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firmata_mraa.c: Fix broken handling of mraa_uart_write return values

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2016-03-11 17:45:41 +00:00
parent 91452e5c83
commit 420486519b
1 changed files with 4 additions and 8 deletions
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12
src/firmata/firmata_mraa.c
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@@ -133,11 +133,9 @@ mraa_firmata_send_i2c_read_req(mraa_i2c_context dev, int length)
buffer[5] = (length >> 7) & 0x7f;
buffer[6] = FIRMATA_END_SYSEX;
mraa_result_t res = mraa_uart_write(firmata_dev->uart, buffer, 7);
if (res != MRAA_SUCCESS) {
if (mraa_uart_write(firmata_dev->uart, buffer, 7) != 7) {
free(buffer);
mraa_result_print(res);
return res;
return MRAA_ERROR_UNSPECIFIED;
}
// this needs a lock :)
@@ -167,11 +165,9 @@ mraa_firmata_send_i2c_read_cont_req(mraa_i2c_context dev, uint8_t command, int l
buffer[7] = (length >> 7) & 0x7f;
buffer[8] = FIRMATA_END_SYSEX;
mraa_result_t res = mraa_uart_write(firmata_dev->uart, buffer, 9);
if (res != MRAA_SUCCESS) {
if (mraa_uart_write(firmata_dev->uart, buffer, 9) != 9) {
free(buffer);
mraa_result_print(res);
return res;
return MRAA_ERROR_UNSPECIFIED;
}
// this needs a lock :)