From 3551810bd8ddc328f69ac58850d0901883a05087 Mon Sep 17 00:00:00 2001 From: Tuomas Kulve Date: Tue, 6 May 2008 21:56:22 +0300 Subject: [PATCH] Applied bluez-utils-hciattach-gumstix.patch. --- tools/hciattach.c | 129 ++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 files changed, 123 insertions(+), 6 deletions(-) diff --git a/tools/hciattach.c b/tools/hciattach.c index 36f3c72..c24a61a 100644 --- a/tools/hciattach.c +++ b/tools/hciattach.c @@ -42,6 +42,7 @@ #include #include #include +#include #include #include @@ -114,12 +115,6 @@ static int uart_speed(int s) return B576000; case 921600: return B921600; - case 1000000: - return B1000000; - case 1152000: - return B1152000; - case 1500000: - return B1500000; case 2000000: return B2000000; #ifdef B2500000 @@ -251,6 +246,19 @@ static int ericsson(int fd, struct uart_t *u, struct termios *ti) } /* + * Infineon specific initialization + */ +static int infineon(int fd, struct uart_t *u, struct termios *ti) +{ + if(u->speed != u->init_speed) + { + printf("Can't yet change speed for infineon module. Will stay at %d baud\n", u->init_speed); + u->speed = u->init_speed; + } + return 0; +} + +/* * Digianswer specific initialization */ static int digi(int fd, struct uart_t *u, struct termios *ti) @@ -799,6 +807,114 @@ static int swave(int fd, struct uart_t *u, struct termios *ti) return 0; } +void gumstix_reset(int fd) +{ + struct timespec tm = { 0, 500000000 }; + struct timeval tv = { 1, 0 }; + fd_set watch; + int retval; + + tcflush(fd, TCIOFLUSH); + system("echo clear > /proc/gpio/GPIO12"); + system("echo set > /proc/gpio/GPIO12"); + nanosleep(&tm, NULL); + FD_ZERO(&watch); + FD_SET(fd,&watch); + retval = select(fd+1, &watch, NULL, NULL, &tv); + if(retval == -1) + { + perror("Select after reset failed"); + } else if(retval == 0) { + printf("No response after reset\n"); + } else { + printf("Got response after reset... gobbling\n"); + tcflush(fd, TCIOFLUSH); + } +} + +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +static int gumstix(int fd, struct uart_t *u, struct termios *ti) +{ + fd_set watch; + struct timeval tv = { 1, 0 }; + unsigned char cmd[10], resp[HCI_MAX_EVENT_SIZE]; + int baudrates[] = { 57600, 115200, 921600 }; + int old_alarm = alarm(20); // Extend timeout + int i, j, retval; + + cmd[0] = HCI_COMMAND_PKT; // Determine what module we're talking to + cmd[1] = OCF_READ_LOCAL_VERSION; + cmd[2] = OGF_INFO_PARAM << 2; + cmd[3] = 0x00; + + // Lock onto baud rate first + for(i=0; i < ARRAY_SIZE(baudrates); i++) + { + printf("Trying baud rate %d...\n",baudrates[i]); + if (set_speed(fd, ti, baudrates[i]) < 0) { + perror("Can't set default baud rate"); + goto gumstix_fail; + } + gumstix_reset(fd); + + /* Send READ_LOCAL_VERSION command */ + if (write(fd, cmd, 4) != 4) { + perror("Can't write HCI_Read_Local_Version_Information cmd."); + goto gumstix_fail; + } + + FD_ZERO(&watch); + FD_SET(fd,&watch); + tv.tv_sec = 1; tv.tv_usec = 0; + retval = select(fd+1, &watch, NULL, NULL, &tv); + + if(retval == -1) + { + perror("select() failed"); + goto gumstix_fail; + } else if(retval == 0) { + printf("No response from BT module\n"); + continue; + } else { + retval = read_hci_event(fd, resp, HCI_MAX_EVENT_SIZE); + if (retval < 0) { + perror("Error reading response"); + continue; + } else if(retval == READ_LOCAL_VERSION_RP_SIZE + 6) { // The 6 is 0x04 0x0e 0xnn 0xmm 0x01 0x10 + read_local_version_rp *vers = (read_local_version_rp *)&(resp[6]); + printf("Detected bluetooth module at %d baud\n",baudrates[i]); + printf("Got: status=0x%02x, hci_ver=0x%02x, hci_rev=0x%04x, lmp_ver=0x%02x, manuf=0x%04x, lmp_subver=0x%04x\n", + vers->status, vers->hci_ver, vers->hci_rev, + vers->lmp_ver, vers->manufacturer, vers->lmp_subver); + if(vers->manufacturer == 0x0000) // ericsson + { + u->init_speed = baudrates[i]; + ericsson(fd,u,ti); + } + else if(vers->manufacturer == 0x0009) // infineon + { + u->init_speed = baudrates[i]; + infineon(fd,u,ti); + } else { + printf("Unknown bluetooth module manufacturer!\n"); + goto gumstix_fail; + } + goto gumstix_success; + } else { + printf("Read wrong response size: %d\n", retval); + for(j=0; j @@ -1052,6 +1168,7 @@ static int bcm2035(int fd, struct uart_t *u, struct termios *ti) struct uart_t uart[] = { { "any", 0x0000, 0x0000, HCI_UART_H4, 115200, 115200, FLOW_CTL, NULL, NULL }, { "ericsson", 0x0000, 0x0000, HCI_UART_H4, 57600, 115200, FLOW_CTL, NULL, ericsson }, + { "gumstix", 0x0000, 0x0000, HCI_UART_H4, 57600, 921600, FLOW_CTL, NULL, gumstix }, { "digi", 0x0000, 0x0000, HCI_UART_H4, 9600, 115200, FLOW_CTL, NULL, digi }, { "texas", 0x0000, 0x0000, HCI_UART_H4, 115200, 115200, FLOW_CTL, NULL, texas }, -- 1.5.4.5