2 * Copyright (C) 2012-2013 Czech Technical University in Prague
4 * Created on: 28.2.2013
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 * Command for processing data from SPI and
26 * lowlevel command for sending data on SPI
36 #include "cmdproc_utils.h"
38 #include <_isfuncdcl.h>
41 * @brief Translate SPI response according the command and peripheral type
43 * @param[in] cmd_io Pointer to IO stack
44 * @param[in] des Pointer to command descriptor
45 * @param[in] param Parameters of command
46 * @return 0 when OK or error code
48 int cmd_do_spi_translate(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[]) {
52 uint32_t values[MAX_PARAM_VALUES_NUM];
53 uint32_t numFieldDesc;
57 spitr_reg_translate_table_t translatedData;
58 char peripheralName[32];
62 if (sscanf(p, "%31s ", peripheralName) != 1) {
63 return -CMDERR_BADPAR;
66 const spitr_cmd_map_t* cmdDesc = cmdDesc = get_spi_cmd_map(peripheralName, -1, &numCmdDesc);
67 if(cmdDesc == NULL) return -CMDERR_BADREG;
70 if(param[2] != NULL) { // More parameters expected
72 if (sscanf(p, "%x %x %1s", &values[0], &values[1], &spareParams) != 2) {
73 return -CMDERR_BADPAR;
78 const spitr_field_desc_t* fieldDescs = get_spi_field_desc(cmdDesc, numCmdDesc, command, &numFieldDesc);
79 if (fieldDescs == NULL)
80 return -CMDERR_BADPAR;
82 ret = spitr_fill_tr_table(fieldDescs, numFieldDesc, response, &translatedData);
84 for (i = 0; i < translatedData.num_rows; i++) {
85 rpp_sci_printf("%s: %x\r\n", translatedData.row[i].field_name, translatedData.row[i].value);
87 return cmd_opchar_replong(cmd_io, param, ret, 0, 10);
90 return -CMDERR_BADPAR;
95 /* SPI Master testing command */
97 uint8_t spi_test_buf_tx[TEST_BUF];
98 uint8_t spi_test_buf_rx[TEST_BUF];
100 int spimst_print_rx(struct spi_drv *ifc, int status, int addr, uint8_t *buf)
105 rpp_sci_printf("spirx failed: %d\n", status);
109 rpp_sci_printf("spirx:%#x(", addr);
110 for (i = 0; i < status; i++) {
111 rpp_sci_printf("%#x", buf[i]);
115 rpp_sci_printf(")\n");
122 * @brief Send SPI command on SPI and receive response
124 * @param[in] cmd_io Pointer to IO stack
125 * @param[in] des Pointer to command descriptor
126 * @param[in] param Parameters of command
127 * @return 0 when OK or error code
129 int cmd_do_spimst(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[])
139 int values[MAX_PARAM_VALUES_NUM];
142 if (sscanf(p, "%d", &spi) != 1) {
143 return -CMDERR_BADPAR;
146 if (sscanf(p, " %d", &addr) != 1) {
147 return -CMDERR_BADPAR;
149 token = strtok(p, " ");
150 token = strtok(NULL, " ");
152 while (i < MAX_PARAM_VALUES_NUM && token != NULL) {
153 if (sscanf(token, "%x", &values[i]) == EOF) {
156 token = strtok(NULL, " ");
157 spi_test_buf_tx[i] = (uint8_t)values[i];
162 ifc = spi_find_drv(NULL, spi);
164 return -CMDERR_NODEV;
166 if (!(ifc->flags & SPI_IFC_ON)) {
167 //if (spi_tms570_init(ifc) < 0)
168 return -CMDERR_BADCFG;
173 ret = spi_transfer(ifc, addr, rq_len, spi_test_buf_tx, spi_test_buf_rx);
174 spimst_print_rx(ifc, ret, addr, spi_test_buf_rx);
179 /** Command descriptor for SPI response translation */
180 cmd_des_t const cmd_des_spi_translate={
181 0, CDESM_OPCHR|CDESM_RW,
182 "spitr*","Translate response from an SPI peripheral",
183 "### Command syntax ###\n"
185 " spitr<NAME> <CMD> <RESP>\n"
188 "- `<NAME>` is a string specifying the name of the peripheral (one of DINSPI, LOUT, DAC12, DAC34, HBR, FRAY1 and FRAY2)\n"
189 "- `<CMD>` is a hexadecimal number in range 0 - FFFFFFFF\n"
190 "- `<RESP>` is a hexadecimal number in range 0 - FFFFFFFF\n"
192 "### Description ###\n"
194 "This command translates a response from SPI from many different\n"
195 "peripherals into a human readable form. The SPI response is in the\n"
196 "form of a hexadecimal number, which encodes the information. This\n"
197 "commands takes this response, the command which produced this\n"
198 "response, the name of the peripheral and translates the response into\n"
199 "the attribute-value table.\n"
202 " --> portvalDINSPI 7F 00 00\n"
203 " portvalDINSPI=AAC03F\n"
204 " --> spitrDINSPI 7F0000 3FC0AA\n"
205 " Thermal flag : 0\n"
231 "Translates response 0x3FC0AA returned by command 0x7F0000 into a human\n"
233 "Please notice LSB->MSB conversion of the portval result. The necessity\n"
234 "of the conversion depends on the controller of the examined port.\n",
235 CMD_HANDLER(cmd_do_spi_translate), (void *)&cmd_list_spi
238 /** Command descriptor for SPI trasfer */
239 cmd_des_t const cmd_des_spimst = {
241 "spimst*", "Request SPI master communication",
242 "### Command syntax ###\n"
244 " spimst<SPI> <ADDR> <DATA>\n"
247 "- `<SPI>` is a number in range 0 - 4\n"
248 "- `<ADDR>` is a number in range 0 - 2\n"
249 "- `<DATA>` is a sequence of hexadecimal numbers, separated by spaces, e.g. 12 AA CD\n"
251 "### Description ###\n"
253 "The command sends given data to the SPI peripheral and prints the\n"
254 "response. The response contains the address and the received data in\n"
259 " --> spimst1 0 7F 00 00\n"
260 " spirx:0x0(0x3f,0xc0,0xff)\n"
262 "Sends reset command (0x7F0000) to the DIN peripheral.\n",
263 CMD_HANDLER(cmd_do_spimst), (void *)&cmd_list_spi
266 /** List of commands for SPI, defined as external */
267 cmd_des_t const *cmd_list_spi[]={
268 &cmd_des_spi_translate,