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drivers: eeprom: shell cmd fill can now fill whole eeprom

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Modified eeprom shell fill command to be able to fill the complete
eeprom. The code of the fill command is now similar the new eeprom
read command.

Signed-off-by: Christian Taedcke <christian.taedcke@lemonbeat.com>
This commit is contained in:
Christian Taedcke 2021-02-05 12:43:12 +01:00 committed by Ioannis Glaropoulos
parent a86c31d802
commit f8f120c5a5
1 changed files with 31 additions and 21 deletions
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52
drivers/eeprom/eeprom_shell.c
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@ -150,25 +150,22 @@ static int cmd_fill(const struct shell *shell, size_t argc, char **argv)
uint8_t rd_buf[CONFIG_EEPROM_SHELL_BUFFER_SIZE];
const struct device *eeprom;
unsigned long pattern;
off_t offset;
size_t addr;
size_t initial_offset;
size_t len;
size_t pending;
size_t upto;
int err;
offset = strtoul(argv[args_indx.offset], NULL, 0);
initial_offset = strtoul(argv[args_indx.offset], NULL, 0);
len = strtoul(argv[args_indx.length], NULL, 0);
if (len > sizeof(wr_buf)) {
shell_error(shell, "Write buffer size (%d bytes) exceeded",
sizeof(wr_buf));
return -EINVAL;
}
pattern = strtoul(argv[args_indx.pattern], NULL, 0);
if (pattern > UINT8_MAX) {
shell_error(shell, "Error parsing pattern byte");
return -EINVAL;
}
memset(wr_buf, pattern, len);
memset(wr_buf, pattern, MIN(len, CONFIG_EEPROM_SHELL_BUFFER_SIZE));
eeprom = device_get_binding(argv[args_indx.device]);
if (!eeprom) {
@ -179,23 +176,36 @@ static int cmd_fill(const struct shell *shell, size_t argc, char **argv)
shell_print(shell, "Writing %d bytes of 0x%02x to EEPROM...", len,
pattern);
err = eeprom_write(eeprom, offset, wr_buf, len);
if (err) {
shell_error(shell, "EEPROM write failed (err %d)", err);
return err;
addr = initial_offset;
for (upto = 0; upto < len; upto += pending) {
pending = MIN(len - upto, CONFIG_EEPROM_SHELL_BUFFER_SIZE);
err = eeprom_write(eeprom, addr, wr_buf, pending);
if (err) {
shell_error(shell, "EEPROM write failed (err %d)", err);
return err;
}
addr += pending;
}
addr = initial_offset;
shell_print(shell, "Verifying...");
err = eeprom_read(eeprom, offset, rd_buf, len);
if (err) {
shell_error(shell, "EEPROM read failed (err %d)", err);
return err;
}
for (upto = 0; upto < len; upto += pending) {
pending = MIN(len - upto, CONFIG_EEPROM_SHELL_BUFFER_SIZE);
err = eeprom_read(eeprom, addr, rd_buf, pending);
if (err) {
shell_error(shell, "EEPROM read failed (err %d)", err);
return err;
}
if (memcmp(wr_buf, rd_buf, len) != 0) {
shell_error(shell, "Verify failed");
return -EIO;
if (memcmp(wr_buf, rd_buf, pending) != 0) {
shell_error(shell, "Verify failed");
return -EIO;
}
addr += pending;
}
shell_print(shell, "Verify OK");