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samples: drivers: espi: Check response for OOB transaction

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Check OOB response data after OOB transaction over eSPI.

Signed-off-by: Jose Alberto Meza <jose.a.meza.arellano@intel.com>
This commit is contained in:
Jose Alberto Meza 2020-03-09 20:13:50 -07:00 • committed by Andrew Boie
commit 7a237649c7
1 changed files with 17 additions and 4 deletions
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21
samples/drivers/espi/src/main.c
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@ -17,6 +17,7 @@ LOG_MODULE_DECLARE(espi, CONFIG_ESPI_LOG_LEVEL);
#define DEST_SLV_ADDR 0x02
#define SRC_SLV_ADDR 0x21
#define OOB_CMDCODE 0x01
#define MAX_RESP_SIZE 20
struct oob_header {
u8_t dest_slave_addr;
@ -25,6 +26,12 @@ struct oob_header {
u8_t src_slave_addr;
};
struct oob_response {
struct oob_header hdr;
u8_t buf[MAX_RESP_SIZE];
};
#ifdef CONFIG_ESPI_GPIO_DEV_NEEDED
static struct device *gpio_dev0;
static struct device *gpio_dev1;
@ -235,9 +242,11 @@ int get_pch_temp(struct device *dev)
struct espi_oob_packet req_pckt;
struct espi_oob_packet resp_pckt;
struct oob_header oob_hdr;
struct oob_header rsp;
struct oob_response rsp;
int ret;
LOG_INF("%s", __func__);
oob_hdr.dest_slave_addr = DEST_SLV_ADDR;
oob_hdr.oob_cmd_code = OOB_CMDCODE;
oob_hdr.byte_cnt = 1;
@ -247,20 +256,24 @@ int get_pch_temp(struct device *dev)
req_pckt.buf = (u8_t *)&oob_hdr;
req_pckt.len = sizeof(struct oob_header);
resp_pckt.buf = (u8_t *)&rsp;
resp_pckt.len = 0;
resp_pckt.len = MAX_RESP_SIZE;
ret = espi_send_oob(dev, req_pckt);
if (ret) {
LOG_WRN("espi_send_oob failed %d\n", ret);
LOG_ERR("OOB Tx failed %d", ret);
return ret;
}
ret = espi_receive_oob(dev, resp_pckt);
if (ret) {
LOG_WRN("espi_receive_oob failed %d\n", ret);
LOG_ERR("OOB Rx failed %d", ret);
return ret;
}
for (int i = 0; i < resp_pckt.len; i++) {
LOG_INF("%x ", rsp.buf[i]);
}
return 0;
}