From f1c399a60b3bf5a81740eab67016732714573dfa Mon Sep 17 00:00:00 2001 From: Jean Cyr Date: Sat, 12 Oct 2013 01:14:03 -0400 Subject: Add support for 8 channel DSMX sattelite pairing --- src/drivers/drv_pwm_output.h | 1 + src/drivers/px4io/px4io.cpp | 15 ++++++++++----- src/modules/px4iofirmware/dsm.c | 2 +- 3 files changed, 12 insertions(+), 6 deletions(-) (limited to 'src') diff --git a/src/drivers/drv_pwm_output.h b/src/drivers/drv_pwm_output.h index 94e923d71..fc96bd848 100644 --- a/src/drivers/drv_pwm_output.h +++ b/src/drivers/drv_pwm_output.h @@ -120,6 +120,7 @@ ORB_DECLARE(output_pwm); #define DSM2_BIND_PULSES 3 /* DSM_BIND_START ioctl parameter, pulses required to start dsm2 pairing */ #define DSMX_BIND_PULSES 7 /* DSM_BIND_START ioctl parameter, pulses required to start dsmx pairing */ +#define DSMX8_BIND_PULSES 10 /* DSM_BIND_START ioctl parameter, pulses required to start 8 or more channel dsmx pairing */ /** Power up DSM receiver */ #define DSM_BIND_POWER_UP _IOC(_PWM_SERVO_BASE, 8) diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp index f6d4f1ed4..d9869bf94 100644 --- a/src/drivers/px4io/px4io.cpp +++ b/src/drivers/px4io/px4io.cpp @@ -82,6 +82,7 @@ #include #include #include + #include #include @@ -709,7 +710,6 @@ PX4IO::init() /* regular boot, no in-air restart, init IO */ } else { - /* dis-arm IO before touching anything */ io_reg_modify(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_ARMING, PX4IO_P_SETUP_ARMING_FMU_ARMED | @@ -1210,13 +1210,13 @@ PX4IO::dsm_bind_ioctl(int dsmMode) if (!(_status & PX4IO_P_STATUS_FLAGS_SAFETY_OFF)) { /* 0: dsm2, 1:dsmx */ if ((dsmMode == 0) || (dsmMode == 1)) { - mavlink_log_info(_thread_mavlink_fd, "[IO] binding dsm%c rx", (dsmMode == 0) ? '2' : 'x'); - ioctl(nullptr, DSM_BIND_START, (dsmMode == 0) ? DSM2_BIND_PULSES : DSMX_BIND_PULSES); + mavlink_log_info(_thread_mavlink_fd, "[IO] binding dsm%s rx", (dsmMode == 0) ? "2" : ((dsmMode == 1) ? "x" : "x8")); + ioctl(nullptr, DSM_BIND_START, (dsmMode == 0) ? DSM2_BIND_PULSES : ((dsmMode == 1) ? DSMX_BIND_PULSES : DSMX8_BIND_PULSES)); } else { mavlink_log_info(_thread_mavlink_fd, "[IO] invalid dsm bind mode, bind request rejected"); } } else { - mavlink_log_info(_thread_mavlink_fd, "[IO] system armed, bind request rejected"); + mavlink_log_info(_thread_mavlink_fd, "[IO] system armed, bind request rejected"); } } @@ -1870,7 +1870,7 @@ PX4IO::ioctl(file * /*filep*/, int cmd, unsigned long arg) usleep(500000); io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_DSM, dsm_bind_set_rx_out); io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_DSM, dsm_bind_power_up); - usleep(50000); + usleep(72000); io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_DSM, dsm_bind_send_pulses | (arg << 4)); usleep(50000); io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_DSM, dsm_bind_reinit_uart); @@ -2213,8 +2213,13 @@ bind(int argc, char *argv[]) pulses = DSM2_BIND_PULSES; else if (!strcmp(argv[2], "dsmx")) pulses = DSMX_BIND_PULSES; + else if (!strcmp(argv[2], "dsmx8")) + pulses = DSMX8_BIND_PULSES; else errx(1, "unknown parameter %s, use dsm2 or dsmx", argv[2]); + // Test for custom pulse parameter + if (argc > 3) + pulses = atoi(argv[3]); if (g_dev->system_status() & PX4IO_P_STATUS_FLAGS_SAFETY_OFF) errx(1, "system must not be armed"); diff --git a/src/modules/px4iofirmware/dsm.c b/src/modules/px4iofirmware/dsm.c index 433976656..fd3b72015 100644 --- a/src/modules/px4iofirmware/dsm.c +++ b/src/modules/px4iofirmware/dsm.c @@ -285,10 +285,10 @@ dsm_bind(uint16_t cmd, int pulses) /*Pulse RX pin a number of times*/ for (int i = 0; i < pulses; i++) { + up_udelay(25); stm32_gpiowrite(usart1RxAsOutp, false); up_udelay(25); stm32_gpiowrite(usart1RxAsOutp, true); - up_udelay(25); } break; -- cgit v1.2.3