
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puts("Error: no I2C device was initialized");
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return 1;
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}
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if (argc != 4) {
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puts("Error: invalid number of arguments given");
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printf("Usage:\n%s: ADDR FLAG BYTE0\n", argv[0]);
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return 1;
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}
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addr = atoi(argv[1]);
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flags = atoi(argv[2]);
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data = atoi(argv[3]);
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printf("i2c_write_byte(I2C_%i, 0x%02x, 0x%02x, [0x%02x", i2c_dev, addr,
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flags, data);
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puts("])");
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res = i2c_write_byte(i2c_dev, addr, data, flags);
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if (res == I2C_ADDR_NACK) {
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puts("Error: addr NACK");
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return 1;
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}
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else if (res == I2C_DATA_NACK) {
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puts("Error: data NACK");
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return 1;
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}
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else if (res == I2C_ERR) {
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puts("Error: i2c return error");
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return 1;
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}
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else if (res == I2C_ACK) {
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printf("I2C_%i: successfully wrote 1 byte to the bus\n", i2c_dev);
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return 0;
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}
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puts("Error: Unknown Error");
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return 1;
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}
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|
||||
int cmd_i2c_write_bytes(int argc, char **argv)
|
||||
{
|
||||
int res;
|
||||
uint8_t addr;
|
||||
int len = argc - 3;
|
||||
uint8_t flags;
|
||||
uint8_t data[BUFSIZE];
|
||||
|
||||
if (i2c_dev < 0) {
|
||||
puts("Error: no I2C device was initialized");
|
||||
return 1;
|
||||
}
|
||||
if (argc < 4) {
|
||||
puts("Error: not enough arguments given");
|
||||
printf("Usage:\n%s: ADDR FLAG BYTE0 [BYTE1 [BYTE_n [...]]]\n", argv[0]);
|
||||
return 1;
|
||||
}
|
||||
|
||||
addr = atoi(argv[1]);
|
||||
flags = atoi(argv[2]);
|
||||
for (int i = 0; i < len; i++) {
|
||||
data[i] = atoi(argv[i + 3]);
|
||||
}
|
||||
|
||||
printf("i2c_write_bytes(I2C_%i, 0x%02x, 0x%02x, [", i2c_dev, addr, flags);
|
||||
for (int i = 0; i < len; i++) {
|
||||
printf(", 0x%02x", data[i]);
|
||||
}
|
||||
puts("])");
|
||||
res = i2c_write_bytes(i2c_dev, addr, data, len, flags);
|
||||
|
||||
if (res == I2C_ADDR_NACK) {
|
||||
puts("Error: addr NACK");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_DATA_NACK) {
|
||||
puts("Error: data NACK");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_ERR) {
|
||||
puts("Error: i2c return error");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_ACK) {
|
||||
printf("I2C_%i: successfully wrote %i bytes\n", i2c_dev, len);
|
||||
return 0;
|
||||
}
|
||||
puts("Error: Unknown Error");
|
||||
return 1;
|
||||
}
|
||||
|
||||
int cmd_i2c_write_reg(int argc, char **argv)
|
||||
{
|
||||
int res;
|
||||
uint8_t addr, reg, flags;
|
||||
uint8_t data;
|
||||
|
||||
if (i2c_dev < 0) {
|
||||
puts("Error: no I2C device initialized");
|
||||
return 1;
|
||||
}
|
||||
if (argc != 5) {
|
||||
puts("Error: invalid number of arguments given");
|
||||
printf("Usage:\n%s ADDR REG FLAG BYTE0\n", argv[0]);
|
||||
return 1;
|
||||
}
|
||||
|
||||
addr = atoi(argv[1]);
|
||||
reg = atoi(argv[2]);
|
||||
flags = atoi(argv[3]);
|
||||
data = atoi(argv[4]);
|
||||
|
||||
printf("i2c_write_reg(I2C_%i, 0x%02x, 0x%02x, 0x%02x, [0x%02x", i2c_dev,
|
||||
addr, reg, flags, data);
|
||||
puts("])");
|
||||
res = i2c_write_reg(i2c_dev, addr, reg, data, flags);
