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authorjaseg <git@jaseg.de>2023-12-23 16:44:12 +0100
committerjaseg <git@jaseg.de>2023-12-23 16:44:12 +0100
commit621d39437ae66951ebfcc13ecc66704efe356c00 (patch)
tree7037c0b290e4ce26f0c06107e7e58575327ff794 /driver_fw
parent6033f3c6b9cf824fb837f41b19a3c77b32e5b679 (diff)
download8seg-621d39437ae66951ebfcc13ecc66704efe356c00.tar.gz
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Driver: Add basic remote control
Diffstat (limited to 'driver_fw')
-rw-r--r--driver_fw/Makefile4
-rw-r--r--driver_fw/src/main.c123
2 files changed, 86 insertions, 41 deletions
diff --git a/driver_fw/Makefile b/driver_fw/Makefile
index fb4be18..9afcbb5 100644
--- a/driver_fw/Makefile
+++ b/driver_fw/Makefile
@@ -9,7 +9,7 @@ MUSL_DIR ?= upstream/musl
# Algorithm parameters
########################################################################################################################
-# - none -
+DRIVER_ADDR ?= 0
########################################################################################################################
# High-level build parameters
@@ -91,7 +91,7 @@ CFLAGS += -fno-common -ffunction-sections -fdata-sections
COMMON_CFLAGS += -O$(OPT) -std=gnu2x -g
COMMON_CFLAGS += $(DEVICE_DEFINES)
-COMMON_CFLAGS += -DDEBUG=$(DEBUG)
+COMMON_CFLAGS += -DDEBUG=$(DEBUG) -DDRIVER_ADDR=$(DRIVER_ADDR)
GEN_HEADERS := $(BUILDDIR)/generated/waveform_tables.h
diff --git a/driver_fw/src/main.c b/driver_fw/src/main.c
index ba3ddb8..866cde5 100644
--- a/driver_fw/src/main.c
+++ b/driver_fw/src/main.c
@@ -36,9 +36,37 @@ static union tx_buf_union *tx_buf_write = &tx_buf[2];
static bool idle_buf_ready = false;
void update_tx_buf(void);
+int hex_to_int(char *hex, size_t len);
+
+int hex_to_int(char *hex, size_t len) {
+ int rv = 0;
+ while (len--) {
+ rv = rv<<4;
+ char c = hex[len];
+ if ('0' <= c && c <= '9')
+ c -= '0';
+ else if ('a' <= c && c <= 'f')
+ c -= 'a' + 0xa;
+ else if ('A' <= c && c <= 'F')
+ c -= 'A' + 0xa;
+ else
+ c = 0;
+ rv |= c;
+ }
+ return rv;
+}
-char usartbuf[256];
-int usartp = 0;
+enum leds {
+ LED_ON = 1,
+ LED_PING = 2,
+ LED_OVERHEAT = 4,
+ LED_CONTROL_ERR = 8,
+ LED_INPUT_ERR = 16,
+ LED_OUTPUT_ERR = 32
+};
+
+char rxbuf[256];
+size_t rxp = 0;
int main(void) {
/* Configure clocks for 64 MHz system clock.
@@ -160,7 +188,12 @@ int main(void) {
GPIOD->MODER = IN(0) | IN(1) | IN(2) | IN(3) | IN(4) | IN(5) | IN(6) |
IN(8) | IN(9);
- delay_us(5*1000*1000);
+ for (int i=0; i<20; i++) {
+ set_status_leds(LED_ON);
+ delay_us(500*1000);
+ set_status_leds(0);
+ delay_us(500*1000);
+ }
TIM1->CCMR1 = (6<<TIM_CCMR1_OC2M_Pos) | TIM_CCMR1_OC2PE;
TIM1->CCMR2 = (6<<TIM_CCMR2_OC3M_Pos) | TIM_CCMR2_OC3PE;
@@ -194,48 +227,60 @@ int main(void) {
USART1->BRR = 6667; /* Set baudrate to 9600 Bd */
USART1->CR1 |= USART_CR1_UE; /* And... go! */
- int i = 0;
- int j = 0;
- int k = 0;
- int n = 0;
+ int rj45_rx_ctr = 0;
+ int ping_ctr = 0;
+ int control_err_ctr = 0;
while (23) {
- if (USART1->ISR & USART_ISR_RXNE_RXFNE) {
- usartbuf[usartp] = USART1->RDR;
- usartp ++;
- if (usartp >= sizeof(usartbuf)) {
- usartp = 0;
- }
+ if (rj45_rx_ctr) {
+ set_rj45_leds(0x5);
+ rj45_rx_ctr--;
+
+ } else {
+ set_rj45_leds(0x0);
}
- }
- {
- i++;
- j++;
- i %= 6;
- j %= 4;
- delay_us(100000);
- set_rj45_leds(1 << j);
- set_status_leds(0x01);
- if (i == 0) {
- k++;
- if (k == 10) {
- k = 0;
- n++;
- if (n == 16) {
- n = 0;
+ int leds = LED_ON;
+ if (ping_ctr) {
+ leds |= LED_PING;
+ ping_ctr--;
+ }
+ if (control_err_ctr) {
+ leds |= LED_CONTROL_ERR;
+ control_err_ctr--;
+ }
+ set_status_leds(leds);
+
+ if (USART1->ISR & USART_ISR_RXNE_RXFNE) {
+ rj45_rx_ctr = 100000;
+ if (USART1->RDR == '\n') {
+ if (rxp != 4*16*3) {
+ rxp = 0;
+ control_err_ctr = 10000000;
+ continue;
}
- }
- uint8_t b = (k < 8) ? (1<<k) : ~(1<<(k-8));
-
- memset(tx_buf_write, 0, sizeof(*tx_buf_write));
- for (size_t i=0; i<COUNT_OF(tx_buf_write->packet.channels); i++) {
- tx_buf_write->packet.channels[i] = (k < 9) ? (1<<k) : 0xff;
- }
- for (size_t i=0; i<COUNT_OF(tx_buf_write->packet.brightness); i++) {
- tx_buf_write->packet.brightness[i] = 0xff; //(n<<4) | n;
+ for (size_t i=0; i<16; i++) {
+ int brightness = hex_to_int(&rxbuf[DRIVER_ADDR*16*3 + i*3], 1);
+ int channels = hex_to_int(&rxbuf[DRIVER_ADDR*16*3 + i*3 + 1], 2);
+
+ tx_buf_write->packet.channels[i] = channels;
+
+ if ((i&1) == 0) {
+ tx_buf_write->packet.brightness[i>>1] = brightness;
+ } else {
+ tx_buf_write->packet.brightness[i>>1] |= brightness<<4;
+ }
+ }
+ rxp = 0;
+ ping_ctr = 1000000;
+ update_tx_buf();
+
+ } else {
+ if (rxp <= sizeof(rxbuf)) {
+ rxbuf[rxp] = USART1->RDR;
+ rxp ++;
+ }
}
- update_tx_buf();
}
}
}