From 48bf84ff3754109fe6cf8e0e161eb70ae0987bfe Mon Sep 17 00:00:00 2001 From: Randy Mackay Date: Mon, 2 Mar 2015 14:30:01 +0900 Subject: oreoled: support send_bytes ioctl Also increase maximum command length to 24 bytes --- src/drivers/drv_oreoled.h | 5 ++++- src/drivers/oreoled/oreoled.cpp | 25 +++++++++++++++++++++++++ 2 files changed, 29 insertions(+), 1 deletion(-) (limited to 'src/drivers') diff --git a/src/drivers/drv_oreoled.h b/src/drivers/drv_oreoled.h index bc53f04a5..0dcb10a7b 100644 --- a/src/drivers/drv_oreoled.h +++ b/src/drivers/drv_oreoled.h @@ -58,6 +58,9 @@ /** run macro */ #define OREOLED_RUN_MACRO _OREOLEDIOC(2) +/** send bytes */ +#define OREOLED_SEND_BYTES _OREOLEDIOC(3) + /* Oreo LED driver supports up to 4 leds */ #define OREOLED_NUM_LEDS 4 @@ -65,7 +68,7 @@ #define OREOLED_ALL_INSTANCES 0xff /* maximum command length that can be sent to LEDs */ -#define OREOLED_CMD_LENGTH_MAX 10 +#define OREOLED_CMD_LENGTH_MAX 24 /* enum passed to OREOLED_SET_MODE ioctl() * defined by hardware */ diff --git a/src/drivers/oreoled/oreoled.cpp b/src/drivers/oreoled/oreoled.cpp index 2f5bf75bc..b44c4b720 100644 --- a/src/drivers/oreoled/oreoled.cpp +++ b/src/drivers/oreoled/oreoled.cpp @@ -368,6 +368,31 @@ OREOLED::ioctl(struct file *filp, int cmd, unsigned long arg) return ret; + case OREOLED_SEND_BYTES: + /* send bytes */ + new_cmd = *((oreoled_cmd_t *) arg); + + /* special handling for request to set all instances */ + if (new_cmd.led_num == OREOLED_ALL_INSTANCES) { + for (uint8_t i = 0; i < OREOLED_NUM_LEDS; i++) { + /* add command to queue for all healthy leds */ + if (_healthy[i]) { + new_cmd.led_num = i; + _cmd_queue->force(&new_cmd); + ret = OK; + } + } + + } else if (new_cmd.led_num < OREOLED_NUM_LEDS) { + /* request to set individual instance's rgb value */ + if (_healthy[new_cmd.led_num]) { + _cmd_queue->force(&new_cmd); + ret = OK; + } + } + + return ret; + default: /* see if the parent class can make any use of it */ ret = CDev::ioctl(filp, cmd, arg); -- cgit v1.2.3