|
||||
|
||||
if (res == I2C_ADDR_NACK) {
|
||||
puts("Error: addr NACK");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_DATA_NACK) {
|
||||
puts("Error: data NACK");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_ERR) {
|
||||
puts("Error: i2c return error");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_ACK) {
|
||||
printf("I2C_%i: successfully wrote 1 byte\n", i2c_dev);
|
||||
return 0;
|
||||
}
|
||||
puts("Error: Unknown Error");
|
||||
return 1;
|
||||
}
|
||||
|
||||
int cmd_i2c_write_regs(int argc, char **argv)
|
||||
{
|
||||
int res;
|
||||
uint8_t addr, reg, flags;
|
||||
int len = argc - 4;
|
||||
uint8_t data[BUFSIZE];
|
||||
|
||||
if (i2c_dev < 0) {
|
||||
puts("Error: no I2C device initialized");
|
||||
return 1;
|
||||
}
|
||||
if (len < 1) {
|
||||
puts("Error: not enough arguments given");
|
||||
printf("Usage:\n%s ADDR REG FLAG BYTE0 [BYTE1 ...]\n", argv[0]);
|
||||
return 1;
|
||||
}
|
||||
|
||||
addr = atoi(argv[1]);
|
||||
reg = atoi(argv[2]);
|
||||
flags = atoi(argv[3]);
|
||||
for (int i = 0; i < len; i++) {
|
||||
data[i] = atoi(argv[i + 4]);
|
||||
}
|
||||
|
||||
printf("i2c_write_regs(I2C_%i, 0x%02x, 0x%02x, 0x%02x[", i2c_dev, addr,
|
||||
reg, flags);
|
||||
for (int i = 0; i < len; i++) {
|
||||
printf("0x%02x, ", data[i]);
|
||||
}
|
||||
puts("])");
|
||||
res = i2c_write_regs(i2c_dev, addr, reg, data, len, flags);
|
||||
|
||||
if (res == I2C_ADDR_NACK) {
|
||||
puts("Error: addr NACK");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_DATA_NACK) {
|
||||
puts("Error: data NACK");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_ERR) {
|
||||
puts("Error: i2c return error");
|
||||
return 1;
|
||||
}
|
||||
else if (res == I2C_ACK) {
|
||||
printf("I2C_%i: successfully wrote %i bytes to register 0x%02x\n",
|
||||
i2c_dev, len, reg);
|
||||
return 0;
|
||||
}
|
||||
puts("Error: Unknown Error");
|
||||
return 1;
|
||||
}
|
||||
|
||||
int cmd_i2c_get_devs(int argc, char **argv)
|
||||
{
|
||||
(void)argv;
|
||||
if (argc != 1) {
|
||||
puts("Error: No args needed :)\n");
|
||||
return 1;
|
||||
}
|
||||
printf("Amount of i2c devices: %d\n", I2C_NUMOF);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int cmd_i2c_get_speed(int argc, char **argv)
|
||||
{
|
||||
(void)argv;
|
||||
if (argc != 1) {
|
||||
puts("Error: No args needed :)");
|
||||
return 1;
|
||||
}
|
||||
if (i2c_dev < 0) {
|
||||
puts("Error: no I2C device was initialized");
|
||||
return 1;
|
||||
}
|
||||
|
||||
switch (GET_I2C_CLK_SPD(i2c_dev)) {
|
||||
case I2C_SPEED_LOW:
|
||||
printf("I2C%d clk speed: 0 -> ~10kbit/s",i2c_dev);
|
||||
break;
|
||||
|
||||
case I2C_SPEED_NORMAL:
|
||||
printf("I2C%d clk speed: 1 -> ~100kbit/s",i2c_dev);
|
||||
break;
|
||||
|
||||
case I2C_SPEED_FAST:
|
||||
printf("I2C%d clk speed: 2 -> ~400kbit/s",i2c_dev);
|
||||
break;
|
||||
|
||||
case I2C_SPEED_FAST_PLUS:
|
||||
printf("I2C%d clk speed: 3 -> ~1Mbit/s",i2c_dev);
|
||||
break;
|
||||
|
||||
case I2C_SPEED_HIGH:
|
||||
printf("I2C%d clk speed: 4 -> ~10kbit/s",i2c_dev);
|
||||
break;
|
||||
|
||||
default:
|
||||
printf("I2C%d clk speed: ? -> NOT DEFINED\n",i2c_dev);
|
||||
return 1;
|
||||
break;
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const shell_command_t shell_commands[] = {
|
||||
{ "init_master", "Initialize I2C as master", cmd_init_master },
|
||||
{ "w", "write bytes to given address", cmd_write },
|
||||
{ "wr", "write to register ", cmd_write_reg },
|
||||
{ "r", "read bytes from given address", cmd_read },
|
||||
{ "rr", "read bytes from register", cmd_read_reg },
|
||||
{ "i2c_assign_dev", "Selects the device", cmd_i2c_assign_dev },
|
||||
{ "i2c_acquire", "Get access to the I2C bus", cmd_i2c_acquire },
|
||||
{ "i2c_release", "Release to the I2C bus", cmd_i2c_release },
|
||||
{ "i2c_read_reg", "Read byte from register", cmd_i2c_read_reg },
|
||||
{ "i2c_read_regs", "Read bytes from registers", cmd_i2c_read_regs },
|
||||
{ "i2c_read_byte", "Read byte from the I2C device", cmd_i2c_read_byte },
|
||||
{ "i2c_read_bytes", "Read bytes from the I2C device", cmd_i2c_read_bytes },
|
||||
{ "i2c_write_byte", "Write byte to the I2C device", cmd_i2c_write_byte },
|
||||
{ "i2c_write_bytes", "Write bytes to the I2C device", cmd_i2c_write_bytes },
|
||||
{ "i2c_write_reg", "Write byte to register", cmd_i2c_write_reg },
|
||||
{ "i2c_write_regs", "Write bytes to registers", cmd_i2c_write_regs },
|
||||
{ "i2c_get_devs", "Gets amount of supported i2c devices", cmd_i2c_get_devs },
|
||||
{ "i2c_get_speed", "Get the boards clk speed", cmd_i2c_get_speed },
|
||||
{ NULL, NULL, NULL }
|
||||
};
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user